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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | |
| 4 | /** |
| 5 | * Implementation of database access using PDO |
| 6 | * |
| 7 | * @category DMS |
| 8 | * @package SeedDMS_Core |
| 9 | * @license GPL 2 |
| 10 | * @version @version@ |
| 11 | * @author Uwe Steinmann <uwe@steinmann.cx> |
| 12 | * @copyright Copyright (C) 2012 Uwe Steinmann |
| 13 | * @version Release: @package_version@ |
| 14 | */ |
| 15 | /** @noinspection PhpUndefinedClassInspection */ |
| 16 | |
| 17 | /** |
| 18 | * Class to represent the database access for the document management |
| 19 | * This class uses PDO for the actual database access. |
| 20 | * |
| 21 | * @category DMS |
| 22 | * @package SeedDMS_Core |
| 23 | * @author Uwe Steinmann <uwe@steinmann.cx> |
| 24 | * @copyright Copyright (C) 2012 Uwe Steinmann |
| 25 | * @version Release: @package_version@ |
| 26 | */ |
| 27 | class SeedDMS_Core_DatabaseAccess { |
| 28 | /** |
| 29 | * @var boolean set to true for debug mode |
| 30 | */ |
| 31 | public $_debug; |
| 32 | |
| 33 | /** |
| 34 | * @var string name of database driver (mysql or sqlite) |
| 35 | */ |
| 36 | protected $_driver; |
| 37 | |
| 38 | /** |
| 39 | * @var string name of hostname |
| 40 | */ |
| 41 | protected $_hostname; |
| 42 | |
| 43 | /** |
| 44 | * @var int port number of database |
| 45 | */ |
| 46 | protected $_port; |
| 47 | |
| 48 | /** |
| 49 | * @var string name of database |
| 50 | */ |
| 51 | protected $_database; |
| 52 | |
| 53 | /** |
| 54 | * @var string name of database user |
| 55 | */ |
| 56 | protected $_user; |
| 57 | |
| 58 | /** |
| 59 | * @var string password of database user |
| 60 | */ |
| 61 | protected $_passw; |
| 62 | |
| 63 | /** |
| 64 | * @var object internal database connection |
| 65 | */ |
| 66 | private $_conn; |
| 67 | |
| 68 | /** |
| 69 | * @var boolean set to true if connection to database is established |
| 70 | */ |
| 71 | private $_connected; |
| 72 | |
| 73 | /** |
| 74 | * @var boolean set to true if temp. table for tree view has been created |
| 75 | */ |
| 76 | private $_ttreviewid; |
| 77 | |
| 78 | /** |
| 79 | * @var boolean set to true if temp. table for approvals has been created |
| 80 | */ |
| 81 | private $_ttapproveid; |
| 82 | |
| 83 | /** |
| 84 | * @var boolean set to true if temp. table for doc status has been created |
| 85 | */ |
| 86 | private $_ttstatid; |
| 87 | |
| 88 | /** |
| 89 | * @var boolean set to true if temp. table for doc content has been created |
| 90 | */ |
| 91 | private $_ttcontentid; |
| 92 | |
| 93 | /** |
| 94 | * @var boolean set to true if in a database transaction |
| 95 | */ |
| 96 | private $_intransaction; |
| 97 | |
| 98 | /** |
| 99 | * @var string set a valid file name for logging all sql queries |
| 100 | */ |
| 101 | private $_logfile; |
| 102 | |
| 103 | /** |
| 104 | * @var resource file pointer of log file |
| 105 | */ |
| 106 | private $_logfp; |
| 107 | |
| 108 | /** |
| 109 | * @var boolean set to true if views instead of temp. tables shall be used |
| 110 | */ |
| 111 | private $_useviews; |
| 112 | |
| 113 | /** |
| 114 | * Return list of all database tables |
| 115 | * |
| 116 | * This function is used to retrieve a list of database tables for backup |
| 117 | * |
| 118 | * @return string[]|bool list of table names |
| 119 | */ |
| 120 | public function TableList() { /* {{{ */ |
| 121 | switch ($this->_driver) { |
| 122 | case 'mysql': |
| 123 | $sql = "SELECT `TABLE_NAME` AS `name` FROM `information_schema`.`tables` WHERE `TABLE_SCHEMA`='".$this->_database."' AND `TABLE_TYPE`='BASE TABLE'"; |
| 124 | break; |
| 125 | case 'sqlite': |
| 126 | $sql = "SELECT tbl_name AS name FROM sqlite_master WHERE type='table'"; |
| 127 | break; |
| 128 | case 'pgsql': |
| 129 | $sql = "select tablename as name from pg_catalog.pg_tables where schemaname='public'"; |
| 130 | break; |
| 131 | default: |
| 132 | return false; |
| 133 | } |
| 134 | $arr = $this->getResultArray($sql); |
| 135 | $res = array(); |
| 136 | foreach ($arr as $tmp) |
| 137 | $res[] = $tmp['name']; |
| 138 | return $res; |
| 139 | } /* }}} */ |
| 140 | |
| 141 | /** |
| 142 | * Check if database has a table |
| 143 | * |
| 144 | * This function will check if the database has a table with the given table name |
| 145 | * |
| 146 | * @return bool true if table exists, otherwise false |
| 147 | */ |
| 148 | public function hasTable($name) { /* {{{ */ |
| 149 | switch ($this->_driver) { |
| 150 | case 'mysql': |
| 151 | $sql = "SELECT `TABLE_NAME` AS `name` FROM `information_schema`.`tables` WHERE `TABLE_SCHEMA`='".$this->_database."' AND `TABLE_TYPE`='BASE TABLE' AND `TABLE_NAME`=".$this->qstr($name); |
| 152 | break; |
| 153 | case 'sqlite': |
| 154 | $sql = "SELECT tbl_name AS name FROM sqlite_master WHERE type='table' AND `tbl_name`=".$this->qstr($name); |
| 155 | break; |
| 156 | case 'pgsql': |
| 157 | $sql = "SELECT tablename AS name FROM pg_catalog.pg_tables WHERE schemaname='public' AND tablename=".$this->qstr($name); |
| 158 | break; |
| 159 | default: |
| 160 | return false; |
| 161 | } |
| 162 | $arr = $this->getResultArray($sql); |
| 163 | if ($arr) |
| 164 | return true; |
| 165 | return false; |
| 166 | } /* }}} */ |
| 167 | |
| 168 | /** |
| 169 | * Check if table has a field |
| 170 | * |
| 171 | * This function will check if the table has a field with the given name |
| 172 | * |
| 173 | * @return bool true if table exists, otherwise false |
| 174 | */ |
| 175 | public function hasTableField($name, $fieldname) { /* {{{ */ |
| 176 | switch ($this->_driver) { |
| 177 | case 'mysql': |
| 178 | $sql = "SHOW COLUMNS FROM `".$name."` LIKE ".$this->qstr($fieldname); |
| 179 | break; |
| 180 | case 'sqlite': |
| 181 | $sql = "SELECT * FROM pragma_table_info(".$this->qstr($name).") WHERE name=".$this->qstr($fieldname); |
| 182 | break; |
| 183 | case 'pgsql': |
| 184 | $sql = "SELECT column_name FROM information_schema.columns WHERE table_name=".$this->qstr($name)." and column_name=".$this->qstr($fieldname); |
| 185 | break; |
| 186 | default: |
| 187 | return false; |
| 188 | } |
| 189 | $arr = $this->getResultArray($sql); |
| 190 | return $arr; |
| 191 | } /* }}} */ |
| 192 | |
| 193 | /** |
| 194 | * Return list of all database views |
| 195 | * |
| 196 | * This function is used to retrieve a list of database views |
| 197 | * |
| 198 | * @return array list of view names |
| 199 | */ |
| 200 | public function ViewList() { /* {{{ */ |
| 201 | switch ($this->_driver) { |
| 202 | case 'mysql': |
| 203 | $sql = "select TABLE_NAME as name from information_schema.views where TABLE_SCHEMA='".$this->_database."'"; |
| 204 | break; |
| 205 | case 'sqlite': |
| 206 | $sql = "select tbl_name as name from sqlite_master where type='view'"; |
| 207 | break; |
| 208 | case 'pgsql': |
| 209 | $sql = "select viewname as name from pg_catalog.pg_views where schemaname='public'"; |
| 210 | break; |
| 211 | default: |
| 212 | return false; |
| 213 | } |
| 214 | $arr = $this->getResultArray($sql); |
| 215 | $res = array(); |
| 216 | foreach ($arr as $tmp) |
| 217 | $res[] = $tmp['name']; |
| 218 | return $res; |
| 219 | } /* }}} */ |
| 220 | |
| 221 | /** |
| 222 | * Constructor of SeedDMS_Core_DatabaseAccess |
| 223 | * |
| 224 | * Sets all database parameters but does not connect. |
| 225 | * |
| 226 | * @param string $driver the database type e.g. mysql, sqlite |
| 227 | * @param string $hostname host of database server |
| 228 | * @param string $user name of user having access to database |
| 229 | * @param string $passw password of user |
| 230 | * @param bool|string $database name of database |
| 231 | */ |
| 232 | public function __construct($driver, $hostname, $user, $passw, $database = false) { /* {{{ */ |
| 233 | $this->_driver = $driver; |
| 234 | $tmp = explode(":", $hostname); |
| 235 | $this->_hostname = $tmp[0]; |
| 236 | $this->_port = null; |
| 237 | if (!empty($tmp[1])) |
| 238 | $this->_port = $tmp[1]; |
| 239 | $this->_database = $database; |
| 240 | $this->_user = $user; |
| 241 | $this->_passw = $passw; |
| 242 | $this->_connected = false; |
| 243 | $this->_intransaction = 0; |
| 244 | $this->_logfile = ''; |
| 245 | if ($this->_logfile) { |
| 246 | $this->_logfp = fopen($this->_logfile, 'a+'); |
| 247 | if ($this->_logfp) |
| 248 | fwrite($this->_logfp, microtime(true)." BEGIN ".$_SERVER['REQUEST_URI']." ------------------------------------------\n"); |
| 249 | } else { |
| 250 | $this->_logfp = null; |
| 251 | } |
| 252 | // $tt*****id is a hack to ensure that we do not try to create the |
| 253 | // temporary table twice during a single connection. Can be fixed by |
| 254 | // using Views (MySQL 5.0 onward) instead of temporary tables. |
| 255 | // CREATE ... IF NOT EXISTS cannot be used because it has the |
| 256 | // unpleasant side-effect of performing the insert again even if the |
| 257 | // table already exists. |
| 258 | // |
| 259 | // See createTemporaryTable() method for implementation. |
| 260 | $this->_ttreviewid = false; |
| 261 | $this->_ttapproveid = false; |
| 262 | $this->_ttstatid = false; |
| 263 | $this->_ttcontentid = false; |
| 264 | $this->_useviews = false; // turn off views, because they are much slower then temp. tables. They also break the transaction management, because dropping a view will commit the current transaction. |
| 265 | $this->_debug = false; |
| 266 | } /* }}} */ |
| 267 | |
| 268 | /** |
| 269 | * Return driver |
| 270 | * |
| 271 | * @return string name of driver as set in constructor |
| 272 | */ |
| 273 | public function getDriver() { /* {{{ */ |
| 274 | return $this->_driver; |
| 275 | } /* }}} */ |
| 276 | |
| 277 | /** |
| 278 | * Turn on views instead of temp. tables |
| 279 | * |
| 280 | * @param bool $onoff turn use of views instead of temp. table on/off |
| 281 | */ |
| 282 | public function useViews($onoff) { /* {{{ */ |
| 283 | $this->_useviews = $onoff; |
| 284 | } /* }}} */ |
| 285 | |
| 286 | /** |
| 287 | * Destructor of SeedDMS_Core_DatabaseAccess |
| 288 | */ |
| 289 | public function __destruct() { /* {{{ */ |
| 290 | if ($this->_logfile && $this->_logfp) { |
| 291 | fwrite($this->_logfp, microtime(true)." END --------------------------------------------\n"); |
| 292 | fclose($this->_logfp); |
| 293 | } |
| 294 | } /* }}} */ |
| 295 | |
| 296 | /** |
| 297 | * Set the file pointer to a log file |
| 298 | * |
| 299 | * Once it is set, all queries will be logged into this file |
| 300 | */ |
| 301 | public function setLogFp($fp) { /* {{{ */ |
| 302 | $this->_logfp = $fp; |
| 303 | } /* }}} */ |
| 304 | |
| 305 | /** |
| 306 | * Connect to database |
| 307 | * |
| 308 | * @return boolean true if connection could be established, otherwise false |
| 309 | */ |
| 310 | public function connect() { /* {{{ */ |
| 311 | switch ($this->_driver) { |
| 312 | case 'mysql': |
| 313 | case 'mysqli': |
| 314 | case 'mysqlnd': |
| 315 | case 'pgsql': |
| 316 | $dsn = $this->_driver.":dbname=".$this->_database.";host=".$this->_hostname; |
| 317 | if ($this->_port) |
| 318 | $dsn .= ";port=".$this->_port; |
| 319 | break; |
| 320 | case 'sqlite': |
| 321 | $dsn = $this->_driver.":".$this->_database; |
| 322 | break; |
| 323 | } |
| 324 | try { |
| 325 | /** @noinspection PhpUndefinedVariableInspection */ |
| 326 | $this->_conn = new PDO($dsn, $this->_user, $this->_passw); |
| 327 | if (!$this->_conn) |
| 328 | return false; |
| 329 | /* Prevent PDO from throwing an exception because the code currently |
| 330 | * cannot handle it. PDO::ERRMODE_EXCEPTION became the default as of php 8.0.0 |
| 331 | * PDO::ERRMODE_SILENT was the default before php 8.0.0 |
| 332 | */ |
| 333 | $this->_conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_SILENT); |
| 334 | |
| 335 | switch ($this->_driver) { |
| 336 | case 'mysql': |
| 337 | $this->_conn->exec('SET NAMES utf8mb4'); |
| 338 | // $this->_conn->setAttribute(PDO::ATTR_AUTOCOMMIT, FALSE); |
| 339 | /* Turn this on if you want strict checking of default values, etc. */ |
| 340 | /* $this->_conn->exec("SET SESSION sql_mode = 'STRICT_TRANS_TABLES'"); */ |
| 341 | /* The following is the default on Ubuntu 16.04 */ |
| 342 | /* $this->_conn->exec("SET SESSION sql_mode = 'ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'"); */ |
| 343 | break; |
| 344 | case 'sqlite': |
| 345 | $this->_conn->exec('PRAGMA foreign_keys = ON'); |
| 346 | break; |
| 347 | } |
| 348 | } catch (Exception $e) { |
| 349 | return false; |
| 350 | } |
| 351 | if ($this->_useviews) { |
| 352 | $tmp = $this->ViewList(); |
| 353 | foreach (array('ttreviewid', 'ttapproveid', 'ttstatid', 'ttcontentid') as $viewname) { |
| 354 | if (in_array($viewname, $tmp)) { |
| 355 | $this->{"_".$viewname} = true; |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | $this->_connected = true; |
| 361 | return true; |
| 362 | } /* }}} */ |
| 363 | |
| 364 | /** |
| 365 | * Make sure a database connection exisits |
| 366 | * |
| 367 | * This function checks for a database connection. If it does not exists |
| 368 | * it will reconnect. |
| 369 | * |
| 370 | * @return boolean true if connection is established, otherwise false |
| 371 | */ |
| 372 | public function ensureConnected() { /* {{{ */ |
| 373 | if (!$this->_connected) { |
| 374 | return $this->connect(); |
| 375 | } else { |
| 376 | return true; |
| 377 | } |
| 378 | } /* }}} */ |
| 379 | |
| 380 | /** |
| 381 | * Sanitize String used in database operations |
| 382 | * |
| 383 | * @param string $text |
| 384 | * @return string sanitized string |
| 385 | */ |
| 386 | public function qstr(?string $text): string { /* {{{ */ |
| 387 | return is_null($text) ? 'NULL' : $this->_conn->quote($text); |
| 388 | } /* }}} */ |
| 389 | |
| 390 | /** |
| 391 | * Replace back ticks by '"' |
| 392 | * |
| 393 | * @param string $text |
| 394 | * @return string sanitized string |
| 395 | */ |
| 396 | public function rbt($text) { /* {{{ */ |
| 397 | return str_replace('`', '"', $text); |
| 398 | } /* }}} */ |
| 399 | |
| 400 | /** |
| 401 | * Return sql to concat strings or fields |
| 402 | * |
| 403 | * @param array $arr list of field names or strings |
| 404 | * @return string concated string |
| 405 | */ |
| 406 | public function concat($arr) { /* {{{ */ |
| 407 | switch ($this->_driver) { |
| 408 | case 'mysql': |
| 409 | return 'concat('.implode(',', $arr).')'; |
| 410 | break; |
| 411 | case 'pgsql': |
| 412 | return implode(' || ', $arr); |
| 413 | break; |
| 414 | case 'sqlite': |
| 415 | return implode(' || ', $arr); |
| 416 | break; |
| 417 | } |
| 418 | return ''; |
| 419 | } /* }}} */ |
| 420 | |
| 421 | /** |
| 422 | * Execute SQL query and return result |
| 423 | * |
| 424 | * Call this function only with sql query which return data records. |
| 425 | * |
| 426 | * @param string $queryStr sql query |
| 427 | * @param bool $retick |
| 428 | * @return array|bool data if query could be executed otherwise false |
| 429 | */ |
| 430 | public function getResultArray($queryStr, $retick = true) { /* {{{ */ |
| 431 | $resArr = array(); |
| 432 | |
| 433 | if ($retick && $this->_driver == 'pgsql') { |
| 434 | $queryStr = $this->rbt($queryStr); |
| 435 | } |
| 436 | |
| 437 | if ($this->_logfp) { |
| 438 | fwrite($this->_logfp, microtime(true)." ".($this->_conn->inTransaction() ? '*' : ' ')." ".$queryStr."\n"); |
| 439 | } |
| 440 | $res = $this->_conn->query($queryStr); |
| 441 | if ($res === false) { |
| 442 | if ($this->_debug) { |
| 443 | echo "error: ".$queryStr."<br />"; |
| 444 | print_r($this->_conn->errorInfo()); |
| 445 | } |
| 446 | return false; |
| 447 | } |
| 448 | $resArr = $res->fetchAll(PDO::FETCH_ASSOC); |
| 449 | // $res->Close(); |
| 450 | return $resArr; |
| 451 | } /* }}} */ |
| 452 | |
| 453 | /** |
| 454 | * Execute SQL query and return records one by one |
| 455 | * |
| 456 | * Call this function only with sql query which return data records. |
| 457 | * |
| 458 | * @param string $queryStr sql query |
| 459 | * @param bool $retick |
| 460 | * @return array|bool data if query could be executed otherwise false |
| 461 | */ |
| 462 | public function fetchResult($queryStr, $retick = true) { /* {{{ */ |
| 463 | $resArr = array(); |
| 464 | |
| 465 | if ($retick && $this->_driver == 'pgsql') { |
| 466 | $queryStr = $this->rbt($queryStr); |
| 467 | } |
| 468 | |
| 469 | if ($this->_logfp) { |
| 470 | fwrite($this->_logfp, microtime(true)." ".($this->_conn->inTransaction() ? '*' : ' ')." ".$queryStr."\n"); |
| 471 | } |
| 472 | $res = $this->_conn->query($queryStr); |
| 473 | if ($res === false) { |
| 474 | if ($this->_debug) { |
| 475 | echo "error: ".$queryStr."<br />"; |
| 476 | print_r($this->_conn->errorInfo()); |
| 477 | } |
| 478 | return false; |
| 479 | } |
| 480 | while ($resArr = $res->fetch(PDO::FETCH_ASSOC)) { |
| 481 | yield $resArr; |
| 482 | } |
| 483 | return null; |
| 484 | } /* }}} */ |
| 485 | |
| 486 | /** |
| 487 | * Execute SQL query |
| 488 | * |
| 489 | * Call this function only with sql query which do not return data records. |
| 490 | * |
| 491 | * @param string $queryStr sql query |
| 492 | * @param boolean $retick replace all '`' by '"' |
| 493 | * @return boolean true if query could be executed otherwise false |
| 494 | */ |
| 495 | public function getResult($queryStr, $retick = true) { /* {{{ */ |
| 496 | if ($retick && $this->_driver == 'pgsql') { |
| 497 | $queryStr = $this->rbt($queryStr); |
| 498 | } |
| 499 | |
| 500 | if ($this->_logfp) { |
| 501 | fwrite($this->_logfp, microtime(true)." ".($this->_conn->inTransaction() ? '*' : ' ')." ".$queryStr."\n"); |
| 502 | } |
| 503 | $res = $this->_conn->exec($queryStr); |
| 504 | if ($res === false) { |
| 505 | if ($this->_debug) { |
| 506 | echo "error: ".$queryStr."<br />"; |
| 507 | print_r($this->_conn->errorInfo()); |
| 508 | } |
| 509 | return false; |
| 510 | } else { |
| 511 | return true; |
| 512 | } |
| 513 | |
| 514 | return $res; |
| 515 | } /* }}} */ |
| 516 | |
| 517 | public function startTransaction() { /* {{{ */ |
| 518 | if (!$this->_intransaction) { |
| 519 | $this->_conn->beginTransaction(); |
| 520 | } |
| 521 | $this->_intransaction++; |
| 522 | if ($this->_logfp) { |
| 523 | fwrite($this->_logfp, microtime(true)." ".($this->_conn->inTransaction() ? '*' : ' ')." START ".$this->_intransaction."\n"); |
| 524 | } |
| 525 | } /* }}} */ |
| 526 | |
| 527 | public function rollbackTransaction() { /* {{{ */ |
| 528 | if ($this->_logfp) { |
| 529 | fwrite($this->_logfp, microtime(true)." ".($this->_conn->inTransaction() ? '*' : ' ')." ROLLBACK ".$this->_intransaction."\n"); |
| 530 | } |
| 531 | if ($this->_intransaction == 1) { |
| 532 | $this->_conn->rollBack(); |
| 533 | } |
| 534 | $this->_intransaction--; |
| 535 | } /* }}} */ |
| 536 | |
| 537 | public function commitTransaction() { /* {{{ */ |
| 538 | if ($this->_logfp) { |
| 539 | fwrite($this->_logfp, microtime(true)." ".($this->_conn->inTransaction() ? '*' : ' ')." COMMIT ".$this->_intransaction."\n"); |
| 540 | } |
| 541 | if ($this->_intransaction == 1) { |
| 542 | $this->_conn->commit(); |
| 543 | } |
| 544 | $this->_intransaction--; |
| 545 | } /* }}} */ |
| 546 | |
| 547 | public function inTransaction() { /* {{{ */ |
| 548 | return $this->_conn->inTransaction(); |
| 549 | } /* }}} */ |
| 550 | |
| 551 | /** |
| 552 | * Return the id of the last instert record |
| 553 | * |
| 554 | * @param string $tablename |
| 555 | * @param string $fieldname |
| 556 | * @return int id used in last autoincrement |
| 557 | */ |
| 558 | public function getInsertID($tablename = '', $fieldname = 'id') { /* {{{ */ |
| 559 | if ($this->_driver == 'pgsql') { |
| 560 | return $this->_conn->lastInsertId('"'.$tablename.'_'.$fieldname.'_seq"'); |
| 561 | } else { |
| 562 | return $this->_conn->lastInsertId(); |
| 563 | } |
| 564 | } /* }}} */ |
| 565 | |
| 566 | public function getErrorMsg() { /* {{{ */ |
| 567 | $info = $this->_conn->errorInfo(); |
| 568 | return($info[2]); |
| 569 | } /* }}} */ |
| 570 | |
| 571 | public function getErrorNo() { /* {{{ */ |
| 572 | return $this->_conn->errorCode(); |
| 573 | } /* }}} */ |
| 574 | |
| 575 | /** |
| 576 | * Create various temporary tables to speed up and simplify sql queries |
| 577 | * |
| 578 | * @param string $tableName |
| 579 | * @param bool $override |
| 580 | * @return bool |
| 581 | */ |
| 582 | private function __createTemporaryTable($tableName, $override = false) { /* {{{ */ |
| 583 | if (!strcasecmp($tableName, "ttreviewid")) { |
| 584 | switch ($this->_driver) { |
| 585 | case 'sqlite': |
| 586 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttreviewid` AS ". |
| 587 | "SELECT `tblDocumentReviewLog`.`reviewID` AS `reviewID`, ". |
| 588 | "MAX(`tblDocumentReviewLog`.`reviewLogID`) AS `maxLogID` ". |
| 589 | "FROM `tblDocumentReviewLog` ". |
| 590 | "GROUP BY `tblDocumentReviewLog`.`reviewID` "; //. |
| 591 | // "ORDER BY `maxLogID`"; |
| 592 | $queryStr .= "; CREATE INDEX `ttreviewid_idx` ON `ttreviewid` (`reviewID`);"; |
| 593 | $dropStr = "DROP TABLE IF EXISTS `ttreviewid`"; |
| 594 | break; |
| 595 | case 'pgsql': |
| 596 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttreviewid` (`reviewID` INTEGER, `maxLogID` INTEGER, PRIMARY KEY (`reviewID`));". |
| 597 | "INSERT INTO `ttreviewid` SELECT `tblDocumentReviewLog`.`reviewID`, ". |
| 598 | "MAX(`tblDocumentReviewLog`.`reviewLogID`) AS `maxLogID` ". |
| 599 | "FROM `tblDocumentReviewLog` ". |
| 600 | "GROUP BY `tblDocumentReviewLog`.`reviewID` ";//. |
| 601 | // "ORDER BY `maxLogID`"; |
| 602 | $dropStr = "DROP TABLE IF EXISTS `ttreviewid`"; |
| 603 | break; |
| 604 | default: |
| 605 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttreviewid` (PRIMARY KEY (`reviewID`), INDEX (`maxLogID`)) ". |
| 606 | "SELECT `tblDocumentReviewLog`.`reviewID`, ". |
| 607 | "MAX(`tblDocumentReviewLog`.`reviewLogID`) AS `maxLogID` ". |
| 608 | "FROM `tblDocumentReviewLog` ". |
| 609 | "GROUP BY `tblDocumentReviewLog`.`reviewID` "; //. |
| 610 | // "ORDER BY `maxLogID`"; |
| 611 | $dropStr = "DROP TEMPORARY TABLE IF EXISTS `ttreviewid`"; |
| 612 | } |
| 613 | if (!$this->_ttreviewid) { |
| 614 | if (!$this->getResult($queryStr)) |
| 615 | return false; |
| 616 | $this->_ttreviewid = true; |
| 617 | } else { |
| 618 | if (is_bool($override) && $override) { |
| 619 | if (!$this->getResult($dropStr)) |
| 620 | return false; |
| 621 | if (!$this->getResult($queryStr)) |
| 622 | return false; |
| 623 | } |
| 624 | } |
| 625 | return $this->_ttreviewid; |
| 626 | } elseif (!strcasecmp($tableName, "ttapproveid")) { |
| 627 | switch ($this->_driver) { |
| 628 | case 'sqlite': |
| 629 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttapproveid` AS ". |
| 630 | "SELECT `tblDocumentApproveLog`.`approveID` AS `approveID`, ". |
| 631 | "MAX(`tblDocumentApproveLog`.`approveLogID`) AS `maxLogID` ". |
| 632 | "FROM `tblDocumentApproveLog` ". |
| 633 | "GROUP BY `tblDocumentApproveLog`.`approveID` "; //. |
| 634 | // "ORDER BY `maxLogID`"; |
| 635 | $queryStr .= "; CREATE INDEX `ttapproveid_idx` ON `ttapproveid` (`approveID`);"; |
| 636 | $dropStr = "DROP TABLE IF EXISTS `ttapproveid`"; |
| 637 | break; |
| 638 | case 'pgsql': |
| 639 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttapproveid` (`approveID` INTEGER, `maxLogID` INTEGER, PRIMARY KEY (`approveID`));". |
| 640 | "INSERT INTO `ttapproveid` SELECT `tblDocumentApproveLog`.`approveID`, ". |
| 641 | "MAX(`tblDocumentApproveLog`.`approveLogID`) AS `maxLogID` ". |
| 642 | "FROM `tblDocumentApproveLog` ". |
| 643 | "GROUP BY `tblDocumentApproveLog`.`approveID` "; //. |
| 644 | // "ORDER BY `maxLogID`"; |
| 645 | $dropStr = "DROP TABLE IF EXISTS `ttapproveid`"; |
| 646 | break; |
| 647 | default: |
| 648 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttapproveid` (PRIMARY KEY (`approveID`), INDEX (`maxLogID`)) ". |
| 649 | "SELECT `tblDocumentApproveLog`.`approveID`, ". |
| 650 | "MAX(`tblDocumentApproveLog`.`approveLogID`) AS `maxLogID` ". |
| 651 | "FROM `tblDocumentApproveLog` ". |
| 652 | "GROUP BY `tblDocumentApproveLog`.`approveID` "; //. |
| 653 | // "ORDER BY `maxLogID`"; |
| 654 | $dropStr = "DROP TEMPORARY TABLE IF EXISTS `ttapproveid`"; |
| 655 | } |
| 656 | if (!$this->_ttapproveid) { |
| 657 | if (!$this->getResult($queryStr)) |
| 658 | return false; |
| 659 | $this->_ttapproveid = true; |
| 660 | } else { |
| 661 | if (is_bool($override) && $override) { |
| 662 | if (!$this->getResult($dropStr)) |
| 663 | return false; |
| 664 | if (!$this->getResult($queryStr)) |
| 665 | return false; |
| 666 | } |
| 667 | } |
| 668 | return $this->_ttapproveid; |
| 669 | } elseif (!strcasecmp($tableName, "ttstatid")) { |
| 670 | switch ($this->_driver) { |
| 671 | case 'sqlite': |
| 672 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttstatid` AS ". |
| 673 | "SELECT `tblDocumentStatusLog`.`statusID` AS `statusID`, ". |
| 674 | "MAX(`tblDocumentStatusLog`.`statusLogID`) AS `maxLogID` ". |
| 675 | "FROM `tblDocumentStatusLog` ". |
| 676 | "GROUP BY `tblDocumentStatusLog`.`statusID` "; //. |
| 677 | // "ORDER BY `maxLogID`"; |
| 678 | $queryStr .= "; CREATE INDEX `ttstatid_idx` ON `ttstatid` (`statusID`);"; |
| 679 | $dropStr = "DROP TABLE IF EXISTS `ttstatid`"; |
| 680 | break; |
| 681 | case 'pgsql': |
| 682 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttstatid` (`statusID` INTEGER, `maxLogID` INTEGER, PRIMARY KEY (`statusID`));". |
| 683 | "INSERT INTO `ttstatid` SELECT `tblDocumentStatusLog`.`statusID`, ". |
| 684 | "MAX(`tblDocumentStatusLog`.`statusLogID`) AS `maxLogID` ". |
| 685 | "FROM `tblDocumentStatusLog` ". |
| 686 | "GROUP BY `tblDocumentStatusLog`.`statusID` "; //. |
| 687 | // "ORDER BY `maxLogID`"; |
| 688 | $dropStr = "DROP TABLE IF EXISTS `ttstatid`"; |
| 689 | break; |
| 690 | default: |
| 691 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttstatid` (PRIMARY KEY (`statusID`), INDEX (`maxLogID`)) ". |
| 692 | "SELECT `tblDocumentStatusLog`.`statusID`, ". |
| 693 | "MAX(`tblDocumentStatusLog`.`statusLogID`) AS `maxLogID` ". |
| 694 | "FROM `tblDocumentStatusLog` ". |
| 695 | "GROUP BY `tblDocumentStatusLog`.`statusID` "; //. |
| 696 | // "ORDER BY `maxLogID`"; |
| 697 | $dropStr = "DROP TEMPORARY TABLE IF EXISTS `ttstatid`"; |
| 698 | } |
| 699 | if (!$this->_ttstatid) { |
| 700 | if (!$this->getResult($queryStr)) |
| 701 | return false; |
| 702 | $this->_ttstatid = true; |
| 703 | } else { |
| 704 | if (is_bool($override) && $override) { |
| 705 | if (!$this->getResult($dropStr)) |
| 706 | return false; |
| 707 | if (!$this->getResult($queryStr)) |
| 708 | return false; |
| 709 | } |
| 710 | } |
| 711 | return $this->_ttstatid; |
| 712 | } elseif (!strcasecmp($tableName, "ttcontentid")) { |
| 713 | switch ($this->_driver) { |
| 714 | case 'sqlite': |
| 715 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttcontentid` AS ". |
| 716 | "SELECT `tblDocumentContent`.`document` AS `document`, ". |
| 717 | "MAX(`tblDocumentContent`.`version`) AS `maxVersion` ". |
| 718 | "FROM `tblDocumentContent` ". |
| 719 | "GROUP BY `tblDocumentContent`.`document` ". |
| 720 | "ORDER BY `tblDocumentContent`.`document`"; |
| 721 | $dropStr = "DROP TABLE IF EXISTS `ttcontentid`"; |
| 722 | break; |
| 723 | case 'pgsql': |
| 724 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttcontentid` (`document` INTEGER, `maxVersion` INTEGER, PRIMARY KEY (`document`)); ". |
| 725 | "INSERT INTO `ttcontentid` SELECT `tblDocumentContent`.`document` AS `document`, ". |
| 726 | "MAX(`tblDocumentContent`.`version`) AS `maxVersion` ". |
| 727 | "FROM `tblDocumentContent` ". |
| 728 | "GROUP BY `tblDocumentContent`.`document` ". |
| 729 | "ORDER BY `tblDocumentContent`.`document`"; |
| 730 | $dropStr = "DROP TABLE IF EXISTS `ttcontentid`"; |
| 731 | break; |
| 732 | default: |
| 733 | $queryStr = "CREATE TEMPORARY TABLE IF NOT EXISTS `ttcontentid` (PRIMARY KEY (`document`), INDEX (`maxVersion`)) ". |
| 734 | "SELECT `tblDocumentContent`.`document`, ". |
| 735 | "MAX(`tblDocumentContent`.`version`) AS `maxVersion` ". |
| 736 | "FROM `tblDocumentContent` ". |
| 737 | "GROUP BY `tblDocumentContent`.`document` ". |
| 738 | "ORDER BY `tblDocumentContent`.`document`"; |
| 739 | $dropStr = "DROP TEMPORARY TABLE IF EXISTS `ttcontentid`"; |
| 740 | } |
| 741 | if (!$this->_ttcontentid) { |
| 742 | if (!$this->getResult($queryStr)) |
| 743 | return false; |
| 744 | $this->_ttcontentid = true; |
| 745 | } else { |
| 746 | if (is_bool($override) && $override) { |
| 747 | if (!$this->getResult($dropStr)) |
| 748 | return false; |
| 749 | if (!$this->getResult($queryStr)) |
| 750 | return false; |
| 751 | } |
| 752 | } |
| 753 | return $this->_ttcontentid; |
| 754 | } |
| 755 | return false; |
| 756 | } /* }}} */ |
| 757 | |
| 758 | /** |
| 759 | * Drop various temporary tables to enforce recreation when needed |
| 760 | * |
| 761 | * @param string $tableName |
| 762 | * |
| 763 | * @return bool |
| 764 | */ |
| 765 | private function __dropTemporaryTable($tableName) { /* {{{ */ |
| 766 | $queryStr = ''; |
| 767 | if ($this->_driver == 'sqlite' || $this->_driver == 'pgsql') { |
| 768 | $t = ''; |
| 769 | } else { |
| 770 | $t = 'TEMPORARY'; |
| 771 | } |
| 772 | if (!strcasecmp($tableName, "ttreviewid")) { |
| 773 | $queryStr = "DROP ".$t." TABLE IF EXISTS `ttreviewid`"; |
| 774 | } elseif (!strcasecmp($tableName, "ttapproveid")) { |
| 775 | $queryStr = "DROP ".$t." TABLE IF EXISTS `ttapproveid`"; |
| 776 | } elseif (!strcasecmp($tableName, "ttstatid")) { |
| 777 | $queryStr = "DROP ".$t." TABLE IF EXISTS `ttstatid`"; |
| 778 | } elseif (!strcasecmp($tableName, "ttcontentid")) { |
| 779 | $queryStr = "DROP ".$t." TABLE IF EXISTS `ttcontentid`"; |
| 780 | } |
| 781 | if ($queryStr) { |
| 782 | if (!$this->getResult($queryStr)) { |
| 783 | return false; |
| 784 | } else { |
| 785 | $this->{'_'.$tableName} = false; |
| 786 | return true; |
| 787 | } |
| 788 | } |
| 789 | return false; |
| 790 | } /* }}} */ |
| 791 | |
| 792 | /** |
| 793 | * Create various views to speed up and simplify sql queries |
| 794 | * |
| 795 | * @param string $tableName |
| 796 | * @param bool $override |
| 797 | * |
| 798 | * @return bool |
| 799 | */ |
| 800 | private function __createView($tableName, $override = false) { /* {{{ */ |
| 801 | if (!strcasecmp($tableName, "ttreviewid")) { |
| 802 | switch ($this->_driver) { |
| 803 | case 'sqlite': |
| 804 | $queryStr = "CREATE VIEW IF NOT EXISTS `ttreviewid` AS ". |
| 805 | "SELECT `tblDocumentReviewLog`.`reviewID` AS `reviewID`, ". |
| 806 | "MAX(`tblDocumentReviewLog`.`reviewLogID`) AS `maxLogID` ". |
| 807 | "FROM `tblDocumentReviewLog` ". |
| 808 | "GROUP BY `tblDocumentReviewLog`.`reviewID` "; //. |
| 809 | break; |
| 810 | case 'pgsql': |
| 811 | $queryStr = "CREATE VIEW `ttreviewid` AS ". |
| 812 | "SELECT `tblDocumentReviewLog`.`reviewID` AS `reviewID`, ". |
| 813 | "MAX(`tblDocumentReviewLog`.`reviewLogID`) AS `maxLogID` ". |
| 814 | "FROM `tblDocumentReviewLog` ". |
| 815 | "GROUP BY `tblDocumentReviewLog`.`reviewID` "; |
| 816 | break; |
| 817 | default: |
| 818 | $queryStr = "CREATE".($override ? " OR REPLACE" : "")." VIEW `ttreviewid` AS ". |
| 819 | "SELECT `tblDocumentReviewLog`.`reviewID` AS `reviewID`, ". |
| 820 | "MAX(`tblDocumentReviewLog`.`reviewLogID`) AS `maxLogID` ". |
| 821 | "FROM `tblDocumentReviewLog` ". |
| 822 | "GROUP BY `tblDocumentReviewLog`.`reviewID` "; |
| 823 | } |
| 824 | if (!$this->_ttreviewid) { |
| 825 | if (!$this->getResult($queryStr)) |
| 826 | return false; |
| 827 | $this->_ttreviewid = true; |
| 828 | } else { |
| 829 | if (is_bool($override) && $override) { |
| 830 | // if (!$this->getResult("DROP VIEW `ttreviewid`")) |
| 831 | // return false; |
| 832 | if (!$this->getResult($queryStr)) |
| 833 | return false; |
| 834 | } |
| 835 | } |
| 836 | return $this->_ttreviewid; |
| 837 | } elseif (!strcasecmp($tableName, "ttapproveid")) { |
| 838 | switch ($this->_driver) { |
| 839 | case 'sqlite': |
| 840 | $queryStr = "CREATE VIEW IF NOT EXISTS `ttapproveid` AS ". |
| 841 | "SELECT `tblDocumentApproveLog`.`approveID` AS `approveID`, ". |
| 842 | "MAX(`tblDocumentApproveLog`.`approveLogID`) AS `maxLogID` ". |
| 843 | "FROM `tblDocumentApproveLog` ". |
| 844 | "GROUP BY `tblDocumentApproveLog`.`approveID` "; //. |
| 845 | break; |
| 846 | case 'pgsql': |
| 847 | $queryStr = "CREATE VIEW `ttapproveid` AS ". |
| 848 | "SELECT `tblDocumentApproveLog`.`approveID` AS `approveID`, ". |
| 849 | "MAX(`tblDocumentApproveLog`.`approveLogID`) AS `maxLogID` ". |
| 850 | "FROM `tblDocumentApproveLog` ". |
| 851 | "GROUP BY `tblDocumentApproveLog`.`approveID` "; |
| 852 | break; |
| 853 | default: |
| 854 | $queryStr = "CREATE".($override ? " OR REPLACE" : "")." VIEW `ttapproveid` AS ". |
| 855 | "SELECT `tblDocumentApproveLog`.`approveID`, ". |
| 856 | "MAX(`tblDocumentApproveLog`.`approveLogID`) AS `maxLogID` ". |
| 857 | "FROM `tblDocumentApproveLog` ". |
| 858 | "GROUP BY `tblDocumentApproveLog`.`approveID` "; |
| 859 | } |
| 860 | if (!$this->_ttapproveid) { |
| 861 | if (!$this->getResult($queryStr)) |
| 862 | return false; |
| 863 | $this->_ttapproveid = true; |
| 864 | } else { |
| 865 | if (is_bool($override) && $override) { |
| 866 | // if (!$this->getResult("DROP VIEW `ttapproveid`")) |
| 867 | // return false; |
| 868 | if (!$this->getResult($queryStr)) |
| 869 | return false; |
| 870 | } |
| 871 | } |
| 872 | return $this->_ttapproveid; |
| 873 | } elseif (!strcasecmp($tableName, "ttstatid")) { |
| 874 | switch ($this->_driver) { |
| 875 | case 'sqlite': |
| 876 | $queryStr = "CREATE VIEW IF NOT EXISTS `ttstatid` AS ". |
| 877 | "SELECT `tblDocumentStatusLog`.`statusID` AS `statusID`, ". |
| 878 | "MAX(`tblDocumentStatusLog`.`statusLogID`) AS `maxLogID` ". |
| 879 | "FROM `tblDocumentStatusLog` ". |
| 880 | "GROUP BY `tblDocumentStatusLog`.`statusID` "; |
| 881 | break; |
| 882 | case 'pgsql': |
| 883 | $queryStr = "CREATE VIEW `ttstatid` AS ". |
| 884 | "SELECT `tblDocumentStatusLog`.`statusID` AS `statusID`, ". |
| 885 | "MAX(`tblDocumentStatusLog`.`statusLogID`) AS `maxLogID` ". |
| 886 | "FROM `tblDocumentStatusLog` ". |
| 887 | "GROUP BY `tblDocumentStatusLog`.`statusID` "; |
| 888 | break; |
| 889 | default: |
| 890 | $queryStr = "CREATE".($override ? " OR REPLACE" : "")." VIEW `ttstatid` AS ". |
| 891 | "SELECT `tblDocumentStatusLog`.`statusID`, ". |
| 892 | "MAX(`tblDocumentStatusLog`.`statusLogID`) AS `maxLogID` ". |
| 893 | "FROM `tblDocumentStatusLog` ". |
| 894 | "GROUP BY `tblDocumentStatusLog`.`statusID` "; |
| 895 | } |
| 896 | if (!$this->_ttstatid) { |
| 897 | if (!$this->getResult($queryStr)) |
| 898 | return false; |
| 899 | $this->_ttstatid = true; |
| 900 | } else { |
| 901 | if (is_bool($override) && $override) { |
| 902 | // if (!$this->getResult("DROP VIEW `ttstatid`")) |
| 903 | // return false; |
| 904 | if (!$this->getResult($queryStr)) |
| 905 | return false; |
| 906 | } |
| 907 | } |
| 908 | return $this->_ttstatid; |
| 909 | } elseif (!strcasecmp($tableName, "ttcontentid")) { |
| 910 | switch ($this->_driver) { |
| 911 | case 'sqlite': |
| 912 | $queryStr = "CREATE VIEW IF NOT EXISTS `ttcontentid` AS ". |
| 913 | "SELECT `tblDocumentContent`.`document` AS `document`, ". |
| 914 | "MAX(`tblDocumentContent`.`version`) AS `maxVersion` ". |
| 915 | "FROM `tblDocumentContent` ". |
| 916 | "GROUP BY `tblDocumentContent`.`document` ". |
| 917 | "ORDER BY `tblDocumentContent`.`document`"; |
| 918 | break; |
| 919 | case 'pgsql': |
| 920 | $queryStr = "CREATE VIEW `ttcontentid` AS ". |
| 921 | "SELECT `tblDocumentContent`.`document` AS `document`, ". |
| 922 | "MAX(`tblDocumentContent`.`version`) AS `maxVersion` ". |
| 923 | "FROM `tblDocumentContent` ". |
| 924 | "GROUP BY `tblDocumentContent`.`document` ". |
| 925 | "ORDER BY `tblDocumentContent`.`document`"; |
| 926 | break; |
| 927 | default: |
| 928 | $queryStr = "CREATE".($override ? " OR REPLACE" : "")." VIEW `ttcontentid` AS ". |
| 929 | "SELECT `tblDocumentContent`.`document`, ". |
| 930 | "MAX(`tblDocumentContent`.`version`) AS `maxVersion` ". |
| 931 | "FROM `tblDocumentContent` ". |
| 932 | "GROUP BY `tblDocumentContent`.`document` ". |
| 933 | "ORDER BY `tblDocumentContent`.`document`"; |
| 934 | } |
| 935 | if (!$this->_ttcontentid) { |
| 936 | if (!$this->getResult($queryStr)) |
| 937 | return false; |
| 938 | $this->_ttcontentid = true; |
| 939 | } else { |
| 940 | if (is_bool($override) && $override) { |
| 941 | // if (!$this->getResult("DROP VIEW `ttcontentid`")) |
| 942 | // return false; |
| 943 | if (!$this->getResult($queryStr)) |
| 944 | return false; |
| 945 | } |
| 946 | } |
| 947 | return $this->_ttcontentid; |
| 948 | } |
| 949 | return false; |
| 950 | } /* }}} */ |
| 951 | |
| 952 | /** |
| 953 | * Create various temporary tables or view to speed up and simplify sql queries |
| 954 | * |
| 955 | * @param string $tableName |
| 956 | * @param bool $override |
| 957 | * |
| 958 | * @return bool |
| 959 | */ |
| 960 | public function createTemporaryTable($tableName, $override = false) { /* {{{ */ |
| 961 | if ($this->_useviews) { |
| 962 | return $this->__createView($tableName, $override); |
| 963 | } else { |
| 964 | return $this->__createTemporaryTable($tableName, $override); |
| 965 | } |
| 966 | } /* }}} */ |
| 967 | |
| 968 | /** |
| 969 | * Drop various temporary tables to force recreation when next time needed |
| 970 | * |
| 971 | * @param string $tableName |
| 972 | * |
| 973 | * @return bool |
| 974 | */ |
| 975 | public function dropTemporaryTable($tableName) { /* {{{ */ |
| 976 | if ($this->_useviews) { |
| 977 | return true; // No need to recreate a view |
| 978 | } else { |
| 979 | return $this->__dropTemporaryTable($tableName); |
| 980 | } |
| 981 | } /* }}} */ |
| 982 | |
| 983 | /** |
| 984 | * Return sql statement for extracting the date part from a field |
| 985 | * containing a unix timestamp |
| 986 | * |
| 987 | * @param string $fieldname name of field containing the timestamp |
| 988 | * @param string $format |
| 989 | * @return string sql code |
| 990 | */ |
| 991 | public function getDateExtract($fieldname, $format = '%Y-%m-%d') { /* {{{ */ |
| 992 | switch ($this->_driver) { |
| 993 | case 'mysql': |
| 994 | return "from_unixtime(`".$fieldname."`, ".$this->qstr($format).")"; |
| 995 | break; |
| 996 | case 'sqlite': |
| 997 | return "strftime(".$this->qstr($format).", `".$fieldname."`, 'unixepoch')"; |
| 998 | break; |
| 999 | case 'pgsql': |
| 1000 | switch ($format) { |
| 1001 | case '%Y-%m': |
| 1002 | return "to_char(to_timestamp(`".$fieldname."`), 'YYYY-MM')"; |
| 1003 | break; |
| 1004 | default: |
| 1005 | return "to_char(to_timestamp(`".$fieldname."`), 'YYYY-MM-DD')"; |
| 1006 | break; |
| 1007 | } |
| 1008 | break; |
| 1009 | } |
| 1010 | return ''; |
| 1011 | } /* }}} */ |
| 1012 | |
| 1013 | /** |
| 1014 | * Return sql statement for returning the current date and time |
| 1015 | * in format Y-m-d H:i:s |
| 1016 | * |
| 1017 | * @return string sql code |
| 1018 | */ |
| 1019 | public function getCurrentDatetime($offset = 0) { /* {{{ */ |
| 1020 | switch ($this->_driver) { |
| 1021 | case 'mysql': |
| 1022 | if($offset) { |
| 1023 | return "CURRENT_TIMESTAMP + INTERVAL ".((int) $offset)." SECOND"; |
| 1024 | } else { |
| 1025 | return "CURRENT_TIMESTAMP"; |
| 1026 | } |
| 1027 | break; |
| 1028 | case 'sqlite': |
| 1029 | if($offset) { |
| 1030 | return "datetime('now', 'localtime', '".((int) $offset)." seconds')"; |
| 1031 | } else { |
| 1032 | return "datetime('now', 'localtime')"; |
| 1033 | } |
| 1034 | break; |
| 1035 | case 'pgsql': |
| 1036 | if($offset) { |
| 1037 | return "now() + INTERVAL ".((int) $offset)." SECOND"; |
| 1038 | } else { |
| 1039 | return "now()"; |
| 1040 | } |
| 1041 | break; |
| 1042 | } |
| 1043 | return ''; |
| 1044 | } /* }}} */ |
| 1045 | |
| 1046 | /** |
| 1047 | * Return sql statement for returning the current timestamp |
| 1048 | * |
| 1049 | * @return string sql code |
| 1050 | */ |
| 1051 | public function getCurrentTimestamp() { /* {{{ */ |
| 1052 | switch ($this->_driver) { |
| 1053 | case 'mysql': |
| 1054 | return "UNIX_TIMESTAMP()"; |
| 1055 | break; |
| 1056 | case 'sqlite': |
| 1057 | return "strftime('%s', 'now')"; |
| 1058 | break; |
| 1059 | case 'pgsql': |
| 1060 | return "date_part('epoch',CURRENT_TIMESTAMP)::int"; |
| 1061 | break; |
| 1062 | } |
| 1063 | return ''; |
| 1064 | } /* }}} */ |
| 1065 | |
| 1066 | /** |
| 1067 | * Return sql statement for returning the current timestamp |
| 1068 | * |
| 1069 | * @param $field |
| 1070 | * @return string sql code |
| 1071 | */ |
| 1072 | public function castToText($field) { /* {{{ */ |
| 1073 | switch ($this->_driver) { |
| 1074 | case 'pgsql': |
| 1075 | return $field."::TEXT"; |
| 1076 | break; |
| 1077 | } |
| 1078 | return $field; |
| 1079 | } /* }}} */ |
| 1080 | |
| 1081 | /** |
| 1082 | * Create an sql dump of the complete database |
| 1083 | * |
| 1084 | * @param resource $fp name of dump file |
| 1085 | * @return bool |
| 1086 | */ |
| 1087 | public function createDump($fp) { /* {{{ */ |
| 1088 | $tables = $this->TableList('TABLES'); |
| 1089 | foreach ($tables as $table) { |
| 1090 | if ($table == 'sqlite_sequence') |
| 1091 | continue; |
| 1092 | $query = "SELECT * FROM `".$table."`"; |
| 1093 | $records = $this->getResultArray($query); |
| 1094 | fwrite($fp, "\n-- TABLE: ".$table."--\n\n"); |
| 1095 | foreach ($records as $record) { |
| 1096 | $values = ""; |
| 1097 | $i = 1; |
| 1098 | foreach ($record as $column) { |
| 1099 | if (is_null($column)) $values .= 'NULL'; |
| 1100 | elseif (is_numeric($column)) $values .= $column; |
| 1101 | else $values .= $this->qstr($column); |
| 1102 | |
| 1103 | if ($i<(count($record))) $values .= ","; |
| 1104 | $i++; |
| 1105 | } |
| 1106 | |
| 1107 | fwrite($fp, "INSERT INTO `".$table."` VALUES (".$values.");\n"); |
| 1108 | } |
| 1109 | } |
| 1110 | return true; |
| 1111 | } /* }}} */ |
| 1112 | |
| 1113 | /** |
| 1114 | * Run a list of sql queries |
| 1115 | * |
| 1116 | * @param array $queries list of sql queries |
| 1117 | * @param bool $transaction enclose all queries into a transaction |
| 1118 | * @return array list of error messages. If no error msgs are returned |
| 1119 | * then all queries very successful. |
| 1120 | */ |
| 1121 | public function runQueries(array $queries, bool $transaction=false) { /* {{{ */ |
| 1122 | $errorMsg = []; |
| 1123 | if ($transaction) |
| 1124 | $this->startTransaction(); |
| 1125 | foreach ($queries as $query) { |
| 1126 | $query = trim($query); |
| 1127 | if (!empty($query)) { |
| 1128 | if (false === $this->getResult($query)) { |
| 1129 | $errorMsg[] = [$query, $this->getErrorMsg()] ; |
| 1130 | if ($transaction) { |
| 1131 | $this->rollbackTransaction(); |
| 1132 | return $errorMsg; |
| 1133 | } |
| 1134 | } |
| 1135 | } |
| 1136 | } |
| 1137 | if ($transaction) |
| 1138 | $this->commitTransaction(); |
| 1139 | return $errorMsg; |
| 1140 | } /* }}} */ |
| 1141 | |
| 1142 | /** |
| 1143 | * Run queries from file |
| 1144 | * |
| 1145 | * This methods executes all queries in a file. It is usually used by |
| 1146 | * extensions to create new tables. Queries must be seperated by a |
| 1147 | * semicolon. |
| 1148 | * |
| 1149 | * @param string $file name of file containing queries |
| 1150 | * @return array list of error msg |
| 1151 | */ |
| 1152 | public function runQueriesFromFile($file) { /* {{{ */ |
| 1153 | $errorMsg = []; |
| 1154 | if ($queries = file_get_contents($file)) { |
| 1155 | $queries = explode(";", $queries); |
| 1156 | // execute queries |
| 1157 | if ($queries) { |
| 1158 | $errorMsg = $this->runQueries($queries); |
| 1159 | } |
| 1160 | } |
| 1161 | return $errorMsg; |
| 1162 | } /* }}} */ |
| 1163 | } |