| commit | author | age | ||
| 87a4a6 | 1 | <?php |
| T | 2 | /* |
| f5b0ca | 3 | Copyright (c) 2005, Till Brehm, projektfarm Gmbh |
| N | 4 | All rights reserved. |
| 87a4a6 | 5 | |
| f5b0ca | 6 | Redistribution and use in source and binary forms, with or without modification, |
| N | 7 | are permitted provided that the following conditions are met: |
| 87a4a6 | 8 | |
| f5b0ca | 9 | * Redistributions of source code must retain the above copyright notice, |
| N | 10 | this list of conditions and the following disclaimer. |
| 11 | * Redistributions in binary form must reproduce the above copyright notice, | |
| 12 | this list of conditions and the following disclaimer in the documentation | |
| 13 | and/or other materials provided with the distribution. | |
| 14 | * Neither the name of ISPConfig nor the names of its contributors | |
| 15 | may be used to endorse or promote products derived from this software without | |
| 16 | specific prior written permission. | |
| 87a4a6 | 17 | |
| f5b0ca | 18 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| N | 19 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 21 | IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 22 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 23 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 24 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 25 | OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
| 27 | EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | */ | |
| 87a4a6 | 29 | |
| f5b0ca | 30 | class db extends mysqli |
| N | 31 | { |
| 7fe908 | 32 | protected $dbHost = ''; // hostname of the MySQL server |
| MC | 33 | private $dbName = ''; // logical database name on that server |
| 34 | private $dbUser = ''; // database authorized user | |
| 35 | private $dbPass = ''; // user's password | |
| 36 | private $dbCharset = 'utf8';// Database charset | |
| 37 | private $dbNewLink = false; // Return a new linkID when connect is called again | |
| 38 | private $dbClientFlags = 0; // MySQL Client falgs | |
| 39 | private $linkId = 0; // last result of mysqli_connect() | |
| 40 | private $queryId = 0; // last result of mysqli_query() | |
| 41 | private $record = array(); // last record fetched | |
| 42 | private $autoCommit = 1; // Autocommit Transactions | |
| 43 | private $currentRow; // current row number | |
| 44 | public $errorNumber = 0; // last error number | |
| 45 | public $errorMessage = ''; // last error message | |
| 46 | private $errorLocation = '';// last error location | |
| 47 | public $show_error_messages = false; // false in server, true in interface | |
| 48 | private $isConnected = false; // needed to know if we have a valid mysqli object from the constructor | |
| 87a4a6 | 49 | |
| 7fe908 | 50 | // constructor |
| MC | 51 | public function __construct($host = NULL , $user = NULL, $pass = NULL, $database = NULL) { |
| 52 | global $app, $conf; | |
| 1d8f7f | 53 | |
| 7fe908 | 54 | $this->dbHost = $host ? $host : $conf['db_host']; |
| MC | 55 | $this->dbName = $database ? $database : $conf['db_database']; |
| 56 | $this->dbUser = $user ? $user : $conf['db_user']; | |
| 57 | $this->dbPass = $pass ? $pass : $conf['db_password']; | |
| 58 | $this->dbCharset = $conf['db_charset']; | |
| 59 | $this->dbNewLink = $conf['db_new_link']; | |
| 60 | $this->dbClientFlags = $conf['db_client_flags']; | |
| 1d8f7f | 61 | |
| 7fe908 | 62 | parent::__construct($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName); |
| MC | 63 | $try = 0; |
| 64 | //while(!is_null($this->connect_error) && $try < 10) { | |
| 65 | while(mysqli_connect_error() && $try < 10) { | |
| 66 | if($try > 8) sleep(5); | |
| 67 | elseif($try > 0) sleep(1); | |
| f5b0ca | 68 | |
| 7fe908 | 69 | $try++; |
| MC | 70 | $this->updateError('DB::__construct'); |
| 1d8f7f | 71 | |
| 7fe908 | 72 | parent::__construct($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName); |
| MC | 73 | } |
| f5b0ca | 74 | |
| 7fe908 | 75 | //if(is_null($this->connect_error)) $this->isConnected = true; |
| MC | 76 | if(!mysqli_connect_error()) $this->isConnected = true; |
| f5b0ca | 77 | |
| 7fe908 | 78 | $this->setCharacterEncoding(); |
| MC | 79 | } |
| 80 | ||
| 81 | public function __destruct() { | |
| 82 | $this->close(); // helps avoid memory leaks, and persitent connections that don't go away. | |
| 83 | } | |
| 84 | ||
| 85 | /* This allows our private variables to be "read" out side of the class */ | |
| 86 | public function __get($var) { | |
| 87 | return isset($this->$var) ? $this->$var : NULL; | |
| 88 | } | |
| 89 | ||
| 90 | // error handler | |
| 91 | public function updateError($location) { | |
| 92 | global $app; | |
| 93 | ||
| 94 | /* | |
| 72695f | 95 | if(!is_null($this->connect_error)) { |
| f5b0ca | 96 | $this->errorNumber = $this->connect_errno; |
| N | 97 | $this->errorMessage = $this->connect_error; |
| 98 | } else { | |
| 99 | $this->errorNumber = $this->errno; | |
| 100 | $this->errorMessage = $this->error; | |
| 101 | } | |
| cc6568 | 102 | */ |
| 7fe908 | 103 | if(mysqli_connect_error()) { |
| 991019 | 104 | $this->errorNumber = $this->connect_errno; |
| TB | 105 | $this->errorMessage = $this->connect_error; |
| 7fe908 | 106 | } else { |
| MC | 107 | $this->errorNumber = mysqli_errno($this); |
| 108 | $this->errorMessage = mysqli_error($this); | |
| 109 | } | |
| f5b0ca | 110 | |
| 7fe908 | 111 | $this->errorLocation = $location; |
| MC | 112 | if($this->errorNumber) { |
| 113 | $error_msg = $this->errorLocation .' '. $this->errorMessage; | |
| 114 | // This right here will allow us to use the samefile for server & interface | |
| 115 | if($this->show_error_messages) { | |
| 116 | echo $error_msg; | |
| 117 | } else if(is_object($app) && method_exists($app, 'log')) { | |
| 118 | $app->log($error_msg, LOGLEVEL_WARN); | |
| 119 | } else { | |
| 120 | /* This could be called before $app is ever declared.. In that case we should just spit out to error_log() */ | |
| 121 | error_log($error_msg); | |
| 122 | } | |
| 123 | } | |
| f5b0ca | 124 | } |
| 7fe908 | 125 | |
| MC | 126 | private function setCharacterEncoding() { |
| 127 | if($this->isConnected == false) return false; | |
| 128 | parent::query( 'SET NAMES '.$this->dbCharset); | |
| 129 | parent::query( "SET character_set_results = '".$this->dbCharset."', character_set_client = '".$this->dbCharset."', character_set_connection = '".$this->dbCharset."', character_set_database = '".$this->dbCharset."', character_set_server = '".$this->dbCharset."'"); | |
| f5b0ca | 130 | } |
| N | 131 | |
| 7fe908 | 132 | public function query($queryString) { |
| 132081 | 133 | global $app; |
| MC | 134 | |
| 7fe908 | 135 | if($this->isConnected == false) return false; |
| MC | 136 | $try = 0; |
| 137 | do { | |
| 138 | $try++; | |
| 139 | $ok = $this->ping(); | |
| 140 | if(!$ok) { | |
| 141 | if(!$this->real_connect($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName)) { | |
| 991019 | 142 | $this->updateError('DB::query -> reconnect'); |
| 132081 | 143 | if($this->errorNumber == '111') { |
| MC | 144 | // server is not available |
| 145 | if($try > 9) { | |
| 146 | if(isset($app) && isset($app->forceErrorExit)) { | |
| 147 | $app->forceErrorExit('Database connection failure!'); | |
| 148 | } | |
| 149 | // if we reach this, the app object is missing or has no exit method, so we continue as normal | |
| 150 | } | |
| 151 | sleep(30); // additional seconds, please! | |
| 152 | } | |
| 153 | ||
| 7fe908 | 154 | if($try > 9) { |
| MC | 155 | return false; |
| 156 | } else { | |
| 157 | sleep(($try > 7 ? 5 : 1)); | |
| 158 | } | |
| 159 | } else { | |
| 160 | $this->setCharacterEncoding(); | |
| 161 | $ok = true; | |
| 162 | } | |
| 163 | } | |
| 164 | } while($ok == false); | |
| 165 | $this->queryId = parent::query($queryString); | |
| 991019 | 166 | if(!$this->queryId) $this->updateError('DB::query('.$queryString.') -> mysqli_query'); |
| 7fe908 | 167 | if(!$this->queryId) { |
| MC | 168 | return false; |
| 169 | } | |
| 170 | $this->currentRow = 0; | |
| 171 | return $this->queryId; | |
| 172 | } | |
| f5b0ca | 173 | |
| 7fe908 | 174 | // returns all records in an array |
| MC | 175 | public function queryAllRecords($queryString) { |
| 176 | if(!$this->query($queryString)) | |
| 177 | { | |
| 178 | return false; | |
| 179 | } | |
| 180 | $ret = array(); | |
| 181 | while($line = $this->nextRecord()) | |
| 182 | { | |
| 183 | $ret[] = $line; | |
| 184 | } | |
| 185 | return $ret; | |
| 186 | } | |
| 43b345 | 187 | |
| 7fe908 | 188 | // returns one record in an array |
| MC | 189 | public function queryOneRecord($queryString) { |
| 190 | if(!$this->query($queryString) || $this->numRows() == 0) | |
| 191 | { | |
| 192 | return false; | |
| 193 | } | |
| 194 | return $this->nextRecord(); | |
| 195 | } | |
| f5b0ca | 196 | |
| 7fe908 | 197 | // returns the next record in an array |
| MC | 198 | public function nextRecord() { |
| 199 | $this->record = $this->queryId->fetch_assoc(); | |
| 200 | if(!$this->record || !is_array($this->record)) | |
| 201 | { | |
| 991019 | 202 | $this->updateError('DB::nextRecord()-> mysql_fetch_array'); |
| 7fe908 | 203 | return false; |
| MC | 204 | } |
| 205 | $this->currentRow++; | |
| 206 | return $this->record; | |
| 207 | } | |
| 208 | ||
| 209 | // returns number of rows returned by the last select query | |
| 210 | public function numRows() { | |
| 211 | return $this->queryId->num_rows; | |
| 212 | } | |
| 213 | ||
| 214 | public function affectedRows() { | |
| 215 | return $this->queryId->affected_rows; | |
| 216 | } | |
| 217 | ||
| 218 | // returns mySQL insert id | |
| 219 | public function insertID() { | |
| 220 | return $this->insert_id; | |
| 221 | } | |
| 222 | ||
| 223 | ||
| 224 | // Check der variablen | |
| 225 | // Really.. using quote should be phased out in favor of using bind_param's. Though, for legacy code.. | |
| 226 | // here's the equivalent | |
| 227 | public function quote($formfield) { | |
| 228 | return $this->escape_string($formfield); | |
| 229 | } | |
| 230 | ||
| 231 | // Check der variablen | |
| 232 | public function unquote($formfield) { | |
| 233 | return stripslashes($formfield); | |
| 234 | } | |
| 235 | ||
| 236 | public function toLower($record) { | |
| 237 | if(is_array($record)) { | |
| 238 | foreach($record as $key => $val) { | |
| 239 | $key = strtolower($key); | |
| 240 | $out[$key] = $val; | |
| 241 | } | |
| 242 | } | |
| 243 | return $out; | |
| 244 | } | |
| 245 | ||
| 246 | public function diffrec($record_old, $record_new) { | |
| 247 | $diffrec_full = array(); | |
| 248 | $diff_num = 0; | |
| 249 | ||
| 250 | if(is_array($record_old) && count($record_old) > 0) { | |
| 251 | foreach($record_old as $key => $val) { | |
| 252 | // if(!isset($record_new[$key]) || $record_new[$key] != $val) { | |
| 253 | if(@$record_new[$key] != $val) { | |
| 254 | // Record has changed | |
| 255 | $diffrec_full['old'][$key] = $val; | |
| 256 | $diffrec_full['new'][$key] = @$record_new[$key]; | |
| 257 | $diff_num++; | |
| 258 | } else { | |
| 259 | $diffrec_full['old'][$key] = $val; | |
| 260 | $diffrec_full['new'][$key] = $val; | |
| 261 | } | |
| 262 | } | |
| 263 | } elseif(is_array($record_new)) { | |
| 264 | foreach($record_new as $key => $val) { | |
| 265 | if(isset($record_new[$key]) && @$record_old[$key] != $val) { | |
| 266 | // Record has changed | |
| 267 | $diffrec_full['new'][$key] = $val; | |
| 268 | $diffrec_full['old'][$key] = @$record_old[$key]; | |
| 269 | $diff_num++; | |
| 270 | } else { | |
| 271 | $diffrec_full['new'][$key] = $val; | |
| 272 | $diffrec_full['old'][$key] = $val; | |
| 273 | } | |
| 274 | } | |
| 275 | } | |
| 276 | ||
| 277 | return array('diff_num' => $diff_num, 'diff_rec' => $diffrec_full); | |
| 278 | ||
| 279 | } | |
| 280 | ||
| 281 | //** Function to fill the datalog with a full differential record. | |
| 282 | public function datalogSave($db_table, $action, $primary_field, $primary_id, $record_old, $record_new, $force_update = false) { | |
| 283 | global $app, $conf; | |
| 284 | ||
| 285 | // Insert backticks only for incomplete table names. | |
| 286 | if(stristr($db_table, '.')) { | |
| 287 | $escape = ''; | |
| 288 | } else { | |
| 289 | $escape = '`'; | |
| 290 | } | |
| f5b0ca | 291 | |
| 43b345 | 292 | if($force_update == true) { |
| T | 293 | //* We force a update even if no record has changed |
| 7fe908 | 294 | $diffrec_full = array('new' => $record_new, 'old' => $record_old); |
| 43b345 | 295 | $diff_num = count($record_new); |
| T | 296 | } else { |
| 297 | //* get the difference record between old and new record | |
| 298 | $tmp = $this->diffrec($record_old, $record_new); | |
| 299 | $diffrec_full = $tmp['diff_rec']; | |
| 300 | $diff_num = $tmp['diff_num']; | |
| 301 | unset($tmp); | |
| 302 | } | |
| f5b0ca | 303 | |
| 7fe908 | 304 | // Insert the server_id, if the record has a server_id |
| MC | 305 | $server_id = (isset($record_old['server_id']) && $record_old['server_id'] > 0)?$record_old['server_id']:0; |
| 306 | if(isset($record_new['server_id'])) $server_id = $record_new['server_id']; | |
| f5b0ca | 307 | |
| N | 308 | |
| 7fe908 | 309 | if($diff_num > 0) { |
| MC | 310 | $diffstr = $this->quote(serialize($diffrec_full)); |
| 311 | if(isset($_SESSION)) { | |
| 312 | $username = $this->quote($_SESSION['s']['user']['username']); | |
| 313 | } else { | |
| 314 | $username = 'admin'; | |
| 315 | } | |
| 316 | $dbidx = $primary_field.':'.$primary_id; | |
| 317 | ||
| 318 | if($action == 'INSERT') $action = 'i'; | |
| 319 | if($action == 'UPDATE') $action = 'u'; | |
| 320 | if($action == 'DELETE') $action = 'd'; | |
| 321 | $sql = "INSERT INTO sys_datalog (dbtable,dbidx,server_id,action,tstamp,user,data) VALUES ('".$db_table."','$dbidx','$server_id','$action','".time()."','$username','$diffstr')"; | |
| 322 | $this->query($sql); | |
| 346f60 | 323 | } |
| f5b0ca | 324 | |
| 7fe908 | 325 | return true; |
| 346f60 | 326 | } |
| f5b0ca | 327 | |
| 7fe908 | 328 | //** Inserts a record and saves the changes into the datalog |
| MC | 329 | public function datalogInsert($tablename, $insert_data, $index_field) { |
| 330 | global $app; | |
| f5b0ca | 331 | |
| 7fe908 | 332 | if(is_array($insert_data)) { |
| 43b345 | 333 | $key_str = ''; |
| T | 334 | $val_str = ''; |
| 335 | foreach($insert_data as $key => $val) { | |
| 336 | $key_str .= "`".$key ."`,"; | |
| 337 | $val_str .= "'".$this->quote($val)."',"; | |
| 338 | } | |
| 7fe908 | 339 | $key_str = substr($key_str, 0, -1); |
| MC | 340 | $val_str = substr($val_str, 0, -1); |
| 43b345 | 341 | $insert_data_str = '('.$key_str.') VALUES ('.$val_str.')'; |
| T | 342 | } else { |
| 343 | $insert_data_str = $insert_data; | |
| 344 | } | |
| f5b0ca | 345 | |
| 7fe908 | 346 | $old_rec = array(); |
| MC | 347 | $this->query("INSERT INTO $tablename $insert_data_str"); |
| 348 | $index_value = $this->insertID(); | |
| 349 | $new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); | |
| 350 | $this->datalogSave($tablename, 'INSERT', $index_field, $index_value, $old_rec, $new_rec); | |
| f5b0ca | 351 | |
| 7fe908 | 352 | return $index_value; |
| MC | 353 | } |
| f5b0ca | 354 | |
| 7fe908 | 355 | //** Updates a record and saves the changes into the datalog |
| MC | 356 | public function datalogUpdate($tablename, $update_data, $index_field, $index_value, $force_update = false) { |
| 43b345 | 357 | global $app; |
| 7fe908 | 358 | |
| MC | 359 | $old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); |
| 360 | ||
| 361 | if(is_array($update_data)) { | |
| 43b345 | 362 | $update_data_str = ''; |
| T | 363 | foreach($update_data as $key => $val) { |
| 364 | $update_data_str .= "`".$key ."` = '".$this->quote($val)."',"; | |
| 365 | } | |
| 7fe908 | 366 | $update_data_str = substr($update_data_str, 0, -1); |
| 43b345 | 367 | } else { |
| T | 368 | $update_data_str = $update_data; |
| 369 | } | |
| f5b0ca | 370 | |
| 7fe908 | 371 | $this->query("UPDATE $tablename SET $update_data_str WHERE $index_field = '$index_value'"); |
| MC | 372 | $new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); |
| 373 | $this->datalogSave($tablename, 'UPDATE', $index_field, $index_value, $old_rec, $new_rec, $force_update); | |
| f5b0ca | 374 | |
| 7fe908 | 375 | return true; |
| MC | 376 | } |
| f5b0ca | 377 | |
| 7b47c0 | 378 | //** Deletes a record and saves the changes into the datalog |
| 7fe908 | 379 | public function datalogDelete($tablename, $index_field, $index_value) { |
| MC | 380 | global $app; |
| 7b47c0 | 381 | |
| 7fe908 | 382 | $old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'"); |
| MC | 383 | $this->query("DELETE FROM $tablename WHERE $index_field = '$index_value'"); |
| 384 | $new_rec = array(); | |
| 385 | $this->datalogSave($tablename, 'DELETE', $index_field, $index_value, $old_rec, $new_rec); | |
| 386 | ||
| 387 | return true; | |
| 388 | } | |
| 389 | ||
| 390 | //** Deletes a record and saves the changes into the datalog | |
| 391 | public function datalogError($errormsg) { | |
| 392 | global $app; | |
| 393 | ||
| 394 | if(isset($app->modules->current_datalog_id) && $app->modules->current_datalog_id > 0) $this->query("UPDATE sys_datalog set error = '".$this->quote($errormsg)."' WHERE datalog_id = ".$app->modules->current_datalog_id); | |
| 395 | ||
| 396 | return true; | |
| 397 | } | |
| f5b0ca | 398 | |
| N | 399 | |
| 7fe908 | 400 | public function freeResult($query) |
| MC | 401 | { |
| 402 | if(is_object($query) && (get_class($query) == "mysqli_result")) { | |
| 403 | $query->free(); | |
| 404 | return true; | |
| 405 | } else { | |
| 406 | return false; | |
| 407 | } | |
| 408 | } | |
| f5b0ca | 409 | |
| 7fe908 | 410 | /* TODO: Does anything use this? */ |
| MC | 411 | public function delete() { |
| f5b0ca | 412 | |
| 7fe908 | 413 | } |
| f5b0ca | 414 | |
| 7fe908 | 415 | /* TODO: Does anything use this? */ |
| MC | 416 | public function Transaction($action) { |
| 417 | //action = begin, commit oder rollback | |
| f5b0ca | 418 | |
| 7fe908 | 419 | } |
| f5b0ca | 420 | |
| 7fe908 | 421 | /* |
| f5b0ca | 422 | $columns = array(action => add | alter | drop |
| N | 423 | name => Spaltenname |
| 424 | name_new => neuer Spaltenname, nur bei 'alter' belegt | |
| 425 | type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob | |
| 426 | typeValue => Wert z.B. bei Varchar | |
| 427 | defaultValue => Default Wert | |
| 428 | notNull => true | false | |
| 429 | autoInc => true | false | |
| 430 | option => unique | primary | index) | |
| 431 | ||
| 432 | ||
| 433 | */ | |
| 434 | ||
| 7fe908 | 435 | public function createTable($table_name, $columns) { |
| MC | 436 | $index = ''; |
| 437 | $sql = "CREATE TABLE $table_name ("; | |
| 438 | foreach($columns as $col){ | |
| 439 | $sql .= $col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' '; | |
| f5b0ca | 440 | |
| 7fe908 | 441 | if($col['defaultValue'] != '') $sql .= "DEFAULT '".$col['defaultValue']."' "; |
| MC | 442 | if($col['notNull'] == true) { |
| 443 | $sql .= 'NOT NULL '; | |
| 444 | } else { | |
| 445 | $sql .= 'NULL '; | |
| 446 | } | |
| 447 | if($col['autoInc'] == true) $sql .= 'auto_increment '; | |
| 448 | $sql.= ','; | |
| 449 | // key Definitionen | |
| 450 | if($col['option'] == 'primary') $index .= 'PRIMARY KEY ('.$col['name'].'),'; | |
| 451 | if($col['option'] == 'index') $index .= 'INDEX ('.$col['name'].'),'; | |
| 452 | if($col['option'] == 'unique') $index .= 'UNIQUE ('.$col['name'].'),'; | |
| 453 | } | |
| 454 | $sql .= $index; | |
| 455 | $sql = substr($sql, 0, -1); | |
| 456 | $sql .= ')'; | |
| 457 | $this->query($sql); | |
| 458 | return true; | |
| f5b0ca | 459 | } |
| N | 460 | |
| 7fe908 | 461 | /* |
| f5b0ca | 462 | $columns = array(action => add | alter | drop |
| N | 463 | name => Spaltenname |
| 464 | name_new => neuer Spaltenname, nur bei 'alter' belegt | |
| 465 | type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob | |
| 466 | typeValue => Wert z.B. bei Varchar | |
| 467 | defaultValue => Default Wert | |
| 468 | notNull => true | false | |
| 469 | autoInc => true | false | |
| 470 | option => unique | primary | index) | |
| 471 | ||
| 472 | ||
| 473 | */ | |
| 7fe908 | 474 | public function alterTable($table_name, $columns) { |
| MC | 475 | $index = ''; |
| 476 | $sql = "ALTER TABLE $table_name "; | |
| 477 | foreach($columns as $col){ | |
| 478 | if($col['action'] == 'add') { | |
| 479 | $sql .= 'ADD '.$col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' '; | |
| 480 | } elseif ($col['action'] == 'alter') { | |
| 481 | $sql .= 'CHANGE '.$col['name'].' '.$col['name_new'].' '.$this->mapType($col['type'], $col['typeValue']).' '; | |
| 482 | } elseif ($col['action'] == 'drop') { | |
| 483 | $sql .= 'DROP '.$col['name'].' '; | |
| 484 | } | |
| 485 | if($col['action'] != 'drop') { | |
| 486 | if($col['defaultValue'] != '') $sql .= "DEFAULT '".$col['defaultValue']."' "; | |
| 487 | if($col['notNull'] == true) { | |
| 488 | $sql .= 'NOT NULL '; | |
| 489 | } else { | |
| 490 | $sql .= 'NULL '; | |
| 491 | } | |
| 492 | if($col['autoInc'] == true) $sql .= 'auto_increment '; | |
| 493 | $sql.= ','; | |
| 494 | // Index definitions | |
| 495 | if($col['option'] == 'primary') $index .= 'PRIMARY KEY ('.$col['name'].'),'; | |
| 496 | if($col['option'] == 'index') $index .= 'INDEX ('.$col['name'].'),'; | |
| 497 | if($col['option'] == 'unique') $index .= 'UNIQUE ('.$col['name'].'),'; | |
| 498 | } | |
| 499 | } | |
| 500 | $sql .= $index; | |
| 501 | $sql = substr($sql, 0, -1); | |
| 502 | ||
| 503 | //die($sql); | |
| 504 | $this->query($sql); | |
| 505 | return true; | |
| f5b0ca | 506 | } |
| 7fe908 | 507 | |
| MC | 508 | public function dropTable($table_name) { |
| 509 | $this->check($table_name); | |
| 510 | $sql = "DROP TABLE '". $table_name."'"; | |
| 511 | return $this->query($sql); | |
| f5b0ca | 512 | } |
| N | 513 | |
| 7fe908 | 514 | // gibt Array mit Tabellennamen zur�ck |
| MC | 515 | public function getTables($database_name = '') { |
| 516 | if($this->isConnected == false) return false; | |
| 517 | if($database_name == '') $database_name = $this->dbName; | |
| 518 | $result = parent::query("SHOW TABLES FROM $database_name"); | |
| 519 | for ($i = 0; $i < $result->num_rows; $i++) { | |
| 520 | $tb_names[$i] = (($result->data_seek( $i) && (($___mysqli_tmp = $result->fetch_row()) !== NULL)) ? array_shift($___mysqli_tmp) : false); | |
| 521 | } | |
| 522 | return $tb_names; | |
| 523 | } | |
| f5b0ca | 524 | |
| 7fe908 | 525 | // gibt Feldinformationen zur Tabelle zur�ck |
| MC | 526 | /* |
| f5b0ca | 527 | $columns = array(action => add | alter | drop |
| N | 528 | name => Spaltenname |
| 529 | name_new => neuer Spaltenname, nur bei 'alter' belegt | |
| 530 | type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob | |
| 531 | typeValue => Wert z.B. bei Varchar | |
| 532 | defaultValue => Default Wert | |
| 533 | notNull => true | false | |
| 534 | autoInc => true | false | |
| 535 | option => unique | primary | index) | |
| 536 | ||
| 537 | ||
| 538 | */ | |
| 539 | ||
| 7fe908 | 540 | function tableInfo($table_name) { |
| f5b0ca | 541 | |
| 7fe908 | 542 | global $go_api, $go_info; |
| MC | 543 | // Tabellenfelder einlesen |
| f5b0ca | 544 | |
| 7fe908 | 545 | if($rows = $go_api->db->queryAllRecords('SHOW FIELDS FROM '.$table_name)){ |
| MC | 546 | foreach($rows as $row) { |
| 547 | $name = $row[0]; | |
| 548 | $default = $row[4]; | |
| 549 | $key = $row[3]; | |
| 550 | $extra = $row[5]; | |
| 551 | $isnull = $row[2]; | |
| 552 | $type = $row[1]; | |
| f5b0ca | 553 | |
| N | 554 | |
| 7fe908 | 555 | $column = array(); |
| f5b0ca | 556 | |
| 7fe908 | 557 | $column['name'] = $name; |
| MC | 558 | //$column['type'] = $type; |
| 559 | $column['defaultValue'] = $default; | |
| 560 | if(stristr($key, 'PRI')) $column['option'] = 'primary'; | |
| 561 | if(stristr($isnull, 'YES')) { | |
| 562 | $column['notNull'] = false; | |
| 563 | } else { | |
| 564 | $column['notNull'] = true; | |
| 565 | } | |
| 566 | if($extra == 'auto_increment') $column['autoInc'] = true; | |
| f5b0ca | 567 | |
| N | 568 | |
| 7fe908 | 569 | // Type in Metatype umsetzen |
| f5b0ca | 570 | |
| 7fe908 | 571 | if(stristr($type, 'int(')) $metaType = 'int32'; |
| MC | 572 | if(stristr($type, 'bigint')) $metaType = 'int64'; |
| 573 | if(stristr($type, 'char')) { | |
| 574 | $metaType = 'char'; | |
| 575 | $tmp_typeValue = explode('(', $type); | |
| 576 | $column['typeValue'] = substr($tmp_typeValue[1], 0, -1); | |
| 577 | } | |
| 578 | if(stristr($type, 'varchar')) { | |
| 579 | $metaType = 'varchar'; | |
| 580 | $tmp_typeValue = explode('(', $type); | |
| 581 | $column['typeValue'] = substr($tmp_typeValue[1], 0, -1); | |
| 582 | } | |
| 583 | if(stristr($type, 'text')) $metaType = 'text'; | |
| 584 | if(stristr($type, 'double')) $metaType = 'double'; | |
| 585 | if(stristr($type, 'blob')) $metaType = 'blob'; | |
| f5b0ca | 586 | |
| N | 587 | |
| 7fe908 | 588 | $column['type'] = $metaType; |
| f5b0ca | 589 | |
| 7fe908 | 590 | $columns[] = $column; |
| MC | 591 | } |
| 592 | return $columns; | |
| 593 | } else { | |
| 594 | return false; | |
| 595 | } | |
| f5b0ca | 596 | |
| N | 597 | |
| 7fe908 | 598 | //$this->createTable('tester',$columns); |
| f5b0ca | 599 | |
| 7fe908 | 600 | /* |
| f5b0ca | 601 | $result = mysql_list_fields($go_info["server"]["db_name"],$table_name); |
| N | 602 | $fields = mysql_num_fields ($result); |
| 603 | $i = 0; | |
| 604 | $table = mysql_field_table ($result, $i); | |
| 605 | while ($i < $fields) { | |
| 606 | $name = mysql_field_name ($result, $i); | |
| 607 | $type = mysql_field_type ($result, $i); | |
| 608 | $len = mysql_field_len ($result, $i); | |
| 609 | $flags = mysql_field_flags ($result, $i); | |
| 610 | print_r($flags); | |
| 611 | ||
| 612 | $columns = array(name => $name, | |
| 613 | type => "", | |
| 614 | defaultValue => "", | |
| 615 | isnull => 1, | |
| 616 | option => ""); | |
| 617 | $returnvar[] = $columns; | |
| 618 | ||
| 619 | $i++; | |
| 620 | } | |
| 621 | */ | |
| 622 | ||
| 623 | ||
| 624 | ||
| 7fe908 | 625 | } |
| f5b0ca | 626 | |
| 7fe908 | 627 | public function mapType($metaType, $typeValue) { |
| MC | 628 | global $go_api; |
| 629 | $metaType = strtolower($metaType); | |
| 630 | switch ($metaType) { | |
| 631 | case 'int16': | |
| 632 | return 'smallint'; | |
| 633 | break; | |
| 634 | case 'int32': | |
| 635 | return 'int'; | |
| 636 | break; | |
| 637 | case 'int64': | |
| 638 | return 'bigint'; | |
| 639 | break; | |
| 640 | case 'double': | |
| 641 | return 'double'; | |
| 642 | break; | |
| 643 | case 'char': | |
| 644 | return 'char'; | |
| 645 | break; | |
| 646 | case 'varchar': | |
| 647 | if($typeValue < 1) die('Database failure: Lenght required for these data types.'); | |
| 648 | return 'varchar('.$typeValue.')'; | |
| 649 | break; | |
| 650 | case 'text': | |
| 651 | return 'text'; | |
| 652 | break; | |
| 653 | case 'blob': | |
| 654 | return 'blob'; | |
| 655 | break; | |
| 656 | } | |
| 657 | } | |
| f5b0ca | 658 | |
| 7fe908 | 659 | } |
| f5b0ca | 660 | |
| 7fe908 | 661 | ?> |
