HuasoFoundries /
phpPgAdmin6
| Total Complexity | 90 |
| Total Lines | 673 |
| Duplicated Lines | 0 % |
| Changes | 2 | ||
| Bugs | 1 | Features | 0 |
Complex classes like ADOdbBase often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use ADOdbBase, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 15 | class ADOdbBase |
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| 16 | { |
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| 17 | use \PHPPgAdmin\Traits\HelperTrait; |
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| 18 | use \PHPPgAdmin\Database\Traits\HasTrait; |
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| 19 | use \PHPPgAdmin\Database\Traits\DatabaseTrait; |
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| 20 | |||
| 21 | /** |
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| 22 | * @var array |
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| 23 | */ |
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| 24 | public $lang; |
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| 25 | |||
| 26 | /** |
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| 27 | * @var array |
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| 28 | */ |
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| 29 | public $conf; |
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| 30 | |||
| 31 | /** |
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| 32 | * @var \ADODB_postgres9 |
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| 33 | */ |
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| 34 | public $conn; |
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| 35 | |||
| 36 | /** |
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| 37 | * @var \PHPPgAdmin\ContainerUtils |
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| 38 | */ |
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| 39 | protected $container; |
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| 40 | |||
| 41 | /** |
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| 42 | * @var array |
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| 43 | */ |
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| 44 | protected $server_info; |
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| 45 | |||
| 46 | /** |
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| 47 | * @var string |
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| 48 | */ |
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| 49 | protected $lastExecutedSql; |
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| 50 | |||
| 51 | /** |
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| 52 | * Base constructor. |
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| 53 | * |
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| 54 | * @param \ADODB_postgres9 $conn The connection object |
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| 55 | * @param mixed $container |
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| 56 | * @param mixed $server_info |
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| 57 | */ |
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| 58 | public function __construct(&$conn, $container, $server_info) |
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| 59 | { |
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| 60 | $this->container = $container; |
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| 61 | $this->server_info = $server_info; |
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| 62 | |||
| 63 | $this->lang = $container->get('lang'); |
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| 64 | $this->conf = $container->get('conf'); |
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| 65 | |||
| 66 | $this->prtrace('instanced connection class'); |
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| 67 | $this->lastExecutedSql = ''; |
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| 68 | $this->conn = $conn; |
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| 69 | } |
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| 70 | |||
| 71 | /** |
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| 72 | * Given an array of attnums and a relation, returns an array mapping |
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| 73 | * attribute number to attribute name. |
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| 74 | * |
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| 75 | * @param string $table The table to get attributes for |
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| 76 | * @param array $atts An array of attribute numbers |
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| 77 | * |
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| 78 | * @return array|int An array mapping attnum to attname or error code |
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| 79 | * - -1 $atts must be an array |
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| 80 | * - -2 wrong number of attributes found |
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| 81 | */ |
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| 82 | public function getAttributeNames($table, $atts) |
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| 116 | } |
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| 117 | |||
| 118 | /** |
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| 119 | * Sets the comment for an object in the database. |
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| 120 | * |
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| 121 | * @pre All parameters must already be cleaned |
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| 122 | * |
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| 123 | * @param string $obj_type One of 'TABLE' | 'COLUMN' | 'VIEW' | 'SCHEMA' | 'SEQUENCE' | 'TYPE' | 'FUNCTION' | 'AGGREGATE' |
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| 124 | * @param string $obj_name the name of the object for which to attach a comment |
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| 125 | * @param string $table Name of table that $obj_name belongs to. Ignored unless $obj_type is 'TABLE' or 'COLUMN'. |
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| 126 | * @param string $comment the comment to add |
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| 127 | * @param null|string $basetype |
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| 128 | * |
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| 129 | * @return int|\PHPPgAdmin\ADORecordSet recordset of results or error code |
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| 130 | */ |
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| 131 | public function setComment($obj_type, $obj_name, $table, $comment, $basetype = null) |
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| 132 | { |
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| 133 | $sql = "COMMENT ON {$obj_type} "; |
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| 134 | |||
| 135 | $f_schema = $this->_schema; |
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| 136 | $this->fieldClean($f_schema); |
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| 137 | $this->clean($comment); // Passing in an already cleaned comment will lead to double escaped data |
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| 138 | // So, while counter-intuitive, it is important to not clean comments before |
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| 139 | // calling setComment. We will clean it here instead. |
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| 140 | /* |
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| 141 | * $this->fieldClean($table); |
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| 142 | * $this->fieldClean($obj_name); |
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| 143 | */ |
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| 144 | |||
| 145 | switch ($obj_type) { |
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| 146 | case 'TABLE': |
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| 147 | $sql .= "\"{$f_schema}\".\"{$table}\" IS "; |
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| 148 | |||
| 149 | break; |
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| 150 | case 'COLUMN': |
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| 151 | $sql .= "\"{$f_schema}\".\"{$table}\".\"{$obj_name}\" IS "; |
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| 152 | |||
| 153 | break; |
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| 154 | case 'SEQUENCE': |
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| 155 | case 'VIEW': |
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| 156 | case 'MATERIALIZED VIEW': |
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| 157 | case 'TEXT SEARCH CONFIGURATION': |
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| 158 | case 'TEXT SEARCH DICTIONARY': |
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| 159 | case 'TEXT SEARCH TEMPLATE': |
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| 160 | case 'TEXT SEARCH PARSER': |
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| 161 | case 'TYPE': |
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| 162 | $sql .= "\"{$f_schema}\"."; |
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| 163 | // no break |
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| 164 | case 'DATABASE': |
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| 165 | case 'ROLE': |
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| 166 | case 'SCHEMA': |
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| 167 | case 'TABLESPACE': |
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| 168 | $sql .= "\"{$obj_name}\" IS "; |
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| 169 | |||
| 170 | break; |
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| 171 | case 'FUNCTION': |
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| 172 | $sql .= "\"{$f_schema}\".{$obj_name} IS "; |
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| 173 | |||
| 174 | break; |
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| 175 | case 'AGGREGATE': |
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| 176 | $sql .= "\"{$f_schema}\".\"{$obj_name}\" (\"{$basetype}\") IS "; |
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| 177 | |||
| 178 | break; |
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| 179 | |||
| 180 | default: |
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| 181 | // Unknown object type |
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| 182 | return -1; |
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| 183 | } |
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| 184 | |||
| 185 | if ('' !== $comment) { |
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| 186 | $sql .= "'{$comment}';"; |
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| 187 | } else { |
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| 188 | $sql .= 'NULL;'; |
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| 189 | } |
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| 190 | $this->lastExecutedSql = $sql; |
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| 191 | |||
| 192 | return $this->execute($sql); |
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| 193 | } |
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| 194 | |||
| 195 | public function getLastExecutedSQL(): string |
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| 196 | { |
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| 197 | $lastExecutedSql = $this->lastExecutedSql; |
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| 198 | $this->lastExecutedSql = ''; |
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| 199 | |||
| 200 | return $lastExecutedSql; |
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| 201 | } |
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| 202 | |||
| 203 | /** |
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| 204 | * Turns on or off query debugging. |
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| 205 | * |
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| 206 | * @param bool $debug True to turn on debugging, false otherwise |
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| 207 | */ |
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| 208 | public function setDebug($debug): void |
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| 209 | { |
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| 210 | $this->conn->debug = $debug; |
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| 211 | } |
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| 212 | |||
| 213 | /** |
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| 214 | * Cleans (escapes) an array of field names. |
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| 215 | * |
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| 216 | * @param array $arr The array to clean, by reference |
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| 217 | * |
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| 218 | * @return array The cleaned array |
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| 219 | */ |
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| 220 | public function fieldArrayClean(&$arr) |
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| 221 | { |
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| 222 | foreach ($arr as $k => $v) { |
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| 223 | if (null === $v) { |
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| 224 | continue; |
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| 225 | } |
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| 226 | |||
| 227 | $arr[$k] = \str_replace('"', '""', $v); |
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| 228 | } |
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| 229 | |||
| 230 | return $arr; |
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| 231 | } |
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| 232 | |||
| 233 | /** |
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| 234 | * Cleans (escapes) an array. |
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| 235 | * |
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| 236 | * @param array $arr The array to clean, by reference |
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| 237 | * |
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| 238 | * @return array The cleaned array |
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| 239 | */ |
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| 240 | public function arrayClean(&$arr) |
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| 241 | { |
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| 242 | foreach ($arr as $k => $v) { |
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| 243 | if (null === $v) { |
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| 244 | continue; |
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| 245 | } |
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| 246 | $arr[$k] = \pg_escape_string($v); |
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| 247 | } |
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| 248 | |||
| 249 | return $arr; |
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| 250 | } |
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| 251 | |||
| 252 | /** |
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| 253 | * Executes a query on the underlying connection. |
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| 254 | * |
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| 255 | * @param string $sql The SQL query to execute |
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| 256 | * |
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| 257 | * @return int|\PHPPgAdmin\ADORecordSet A recordset or an error code |
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| 258 | */ |
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| 259 | public function execute($sql) |
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| 260 | { |
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| 261 | // Execute the statement |
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| 262 | try { |
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| 263 | $rs = $this->conn->Execute($sql); |
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|
Bug
introduced
by
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| 264 | |||
| 265 | return $this->ErrorNo(); |
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| 266 | } catch (\Exception $e) { |
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| 267 | return $e->getCode(); |
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| 268 | } |
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| 269 | } |
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| 270 | |||
| 271 | /** |
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| 272 | * Closes the connection the database class |
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| 273 | * relies on. |
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| 274 | */ |
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| 275 | public function close(): void |
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| 276 | { |
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| 277 | $this->conn->close(); |
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| 278 | } |
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| 279 | |||
| 280 | /** |
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| 281 | * Retrieves a ResultSet from a query. |
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| 282 | * |
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| 283 | * @param string $sql The SQL statement to be executed |
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| 284 | * |
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| 285 | * @return int|\PHPPgAdmin\ADORecordSet A recordset or an error number |
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| 286 | */ |
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| 287 | public function selectSet($sql) |
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| 288 | { |
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| 289 | // Execute the statement |
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| 290 | try { |
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| 291 | return $this->conn->Execute($sql); |
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| 292 | } catch (\Exception $e) { |
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| 293 | return $e->getCode(); |
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| 294 | } |
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| 295 | } |
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| 296 | |||
| 297 | public function ErrorNo(): int |
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| 298 | { |
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| 299 | return $this->conn->ErrorNo(); |
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| 300 | } |
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| 301 | |||
| 302 | public function ErrorMsg(): string |
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| 303 | { |
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| 304 | return $this->conn->ErrorMsg(); |
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| 305 | } |
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| 306 | |||
| 307 | /** |
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| 308 | * Retrieves a single value from a query. |
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| 309 | * |
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| 310 | * @@ assumes that the query will return only one row - returns field value in the first row |
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| 311 | * |
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| 312 | * @param string $sql The SQL statement to be executed |
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| 313 | * @param string $field The field name to be returned |
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| 314 | * |
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| 315 | * @return int|string single field value, error number on error or -1 if no rows where found |
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| 316 | */ |
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| 317 | public function selectField($sql, $field) |
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| 318 | { |
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| 319 | // Execute the statement |
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| 320 | $rs = $this->conn->Execute($sql); |
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| 321 | |||
| 322 | // If failure, or no rows returned, return error value |
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| 323 | if (!$rs) { |
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| 324 | return $this->ErrorNo(); |
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| 325 | } |
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| 326 | |||
| 327 | if (0 === $rs->recordCount()) { |
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| 328 | return -1; |
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| 329 | } |
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| 330 | |||
| 331 | return $rs->fields[$field]; |
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| 332 | } |
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| 333 | |||
| 334 | /** |
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| 335 | * Delete from the database. |
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| 336 | * |
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| 337 | * @param string $table The name of the table |
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| 338 | * @param array $conditions (array) A map of field names to conditions |
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| 339 | * @param string $schema (optional) The table's schema |
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| 340 | * |
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| 341 | * @return int 0 success |
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| 342 | */ |
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| 343 | public function delete($table, $conditions, $schema = '') |
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| 344 | { |
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| 345 | $this->fieldClean($table); |
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| 346 | |||
| 347 | \reset($conditions); |
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| 348 | |||
| 349 | if (!empty($schema)) { |
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| 350 | $this->fieldClean($schema); |
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| 351 | $schema = "\"{$schema}\"."; |
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| 352 | } |
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| 353 | |||
| 354 | // Build clause |
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| 355 | $sql = ''; |
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| 356 | //while (list($key, $value) = each($conditions)) { |
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| 357 | foreach ($conditions as $key => $value) { |
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| 358 | $this->clean($key); |
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| 359 | $this->clean($value); |
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| 360 | |||
| 361 | if ($sql) { |
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| 362 | $sql .= " AND \"{$key}\"='{$value}'"; |
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| 363 | } else { |
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| 364 | $sql = "DELETE FROM {$schema}\"{$table}\" WHERE \"{$key}\"='{$value}'"; |
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| 365 | } |
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| 366 | } |
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| 367 | |||
| 368 | // Check for failures |
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| 369 | if (!$this->conn->Execute($sql)) { |
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| 370 | // Check for referential integrity failure |
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| 371 | if (\mb_stristr($this->ErrorMsg(), 'referential')) { |
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| 372 | return -1; |
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| 373 | } |
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| 374 | } |
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| 375 | |||
| 376 | // Check for no rows modified |
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| 377 | if (0 === $this->conn->Affected_Rows()) { |
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| 378 | return -2; |
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| 379 | } |
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| 380 | |||
| 381 | return $this->ErrorNo(); |
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| 382 | } |
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| 383 | |||
| 384 | /** |
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| 385 | * Cleans (escapes) an object name (eg. table, field). |
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| 386 | * |
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| 387 | * @param null|string $str The string to clean, by reference |
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| 388 | * |
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| 389 | * @return null|string The cleaned string |
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| 390 | */ |
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| 391 | public function fieldClean(&$str) |
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| 392 | { |
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| 393 | if (null === $str) { |
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| 394 | return null; |
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| 395 | } |
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| 396 | $str = \str_replace('"', '""', $str); |
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| 397 | |||
| 398 | return $str; |
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| 399 | } |
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| 400 | |||
| 401 | /** |
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| 402 | * Cleans (escapes) a string. |
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| 403 | * |
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| 404 | * @param null|string $str The string to clean, by reference |
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| 405 | * |
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| 406 | * @return null|string The cleaned string |
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| 407 | */ |
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| 408 | public function clean(&$str) |
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| 409 | { |
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| 410 | if (null === $str) { |
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| 411 | return null; |
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| 412 | } |
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| 413 | $str = \str_replace("\r\n", "\n", $str); |
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| 414 | $str = \pg_escape_string($str); |
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| 415 | |||
| 416 | return $str; |
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| 417 | } |
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| 418 | |||
| 419 | /** |
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| 420 | * Escapes bytea data for display on the screen. |
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| 421 | * |
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| 422 | * @param string $data The bytea data |
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| 423 | * |
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| 424 | * @return string Data formatted for on-screen display |
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| 425 | */ |
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| 426 | public function escapeBytea($data) |
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| 427 | { |
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| 428 | return \htmlentities($data, \ENT_QUOTES, 'UTF-8'); |
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| 429 | } |
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| 430 | |||
| 431 | /** |
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| 432 | * Insert a set of values into the database. |
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| 433 | * |
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| 434 | * @param string $table The table to insert into |
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| 435 | * @param array $vars (array) A mapping of the field names to the values to be inserted |
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| 436 | * |
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| 437 | * @return int 0 success |
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| 438 | */ |
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| 439 | public function insert($table, $vars) |
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| 440 | { |
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| 441 | $this->fieldClean($table); |
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| 442 | $sql = ''; |
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| 443 | // Build clause |
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| 444 | if (0 < \count($vars)) { |
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| 445 | $fields = ''; |
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| 446 | $values = ''; |
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| 447 | |||
| 448 | foreach ($vars as $key => $value) { |
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| 449 | $this->clean($key); |
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| 450 | $this->clean($value); |
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| 451 | |||
| 452 | if ($fields) { |
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| 453 | $fields .= ", \"{$key}\""; |
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| 454 | } else { |
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| 455 | $fields = "INSERT INTO \"{$table}\" (\"{$key}\""; |
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| 456 | } |
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| 457 | |||
| 458 | if ($values) { |
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| 459 | $values .= ", '{$value}'"; |
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| 460 | } else { |
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| 461 | $values = ") VALUES ('{$value}'"; |
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| 462 | } |
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| 463 | } |
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| 464 | $sql .= $fields . $values . ')'; |
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| 465 | } |
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| 466 | |||
| 467 | // Check for failures |
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| 468 | if (!$this->conn->Execute($sql)) { |
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| 469 | // Check for unique constraint failure |
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| 470 | if (\mb_stristr($this->ErrorMsg(), 'unique')) { |
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| 471 | return -1; |
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| 472 | } |
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| 473 | |||
| 474 | if (\mb_stristr($this->ErrorMsg(), 'referential')) { |
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| 475 | return -2; |
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| 476 | } // Check for referential integrity failure |
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| 477 | } |
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| 478 | |||
| 479 | return $this->ErrorNo(); |
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| 480 | } |
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| 481 | |||
| 482 | /** |
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| 483 | * Update a row in the database. |
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| 484 | * |
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| 485 | * @param string $table The table that is to be updated |
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| 486 | * @param array $vars (array) A mapping of the field names to the values to be updated |
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| 487 | * @param array $where (array) A mapping of field names to values for the where clause |
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| 488 | * @param array $nulls (array, optional) An array of fields to be set null |
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| 489 | * |
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| 490 | * @return int 0 success |
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| 491 | */ |
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| 492 | public function update($table, $vars, $where, $nulls = []) |
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| 493 | { |
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| 494 | $this->fieldClean($table); |
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| 495 | |||
| 496 | $setClause = ''; |
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| 497 | $whereClause = ''; |
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| 498 | |||
| 499 | // Populate the syntax arrays |
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| 500 | \reset($vars); |
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| 501 | //while (list($key, $value) = each($vars)) { |
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| 502 | foreach ($vars as $key => $value) { |
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| 503 | $this->fieldClean($key); |
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| 504 | $this->clean($value); |
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| 505 | |||
| 506 | if ($setClause) { |
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| 507 | $setClause .= ", \"{$key}\"='{$value}'"; |
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| 508 | } else { |
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| 509 | $setClause = "UPDATE \"{$table}\" SET \"{$key}\"='{$value}'"; |
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| 510 | } |
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| 511 | } |
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| 512 | |||
| 513 | \reset($nulls); |
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| 514 | //while (list(, $value) = each($nulls)) { |
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| 515 | foreach ($nulls as $key => $value) { |
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| 516 | $this->fieldClean($value); |
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| 517 | |||
| 518 | if ($setClause) { |
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| 519 | $setClause .= ", \"{$value}\"=NULL"; |
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| 520 | } else { |
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| 521 | $setClause = "UPDATE \"{$table}\" SET \"{$value}\"=NULL"; |
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| 522 | } |
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| 523 | } |
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| 524 | |||
| 525 | \reset($where); |
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| 526 | //while (list($key, $value) = each($where)) { |
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| 527 | foreach ($where as $key => $value) { |
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| 528 | $this->fieldClean($key); |
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| 529 | $this->clean($value); |
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| 530 | |||
| 531 | if ($whereClause) { |
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| 532 | $whereClause .= " AND \"{$key}\"='{$value}'"; |
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| 533 | } else { |
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| 534 | $whereClause = " WHERE \"{$key}\"='{$value}'"; |
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| 535 | } |
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| 536 | } |
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| 537 | |||
| 538 | // Check for failures |
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| 539 | if (!$this->conn->Execute($setClause . $whereClause)) { |
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| 540 | // Check for unique constraint failure |
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| 541 | if (\mb_stristr($this->ErrorMsg(), 'unique')) { |
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| 542 | return -1; |
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| 543 | } |
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| 544 | |||
| 545 | if (\mb_stristr($this->ErrorMsg(), 'referential')) { |
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| 546 | return -2; |
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| 547 | } // Check for referential integrity failure |
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| 548 | } |
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| 549 | |||
| 550 | // Check for no rows modified |
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| 551 | if (0 === $this->conn->Affected_Rows()) { |
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| 552 | return -3; |
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| 553 | } |
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| 554 | |||
| 555 | return $this->ErrorNo(); |
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| 556 | } |
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| 557 | |||
| 558 | /** |
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| 559 | * Begin a transaction. |
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| 560 | * |
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| 561 | * @return int 0 success |
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| 562 | */ |
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| 563 | public function beginTransaction() |
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| 564 | { |
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| 565 | return (int) (!$this->conn->BeginTrans()); |
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| 566 | } |
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| 567 | |||
| 568 | /** |
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| 569 | * End a transaction. |
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| 570 | * |
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| 571 | * @return int 0 success |
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| 572 | */ |
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| 573 | public function endTransaction() |
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| 574 | { |
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| 575 | return (int) (!$this->conn->CommitTrans()); |
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| 576 | } |
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| 577 | |||
| 578 | /** |
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| 579 | * Roll back a transaction. |
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| 580 | * |
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| 581 | * @return int 0 success |
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| 582 | */ |
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| 583 | public function rollbackTransaction() |
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| 584 | { |
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| 585 | return (int) (!$this->conn->RollbackTrans()); |
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| 586 | } |
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| 587 | |||
| 588 | /** |
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| 589 | * Get the backend platform. |
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| 590 | * |
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| 591 | * @return string The backend platform |
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| 592 | */ |
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| 593 | public function getPlatform() |
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| 594 | { |
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| 595 | try { |
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| 596 | return $this->conn->platform; |
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| 597 | } catch (\Exception $e) { |
||
| 598 | $this->prtrace($e->getMessage()); |
||
| 599 | |||
| 600 | return 'UNKNOWN'; |
||
| 601 | } |
||
| 602 | } |
||
| 603 | |||
| 604 | // Type conversion routines |
||
| 605 | |||
| 606 | /** |
||
| 607 | * Change the value of a parameter to database representation depending on whether it evaluates to true or false. |
||
| 608 | * |
||
| 609 | * @param mixed $parameter the parameter |
||
| 610 | * |
||
| 611 | * @return string boolean database representation |
||
| 612 | */ |
||
| 613 | public function dbBool(&$parameter) |
||
| 614 | { |
||
| 615 | if ($parameter) { |
||
| 616 | $parameter = 't'; |
||
| 617 | } else { |
||
| 618 | $parameter = 'f'; |
||
| 619 | } |
||
| 620 | |||
| 621 | return $parameter; |
||
| 622 | } |
||
| 623 | |||
| 624 | /** |
||
| 625 | * Change a parameter from database representation to a boolean, (others evaluate to false). |
||
| 626 | * |
||
| 627 | * @param string $parameter the parameter |
||
| 628 | * |
||
| 629 | * @return bool |
||
| 630 | */ |
||
| 631 | public function phpBool($parameter) |
||
| 634 | } |
||
| 635 | |||
| 636 | /** |
||
| 637 | * Change a db array into a PHP array. |
||
| 638 | * |
||
| 639 | * @param string $dbarr |
||
| 640 | * |
||
| 641 | * @return array A PHP array |
||
| 642 | * |
||
| 643 | * @internal param String $arr representing the DB array |
||
| 644 | */ |
||
| 645 | public function phpArray($dbarr) |
||
| 646 | { |
||
| 647 | // Take off the first and last characters (the braces) |
||
| 648 | $arr = \mb_substr($dbarr, 1, \mb_strlen($dbarr) - 2); |
||
| 649 | |||
| 650 | // Pick out array entries by carefully parsing. This is necessary in order |
||
| 651 | // to cope with double quotes and commas, etc. |
||
| 652 | $elements = []; |
||
| 653 | $i = $j = 0; |
||
| 654 | $in_quotes = false; |
||
| 655 | |||
| 656 | while (\mb_strlen($arr) > $i) { |
||
| 688 | } |
||
| 689 | } |
||
| 690 |
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