| commit | author | age | ||
| 95ebbc | 1 | <?php |
| T | 2 | // +----------------------------------------------------------------------+ |
| 3 | // | PHP versions 4 and 5 | | |
| 4 | // +----------------------------------------------------------------------+ | |
| 5 | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | | |
| 6 | // | Stig. S. Bakken, Lukas Smith | | |
| 7 | // | All rights reserved. | | |
| 8 | // +----------------------------------------------------------------------+ | |
| 9 | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | | |
| 10 | // | API as well as database abstraction for PHP applications. | | |
| 11 | // | This LICENSE is in the BSD license style. | | |
| 12 | // | | | |
| 13 | // | Redistribution and use in source and binary forms, with or without | | |
| 14 | // | modification, are permitted provided that the following conditions | | |
| 15 | // | are met: | | |
| 16 | // | | | |
| 17 | // | Redistributions of source code must retain the above copyright | | |
| 18 | // | notice, this list of conditions and the following disclaimer. | | |
| 19 | // | | | |
| 20 | // | Redistributions in binary form must reproduce the above copyright | | |
| 21 | // | notice, this list of conditions and the following disclaimer in the | | |
| 22 | // | documentation and/or other materials provided with the distribution. | | |
| 23 | // | | | |
| 24 | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | | |
| 25 | // | Lukas Smith nor the names of his contributors may be used to endorse | | |
| 26 | // | or promote products derived from this software without specific prior| | |
| 27 | // | written permission. | | |
| 28 | // | | | |
| 29 | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | | |
| 30 | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | | |
| 31 | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | | |
| 32 | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | | |
| 33 | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | | |
| 34 | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | | |
| 35 | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| | |
| 36 | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | | |
| 37 | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | |
| 38 | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| | |
| 39 | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | |
| 40 | // | POSSIBILITY OF SUCH DAMAGE. | | |
| 41 | // +----------------------------------------------------------------------+ | |
| 42 | // | Author: Lukas Smith <smith@pooteeweet.org> | | |
| 43 | // +----------------------------------------------------------------------+ | |
| 44 | // | |
| 45 | // $Id: mysqli.php,v 1.69 2007/11/25 13:38:29 quipo Exp $ | |
| 46 | // | |
| 47 | ||
| 48 | require_once 'MDB2/Driver/Reverse/Common.php'; | |
| 49 | ||
| 50 | /** | |
| 51 | * MDB2 MySQLi driver for the schema reverse engineering module | |
| 52 | * | |
| 53 | * @package MDB2 | |
| 54 | * @category Database | |
| 55 | * @author Lukas Smith <smith@pooteeweet.org> | |
| 56 | * @author Lorenzo Alberton <l.alberton@quipo.it> | |
| 57 | */ | |
| 58 | class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common | |
| 59 | { | |
| 60 | /** | |
| 61 | * Array for converting MYSQLI_*_FLAG constants to text values | |
| 62 | * @var array | |
| 63 | * @access public | |
| 64 | */ | |
| 65 | var $flags = array( | |
| 66 | MYSQLI_NOT_NULL_FLAG => 'not_null', | |
| 67 | MYSQLI_PRI_KEY_FLAG => 'primary_key', | |
| 68 | MYSQLI_UNIQUE_KEY_FLAG => 'unique_key', | |
| 69 | MYSQLI_MULTIPLE_KEY_FLAG => 'multiple_key', | |
| 70 | MYSQLI_BLOB_FLAG => 'blob', | |
| 71 | MYSQLI_UNSIGNED_FLAG => 'unsigned', | |
| 72 | MYSQLI_ZEROFILL_FLAG => 'zerofill', | |
| 73 | MYSQLI_AUTO_INCREMENT_FLAG => 'auto_increment', | |
| 74 | MYSQLI_TIMESTAMP_FLAG => 'timestamp', | |
| 75 | MYSQLI_SET_FLAG => 'set', | |
| 76 | // MYSQLI_NUM_FLAG => 'numeric', // unnecessary | |
| 77 | // MYSQLI_PART_KEY_FLAG => 'multiple_key', // duplicatvie | |
| 78 | MYSQLI_GROUP_FLAG => 'group_by' | |
| 79 | ); | |
| 80 | ||
| 81 | /** | |
| 82 | * Array for converting MYSQLI_TYPE_* constants to text values | |
| 83 | * @var array | |
| 84 | * @access public | |
| 85 | */ | |
| 86 | var $types = array( | |
| 87 | MYSQLI_TYPE_DECIMAL => 'decimal', | |
| 88 | 246 => 'decimal', | |
| 89 | MYSQLI_TYPE_TINY => 'tinyint', | |
| 90 | MYSQLI_TYPE_SHORT => 'int', | |
| 91 | MYSQLI_TYPE_LONG => 'int', | |
| 92 | MYSQLI_TYPE_FLOAT => 'float', | |
| 93 | MYSQLI_TYPE_DOUBLE => 'double', | |
| 94 | // MYSQLI_TYPE_NULL => 'DEFAULT NULL', // let flags handle it | |
| 95 | MYSQLI_TYPE_TIMESTAMP => 'timestamp', | |
| 96 | MYSQLI_TYPE_LONGLONG => 'bigint', | |
| 97 | MYSQLI_TYPE_INT24 => 'mediumint', | |
| 98 | MYSQLI_TYPE_DATE => 'date', | |
| 99 | MYSQLI_TYPE_TIME => 'time', | |
| 100 | MYSQLI_TYPE_DATETIME => 'datetime', | |
| 101 | MYSQLI_TYPE_YEAR => 'year', | |
| 102 | MYSQLI_TYPE_NEWDATE => 'date', | |
| 103 | MYSQLI_TYPE_ENUM => 'enum', | |
| 104 | MYSQLI_TYPE_SET => 'set', | |
| 105 | MYSQLI_TYPE_TINY_BLOB => 'tinyblob', | |
| 106 | MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob', | |
| 107 | MYSQLI_TYPE_LONG_BLOB => 'longblob', | |
| 108 | MYSQLI_TYPE_BLOB => 'blob', | |
| 109 | MYSQLI_TYPE_VAR_STRING => 'varchar', | |
| 110 | MYSQLI_TYPE_STRING => 'char', | |
| 111 | MYSQLI_TYPE_GEOMETRY => 'geometry', | |
| 112 | ); | |
| 113 | ||
| 114 | // {{{ getTableFieldDefinition() | |
| 115 | ||
| 116 | /** | |
| 117 | * Get the structure of a field into an array | |
| 118 | * | |
| 119 | * @param string $table_name name of table that should be used in method | |
| 120 | * @param string $field_name name of field that should be used in method | |
| 121 | * @return mixed data array on success, a MDB2 error on failure | |
| 122 | * @access public | |
| 123 | */ | |
| 124 | function getTableFieldDefinition($table_name, $field_name) | |
| 125 | { | |
| 126 | $db =& $this->getDBInstance(); | |
| 127 | if (PEAR::isError($db)) { | |
| 128 | return $db; | |
| 129 | } | |
| 130 | ||
| 131 | $result = $db->loadModule('Datatype', null, true); | |
| 132 | if (PEAR::isError($result)) { | |
| 133 | return $result; | |
| 134 | } | |
| 135 | ||
| 136 | list($schema, $table) = $this->splitTableSchema($table_name); | |
| 137 | ||
| 138 | $table = $db->quoteIdentifier($table, true); | |
| 139 | $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name); | |
| 140 | $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC); | |
| 141 | if (PEAR::isError($columns)) { | |
| 142 | return $columns; | |
| 143 | } | |
| 144 | foreach ($columns as $column) { | |
| 145 | $column = array_change_key_case($column, CASE_LOWER); | |
| 146 | $column['name'] = $column['field']; | |
| 147 | unset($column['field']); | |
| 148 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 149 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 150 | $column['name'] = strtolower($column['name']); | |
| 151 | } else { | |
| 152 | $column['name'] = strtoupper($column['name']); | |
| 153 | } | |
| 154 | } else { | |
| 155 | $column = array_change_key_case($column, $db->options['field_case']); | |
| 156 | } | |
| 157 | if ($field_name == $column['name']) { | |
| 158 | $mapped_datatype = $db->datatype->mapNativeDatatype($column); | |
| 159 | if (PEAR::isError($mapped_datatype)) { | |
| 160 | return $mapped_datatype; | |
| 161 | } | |
| 162 | list($types, $length, $unsigned, $fixed) = $mapped_datatype; | |
| 163 | $notnull = false; | |
| 164 | if (empty($column['null']) || $column['null'] !== 'YES') { | |
| 165 | $notnull = true; | |
| 166 | } | |
| 167 | $default = false; | |
| 168 | if (array_key_exists('default', $column)) { | |
| 169 | $default = $column['default']; | |
| 170 | if (is_null($default) && $notnull) { | |
| 171 | $default = ''; | |
| 172 | } | |
| 173 | } | |
| 174 | $autoincrement = false; | |
| 175 | if (!empty($column['extra']) && $column['extra'] == 'auto_increment') { | |
| 176 | $autoincrement = true; | |
| 177 | } | |
| 178 | $collate = null; | |
| 179 | if (!empty($column['collation'])) { | |
| 180 | $collate = $column['collation']; | |
| 181 | $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate); | |
| 182 | } | |
| 183 | ||
| 184 | $definition[0] = array( | |
| 185 | 'notnull' => $notnull, | |
| 186 | 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type']) | |
| 187 | ); | |
| 188 | if (!is_null($length)) { | |
| 189 | $definition[0]['length'] = $length; | |
| 190 | } | |
| 191 | if (!is_null($unsigned)) { | |
| 192 | $definition[0]['unsigned'] = $unsigned; | |
| 193 | } | |
| 194 | if (!is_null($fixed)) { | |
| 195 | $definition[0]['fixed'] = $fixed; | |
| 196 | } | |
| 197 | if ($default !== false) { | |
| 198 | $definition[0]['default'] = $default; | |
| 199 | } | |
| 200 | if ($autoincrement !== false) { | |
| 201 | $definition[0]['autoincrement'] = $autoincrement; | |
| 202 | } | |
| 203 | if (!is_null($collate)) { | |
| 204 | $definition[0]['collate'] = $collate; | |
| 205 | $definition[0]['charset'] = $charset; | |
| 206 | } | |
| 207 | foreach ($types as $key => $type) { | |
| 208 | $definition[$key] = $definition[0]; | |
| 209 | if ($type == 'clob' || $type == 'blob') { | |
| 210 | unset($definition[$key]['default']); | |
| 211 | } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) { | |
| 212 | $definition[$key]['default'] = '0000-00-00 00:00:00'; | |
| 213 | } | |
| 214 | $definition[$key]['type'] = $type; | |
| 215 | $definition[$key]['mdb2type'] = $type; | |
| 216 | } | |
| 217 | return $definition; | |
| 218 | } | |
| 219 | } | |
| 220 | ||
| 221 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, | |
| 222 | 'it was not specified an existing table column', __FUNCTION__); | |
| 223 | } | |
| 224 | ||
| 225 | // }}} | |
| 226 | // {{{ getTableIndexDefinition() | |
| 227 | ||
| 228 | /** | |
| 229 | * Get the structure of an index into an array | |
| 230 | * | |
| 231 | * @param string $table_name name of table that should be used in method | |
| 232 | * @param string $index_name name of index that should be used in method | |
| 233 | * @return mixed data array on success, a MDB2 error on failure | |
| 234 | * @access public | |
| 235 | */ | |
| 236 | function getTableIndexDefinition($table_name, $index_name) | |
| 237 | { | |
| 238 | $db =& $this->getDBInstance(); | |
| 239 | if (PEAR::isError($db)) { | |
| 240 | return $db; | |
| 241 | } | |
| 242 | ||
| 243 | list($schema, $table) = $this->splitTableSchema($table_name); | |
| 244 | ||
| 245 | $table = $db->quoteIdentifier($table, true); | |
| 246 | $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */"; | |
| 247 | $index_name_mdb2 = $db->getIndexName($index_name); | |
| 248 | $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2))); | |
| 249 | if (!PEAR::isError($result) && !is_null($result)) { | |
| 250 | // apply 'idxname_format' only if the query succeeded, otherwise | |
| 251 | // fallback to the given $index_name, without transformation | |
| 252 | $index_name = $index_name_mdb2; | |
| 253 | } | |
| 254 | $result = $db->query(sprintf($query, $db->quote($index_name))); | |
| 255 | if (PEAR::isError($result)) { | |
| 256 | return $result; | |
| 257 | } | |
| 258 | $colpos = 1; | |
| 259 | $definition = array(); | |
| 260 | while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) { | |
| 261 | $row = array_change_key_case($row, CASE_LOWER); | |
| 262 | $key_name = $row['key_name']; | |
| 263 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 264 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 265 | $key_name = strtolower($key_name); | |
| 266 | } else { | |
| 267 | $key_name = strtoupper($key_name); | |
| 268 | } | |
| 269 | } | |
| 270 | if ($index_name == $key_name) { | |
| 271 | if (!$row['non_unique']) { | |
| 272 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, | |
| 273 | $index_name . ' is not an existing table index', __FUNCTION__); | |
| 274 | } | |
| 275 | $column_name = $row['column_name']; | |
| 276 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 277 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 278 | $column_name = strtolower($column_name); | |
| 279 | } else { | |
| 280 | $column_name = strtoupper($column_name); | |
| 281 | } | |
| 282 | } | |
| 283 | $definition['fields'][$column_name] = array( | |
| 284 | 'position' => $colpos++ | |
| 285 | ); | |
| 286 | if (!empty($row['collation'])) { | |
| 287 | $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A' | |
| 288 | ? 'ascending' : 'descending'); | |
| 289 | } | |
| 290 | } | |
| 291 | } | |
| 292 | $result->free(); | |
| 293 | if (empty($definition['fields'])) { | |
| 294 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, | |
| 295 | $index_name . ' is not an existing table index', __FUNCTION__); | |
| 296 | } | |
| 297 | return $definition; | |
| 298 | } | |
| 299 | ||
| 300 | // }}} | |
| 301 | // {{{ getTableConstraintDefinition() | |
| 302 | ||
| 303 | /** | |
| 304 | * Get the structure of a constraint into an array | |
| 305 | * | |
| 306 | * @param string $table_name name of table that should be used in method | |
| 307 | * @param string $constraint_name name of constraint that should be used in method | |
| 308 | * @return mixed data array on success, a MDB2 error on failure | |
| 309 | * @access public | |
| 310 | */ | |
| 311 | function getTableConstraintDefinition($table_name, $constraint_name) | |
| 312 | { | |
| 313 | $db =& $this->getDBInstance(); | |
| 314 | if (PEAR::isError($db)) { | |
| 315 | return $db; | |
| 316 | } | |
| 317 | ||
| 318 | list($schema, $table) = $this->splitTableSchema($table_name); | |
| 319 | $constraint_name_original = $constraint_name; | |
| 320 | ||
| 321 | $table = $db->quoteIdentifier($table, true); | |
| 322 | $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */"; | |
| 323 | if (strtolower($constraint_name) != 'primary') { | |
| 324 | $constraint_name_mdb2 = $db->getIndexName($constraint_name); | |
| 325 | $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2))); | |
| 326 | if (!PEAR::isError($result) && !is_null($result)) { | |
| 327 | // apply 'idxname_format' only if the query succeeded, otherwise | |
| 328 | // fallback to the given $index_name, without transformation | |
| 329 | $constraint_name = $constraint_name_mdb2; | |
| 330 | } | |
| 331 | } | |
| 332 | $result = $db->query(sprintf($query, $db->quote($constraint_name))); | |
| 333 | if (PEAR::isError($result)) { | |
| 334 | return $result; | |
| 335 | } | |
| 336 | $colpos = 1; | |
| 337 | //default values, eventually overridden | |
| 338 | $definition = array( | |
| 339 | 'primary' => false, | |
| 340 | 'unique' => false, | |
| 341 | 'foreign' => false, | |
| 342 | 'check' => false, | |
| 343 | 'fields' => array(), | |
| 344 | 'references' => array( | |
| 345 | 'table' => '', | |
| 346 | 'fields' => array(), | |
| 347 | ), | |
| 348 | 'onupdate' => '', | |
| 349 | 'ondelete' => '', | |
| 350 | 'match' => '', | |
| 351 | 'deferrable' => false, | |
| 352 | 'initiallydeferred' => false, | |
| 353 | ); | |
| 354 | while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) { | |
| 355 | $row = array_change_key_case($row, CASE_LOWER); | |
| 356 | $key_name = $row['key_name']; | |
| 357 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 358 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 359 | $key_name = strtolower($key_name); | |
| 360 | } else { | |
| 361 | $key_name = strtoupper($key_name); | |
| 362 | } | |
| 363 | } | |
| 364 | if ($constraint_name == $key_name) { | |
| 365 | if ($row['non_unique']) { | |
| 366 | //FOREIGN KEY? | |
| 367 | $query = 'SHOW CREATE TABLE '. $db->escape($table); | |
| 368 | $constraint = $db->queryOne($query, 'text', 1); | |
| 369 | if (!PEAR::isError($constraint) && !empty($constraint)) { | |
| 370 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 371 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 372 | $constraint = strtolower($constraint); | |
| 373 | } else { | |
| 374 | $constraint = strtoupper($constraint); | |
| 375 | } | |
| 376 | } | |
| 377 | $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i'; | |
| 378 | if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) { | |
| 379 | //fallback to original constraint name | |
| 380 | $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i'; | |
| 381 | } | |
| 382 | if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) { | |
| 383 | $definition['foreign'] = true; | |
| 384 | $column_names = explode(',', $matches[1]); | |
| 385 | $referenced_cols = explode(',', $matches[3]); | |
| 386 | $definition['references'] = array( | |
| 387 | 'table' => $matches[2], | |
| 388 | 'fields' => array(), | |
| 389 | ); | |
| 390 | $colpos = 1; | |
| 391 | foreach ($column_names as $column_name) { | |
| 392 | $definition['fields'][trim($column_name)] = array( | |
| 393 | 'position' => $colpos++ | |
| 394 | ); | |
| 395 | } | |
| 396 | $colpos = 1; | |
| 397 | foreach ($referenced_cols as $column_name) { | |
| 398 | $definition['references']['fields'][trim($column_name)] = array( | |
| 399 | 'position' => $colpos++ | |
| 400 | ); | |
| 401 | } | |
| 402 | $definition['onupdate'] = 'NO ACTION'; | |
| 403 | $definition['ondelete'] = 'NO ACTION'; | |
| 404 | $definition['match'] = 'SIMPLE'; | |
| 405 | return $definition; | |
| 406 | } | |
| 407 | } | |
| 408 | ||
| 409 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, | |
| 410 | $constraint_name . ' is not an existing table constraint', __FUNCTION__); | |
| 411 | } | |
| 412 | if ($row['key_name'] == 'PRIMARY') { | |
| 413 | $definition['primary'] = true; | |
| 414 | } elseif (!$row['non_unique']) { | |
| 415 | $definition['unique'] = true; | |
| 416 | } | |
| 417 | $column_name = $row['column_name']; | |
| 418 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 419 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 420 | $column_name = strtolower($column_name); | |
| 421 | } else { | |
| 422 | $column_name = strtoupper($column_name); | |
| 423 | } | |
| 424 | } | |
| 425 | $definition['fields'][$column_name] = array( | |
| 426 | 'position' => $colpos++ | |
| 427 | ); | |
| 428 | if (!empty($row['collation'])) { | |
| 429 | $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A' | |
| 430 | ? 'ascending' : 'descending'); | |
| 431 | } | |
| 432 | } | |
| 433 | } | |
| 434 | $result->free(); | |
| 435 | if (empty($definition['fields'])) { | |
| 436 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, | |
| 437 | $constraint_name . ' is not an existing table constraint', __FUNCTION__); | |
| 438 | } | |
| 439 | return $definition; | |
| 440 | } | |
| 441 | ||
| 442 | // }}} | |
| 443 | // {{{ getTriggerDefinition() | |
| 444 | ||
| 445 | /** | |
| 446 | * Get the structure of a trigger into an array | |
| 447 | * | |
| 448 | * EXPERIMENTAL | |
| 449 | * | |
| 450 | * WARNING: this function is experimental and may change the returned value | |
| 451 | * at any time until labelled as non-experimental | |
| 452 | * | |
| 453 | * @param string $trigger name of trigger that should be used in method | |
| 454 | * @return mixed data array on success, a MDB2 error on failure | |
| 455 | * @access public | |
| 456 | */ | |
| 457 | function getTriggerDefinition($trigger) | |
| 458 | { | |
| 459 | $db =& $this->getDBInstance(); | |
| 460 | if (PEAR::isError($db)) { | |
| 461 | return $db; | |
| 462 | } | |
| 463 | ||
| 464 | $query = 'SELECT trigger_name, | |
| 465 | event_object_table AS table_name, | |
| 466 | action_statement AS trigger_body, | |
| 467 | action_timing AS trigger_type, | |
| 468 | event_manipulation AS trigger_event | |
| 469 | FROM information_schema.triggers | |
| 470 | WHERE trigger_name = '. $db->quote($trigger, 'text'); | |
| 471 | $types = array( | |
| 472 | 'trigger_name' => 'text', | |
| 473 | 'table_name' => 'text', | |
| 474 | 'trigger_body' => 'text', | |
| 475 | 'trigger_type' => 'text', | |
| 476 | 'trigger_event' => 'text', | |
| 477 | ); | |
| 478 | $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC); | |
| 479 | if (PEAR::isError($def)) { | |
| 480 | return $def; | |
| 481 | } | |
| 482 | $def['trigger_comment'] = ''; | |
| 483 | $def['trigger_enabled'] = true; | |
| 484 | return $def; | |
| 485 | } | |
| 486 | ||
| 487 | // }}} | |
| 488 | // {{{ tableInfo() | |
| 489 | ||
| 490 | /** | |
| 491 | * Returns information about a table or a result set | |
| 492 | * | |
| 493 | * @param object|string $result MDB2_result object from a query or a | |
| 494 | * string containing the name of a table. | |
| 495 | * While this also accepts a query result | |
| 496 | * resource identifier, this behavior is | |
| 497 | * deprecated. | |
| 498 | * @param int $mode a valid tableInfo mode | |
| 499 | * | |
| 500 | * @return array an associative array with the information requested. | |
| 501 | * A MDB2_Error object on failure. | |
| 502 | * | |
| 503 | * @see MDB2_Driver_Common::setOption() | |
| 504 | */ | |
| 505 | function tableInfo($result, $mode = null) | |
| 506 | { | |
| 507 | if (is_string($result)) { | |
| 508 | return parent::tableInfo($result, $mode); | |
| 509 | } | |
| 510 | ||
| 511 | $db =& $this->getDBInstance(); | |
| 512 | if (PEAR::isError($db)) { | |
| 513 | return $db; | |
| 514 | } | |
| 515 | ||
| 516 | $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result; | |
| 517 | if (!is_object($resource)) { | |
| 518 | return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | |
| 519 | 'Could not generate result resource', __FUNCTION__); | |
| 520 | } | |
| 521 | ||
| 522 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 523 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 524 | $case_func = 'strtolower'; | |
| 525 | } else { | |
| 526 | $case_func = 'strtoupper'; | |
| 527 | } | |
| 528 | } else { | |
| 529 | $case_func = 'strval'; | |
| 530 | } | |
| 531 | ||
| 532 | $count = @mysqli_num_fields($resource); | |
| 533 | $res = array(); | |
| 534 | if ($mode) { | |
| 535 | $res['num_fields'] = $count; | |
| 536 | } | |
| 537 | ||
| 538 | $db->loadModule('Datatype', null, true); | |
| 539 | for ($i = 0; $i < $count; $i++) { | |
| 540 | $tmp = @mysqli_fetch_field($resource); | |
| 541 | ||
| 542 | $flags = ''; | |
| 543 | foreach ($this->flags as $const => $means) { | |
| 544 | if ($tmp->flags & $const) { | |
| 545 | $flags.= $means . ' '; | |
| 546 | } | |
| 547 | } | |
| 548 | if ($tmp->def) { | |
| 549 | $flags.= 'default_' . rawurlencode($tmp->def); | |
| 550 | } | |
| 551 | $flags = trim($flags); | |
| 552 | ||
| 553 | $res[$i] = array( | |
| 554 | 'table' => $case_func($tmp->table), | |
| 555 | 'name' => $case_func($tmp->name), | |
| 556 | 'type' => isset($this->types[$tmp->type]) | |
| 557 | ? $this->types[$tmp->type] : 'unknown', | |
| 558 | // http://bugs.php.net/?id=36579 | |
| 559 | 'length' => $tmp->length, | |
| 560 | 'flags' => $flags, | |
| 561 | ); | |
| 562 | $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]); | |
| 563 | if (PEAR::isError($mdb2type_info)) { | |
| 564 | return $mdb2type_info; | |
| 565 | } | |
| 566 | $res[$i]['mdb2type'] = $mdb2type_info[0][0]; | |
| 567 | if ($mode & MDB2_TABLEINFO_ORDER) { | |
| 568 | $res['order'][$res[$i]['name']] = $i; | |
| 569 | } | |
| 570 | if ($mode & MDB2_TABLEINFO_ORDERTABLE) { | |
| 571 | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; | |
| 572 | } | |
| 573 | } | |
| 574 | ||
| 575 | return $res; | |
| 576 | } | |
| 577 | } | |
| 578 | ?> | |
