| commit | author | age | ||
| d1403f | 1 | <?php |
| A | 2 | // +----------------------------------------------------------------------+ |
| 3 | // | PHP versions 4 and 5 | | |
| 4 | // +----------------------------------------------------------------------+ | |
| 5 | // | Copyright (c) 1998-2008 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: Paul Cooper <pgc@ucecom.com> | | |
| 43 | // +----------------------------------------------------------------------+ | |
| 44 | // | |
| 2273d4 | 45 | // $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $ |
| d1403f | 46 | |
| A | 47 | require_once 'MDB2/Driver/Manager/Common.php'; |
| 48 | ||
| 49 | /** | |
| 50 | * MDB2 MySQL driver for the management modules | |
| 51 | * | |
| 52 | * @package MDB2 | |
| 53 | * @category Database | |
| 54 | * @author Paul Cooper <pgc@ucecom.com> | |
| 55 | */ | |
| 56 | class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common | |
| 57 | { | |
| 58 | // {{{ createDatabase() | |
| 59 | ||
| 60 | /** | |
| 61 | * create a new database | |
| 62 | * | |
| 63 | * @param string $name name of the database that should be created | |
| 64 | * @param array $options array with charset info | |
| 65 | * | |
| 66 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 67 | * @access public | |
| 68 | */ | |
| 69 | function createDatabase($name, $options = array()) | |
| 70 | { | |
| 71 | $db =& $this->getDBInstance(); | |
| 72 | if (PEAR::isError($db)) { | |
| 73 | return $db; | |
| 74 | } | |
| 75 | ||
| 76 | $name = $db->quoteIdentifier($name, true); | |
| 77 | $query = 'CREATE DATABASE ' . $name; | |
| 78 | if (!empty($options['charset'])) { | |
| 79 | $query .= ' WITH ENCODING ' . $db->quote($options['charset'], 'text'); | |
| 80 | } | |
| 81 | return $db->standaloneQuery($query, null, true); | |
| 82 | } | |
| 83 | ||
| 84 | // }}} | |
| 85 | // {{{ alterDatabase() | |
| 86 | ||
| 87 | /** | |
| 88 | * alter an existing database | |
| 89 | * | |
| 90 | * @param string $name name of the database that is intended to be changed | |
| 91 | * @param array $options array with name, owner info | |
| 92 | * | |
| 93 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 94 | * @access public | |
| 95 | */ | |
| 96 | function alterDatabase($name, $options = array()) | |
| 97 | { | |
| 98 | $db =& $this->getDBInstance(); | |
| 99 | if (PEAR::isError($db)) { | |
| 100 | return $db; | |
| 101 | } | |
| 102 | ||
| 103 | $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true); | |
| 104 | if (!empty($options['name'])) { | |
| 105 | $query .= ' RENAME TO ' . $options['name']; | |
| 106 | } | |
| 107 | if (!empty($options['owner'])) { | |
| 108 | $query .= ' OWNER TO ' . $options['owner']; | |
| 109 | } | |
| 110 | return $db->standaloneQuery($query, null, true); | |
| 111 | } | |
| 112 | ||
| 113 | // }}} | |
| 114 | // {{{ dropDatabase() | |
| 115 | ||
| 116 | /** | |
| 117 | * drop an existing database | |
| 118 | * | |
| 119 | * @param string $name name of the database that should be dropped | |
| 120 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 121 | * @access public | |
| 122 | */ | |
| 123 | function dropDatabase($name) | |
| 124 | { | |
| 125 | $db =& $this->getDBInstance(); | |
| 126 | if (PEAR::isError($db)) { | |
| 127 | return $db; | |
| 128 | } | |
| 129 | ||
| 130 | $name = $db->quoteIdentifier($name, true); | |
| 131 | $query = "DROP DATABASE $name"; | |
| 132 | return $db->standaloneQuery($query, null, true); | |
| 133 | } | |
| 134 | ||
| 135 | // }}} | |
| 136 | // {{{ _getAdvancedFKOptions() | |
| 137 | ||
| 138 | /** | |
| 139 | * Return the FOREIGN KEY query section dealing with non-standard options | |
| 140 | * as MATCH, INITIALLY DEFERRED, ON UPDATE, ... | |
| 141 | * | |
| 142 | * @param array $definition | |
| 143 | * @return string | |
| 144 | * @access protected | |
| 145 | */ | |
| 146 | function _getAdvancedFKOptions($definition) | |
| 147 | { | |
| 148 | $query = ''; | |
| 149 | if (!empty($definition['match'])) { | |
| 150 | $query .= ' MATCH '.$definition['match']; | |
| 151 | } | |
| 152 | if (!empty($definition['onupdate'])) { | |
| 153 | $query .= ' ON UPDATE '.$definition['onupdate']; | |
| 154 | } | |
| 155 | if (!empty($definition['ondelete'])) { | |
| 156 | $query .= ' ON DELETE '.$definition['ondelete']; | |
| 157 | } | |
| 158 | if (!empty($definition['deferrable'])) { | |
| 159 | $query .= ' DEFERRABLE'; | |
| 160 | } else { | |
| 161 | $query .= ' NOT DEFERRABLE'; | |
| 162 | } | |
| 163 | if (!empty($definition['initiallydeferred'])) { | |
| 164 | $query .= ' INITIALLY DEFERRED'; | |
| 165 | } else { | |
| 166 | $query .= ' INITIALLY IMMEDIATE'; | |
| 167 | } | |
| 168 | return $query; | |
| 169 | } | |
| 170 | ||
| 171 | // }}} | |
| 172 | // {{{ truncateTable() | |
| 173 | ||
| 174 | /** | |
| 175 | * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported, | |
| 176 | * it falls back to a DELETE FROM TABLE query) | |
| 177 | * | |
| 178 | * @param string $name name of the table that should be truncated | |
| 179 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 180 | * @access public | |
| 181 | */ | |
| 182 | function truncateTable($name) | |
| 183 | { | |
| 184 | $db =& $this->getDBInstance(); | |
| 185 | if (PEAR::isError($db)) { | |
| 186 | return $db; | |
| 187 | } | |
| 188 | ||
| 189 | $name = $db->quoteIdentifier($name, true); | |
| 190 | return $db->exec("TRUNCATE TABLE $name"); | |
| 191 | } | |
| 192 | ||
| 193 | // }}} | |
| 194 | // {{{ vacuum() | |
| 195 | ||
| 196 | /** | |
| 197 | * Optimize (vacuum) all the tables in the db (or only the specified table) | |
| 198 | * and optionally run ANALYZE. | |
| 199 | * | |
| 200 | * @param string $table table name (all the tables if empty) | |
| 201 | * @param array $options an array with driver-specific options: | |
| 202 | * - timeout [int] (in seconds) [mssql-only] | |
| 203 | * - analyze [boolean] [pgsql and mysql] | |
| 204 | * - full [boolean] [pgsql-only] | |
| 205 | * - freeze [boolean] [pgsql-only] | |
| 206 | * | |
| 207 | * @return mixed MDB2_OK success, a MDB2 error on failure | |
| 208 | * @access public | |
| 209 | */ | |
| 210 | function vacuum($table = null, $options = array()) | |
| 211 | { | |
| 212 | $db =& $this->getDBInstance(); | |
| 213 | if (PEAR::isError($db)) { | |
| 214 | return $db; | |
| 215 | } | |
| 216 | $query = 'VACUUM'; | |
| 217 | ||
| 218 | if (!empty($options['full'])) { | |
| 219 | $query .= ' FULL'; | |
| 220 | } | |
| 221 | if (!empty($options['freeze'])) { | |
| 222 | $query .= ' FREEZE'; | |
| 223 | } | |
| 224 | if (!empty($options['analyze'])) { | |
| 225 | $query .= ' ANALYZE'; | |
| 226 | } | |
| 227 | ||
| 228 | if (!empty($table)) { | |
| 229 | $query .= ' '.$db->quoteIdentifier($table, true); | |
| 230 | } | |
| 231 | return $db->exec($query); | |
| 232 | } | |
| 233 | ||
| 234 | // }}} | |
| 235 | // {{{ alterTable() | |
| 236 | ||
| 237 | /** | |
| 238 | * alter an existing table | |
| 239 | * | |
| 240 | * @param string $name name of the table that is intended to be changed. | |
| 241 | * @param array $changes associative array that contains the details of each type | |
| 242 | * of change that is intended to be performed. The types of | |
| 243 | * changes that are currently supported are defined as follows: | |
| 244 | * | |
| 245 | * name | |
| 246 | * | |
| 247 | * New name for the table. | |
| 248 | * | |
| 249 | * add | |
| 250 | * | |
| 251 | * Associative array with the names of fields to be added as | |
| 252 | * indexes of the array. The value of each entry of the array | |
| 253 | * should be set to another associative array with the properties | |
| 254 | * of the fields to be added. The properties of the fields should | |
| 255 | * be the same as defined by the MDB2 parser. | |
| 256 | * | |
| 257 | * | |
| 258 | * remove | |
| 259 | * | |
| 260 | * Associative array with the names of fields to be removed as indexes | |
| 261 | * of the array. Currently the values assigned to each entry are ignored. | |
| 262 | * An empty array should be used for future compatibility. | |
| 263 | * | |
| 264 | * rename | |
| 265 | * | |
| 266 | * Associative array with the names of fields to be renamed as indexes | |
| 267 | * of the array. The value of each entry of the array should be set to | |
| 268 | * another associative array with the entry named name with the new | |
| 269 | * field name and the entry named Declaration that is expected to contain | |
| 270 | * the portion of the field declaration already in DBMS specific SQL code | |
| 271 | * as it is used in the CREATE TABLE statement. | |
| 272 | * | |
| 273 | * change | |
| 274 | * | |
| 275 | * Associative array with the names of the fields to be changed as indexes | |
| 276 | * of the array. Keep in mind that if it is intended to change either the | |
| 277 | * name of a field and any other properties, the change array entries | |
| 278 | * should have the new names of the fields as array indexes. | |
| 279 | * | |
| 280 | * The value of each entry of the array should be set to another associative | |
| 281 | * array with the properties of the fields to that are meant to be changed as | |
| 282 | * array entries. These entries should be assigned to the new values of the | |
| 283 | * respective properties. The properties of the fields should be the same | |
| 284 | * as defined by the MDB2 parser. | |
| 285 | * | |
| 286 | * Example | |
| 287 | * array( | |
| 288 | * 'name' => 'userlist', | |
| 289 | * 'add' => array( | |
| 290 | * 'quota' => array( | |
| 291 | * 'type' => 'integer', | |
| 292 | * 'unsigned' => 1 | |
| 293 | * ) | |
| 294 | * ), | |
| 295 | * 'remove' => array( | |
| 296 | * 'file_limit' => array(), | |
| 297 | * 'time_limit' => array() | |
| 298 | * ), | |
| 299 | * 'change' => array( | |
| 300 | * 'name' => array( | |
| 301 | * 'length' => '20', | |
| 302 | * 'definition' => array( | |
| 303 | * 'type' => 'text', | |
| 304 | * 'length' => 20, | |
| 305 | * ), | |
| 306 | * ) | |
| 307 | * ), | |
| 308 | * 'rename' => array( | |
| 309 | * 'sex' => array( | |
| 310 | * 'name' => 'gender', | |
| 311 | * 'definition' => array( | |
| 312 | * 'type' => 'text', | |
| 313 | * 'length' => 1, | |
| 314 | * 'default' => 'M', | |
| 315 | * ), | |
| 316 | * ) | |
| 317 | * ) | |
| 318 | * ) | |
| 319 | * | |
| 320 | * @param boolean $check indicates whether the function should just check if the DBMS driver | |
| 321 | * can perform the requested table alterations if the value is true or | |
| 322 | * actually perform them otherwise. | |
| 323 | * @access public | |
| 324 | * | |
| 325 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 326 | */ | |
| 327 | function alterTable($name, $changes, $check) | |
| 328 | { | |
| 329 | $db =& $this->getDBInstance(); | |
| 330 | if (PEAR::isError($db)) { | |
| 331 | return $db; | |
| 332 | } | |
| 333 | ||
| 334 | foreach ($changes as $change_name => $change) { | |
| 335 | switch ($change_name) { | |
| 336 | case 'add': | |
| 337 | case 'remove': | |
| 338 | case 'change': | |
| 339 | case 'name': | |
| 340 | case 'rename': | |
| 341 | break; | |
| 342 | default: | |
| 343 | return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, | |
| 344 | 'change type "'.$change_name.'\" not yet supported', __FUNCTION__); | |
| 345 | } | |
| 346 | } | |
| 347 | ||
| 348 | if ($check) { | |
| 349 | return MDB2_OK; | |
| 350 | } | |
| 351 | ||
| 2273d4 | 352 | $name = $db->quoteIdentifier($name, true); |
| A | 353 | |
| d1403f | 354 | if (!empty($changes['remove']) && is_array($changes['remove'])) { |
| A | 355 | foreach ($changes['remove'] as $field_name => $field) { |
| 356 | $field_name = $db->quoteIdentifier($field_name, true); | |
| 357 | $query = 'DROP ' . $field_name; | |
| 358 | $result = $db->exec("ALTER TABLE $name $query"); | |
| 359 | if (PEAR::isError($result)) { | |
| 360 | return $result; | |
| 361 | } | |
| 362 | } | |
| 363 | } | |
| 364 | ||
| 365 | if (!empty($changes['rename']) && is_array($changes['rename'])) { | |
| 366 | foreach ($changes['rename'] as $field_name => $field) { | |
| 367 | $field_name = $db->quoteIdentifier($field_name, true); | |
| 368 | $result = $db->exec("ALTER TABLE $name RENAME COLUMN $field_name TO ".$db->quoteIdentifier($field['name'], true)); | |
| 369 | if (PEAR::isError($result)) { | |
| 370 | return $result; | |
| 371 | } | |
| 372 | } | |
| 373 | } | |
| 374 | ||
| 375 | if (!empty($changes['add']) && is_array($changes['add'])) { | |
| 376 | foreach ($changes['add'] as $field_name => $field) { | |
| 377 | $query = 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field); | |
| 378 | $result = $db->exec("ALTER TABLE $name $query"); | |
| 379 | if (PEAR::isError($result)) { | |
| 380 | return $result; | |
| 381 | } | |
| 382 | } | |
| 383 | } | |
| 384 | ||
| 385 | if (!empty($changes['change']) && is_array($changes['change'])) { | |
| 386 | foreach ($changes['change'] as $field_name => $field) { | |
| 387 | $field_name = $db->quoteIdentifier($field_name, true); | |
| 388 | if (!empty($field['definition']['type'])) { | |
| 389 | $server_info = $db->getServerVersion(); | |
| 390 | if (PEAR::isError($server_info)) { | |
| 391 | return $server_info; | |
| 392 | } | |
| 393 | if (is_array($server_info) && $server_info['major'] < 8) { | |
| 394 | return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, | |
| 395 | 'changing column type for "'.$change_name.'\" requires PostgreSQL 8.0 or above', __FUNCTION__); | |
| 396 | } | |
| 397 | $db->loadModule('Datatype', null, true); | |
| 2273d4 | 398 | $type = $db->datatype->getTypeDeclaration($field['definition']); |
| A | 399 | $query = "ALTER $field_name TYPE $type USING CAST($field_name AS $type)"; |
| d1403f | 400 | $result = $db->exec("ALTER TABLE $name $query"); |
| A | 401 | if (PEAR::isError($result)) { |
| 402 | return $result; | |
| 403 | } | |
| 404 | } | |
| 405 | if (array_key_exists('default', $field['definition'])) { | |
| 406 | $query = "ALTER $field_name SET DEFAULT ".$db->quote($field['definition']['default'], $field['definition']['type']); | |
| 407 | $result = $db->exec("ALTER TABLE $name $query"); | |
| 408 | if (PEAR::isError($result)) { | |
| 409 | return $result; | |
| 410 | } | |
| 411 | } | |
| 2273d4 | 412 | if (array_key_exists('notnull', $field['definition'])) { |
| d1403f | 413 | $query = "ALTER $field_name ".($field['definition']['notnull'] ? 'SET' : 'DROP').' NOT NULL'; |
| A | 414 | $result = $db->exec("ALTER TABLE $name $query"); |
| 415 | if (PEAR::isError($result)) { | |
| 416 | return $result; | |
| 417 | } | |
| 418 | } | |
| 419 | } | |
| 420 | } | |
| 421 | ||
| 422 | if (!empty($changes['name'])) { | |
| 423 | $change_name = $db->quoteIdentifier($changes['name'], true); | |
| 424 | $result = $db->exec("ALTER TABLE $name RENAME TO ".$change_name); | |
| 425 | if (PEAR::isError($result)) { | |
| 426 | return $result; | |
| 427 | } | |
| 428 | } | |
| 429 | ||
| 430 | return MDB2_OK; | |
| 431 | } | |
| 432 | ||
| 433 | // }}} | |
| 434 | // {{{ listDatabases() | |
| 435 | ||
| 436 | /** | |
| 437 | * list all databases | |
| 438 | * | |
| 439 | * @return mixed array of database names on success, a MDB2 error on failure | |
| 440 | * @access public | |
| 441 | */ | |
| 442 | function listDatabases() | |
| 443 | { | |
| 444 | $db =& $this->getDBInstance(); | |
| 445 | if (PEAR::isError($db)) { | |
| 446 | return $db; | |
| 447 | } | |
| 448 | ||
| 449 | $query = 'SELECT datname FROM pg_database'; | |
| 450 | $result2 = $db->standaloneQuery($query, array('text'), false); | |
| 451 | if (!MDB2::isResultCommon($result2)) { | |
| 452 | return $result2; | |
| 453 | } | |
| 454 | ||
| 455 | $result = $result2->fetchCol(); | |
| 456 | $result2->free(); | |
| 457 | if (PEAR::isError($result)) { | |
| 458 | return $result; | |
| 459 | } | |
| 460 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 461 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); | |
| 462 | } | |
| 463 | return $result; | |
| 464 | } | |
| 465 | ||
| 466 | // }}} | |
| 467 | // {{{ listUsers() | |
| 468 | ||
| 469 | /** | |
| 470 | * list all users | |
| 471 | * | |
| 472 | * @return mixed array of user names on success, a MDB2 error on failure | |
| 473 | * @access public | |
| 474 | */ | |
| 475 | function listUsers() | |
| 476 | { | |
| 477 | $db =& $this->getDBInstance(); | |
| 478 | if (PEAR::isError($db)) { | |
| 479 | return $db; | |
| 480 | } | |
| 481 | ||
| 482 | $query = 'SELECT usename FROM pg_user'; | |
| 483 | $result2 = $db->standaloneQuery($query, array('text'), false); | |
| 484 | if (!MDB2::isResultCommon($result2)) { | |
| 485 | return $result2; | |
| 486 | } | |
| 487 | ||
| 488 | $result = $result2->fetchCol(); | |
| 489 | $result2->free(); | |
| 490 | return $result; | |
| 491 | } | |
| 492 | ||
| 493 | // }}} | |
| 494 | // {{{ listViews() | |
| 495 | ||
| 496 | /** | |
| 497 | * list all views in the current database | |
| 498 | * | |
| 499 | * @return mixed array of view names on success, a MDB2 error on failure | |
| 500 | * @access public | |
| 501 | */ | |
| 502 | function listViews() | |
| 503 | { | |
| 504 | $db =& $this->getDBInstance(); | |
| 505 | if (PEAR::isError($db)) { | |
| 506 | return $db; | |
| 507 | } | |
| 508 | ||
| 509 | $query = "SELECT viewname | |
| 510 | FROM pg_views | |
| 511 | WHERE schemaname NOT IN ('pg_catalog', 'information_schema') | |
| 512 | AND viewname !~ '^pg_'"; | |
| 513 | $result = $db->queryCol($query); | |
| 514 | if (PEAR::isError($result)) { | |
| 515 | return $result; | |
| 516 | } | |
| 517 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 518 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); | |
| 519 | } | |
| 520 | return $result; | |
| 521 | } | |
| 522 | ||
| 523 | // }}} | |
| 524 | // {{{ listTableViews() | |
| 525 | ||
| 526 | /** | |
| 527 | * list the views in the database that reference a given table | |
| 528 | * | |
| 529 | * @param string table for which all referenced views should be found | |
| 530 | * @return mixed array of view names on success, a MDB2 error on failure | |
| 531 | * @access public | |
| 532 | */ | |
| 533 | function listTableViews($table) | |
| 534 | { | |
| 535 | $db =& $this->getDBInstance(); | |
| 536 | if (PEAR::isError($db)) { | |
| 537 | return $db; | |
| 538 | } | |
| 539 | ||
| 540 | $query = 'SELECT viewname FROM pg_views NATURAL JOIN pg_tables'; | |
| 541 | $query.= ' WHERE tablename ='.$db->quote($table, 'text'); | |
| 542 | $result = $db->queryCol($query); | |
| 543 | if (PEAR::isError($result)) { | |
| 544 | return $result; | |
| 545 | } | |
| 546 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 547 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); | |
| 548 | } | |
| 549 | return $result; | |
| 550 | } | |
| 551 | ||
| 552 | // }}} | |
| 553 | // {{{ listFunctions() | |
| 554 | ||
| 555 | /** | |
| 556 | * list all functions in the current database | |
| 557 | * | |
| 558 | * @return mixed array of function names on success, a MDB2 error on failure | |
| 559 | * @access public | |
| 560 | */ | |
| 561 | function listFunctions() | |
| 562 | { | |
| 563 | $db =& $this->getDBInstance(); | |
| 564 | if (PEAR::isError($db)) { | |
| 565 | return $db; | |
| 566 | } | |
| 567 | ||
| 568 | $query = " | |
| 569 | SELECT | |
| 570 | proname | |
| 571 | FROM | |
| 572 | pg_proc pr, | |
| 573 | pg_type tp | |
| 574 | WHERE | |
| 575 | tp.oid = pr.prorettype | |
| 576 | AND pr.proisagg = FALSE | |
| 577 | AND tp.typname <> 'trigger' | |
| 578 | AND pr.pronamespace IN | |
| 579 | (SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')"; | |
| 580 | $result = $db->queryCol($query); | |
| 581 | if (PEAR::isError($result)) { | |
| 582 | return $result; | |
| 583 | } | |
| 584 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 585 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); | |
| 586 | } | |
| 587 | return $result; | |
| 588 | } | |
| 589 | ||
| 590 | // }}} | |
| 591 | // {{{ listTableTriggers() | |
| 592 | ||
| 593 | /** | |
| 594 | * list all triggers in the database that reference a given table | |
| 595 | * | |
| 596 | * @param string table for which all referenced triggers should be found | |
| 597 | * @return mixed array of trigger names on success, a MDB2 error on failure | |
| 598 | * @access public | |
| 599 | */ | |
| 600 | function listTableTriggers($table = null) | |
| 601 | { | |
| 602 | $db =& $this->getDBInstance(); | |
| 603 | if (PEAR::isError($db)) { | |
| 604 | return $db; | |
| 605 | } | |
| 606 | ||
| 607 | $query = 'SELECT trg.tgname AS trigger_name | |
| 608 | FROM pg_trigger trg, | |
| 609 | pg_class tbl | |
| 610 | WHERE trg.tgrelid = tbl.oid'; | |
| 2273d4 | 611 | if (null !== $table) { |
| d1403f | 612 | $table = $db->quote(strtoupper($table), 'text'); |
| 2273d4 | 613 | $query .= " AND UPPER(tbl.relname) = $table"; |
| d1403f | 614 | } |
| A | 615 | $result = $db->queryCol($query); |
| 616 | if (PEAR::isError($result)) { | |
| 617 | return $result; | |
| 618 | } | |
| 619 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 620 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); | |
| 621 | } | |
| 622 | return $result; | |
| 623 | } | |
| 624 | ||
| 625 | // }}} | |
| 626 | // {{{ listTables() | |
| 627 | ||
| 628 | /** | |
| 629 | * list all tables in the current database | |
| 630 | * | |
| 631 | * @return mixed array of table names on success, a MDB2 error on failure | |
| 632 | * @access public | |
| 633 | */ | |
| 634 | function listTables() | |
| 635 | { | |
| 636 | $db =& $this->getDBInstance(); | |
| 637 | if (PEAR::isError($db)) { | |
| 638 | return $db; | |
| 639 | } | |
| 640 | ||
| 641 | // gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php | |
| 642 | $query = 'SELECT c.relname AS "Name"' | |
| 643 | . ' FROM pg_class c, pg_user u' | |
| 644 | . ' WHERE c.relowner = u.usesysid' | |
| 645 | . " AND c.relkind = 'r'" | |
| 646 | . ' AND NOT EXISTS' | |
| 647 | . ' (SELECT 1 FROM pg_views' | |
| 648 | . ' WHERE viewname = c.relname)' | |
| 649 | . " AND c.relname !~ '^(pg_|sql_)'" | |
| 650 | . ' UNION' | |
| 651 | . ' SELECT c.relname AS "Name"' | |
| 652 | . ' FROM pg_class c' | |
| 653 | . " WHERE c.relkind = 'r'" | |
| 654 | . ' AND NOT EXISTS' | |
| 655 | . ' (SELECT 1 FROM pg_views' | |
| 656 | . ' WHERE viewname = c.relname)' | |
| 657 | . ' AND NOT EXISTS' | |
| 658 | . ' (SELECT 1 FROM pg_user' | |
| 659 | . ' WHERE usesysid = c.relowner)' | |
| 660 | . " AND c.relname !~ '^pg_'"; | |
| 661 | $result = $db->queryCol($query); | |
| 662 | if (PEAR::isError($result)) { | |
| 663 | return $result; | |
| 664 | } | |
| 665 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 666 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); | |
| 667 | } | |
| 668 | return $result; | |
| 669 | } | |
| 670 | ||
| 671 | // }}} | |
| 672 | // {{{ listTableFields() | |
| 673 | ||
| 674 | /** | |
| 675 | * list all fields in a table in the current database | |
| 676 | * | |
| 677 | * @param string $table name of table that should be used in method | |
| 678 | * @return mixed array of field names on success, a MDB2 error on failure | |
| 679 | * @access public | |
| 680 | */ | |
| 681 | function listTableFields($table) | |
| 682 | { | |
| 683 | $db =& $this->getDBInstance(); | |
| 684 | if (PEAR::isError($db)) { | |
| 685 | return $db; | |
| 686 | } | |
| 687 | ||
| 2273d4 | 688 | list($schema, $table) = $this->splitTableSchema($table); |
| A | 689 | |
| d1403f | 690 | $table = $db->quoteIdentifier($table, true); |
| 2273d4 | 691 | if (!empty($schema)) { |
| A | 692 | $table = $db->quoteIdentifier($schema, true) . '.' .$table; |
| 693 | } | |
| d1403f | 694 | $db->setLimit(1); |
| A | 695 | $result2 = $db->query("SELECT * FROM $table"); |
| 696 | if (PEAR::isError($result2)) { | |
| 697 | return $result2; | |
| 698 | } | |
| 699 | $result = $result2->getColumnNames(); | |
| 700 | $result2->free(); | |
| 701 | if (PEAR::isError($result)) { | |
| 702 | return $result; | |
| 703 | } | |
| 704 | return array_flip($result); | |
| 705 | } | |
| 706 | ||
| 707 | // }}} | |
| 708 | // {{{ listTableIndexes() | |
| 709 | ||
| 710 | /** | |
| 711 | * list all indexes in a table | |
| 712 | * | |
| 713 | * @param string $table name of table that should be used in method | |
| 714 | * @return mixed array of index names on success, a MDB2 error on failure | |
| 715 | * @access public | |
| 716 | */ | |
| 717 | function listTableIndexes($table) | |
| 718 | { | |
| 719 | $db =& $this->getDBInstance(); | |
| 720 | if (PEAR::isError($db)) { | |
| 721 | return $db; | |
| 722 | } | |
| 723 | ||
| 2273d4 | 724 | list($schema, $table) = $this->splitTableSchema($table); |
| A | 725 | |
| d1403f | 726 | $table = $db->quote($table, 'text'); |
| 2273d4 | 727 | $subquery = "SELECT indexrelid |
| A | 728 | FROM pg_index |
| 729 | LEFT JOIN pg_class ON pg_class.oid = pg_index.indrelid | |
| 730 | LEFT JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid | |
| 731 | WHERE pg_class.relname = $table | |
| 732 | AND indisunique != 't' | |
| 733 | AND indisprimary != 't'"; | |
| 734 | if (!empty($schema)) { | |
| 735 | $subquery .= ' AND pg_namespace.nspname = '.$db->quote($schema, 'text'); | |
| 736 | } | |
| d1403f | 737 | $query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)"; |
| A | 738 | $indexes = $db->queryCol($query, 'text'); |
| 739 | if (PEAR::isError($indexes)) { | |
| 740 | return $indexes; | |
| 741 | } | |
| 742 | ||
| 743 | $result = array(); | |
| 744 | foreach ($indexes as $index) { | |
| 745 | $index = $this->_fixIndexName($index); | |
| 746 | if (!empty($index)) { | |
| 747 | $result[$index] = true; | |
| 748 | } | |
| 749 | } | |
| 750 | ||
| 751 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 752 | $result = array_change_key_case($result, $db->options['field_case']); | |
| 753 | } | |
| 754 | return array_keys($result); | |
| 755 | } | |
| 756 | ||
| 757 | // }}} | |
| 2273d4 | 758 | // {{{ dropConstraint() |
| A | 759 | |
| 760 | /** | |
| 761 | * drop existing constraint | |
| 762 | * | |
| 763 | * @param string $table name of table that should be used in method | |
| 764 | * @param string $name name of the constraint to be dropped | |
| 765 | * @param string $primary hint if the constraint is primary | |
| 766 | * | |
| 767 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 768 | * @access public | |
| 769 | */ | |
| 770 | function dropConstraint($table, $name, $primary = false) | |
| 771 | { | |
| 772 | $db =& $this->getDBInstance(); | |
| 773 | if (PEAR::isError($db)) { | |
| 774 | return $db; | |
| 775 | } | |
| 776 | ||
| 777 | // is it an UNIQUE index? | |
| 778 | $query = 'SELECT relname | |
| 779 | FROM pg_class | |
| 780 | WHERE oid IN ( | |
| 781 | SELECT indexrelid | |
| 782 | FROM pg_index, pg_class | |
| 783 | WHERE pg_class.relname = '.$db->quote($table, 'text').' | |
| 784 | AND pg_class.oid = pg_index.indrelid | |
| 785 | AND indisunique = \'t\') | |
| 786 | EXCEPT | |
| 787 | SELECT conname | |
| 788 | FROM pg_constraint, pg_class | |
| 789 | WHERE pg_constraint.conrelid = pg_class.oid | |
| 790 | AND relname = '. $db->quote($table, 'text'); | |
| 791 | $unique = $db->queryCol($query, 'text'); | |
| 792 | if (PEAR::isError($unique) || empty($unique)) { | |
| 793 | // not an UNIQUE index, maybe a CONSTRAINT | |
| 794 | return parent::dropConstraint($table, $name, $primary); | |
| 795 | } | |
| 796 | ||
| 797 | if (in_array($name, $unique)) { | |
| 798 | return $db->exec('DROP INDEX '.$db->quoteIdentifier($name, true)); | |
| 799 | } | |
| 800 | $idxname = $db->getIndexName($name); | |
| 801 | if (in_array($idxname, $unique)) { | |
| 802 | return $db->exec('DROP INDEX '.$db->quoteIdentifier($idxname, true)); | |
| 803 | } | |
| 804 | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, | |
| 805 | $name . ' is not an existing constraint for table ' . $table, __FUNCTION__); | |
| 806 | } | |
| 807 | ||
| 808 | // }}} | |
| d1403f | 809 | // {{{ listTableConstraints() |
| A | 810 | |
| 811 | /** | |
| 812 | * list all constraints in a table | |
| 813 | * | |
| 814 | * @param string $table name of table that should be used in method | |
| 815 | * @return mixed array of constraint names on success, a MDB2 error on failure | |
| 816 | * @access public | |
| 817 | */ | |
| 818 | function listTableConstraints($table) | |
| 819 | { | |
| 820 | $db =& $this->getDBInstance(); | |
| 821 | if (PEAR::isError($db)) { | |
| 822 | return $db; | |
| 823 | } | |
| 824 | ||
| 2273d4 | 825 | list($schema, $table) = $this->splitTableSchema($table); |
| A | 826 | |
| d1403f | 827 | $table = $db->quote($table, 'text'); |
| A | 828 | $query = 'SELECT conname |
| 2273d4 | 829 | FROM pg_constraint |
| A | 830 | LEFT JOIN pg_class ON pg_constraint.conrelid = pg_class.oid |
| 831 | LEFT JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid | |
| 832 | WHERE relname = ' .$table; | |
| 833 | if (!empty($schema)) { | |
| 834 | $query .= ' AND pg_namespace.nspname = ' . $db->quote($schema, 'text'); | |
| 835 | } | |
| 836 | $query .= ' | |
| 837 | UNION DISTINCT | |
| 838 | SELECT relname | |
| 839 | FROM pg_class | |
| 840 | WHERE oid IN ( | |
| 841 | SELECT indexrelid | |
| 842 | FROM pg_index | |
| 843 | LEFT JOIN pg_class ON pg_class.oid = pg_index.indrelid | |
| 844 | LEFT JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid | |
| 845 | WHERE pg_class.relname = '.$table.' | |
| 846 | AND indisunique = \'t\''; | |
| 847 | if (!empty($schema)) { | |
| 848 | $query .= ' AND pg_namespace.nspname = ' . $db->quote($schema, 'text'); | |
| 849 | } | |
| 850 | $query .= ')'; | |
| d1403f | 851 | $constraints = $db->queryCol($query); |
| A | 852 | if (PEAR::isError($constraints)) { |
| 853 | return $constraints; | |
| 854 | } | |
| 855 | ||
| 856 | $result = array(); | |
| 857 | foreach ($constraints as $constraint) { | |
| 858 | $constraint = $this->_fixIndexName($constraint); | |
| 859 | if (!empty($constraint)) { | |
| 860 | $result[$constraint] = true; | |
| 861 | } | |
| 862 | } | |
| 863 | ||
| 864 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE | |
| 865 | && $db->options['field_case'] == CASE_LOWER | |
| 866 | ) { | |
| 867 | $result = array_change_key_case($result, $db->options['field_case']); | |
| 868 | } | |
| 869 | return array_keys($result); | |
| 870 | } | |
| 871 | ||
| 872 | // }}} | |
| 873 | // {{{ createSequence() | |
| 874 | ||
| 875 | /** | |
| 876 | * create sequence | |
| 877 | * | |
| 878 | * @param string $seq_name name of the sequence to be created | |
| 879 | * @param string $start start value of the sequence; default is 1 | |
| 880 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 881 | * @access public | |
| 882 | */ | |
| 883 | function createSequence($seq_name, $start = 1) | |
| 884 | { | |
| 885 | $db =& $this->getDBInstance(); | |
| 886 | if (PEAR::isError($db)) { | |
| 887 | return $db; | |
| 888 | } | |
| 889 | ||
| 890 | $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); | |
| 891 | return $db->exec("CREATE SEQUENCE $sequence_name INCREMENT 1". | |
| 892 | ($start < 1 ? " MINVALUE $start" : '')." START $start"); | |
| 893 | } | |
| 894 | ||
| 895 | // }}} | |
| 896 | // {{{ dropSequence() | |
| 897 | ||
| 898 | /** | |
| 899 | * drop existing sequence | |
| 900 | * | |
| 901 | * @param string $seq_name name of the sequence to be dropped | |
| 902 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 903 | * @access public | |
| 904 | */ | |
| 905 | function dropSequence($seq_name) | |
| 906 | { | |
| 907 | $db =& $this->getDBInstance(); | |
| 908 | if (PEAR::isError($db)) { | |
| 909 | return $db; | |
| 910 | } | |
| 911 | ||
| 912 | $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); | |
| 913 | return $db->exec("DROP SEQUENCE $sequence_name"); | |
| 914 | } | |
| 915 | ||
| 916 | // }}} | |
| 917 | // {{{ listSequences() | |
| 918 | ||
| 919 | /** | |
| 920 | * list all sequences in the current database | |
| 921 | * | |
| 922 | * @return mixed array of sequence names on success, a MDB2 error on failure | |
| 923 | * @access public | |
| 924 | */ | |
| 925 | function listSequences() | |
| 926 | { | |
| 927 | $db =& $this->getDBInstance(); | |
| 928 | if (PEAR::isError($db)) { | |
| 929 | return $db; | |
| 930 | } | |
| 931 | ||
| 932 | $query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN"; | |
| 933 | $query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')"; | |
| 934 | $table_names = $db->queryCol($query); | |
| 935 | if (PEAR::isError($table_names)) { | |
| 936 | return $table_names; | |
| 937 | } | |
| 938 | $result = array(); | |
| 939 | foreach ($table_names as $table_name) { | |
| 940 | $result[] = $this->_fixSequenceName($table_name); | |
| 941 | } | |
| 942 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 943 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); | |
| 944 | } | |
| 945 | return $result; | |
| 946 | } | |
| 947 | } | |
| 95ebbc | 948 | ?> |
