| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Created by PhpStorm. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * User: admin | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Date: 21.01.2018 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Time: 14:35 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | namespace sonrac\Arango\Query\Grammars; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Illuminate\Database\Query\Builder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Illuminate\Database\Query\Grammars\Grammar as IlluminateGrammar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use function sonrac\Arango\Helpers\getEntityName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use function sonrac\Arango\Helpers\getEntityNameFromColumn; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | class Grammar extends IlluminateGrammar | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      * The components that make up a select clause. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     protected $selectComponents = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |         'aggregate', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |         'from', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         'joins', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |         'wheres', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |         'groups', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         'havings', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         'orders', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         'limit', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         'offset', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         'columns', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         'unions', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         'lock', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     public function compileInsertGetId(Builder $query, $values, $sequence) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         return $this->compileInsert($query, $values) . ' RETURN NEW'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     public function compileInsert(Builder $query, array $values) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         // Essentially we will force every insert to be treated as a batch insert which | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         // simply makes creating the SQL easier for us since we can utilize the same | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         // basic routine regardless of an amount of records given to us to insert. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         $collection = $this->wrapTable($query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         $entityName = getEntityName($query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         if (! is_array(reset($values))) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             $values = [$values]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         $columns = array_keys(reset($values)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         $parameters = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         foreach ($values as $record) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |             $bindValuesTmp = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |             foreach ($columns as $column) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |                 if (!isset($record[$column])) continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |                 $bindValuesTmp[$column] = $record[$column]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |             $parameters[] =  $bindValuesTmp; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         $parameters = json_encode($parameters); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         $parameters = preg_replace('/"(\@B\w+)"/', '$1', $parameters); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         $aql =  "FOR ".$entityName." IN ".$parameters." INSERT ".$entityName." INTO ".$collection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |         //var_dump($aql); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         return $aql; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * Prepare column before use in AQL request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * Add entityName and wrap it if needed. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * Add alias for string like (column as other_name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * @param $collection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @param $column | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * @param bool $withCollection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     public function wrapColumn($column, $collection = null, $withCollection = true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         $entityName = getEntityNameFromColumn($column); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |         $clearColumn = $this->getClearColumnName($column); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         $alias = $this->getAliasNameFromColumn($column); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         if (is_null($entityName) && !is_null($collection)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |             $entityName =  getEntityName($collection); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         if ($clearColumn !== '_key') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |             $clearColumn = trim($clearColumn, '`'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |             $clearColumn = '`'.$clearColumn.'`'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         if ($withCollection) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |             $column = $entityName.'.'.$clearColumn; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         if ($alias) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 113 |  |  |             $column = $alias.':'.$column; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         return $column; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |      * Return collection name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     public function wrapTable($table) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         return $this->wrapCollection($table); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     public function columnize(array $columns) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |         $resultColumns = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         foreach ($columns as $column) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |             if (strpos($column, ':') !== false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |                 $resultColumns[] = $column; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |                 continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |             list($entityName, $column) = explode(".", $column); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |             if ($column === '`*`') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |                 $resultColumns[] = $entityName . ': '.$entityName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |                 continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |             $resultColumns[] =  $column . ': ' . $entityName.'.'.$column; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         return implode(',', $resultColumns); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |     public function compileUpdate(Builder $query, $values) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |         $table = $this->wrapTable($query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |         // Each one of the columns in the update statements needs to be wrapped in the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         // keyword identifiers, also a place-holder needs to be created for each of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |         // the values in the list of bindings so we can make the sets statements. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         $columns = collect($values)->map(function ($value, $key) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |             return $key.' : '.$value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |         })->implode(', '); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |         $joins = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |         if (isset($query->joins)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |             $joins = $this->compileJoins($query, $query->joins).' '; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         // Of course, update queries may also be constrained by where clauses so we'll | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |         // need to compile the where clauses and attach it to the query so only the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         // intended records are updated by the SQL statements we generate to run. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |         $wheres = $this->compileWheres($query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |         $entityName = getEntityName($table); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         $aql = $joins."FOR ".$entityName." IN ".$table." ".$wheres. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |             " UPDATE ".$entityName." WITH { ".$columns." } IN ".$table; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         var_dump($aql); | 
                            
                    |  |  |  | 
                                                                                        
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                | 180 |  |  |         return $aql; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |     public function compileDelete(Builder $query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         $wheres = is_array($query->wheres) ? $this->compileWheres($query) : ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |         $collection = $this->wrapTable($query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |         $entityName = getEntityName($collection); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |         $aql = "FOR {$entityName} in {$collection} {$wheres} REMOVE {$entityName} IN {$collection}"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |         var_dump($aql); | 
                            
                    |  |  |  | 
                                                                                        
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                | 194 |  |  |         return $aql; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 199 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 200 |  |  |     public function compileSelect(Builder $query) | 
            
                                                                        
                            
            
                                    
            
            
                | 201 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 202 |  |  |         // If the query does not have any columns set, we'll set the columns to the | 
            
                                                                        
                            
            
                                    
            
            
                | 203 |  |  |         // * character to just get all of the columns from the database. Then we | 
            
                                                                        
                            
            
                                    
            
            
                | 204 |  |  |         // can build the query and concatenate all the pieces together as one. | 
            
                                                                        
                            
            
                                    
            
            
                | 205 |  |  |         $original = $query->columns; | 
            
                                                                        
                            
            
                                    
            
            
                | 206 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 207 |  |  |         if (is_null($query->columns)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 208 |  |  |             $query->columns = ['*']; | 
            
                                                                        
                            
            
                                    
            
            
                | 209 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 210 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 211 |  |  |         // To compile the query, we'll spin through each component of the query and | 
            
                                                                        
                            
            
                                    
            
            
                | 212 |  |  |         // see if that component exists. If it does we'll just call the compiler | 
            
                                                                        
                            
            
                                    
            
            
                | 213 |  |  |         // function for the component which is responsible for making the AQL. | 
            
                                                                        
                            
            
                                    
            
            
                | 214 |  |  |         $aql = trim($this->concatenate( | 
            
                                                                        
                            
            
                                    
            
            
                | 215 |  |  |             $this->compileComponents($query)) | 
            
                                                                        
                            
            
                                    
            
            
                | 216 |  |  |         ); | 
            
                                                                        
                            
            
                                    
            
            
                | 217 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 218 |  |  |         if (isset($query->joins)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 219 |  |  |             $aql = $this->compileJoins($query, $query->joins).' '.$aql; | 
            
                                                                        
                            
            
                                    
            
            
                | 220 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 222 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 223 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 224 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 225 |  |  |         if (!is_null($query->aggregate)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 226 |  |  |             $aql = $this->compileAggregateExtended($query, $query->aggregate, $aql); | 
            
                                                                        
                            
            
                                    
            
            
                | 227 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 228 |  |  |         $query->columns = $original; | 
            
                                                                        
                            
            
                                    
            
            
                | 229 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 230 |  |  |         return $aql; | 
            
                                                                        
                            
            
                                    
            
            
                | 231 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |     protected function compileJoins(Builder $query, $joins) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |         return collect($joins)->map(function ($join) use(&$aql) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |             $table = $this->wrapTable($join->table); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |             $entityName = getEntityName($join->table); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |             return 'FOR '.$entityName.' IN '.$table; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |         })->implode(' '); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |     protected function compileComponents(Builder $query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |         $aql = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |         foreach ($this->selectComponents as $component) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |             // To compile the query, we'll spin through each component of the query and | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |             // see if that component exists. If it does we'll just call the compiler | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |             // function for the component which is responsible for making the SQL. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |             if (! is_null($query->$component)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |                 if ($component === 'aggregate' || | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |                    $component === 'joins') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |                     continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |                 $method = 'compile'.ucfirst($component); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |                 $aql[$component] = $this->$method($query, $query->$component); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |         return $aql; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |     protected function compileFrom(Builder $query, $collection) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |         return 'FOR '.getEntityName($collection).' IN '.$this->wrapCollection($collection); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |     protected function compileColumns(Builder $query, $columns) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |         if (count($columns) === 1 && $columns[0] === "*") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |             return 'RETURN '.getEntityName($query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |         return "RETURN { " . $this->columnize($columns) . " }"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |      * Return string for aggregate some column from AQL request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |      * @param Builder $query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |      * @param $aggregate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |      * @param $aql | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |     protected function compileAggregateExtended(Builder $query, $aggregate, $aql) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |         return "RETURN {\"aggregate\":".$aggregate['function']."(".$aql.")}"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |     protected function compileWheres(Builder $query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |         // Each type of where clauses has its own compiler function which is responsible | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |         // for actually creating the where clauses SQL. This helps keep the code nice | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |         // and maintainable since each clause has a very small method that it uses. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |         if (is_null($query->wheres)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |             return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |         // If we actually have some where clauses, we will strip off the first boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |         // operator, which is added by the query builders for convenience so we can | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |         // avoid checking for the first clauses in each of the compilers methods. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |         if (count($sql = $this->compileWheresToArray($query)) > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |             return $this->concatenateWhereClauses($query, $sql); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  |         return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |     protected function concatenateWhereClauses($query, $sql) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |         return 'FILTER '.$this->removeLeadingBoolean(implode(' ', $sql)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  |     protected function compileWheresToArray($query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |         return collect($query->wheres)->map(function ($where) use ($query) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  |             return $where['boolean'].' '.$this->{"where{$where['type']}"}($query, $where); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  |         })->all(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  |     protected function whereBasic(Builder $query, $where) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  |         return $where['column'].' '.$where['operator'].' '.$where['value']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 356 |  | View Code Duplication |     protected function whereIn(Builder $query, $where) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  |         if (! empty($where['values'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  |             $column = $this->wrapColumn($where['column'], $query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  |             return '['.implode(",", $where['values']).'] ANY == '.$column; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |         return '0 = 1'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 369 |  | View Code Duplication |     protected function whereNotIn(Builder $query, $where) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  |         if (! empty($where['values'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  |             $column = $this->wrapColumn($where['table'],$where['column']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 |  |  |             return '['.implode(",", $where['values']).'] NONE == '.$column; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 |  |  |         return '0 = 1'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 |  |  |     protected function whereNull(Builder $query, $where) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 384 |  |  |         return $this->wrapColumn($where['column'], $query->from).' == NULL'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 385 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 386 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 387 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 388 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 389 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 390 |  |  |     protected function whereNotNull(Builder $query, $where) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 391 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 392 |  |  |         return $this->wrapColumn($where['column'], $query->from).' != NULL'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 393 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 394 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 395 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 396 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 397 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 398 |  |  |     protected function whereColumn(Builder $query, $where) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 399 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 400 |  |  |         $firstWrapColumn = $this->wrapColumn($where['first'], $query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 401 |  |  |         $secondWrapColumn = $this->wrapColumn($where['second'], $query->from); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 402 |  |  |         return $firstWrapColumn.' '.$where['operator'].' '.$secondWrapColumn; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 403 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 404 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 405 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 406 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 407 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 408 |  |  |     protected function compileOrders(Builder $query, $orders) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 409 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 410 |  |  |         if (! empty($orders)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 411 |  |  |             return 'SORT '.implode(', ', $this->compileOrdersToArray($query, $orders)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 412 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 413 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 414 |  |  |         return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 415 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 416 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 417 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 418 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 419 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 420 |  |  |     protected function compileOrdersToArray(Builder $query, $orders) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 421 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 422 |  |  |         return array_map(function ($order) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 423 |  |  |             return ! isset($order['sql']) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 424 |  |  |                 ? $order['column'].' '.$order['direction'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 425 |  |  |                 : $order['sql']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 426 |  |  |         }, $orders); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 427 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 428 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 429 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 430 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 431 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 432 |  |  |     protected function compileLimit(Builder $query, $limit) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 433 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 434 |  |  |         $result = 'LIMIT '; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 435 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 436 |  |  |         if (isset($query->offset)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 437 |  |  |             $result .= (int)$query->offset.', '; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 438 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 439 |  |  |         $result .= (int)$limit; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 440 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 441 |  |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 442 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 443 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 444 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 445 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 446 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 447 |  |  |     protected function compileOffset(Builder $query, $offset) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 448 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 449 |  |  |         if (!isset($query->limit)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 450 |  |  |             throw new \Exception("You can't set offset without limit for arangodb"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 451 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 452 |  |  |         return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 453 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 454 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 455 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 456 |  |  |      * Wrap collection name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 457 |  |  |      * @param string $collection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 458 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 459 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 460 |  |  |     protected function wrapCollection($collection) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 461 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 462 |  |  |         return "`".trim($collection,'`')."`"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 463 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 464 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 465 |  |  |     protected function getClearColumnName($column) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 466 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 467 |  |  |         $parts = explode('.', $column); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 468 |  |  |         if (count($parts) > 1) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 469 |  |  |             $column = $parts[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 470 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 471 |  |  |         $column = explode('as', $column)[0]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 472 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 473 |  |  |         return trim($column, '` '); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 474 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 475 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 476 |  |  |     protected function getAliasNameFromColumn($column) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 477 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 478 |  |  |         $parts = explode('as', $column); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 479 |  |  |         if (count($parts) < 2) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 480 |  |  |             return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 481 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 482 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 483 |  |  |         return '`'.trim($parts[1], '` ').'`'; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 484 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 485 |  |  | } | 
            
                        
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: