| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | namespace Graze\Morphism\Parse; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | use LogicException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use RuntimeException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * Represents the definition of an index. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | class IndexDefinition | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     /** @var string|null */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     public $constraint = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     /** @var string */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     public $type = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** @var string|null */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     public $name = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * @var array[] the columns which are indexed. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      * Each entry is an array of the form: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * 'name'   => string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * 'length' => int|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * 'sort'   => 'ASC'|'DESC' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     public $columns = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     /** @var mixed[] Associative array of index options | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * 'USING'          => string 'BTREE' | 'HASH' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * 'KEY_BLOCK_SIZE' => integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * 'WITH PARSER'    => string; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * 'COMMENT'        => string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     public $options = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * @var string[] Only present for FOREIGN KEYS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * 'table'     => string name of foreign table | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * 'columns'   => array('name' => string, 'length' => int|null)[] columns referenced in foreign table | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * 'ON DELETE' => string 'RESTRICT' | 'CASCADE' | 'SET NULL' | 'NO ACTION' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * 'ON UPDATE' => string 'RESTRICT' | 'CASCADE' | 'SET NULL' | 'NO ACTION' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     public $reference = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * Parses an index definition from $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * The type of key (PRIMARY KEY, UNIQUE KEY, etc) should already have | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * been parsed from the stream. If the optional preceding CONSTRAINT clause | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      * was parsed, you should supply its optional name in $constraint. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * @param string $type 'PRIMARY KEY' | 'UNIQUE KEY' | 'KEY' | 'FULLTEXT KEY' | 'FOREIGN KEY' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * @param string|null $constraint name supplied in optional CONSTRAINT clause | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 82 |  |     public function parse(TokenStream $stream, $type, $constraint = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 82 |  |         $this->type = $type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         switch ($type) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 82 |  |             case 'PRIMARY KEY': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 12 |  |                 $this->parseOptionalIndexType($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 | 12 |  |                 $this->parseIndexColumns($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 12 |  |                 $this->parseIndexOptions($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 12 |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 71 |  |             case 'UNIQUE KEY': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 71 |  |             case 'KEY': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 71 |  |             case 'FULLTEXT KEY': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 53 |  |                 $this->parseOptionalIndexType($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 52 |  |                 if (!isset($this->options['USING'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 51 |  |                     $this->parseOptionalIndexName($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 51 |  |                     $this->parseOptionalIndexType($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 | 51 |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 | 52 |  |                 if (!is_null($constraint)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 2 |  |                     $this->name = $constraint; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 2 |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 52 |  |                 $this->parseIndexColumns($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 52 |  |                 $this->parseIndexOptions($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 52 |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 | 23 |  |             case 'FOREIGN KEY': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 22 |  |                 $this->constraint = $constraint; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 22 |  |                 $this->parseOptionalIndexName($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 22 |  |                 $this->parseIndexColumns($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 22 |  |                 $this->parseReferenceDefinition($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 20 |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 1 |  |             default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 | 1 |  |                 throw new LogicException("Internal error - unknown index type '$type'"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 1 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 78 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 68 |  |     private function parseOptionalIndexName(TokenStream $stream) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 68 |  |         $mark = $stream->getMark(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 68 |  |         $token = $stream->nextToken(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 68 |  |         if ($token->type === 'identifier') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 | 11 |  |             $this->name = $token->text; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 11 |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 62 |  |             $stream->rewind($mark); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 | 68 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 | 64 |  |     private function parseOptionalIndexType(TokenStream $stream) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 64 |  |         if ($stream->consume('USING')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 | 3 |  |             $this->parseIndexType($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 2 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 63 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 6 |  |     private function parseIndexType(TokenStream $stream) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 6 |  |         if ($stream->consume('BTREE')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 4 |  |             $using = 'BTREE'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 6 |  |         } elseif ($stream->consume('HASH')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 1 |  |             $using = 'HASH'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 1 |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 1 |  |             throw new RuntimeException("Expected BTREE or HASH"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 5 |  |         $this->options['USING'] = $using; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 5 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 80 |  |     private function parseIndexColumns(TokenStream $stream) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 80 |  |         $this->columns = $this->expectIndexColumns($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 | 80 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 80 |  |     private function expectIndexColumns(TokenStream $stream) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 80 |  |         $columns = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 | 80 |  |         $stream->expect('symbol', '('); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 | 80 |  |         while (true) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |             $column = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 | 80 |  |                 'name'   => $stream->expectName(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 80 |  |                 'length' => null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 | 80 |  |                 'sort'   => 'ASC', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 | 80 |  |             ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 80 |  |             if ($stream->consume([['symbol', '(']])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 | 5 |  |                 $column['length'] = $stream->expectNumber(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 5 |  |                 $stream->expect('symbol', ')'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 5 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 80 |  |             if ($stream->consume('ASC')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 1 |  |                 $column['sort'] = 'ASC'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 | 80 |  |             } elseif ($stream->consume('DESC')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 | 1 |  |                 $column['sort'] = 'DESC'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 1 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 | 80 |  |             $columns[] = $column; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 80 |  |             if (!$stream->consume([['symbol', ',']])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 | 80 |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 14 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 80 |  |         $stream->expect('symbol', ')'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 | 80 |  |         return $columns; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 183 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 184 | 63 |  |     private function parseIndexOptions(TokenStream $stream) | 
            
                                                                        
                            
            
                                    
            
            
                | 185 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 186 | 63 |  |         while (true) { | 
            
                                                                        
                            
            
                                    
            
            
                | 187 | 63 |  |             if ($stream->consume('KEY_BLOCK_SIZE')) { | 
            
                                                                        
                            
            
                                    
            
            
                | 188 | 4 |  |                 $stream->consume([['symbol', '=']]); | 
            
                                                                        
                            
            
                                    
            
            
                | 189 | 4 |  |                 $this->options['KEY_BLOCK_SIZE'] = $stream->expectNumber(); | 
            
                                                                        
                            
            
                                    
            
            
                | 190 | 63 |  |             } elseif ($stream->consume('WITH PARSER')) { | 
            
                                                                        
                            
            
                                    
            
            
                | 191 | 1 |  |                 $this->options['WITH PARSER'] = $stream->expectName(); | 
            
                                                                        
                            
            
                                    
            
            
                | 192 | 63 |  |             } elseif ($stream->consume('COMMENT')) { | 
            
                                                                        
                            
            
                                    
            
            
                | 193 | 3 |  |                 $this->options['COMMENT'] = $stream->expectString(); | 
            
                                                                        
                            
            
                                    
            
            
                | 194 | 63 |  |             } elseif ($stream->consume('USING')) { | 
            
                                                                        
                            
            
                                    
            
            
                | 195 | 3 |  |                 $this->parseIndexType($stream); | 
            
                                                                        
                            
            
                                    
            
            
                | 196 | 3 |  |             } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 197 | 63 |  |                 break; | 
            
                                                                        
                            
            
                                    
            
            
                | 198 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 199 | 9 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 200 | 63 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 | 22 |  |     private function parseReferenceDefinition(TokenStream $stream) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 22 |  |         $stream->expect('identifier', 'REFERENCES'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 | 22 |  |         $tableOrSchema = $stream->expectName(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 | 22 |  |         if ($stream->consume([['symbol', '.']])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 | 1 |  |             $schema = $tableOrSchema; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 | 1 |  |             $table = $stream->expectName(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 | 1 |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 | 21 |  |             $schema = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 | 21 |  |             $table = $tableOrSchema; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 | 22 |  |         $this->reference['schema'] = $schema; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 22 |  |         $this->reference['table'] = $table; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 | 22 |  |         $this->reference['columns'] = $this->expectIndexColumns($stream); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 | 22 |  |         $this->reference['ON DELETE'] = 'RESTRICT'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 | 22 |  |         $this->reference['ON UPDATE'] = 'RESTRICT'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 | 22 |  |         while (true) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 | 22 |  |             if ($stream->consume('MATCH')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 | 1 |  |                 throw new RuntimeException("MATCH clause is not supported in this tool, or in MySQL itself!"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 | 21 |  |             } elseif ($stream->consume('ON DELETE')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 | 5 |  |                 $this->parseReferenceOption($stream, 'ON DELETE'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 | 21 |  |             } elseif ($stream->consume('ON UPDATE')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 | 6 |  |                 $this->parseReferenceOption($stream, 'ON UPDATE'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 5 |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 | 20 |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 | 9 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 | 20 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |      * @param TokenStream $stream | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |      * @param string $clause | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 | 10 |  |     private function parseReferenceOption(TokenStream $stream, $clause) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 | 10 |  |         $availableOptions = ['RESTRICT', 'CASCADE', 'SET NULL', 'NO ACTION']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 | 10 |  |         foreach ($availableOptions as $option) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 | 10 |  |             if ($stream->consume($option)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 | 9 |  |                 $this->reference[$clause] = $option; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 | 9 |  |                 return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 | 8 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 | 1 |  |         throw new RuntimeException("Expected one of: " . implode(", ", $availableOptions)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |      * Returns an array of all sequences of columns covered by this index. Includes optional lengths. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |      * E.g. the index ```KEY idx (x,y(12),z)``` will give ```[['x', 'y(12)', 'z'], ['x', 'y(12)'], ['x']]```. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |      * @return string[][] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 | 38 |  |     public function getCovers() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |         // TODO - we should really have separate IndexPart objects so we can | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |         // correctly cope with pathological cases like: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |         // | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |         //      CREATE TABLE evil ( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |         //          `bad(16)` varchar(32) not null, | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |         //          KEY (`bad(16)`(8)) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |         //      ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |         // | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 | 38 |  |         $covers = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 | 38 |  |         $cover = []; | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 272 | 38 | View Code Duplication |         foreach ($this->columns as $column) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 | 38 |  |             $name = $column['name']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 | 38 |  |             if ($column['length']) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 | 1 |  |                 $name .= '(' . $column['length'] . ')'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 | 1 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 | 38 |  |             $cover[] = $name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 | 38 |  |             $covers[] = $cover; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 | 38 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 | 38 |  |         return $covers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |      * Returns the sequence of indexed columns, including optional lengths. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |      * E.g. the index ```KEY idx (x, y(12))``` will give ```['x', 'y(12)']``` | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |      * @return string[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 | 12 |  |     public function getColumns() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 | 12 |  |         $columns = []; | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 293 | 12 | View Code Duplication |         foreach ($this->columns as $column) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 | 12 |  |             $name = $column['name']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 | 12 |  |             if ($column['length']) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 | 1 |  |                 $name .= '(' . $column['length'] . ')'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 | 1 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 | 12 |  |             $columns[] = $name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 | 12 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 | 12 |  |         return $columns; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |      * Returns an SQL fragment for declaring this index as part of a table definition. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 | 71 |  |     public function toString() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 | 71 |  |         $line = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 | 71 |  |         if ($this->type === 'FOREIGN KEY') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 | 20 |  |             $line = "CONSTRAINT " . Token::escapeIdentifier($this->constraint) . " "; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 | 20 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 | 71 |  |         $line .= $this->type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 | 71 |  |         if (!in_array($this->type, ['PRIMARY KEY', 'FOREIGN KEY'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 | 44 |  |             $line .= " " . Token::escapeIdentifier($this->name); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 | 44 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 | 71 |  |         $cols = []; | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 319 | 71 | View Code Duplication |         foreach ($this->columns as $column) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 | 71 |  |             $col = Token::escapeIdentifier($column['name']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 | 71 |  |             if (!is_null($column['length'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 | 2 |  |                 $col .= "(" . $column['length'] . ")"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 | 2 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 | 71 |  |             $cols[] = $col; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 | 71 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 | 71 |  |         $line .= " (" . implode(',', $cols) . ")"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 | 71 |  |         if (isset($this->options['USING'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 | 5 |  |             $line .= " USING " . $this->options['USING']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 | 5 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 | 71 |  |         if (isset($this->options['KEY_BLOCK_SIZE']) && $this->options['KEY_BLOCK_SIZE'] !== 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 | 3 |  |             $line .= " KEY_BLOCK_SIZE=" . $this->options['KEY_BLOCK_SIZE']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 | 3 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 | 71 |  |         if (isset($this->options['COMMENT']) && $this->options['COMMENT'] !== '') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 | 2 |  |             $line .= " COMMENT " . Token::escapeString($this->options['COMMENT']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 | 2 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 | 71 |  |         if (isset($this->options['WITH PARSER'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 | 1 |  |             $line .= " WITH PARSER " . $this->options['WITH PARSER']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 | 1 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 | 71 |  |         if ($this->type === 'FOREIGN KEY') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 | 20 |  |             $reference = Token::escapeIdentifier($this->reference['table']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 | 20 |  |             if (!is_null($this->reference['schema'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 | 1 |  |                 $reference = Token::escapeIdentifier($this->reference['schema']) . '.' . $reference; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 | 1 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 | 20 |  |             $line .= " REFERENCES $reference"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 | 20 |  |             $cols = []; | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 348 | 20 | View Code Duplication |             foreach ($this->reference['columns'] as $column) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 | 20 |  |                 $col = Token::escapeIdentifier($column['name']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 | 20 |  |                 if (!is_null($column['length'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 | 1 |  |                     $col .= "(" . $column['length'] . ")"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 | 1 |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 | 20 |  |                 $cols[] = $col; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 | 20 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 | 20 |  |             $line .= " (" . implode(',', $cols) . ")"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 | 20 |  |             foreach (['ON DELETE', 'ON UPDATE'] as $clause) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 | 20 |  |                 $action = $this->reference[$clause]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 | 20 |  |                 if ($action !== 'RESTRICT') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 | 7 |  |                     $line .= " $clause $action"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 | 7 |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 | 20 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 | 20 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 | 71 |  |         return $line; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 365 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 366 |  |  |  |