| 1 | <?php |
|---|
| 2 | /* |
|---|
| 3 | |
|---|
| 4 | @version v4.992 10 Nov 2009 (c) 2000-2009 John Lim (jlim#natsoft.com). All rights reserved. |
|---|
| 5 | Latest version is available at http://adodb.sourceforge.net |
|---|
| 6 | |
|---|
| 7 | Released under both BSD license and Lesser GPL library license. |
|---|
| 8 | Whenever there is any discrepancy between the two licenses, |
|---|
| 9 | the BSD license will take precedence. |
|---|
| 10 | |
|---|
| 11 | Active Record implementation. Superset of Zend Framework's. |
|---|
| 12 | |
|---|
| 13 | Version 0.09 |
|---|
| 14 | |
|---|
| 15 | See http://www-128.ibm.com/developerworks/java/library/j-cb03076/?ca=dgr-lnxw01ActiveRecord |
|---|
| 16 | for info on Ruby on Rails Active Record implementation |
|---|
| 17 | */ |
|---|
| 18 | |
|---|
| 19 | global $_ADODB_ACTIVE_DBS; |
|---|
| 20 | global $ADODB_ACTIVE_CACHESECS; // set to true to enable caching of metadata such as field info |
|---|
| 21 | global $ACTIVE_RECORD_SAFETY; // set to false to disable safety checks |
|---|
| 22 | global $ADODB_ACTIVE_DEFVALS; // use default values of table definition when creating new active record. |
|---|
| 23 | |
|---|
| 24 | // array of ADODB_Active_DB's, indexed by ADODB_Active_Record->_dbat |
|---|
| 25 | $_ADODB_ACTIVE_DBS = array(); |
|---|
| 26 | $ACTIVE_RECORD_SAFETY = true; |
|---|
| 27 | $ADODB_ACTIVE_DEFVALS = false; |
|---|
| 28 | |
|---|
| 29 | class ADODB_Active_DB { |
|---|
| 30 | var $db; // ADOConnection |
|---|
| 31 | var $tables; // assoc array of ADODB_Active_Table objects, indexed by tablename |
|---|
| 32 | } |
|---|
| 33 | |
|---|
| 34 | class ADODB_Active_Table { |
|---|
| 35 | var $name; // table name |
|---|
| 36 | var $flds; // assoc array of adofieldobjs, indexed by fieldname |
|---|
| 37 | var $keys; // assoc array of primary keys, indexed by fieldname |
|---|
| 38 | var $_created; // only used when stored as a cached file |
|---|
| 39 | } |
|---|
| 40 | |
|---|
| 41 | // returns index into $_ADODB_ACTIVE_DBS |
|---|
| 42 | function ADODB_SetDatabaseAdapter(&$db) |
|---|
| 43 | { |
|---|
| 44 | global $_ADODB_ACTIVE_DBS; |
|---|
| 45 | |
|---|
| 46 | foreach($_ADODB_ACTIVE_DBS as $k => $d) { |
|---|
| 47 | if (PHP_VERSION >= 5) { |
|---|
| 48 | if ($d->db === $db) return $k; |
|---|
| 49 | } else { |
|---|
| 50 | if ($d->db->_connectionID === $db->_connectionID && $db->database == $d->db->database) |
|---|
| 51 | return $k; |
|---|
| 52 | } |
|---|
| 53 | } |
|---|
| 54 | |
|---|
| 55 | $obj = new ADODB_Active_DB(); |
|---|
| 56 | $obj->db =& $db; |
|---|
| 57 | $obj->tables = array(); |
|---|
| 58 | |
|---|
| 59 | $_ADODB_ACTIVE_DBS[] = $obj; |
|---|
| 60 | |
|---|
| 61 | return sizeof($_ADODB_ACTIVE_DBS)-1; |
|---|
| 62 | } |
|---|
| 63 | |
|---|
| 64 | |
|---|
| 65 | class ADODB_Active_Record { |
|---|
| 66 | var $_dbat; // associative index pointing to ADODB_Active_DB eg. $ADODB_Active_DBS[_dbat] |
|---|
| 67 | var $_table; // tablename, if set in class definition then use it as table name |
|---|
| 68 | var $_tableat; // associative index pointing to ADODB_Active_Table, eg $ADODB_Active_DBS[_dbat]->tables[$this->_tableat] |
|---|
| 69 | var $_where; // where clause set in Load() |
|---|
| 70 | var $_saved = false; // indicates whether data is already inserted. |
|---|
| 71 | var $_lasterr = false; // last error message |
|---|
| 72 | var $_original = false; // the original values loaded or inserted, refreshed on update |
|---|
| 73 | |
|---|
| 74 | // should be static |
|---|
| 75 | function UseDefaultValues($bool=null) |
|---|
| 76 | { |
|---|
| 77 | global $ADODB_ACTIVE_DEFVALS; |
|---|
| 78 | if (isset($bool)) $ADODB_ACTIVE_DEFVALS = $bool; |
|---|
| 79 | return $ADODB_ACTIVE_DEFVALS; |
|---|
| 80 | } |
|---|
| 81 | |
|---|
| 82 | // should be static |
|---|
| 83 | function SetDatabaseAdapter(&$db) |
|---|
| 84 | { |
|---|
| 85 | return ADODB_SetDatabaseAdapter($db); |
|---|
| 86 | } |
|---|
| 87 | |
|---|
| 88 | // php4 constructor |
|---|
| 89 | function ADODB_Active_Record($table = false, $pkeyarr=false, $db=false) |
|---|
| 90 | { |
|---|
| 91 | ADODB_Active_Record::__construct($table,$pkeyarr,$db); |
|---|
| 92 | } |
|---|
| 93 | |
|---|
| 94 | // php5 constructor |
|---|
| 95 | function __construct($table = false, $pkeyarr=false, $db=false) |
|---|
| 96 | { |
|---|
| 97 | global $ADODB_ASSOC_CASE,$_ADODB_ACTIVE_DBS; |
|---|
| 98 | |
|---|
| 99 | if ($db == false && is_object($pkeyarr)) { |
|---|
| 100 | $db = $pkeyarr; |
|---|
| 101 | $pkeyarr = false; |
|---|
| 102 | } |
|---|
| 103 | |
|---|
| 104 | if (!$table) { |
|---|
| 105 | if (!empty($this->_table)) $table = $this->_table; |
|---|
| 106 | else $table = $this->_pluralize(get_class($this)); |
|---|
| 107 | } |
|---|
| 108 | if ($db) { |
|---|
| 109 | $this->_dbat = ADODB_Active_Record::SetDatabaseAdapter($db); |
|---|
| 110 | } else |
|---|
| 111 | $this->_dbat = sizeof($_ADODB_ACTIVE_DBS)-1; |
|---|
| 112 | |
|---|
| 113 | |
|---|
| 114 | if ($this->_dbat < 0) $this->Error("No database connection set; use ADOdb_Active_Record::SetDatabaseAdapter(\$db)",'ADODB_Active_Record::__constructor'); |
|---|
| 115 | |
|---|
| 116 | $this->_table = $table; |
|---|
| 117 | $this->_tableat = $table; # reserved for setting the assoc value to a non-table name, eg. the sql string in future |
|---|
| 118 | $this->UpdateActiveTable($pkeyarr); |
|---|
| 119 | } |
|---|
| 120 | |
|---|
| 121 | function __wakeup() |
|---|
| 122 | { |
|---|
| 123 | $class = get_class($this); |
|---|
| 124 | new $class; |
|---|
| 125 | } |
|---|
| 126 | |
|---|
| 127 | function _pluralize($table) |
|---|
| 128 | { |
|---|
| 129 | $ut = strtoupper($table); |
|---|
| 130 | $len = strlen($table); |
|---|
| 131 | $lastc = $ut[$len-1]; |
|---|
| 132 | $lastc2 = substr($ut,$len-2); |
|---|
| 133 | switch ($lastc) { |
|---|
| 134 | case 'S': |
|---|
| 135 | return $table.'es'; |
|---|
| 136 | case 'Y': |
|---|
| 137 | return substr($table,0,$len-1).'ies'; |
|---|
| 138 | case 'X': |
|---|
| 139 | return $table.'es'; |
|---|
| 140 | case 'H': |
|---|
| 141 | if ($lastc2 == 'CH' || $lastc2 == 'SH') |
|---|
| 142 | return $table.'es'; |
|---|
| 143 | default: |
|---|
| 144 | return $table.'s'; |
|---|
| 145 | } |
|---|
| 146 | } |
|---|
| 147 | |
|---|
| 148 | ////////////////////////////////// |
|---|
| 149 | |
|---|
| 150 | // update metadata |
|---|
| 151 | function UpdateActiveTable($pkeys=false,$forceUpdate=false) |
|---|
| 152 | { |
|---|
| 153 | global $ADODB_ASSOC_CASE,$_ADODB_ACTIVE_DBS , $ADODB_CACHE_DIR, $ADODB_ACTIVE_CACHESECS; |
|---|
| 154 | global $ADODB_ACTIVE_DEFVALS; |
|---|
| 155 | |
|---|
| 156 | $activedb =& $_ADODB_ACTIVE_DBS[$this->_dbat]; |
|---|
| 157 | |
|---|
| 158 | $table = $this->_table; |
|---|
| 159 | $tables = $activedb->tables; |
|---|
| 160 | $tableat = $this->_tableat; |
|---|
| 161 | if (!$forceUpdate && !empty($tables[$tableat])) { |
|---|
| 162 | $tobj =& $tables[$tableat]; |
|---|
| 163 | foreach($tobj->flds as $name => $fld) { |
|---|
| 164 | if ($ADODB_ACTIVE_DEFVALS && isset($fld->default_value)) |
|---|
| 165 | $this->$name = $fld->default_value; |
|---|
| 166 | else |
|---|
| 167 | $this->$name = null; |
|---|
| 168 | } |
|---|
| 169 | return; |
|---|
| 170 | } |
|---|
| 171 | |
|---|
| 172 | $db =& $activedb->db; |
|---|
| 173 | $fname = $ADODB_CACHE_DIR . '/adodb_' . $db->databaseType . '_active_'. $table . '.cache'; |
|---|
| 174 | if (!$forceUpdate && $ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR && file_exists($fname)) { |
|---|
| 175 | $fp = fopen($fname,'r'); |
|---|
| 176 | @flock($fp, LOCK_SH); |
|---|
| 177 | $acttab = unserialize(fread($fp,100000)); |
|---|
| 178 | fclose($fp); |
|---|
| 179 | if ($acttab->_created + $ADODB_ACTIVE_CACHESECS - (abs(rand()) % 16) > time()) { |
|---|
| 180 | // abs(rand()) randomizes deletion, reducing contention to delete/refresh file |
|---|
| 181 | // ideally, you should cache at least 32 secs |
|---|
| 182 | $activedb->tables[$table] = $acttab; |
|---|
| 183 | |
|---|
| 184 | //if ($db->debug) ADOConnection::outp("Reading cached active record file: $fname"); |
|---|
| 185 | return; |
|---|
| 186 | } else if ($db->debug) { |
|---|
| 187 | ADOConnection::outp("Refreshing cached active record file: $fname"); |
|---|
| 188 | } |
|---|
| 189 | } |
|---|
| 190 | $activetab = new ADODB_Active_Table(); |
|---|
| 191 | $activetab->name = $table; |
|---|
| 192 | |
|---|
| 193 | |
|---|
| 194 | $cols = $db->MetaColumns($table); |
|---|
| 195 | if (!$cols) { |
|---|
| 196 | $this->Error("Invalid table name: $table",'UpdateActiveTable'); |
|---|
| 197 | return false; |
|---|
| 198 | } |
|---|
| 199 | $fld = reset($cols); |
|---|
| 200 | if (!$pkeys) { |
|---|
| 201 | if (isset($fld->primary_key)) { |
|---|
| 202 | $pkeys = array(); |
|---|
| 203 | foreach($cols as $name => $fld) { |
|---|
| 204 | if (!empty($fld->primary_key)) $pkeys[] = $name; |
|---|
| 205 | } |
|---|
| 206 | } else |
|---|
| 207 | $pkeys = $this->GetPrimaryKeys($db, $table); |
|---|
| 208 | } |
|---|
| 209 | if (empty($pkeys)) { |
|---|
| 210 | $this->Error("No primary key found for table $table",'UpdateActiveTable'); |
|---|
| 211 | return false; |
|---|
| 212 | } |
|---|
| 213 | |
|---|
| 214 | $attr = array(); |
|---|
| 215 | $keys = array(); |
|---|
| 216 | |
|---|
| 217 | switch($ADODB_ASSOC_CASE) { |
|---|
| 218 | case 0: |
|---|
| 219 | foreach($cols as $name => $fldobj) { |
|---|
| 220 | $name = strtolower($name); |
|---|
| 221 | if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) |
|---|
| 222 | $this->$name = $fldobj->default_value; |
|---|
| 223 | else |
|---|
| 224 | $this->$name = null; |
|---|
| 225 | $attr[$name] = $fldobj; |
|---|
| 226 | } |
|---|
| 227 | foreach($pkeys as $k => $name) { |
|---|
| 228 | $keys[strtolower($name)] = strtolower($name); |
|---|
| 229 | } |
|---|
| 230 | break; |
|---|
| 231 | |
|---|
| 232 | case 1: |
|---|
| 233 | foreach($cols as $name => $fldobj) { |
|---|
| 234 | $name = strtoupper($name); |
|---|
| 235 | |
|---|
| 236 | if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) |
|---|
| 237 | $this->$name = $fldobj->default_value; |
|---|
| 238 | else |
|---|
| 239 | $this->$name = null; |
|---|
| 240 | $attr[$name] = $fldobj; |
|---|
| 241 | } |
|---|
| 242 | |
|---|
| 243 | foreach($pkeys as $k => $name) { |
|---|
| 244 | $keys[strtoupper($name)] = strtoupper($name); |
|---|
| 245 | } |
|---|
| 246 | break; |
|---|
| 247 | default: |
|---|
| 248 | foreach($cols as $name => $fldobj) { |
|---|
| 249 | $name = ($fldobj->name); |
|---|
| 250 | |
|---|
| 251 | if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) |
|---|
| 252 | $this->$name = $fldobj->default_value; |
|---|
| 253 | else |
|---|
| 254 | $this->$name = null; |
|---|
| 255 | $attr[$name] = $fldobj; |
|---|
| 256 | } |
|---|
| 257 | foreach($pkeys as $k => $name) { |
|---|
| 258 | $keys[$name] = $cols[$name]->name; |
|---|
| 259 | } |
|---|
| 260 | break; |
|---|
| 261 | } |
|---|
| 262 | |
|---|
| 263 | $activetab->keys = $keys; |
|---|
| 264 | $activetab->flds = $attr; |
|---|
| 265 | |
|---|
| 266 | if ($ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR) { |
|---|
| 267 | $activetab->_created = time(); |
|---|
| 268 | $s = serialize($activetab); |
|---|
| 269 | if (!function_exists('adodb_write_file')) include(ADODB_DIR.'/adodb-csvlib.inc.php'); |
|---|
| 270 | adodb_write_file($fname,$s); |
|---|
| 271 | } |
|---|
| 272 | $activedb->tables[$table] = $activetab; |
|---|
| 273 | } |
|---|
| 274 | |
|---|
| 275 | function GetPrimaryKeys(&$db, $table) |
|---|
| 276 | { |
|---|
| 277 | return $db->MetaPrimaryKeys($table); |
|---|
| 278 | } |
|---|
| 279 | |
|---|
| 280 | // error handler for both PHP4+5. |
|---|
| 281 | function Error($err,$fn) |
|---|
| 282 | { |
|---|
| 283 | global $_ADODB_ACTIVE_DBS; |
|---|
| 284 | |
|---|
| 285 | $fn = get_class($this).'::'.$fn; |
|---|
| 286 | $this->_lasterr = $fn.': '.$err; |
|---|
| 287 | |
|---|
| 288 | if ($this->_dbat < 0) $db = false; |
|---|
| 289 | else { |
|---|
| 290 | $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat]; |
|---|
| 291 | $db =& $activedb->db; |
|---|
| 292 | } |
|---|
| 293 | |
|---|
| 294 | if (function_exists('adodb_throw')) { |
|---|
| 295 | if (!$db) adodb_throw('ADOdb_Active_Record', $fn, -1, $err, 0, 0, false); |
|---|
| 296 | else adodb_throw($db->databaseType, $fn, -1, $err, 0, 0, $db); |
|---|
| 297 | } else |
|---|
| 298 | if (!$db || $db->debug) ADOConnection::outp($this->_lasterr); |
|---|
| 299 | |
|---|
| 300 | } |
|---|
| 301 | |
|---|
| 302 | // return last error message |
|---|
| 303 | function ErrorMsg() |
|---|
| 304 | { |
|---|
| 305 | if (!function_exists('adodb_throw')) { |
|---|
| 306 | if ($this->_dbat < 0) $db = false; |
|---|
| 307 | else $db = $this->DB(); |
|---|
| 308 | |
|---|
| 309 | // last error could be database error too |
|---|
| 310 | if ($db && $db->ErrorMsg()) return $db->ErrorMsg(); |
|---|
| 311 | } |
|---|
| 312 | return $this->_lasterr; |
|---|
| 313 | } |
|---|
| 314 | |
|---|
| 315 | function ErrorNo() |
|---|
| 316 | { |
|---|
| 317 | if ($this->_dbat < 0) return -9999; // no database connection... |
|---|
| 318 | $db = $this->DB(); |
|---|
| 319 | |
|---|
| 320 | return (int) $db->ErrorNo(); |
|---|
| 321 | } |
|---|
| 322 | |
|---|
| 323 | |
|---|
| 324 | // retrieve ADOConnection from _ADODB_Active_DBs |
|---|
| 325 | function &DB() |
|---|
| 326 | { |
|---|
| 327 | global $_ADODB_ACTIVE_DBS; |
|---|
| 328 | |
|---|
| 329 | if ($this->_dbat < 0) { |
|---|
| 330 | $false = false; |
|---|
| 331 | $this->Error("No database connection set: use ADOdb_Active_Record::SetDatabaseAdaptor(\$db)", "DB"); |
|---|
| 332 | return $false; |
|---|
| 333 | } |
|---|
| 334 | $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat]; |
|---|
| 335 | $db =& $activedb->db; |
|---|
| 336 | return $db; |
|---|
| 337 | } |
|---|
| 338 | |
|---|
| 339 | // retrieve ADODB_Active_Table |
|---|
| 340 | function &TableInfo() |
|---|
| 341 | { |
|---|
| 342 | global $_ADODB_ACTIVE_DBS; |
|---|
| 343 | |
|---|
| 344 | $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat]; |
|---|
| 345 | $table =& $activedb->tables[$this->_tableat]; |
|---|
| 346 | return $table; |
|---|
| 347 | } |
|---|
| 348 | |
|---|
| 349 | // I have an ON INSERT trigger on a table that sets other columns in the table. |
|---|
| 350 | // So, I find that for myTable, I want to reload an active record after saving it. -- Malcolm Cook |
|---|
| 351 | function Reload() |
|---|
| 352 | { |
|---|
| 353 | $db =& $this->DB(); if (!$db) return false; |
|---|
| 354 | $table =& $this->TableInfo(); |
|---|
| 355 | $where = $this->GenWhere($db, $table); |
|---|
| 356 | return($this->Load($where)); |
|---|
| 357 | } |
|---|
| 358 | |
|---|
| 359 | // set a numeric array (using natural table field ordering) as object properties |
|---|
| 360 | function Set(&$row) |
|---|
| 361 | { |
|---|
| 362 | global $ACTIVE_RECORD_SAFETY; |
|---|
| 363 | |
|---|
| 364 | $db =& $this->DB(); |
|---|
| 365 | |
|---|
| 366 | if (!$row) { |
|---|
| 367 | $this->_saved = false; |
|---|
| 368 | return false; |
|---|
| 369 | } |
|---|
| 370 | |
|---|
| 371 | $this->_saved = true; |
|---|
| 372 | |
|---|
| 373 | $table =& $this->TableInfo(); |
|---|
| 374 | if ($ACTIVE_RECORD_SAFETY && sizeof($table->flds) != sizeof($row)) { |
|---|
| 375 | $bad_size = TRUE; |
|---|
| 376 | if (sizeof($row) == 2 * sizeof($table->flds)) { |
|---|
| 377 | // Only keep string keys |
|---|
| 378 | $keys = array_filter(array_keys($row), 'is_string'); |
|---|
| 379 | if (sizeof($keys) == sizeof($table->flds)) |
|---|
| 380 | $bad_size = FALSE; |
|---|
| 381 | } |
|---|
| 382 | if ($bad_size) { |
|---|
| 383 | $this->Error("Table structure of $this->_table has changed","Load"); |
|---|
| 384 | return false; |
|---|
| 385 | } |
|---|
| 386 | } |
|---|
| 387 | else |
|---|
| 388 | $keys = array_keys($row); |
|---|
| 389 | |
|---|
| 390 | reset($keys); |
|---|
| 391 | $this->_original = array(); |
|---|
| 392 | foreach($table->flds as $name=>$fld) { |
|---|
| 393 | $value = $row[current($keys)]; |
|---|
| 394 | $this->$name = $value; |
|---|
| 395 | $this->_original[] = $value; |
|---|
| 396 | next($keys); |
|---|
| 397 | } |
|---|
| 398 | # </AP> |
|---|
| 399 | return true; |
|---|
| 400 | } |
|---|
| 401 | |
|---|
| 402 | // get last inserted id for INSERT |
|---|
| 403 | function LastInsertID(&$db,$fieldname) |
|---|
| 404 | { |
|---|
| 405 | if ($db->hasInsertID) |
|---|
| 406 | $val = $db->Insert_ID($this->_table,$fieldname); |
|---|
| 407 | else |
|---|
| 408 | $val = false; |
|---|
| 409 | |
|---|
| 410 | if (is_null($val) || $val === false) { |
|---|
| 411 | // this might not work reliably in multi-user environment |
|---|
| 412 | return $db->GetOne("select max(".$fieldname.") from ".$this->_table); |
|---|
| 413 | } |
|---|
| 414 | return $val; |
|---|
| 415 | } |
|---|
| 416 | |
|---|
| 417 | // quote data in where clause |
|---|
| 418 | function doquote(&$db, $val,$t) |
|---|
| 419 | { |
|---|
| 420 | switch($t) { |
|---|
| 421 | case 'D': |
|---|
| 422 | case 'T': |
|---|
| 423 | if (empty($val)) return 'null'; |
|---|
| 424 | |
|---|
| 425 | case 'B': |
|---|
| 426 | case 'N': |
|---|
| 427 | case 'C': |
|---|
| 428 | case 'X': |
|---|
| 429 | if (is_null($val)) return 'null'; |
|---|
| 430 | |
|---|
| 431 | if (strncmp($val,"'",1) != 0 && substr($val,strlen($val)-1,1) != "'") { |
|---|
| 432 | return $db->qstr($val); |
|---|
| 433 | break; |
|---|
| 434 | } |
|---|
| 435 | default: |
|---|
| 436 | return $val; |
|---|
| 437 | break; |
|---|
| 438 | } |
|---|
| 439 | } |
|---|
| 440 | |
|---|
| 441 | // generate where clause for an UPDATE/SELECT |
|---|
| 442 | function GenWhere(&$db, &$table) |
|---|
| 443 | { |
|---|
| 444 | $keys = $table->keys; |
|---|
| 445 | $parr = array(); |
|---|
| 446 | |
|---|
| 447 | foreach($keys as $k) { |
|---|
| 448 | $f = $table->flds[$k]; |
|---|
| 449 | if ($f) { |
|---|
| 450 | $parr[] = $k.' = '.$this->doquote($db,$this->$k,$db->MetaType($f->type)); |
|---|
| 451 | } |
|---|
| 452 | } |
|---|
| 453 | return implode(' and ', $parr); |
|---|
| 454 | } |
|---|
| 455 | |
|---|
| 456 | |
|---|
| 457 | //------------------------------------------------------------ Public functions below |
|---|
| 458 | |
|---|
| 459 | function Load($where,$bindarr=false) |
|---|
| 460 | { |
|---|
| 461 | $db =& $this->DB(); if (!$db) return false; |
|---|
| 462 | $this->_where = $where; |
|---|
| 463 | |
|---|
| 464 | $save = $db->SetFetchMode(ADODB_FETCH_NUM); |
|---|
| 465 | $row = $db->GetRow("select * from ".$this->_table.' WHERE '.$where,$bindarr); |
|---|
| 466 | $db->SetFetchMode($save); |
|---|
| 467 | |
|---|
| 468 | return $this->Set($row); |
|---|
| 469 | } |
|---|
| 470 | |
|---|
| 471 | // false on error |
|---|
| 472 | function Save() |
|---|
| 473 | { |
|---|
| 474 | if ($this->_saved) $ok = $this->Update(); |
|---|
| 475 | else $ok = $this->Insert(); |
|---|
| 476 | |
|---|
| 477 | return $ok; |
|---|
| 478 | } |
|---|
| 479 | |
|---|
| 480 | // false on error |
|---|
| 481 | function Insert() |
|---|
| 482 | { |
|---|
| 483 | $db =& $this->DB(); if (!$db) return false; |
|---|
| 484 | $cnt = 0; |
|---|
| 485 | $table =& $this->TableInfo(); |
|---|
| 486 | |
|---|
| 487 | $valarr = array(); |
|---|
| 488 | $names = array(); |
|---|
| 489 | $valstr = array(); |
|---|
| 490 | |
|---|
| 491 | foreach($table->flds as $name=>$fld) { |
|---|
| 492 | $val = $this->$name; |
|---|
| 493 | if(!is_null($val) || !array_key_exists($name, $table->keys)) { |
|---|
| 494 | $valarr[] = $val; |
|---|
| 495 | $names[] = $name; |
|---|
| 496 | $valstr[] = $db->Param($cnt); |
|---|
| 497 | $cnt += 1; |
|---|
| 498 | } |
|---|
| 499 | } |
|---|
| 500 | |
|---|
| 501 | if (empty($names)){ |
|---|
| 502 | foreach($table->flds as $name=>$fld) { |
|---|
| 503 | $valarr[] = null; |
|---|
| 504 | $names[] = $name; |
|---|
| 505 | $valstr[] = $db->Param($cnt); |
|---|
| 506 | $cnt += 1; |
|---|
| 507 | } |
|---|
| 508 | } |
|---|
| 509 | $sql = 'INSERT INTO '.$this->_table."(".implode(',',$names).') VALUES ('.implode(',',$valstr).')'; |
|---|
| 510 | $ok = $db->Execute($sql,$valarr); |
|---|
| 511 | |
|---|
| 512 | if ($ok) { |
|---|
| 513 | $this->_saved = true; |
|---|
| 514 | $autoinc = false; |
|---|
| 515 | foreach($table->keys as $k) { |
|---|
| 516 | if (is_null($this->$k)) { |
|---|
| 517 | $autoinc = true; |
|---|
| 518 | break; |
|---|
| 519 | } |
|---|
| 520 | } |
|---|
| 521 | if ($autoinc && sizeof($table->keys) == 1) { |
|---|
| 522 | $k = reset($table->keys); |
|---|
| 523 | $this->$k = $this->LastInsertID($db,$k); |
|---|
| 524 | } |
|---|
| 525 | } |
|---|
| 526 | |
|---|
| 527 | $this->_original = $valarr; |
|---|
| 528 | return !empty($ok); |
|---|
| 529 | } |
|---|
| 530 | |
|---|
| 531 | function Delete() |
|---|
| 532 | { |
|---|
| 533 | $db =& $this->DB(); if (!$db) return false; |
|---|
| 534 | $table =& $this->TableInfo(); |
|---|
| 535 | |
|---|
| 536 | $where = $this->GenWhere($db,$table); |
|---|
| 537 | $sql = 'DELETE FROM '.$this->_table.' WHERE '.$where; |
|---|
| 538 | $ok = $db->Execute($sql); |
|---|
| 539 | |
|---|
| 540 | return $ok ? true : false; |
|---|
| 541 | } |
|---|
| 542 | |
|---|
| 543 | // returns an array of active record objects |
|---|
| 544 | function &Find($whereOrderBy,$bindarr=false,$pkeysArr=false) |
|---|
| 545 | { |
|---|
| 546 | $db =& $this->DB(); if (!$db || empty($this->_table)) return false; |
|---|
| 547 | $arr =& $db->GetActiveRecordsClass(get_class($this),$this->_table, $whereOrderBy,$bindarr,$pkeysArr); |
|---|
| 548 | return $arr; |
|---|
| 549 | } |
|---|
| 550 | |
|---|
| 551 | // returns 0 on error, 1 on update, 2 on insert |
|---|
| 552 | function Replace() |
|---|
| 553 | { |
|---|
| 554 | global $ADODB_ASSOC_CASE; |
|---|
| 555 | |
|---|
| 556 | $db =& $this->DB(); if (!$db) return false; |
|---|
| 557 | $table =& $this->TableInfo(); |
|---|
| 558 | |
|---|
| 559 | $pkey = $table->keys; |
|---|
| 560 | |
|---|
| 561 | foreach($table->flds as $name=>$fld) { |
|---|
| 562 | $val = $this->$name; |
|---|
| 563 | /* |
|---|
| 564 | if (is_null($val)) { |
|---|
| 565 | if (isset($fld->not_null) && $fld->not_null) { |
|---|
| 566 | if (isset($fld->default_value) && strlen($fld->default_value)) continue; |
|---|
| 567 | else { |
|---|
| 568 | $this->Error("Cannot update null into $name","Replace"); |
|---|
| 569 | return false; |
|---|
| 570 | } |
|---|
| 571 | } |
|---|
| 572 | }*/ |
|---|
| 573 | if (is_null($val) && !empty($fld->auto_increment)) { |
|---|
| 574 | continue; |
|---|
| 575 | } |
|---|
| 576 | $t = $db->MetaType($fld->type); |
|---|
| 577 | $arr[$name] = $this->doquote($db,$val,$t); |
|---|
| 578 | $valarr[] = $val; |
|---|
| 579 | } |
|---|
| 580 | |
|---|
| 581 | if (!is_array($pkey)) $pkey = array($pkey); |
|---|
| 582 | |
|---|
| 583 | |
|---|
| 584 | if ($ADODB_ASSOC_CASE == 0) |
|---|
| 585 | foreach($pkey as $k => $v) |
|---|
| 586 | $pkey[$k] = strtolower($v); |
|---|
| 587 | elseif ($ADODB_ASSOC_CASE == 1) |
|---|
| 588 | foreach($pkey as $k => $v) |
|---|
| 589 | $pkey[$k] = strtoupper($v); |
|---|
| 590 | |
|---|
| 591 | $ok = $db->Replace($this->_table,$arr,$pkey); |
|---|
| 592 | if ($ok) { |
|---|
| 593 | $this->_saved = true; // 1= update 2=insert |
|---|
| 594 | if ($ok == 2) { |
|---|
| 595 | $autoinc = false; |
|---|
| 596 | foreach($table->keys as $k) { |
|---|
| 597 | if (is_null($this->$k)) { |
|---|
| 598 | $autoinc = true; |
|---|
| 599 | break; |
|---|
| 600 | } |
|---|
| 601 | } |
|---|
| 602 | if ($autoinc && sizeof($table->keys) == 1) { |
|---|
| 603 | $k = reset($table->keys); |
|---|
| 604 | $this->$k = $this->LastInsertID($db,$k); |
|---|
| 605 | } |
|---|
| 606 | } |
|---|
| 607 | |
|---|
| 608 | $this->_original =& $valarr; |
|---|
| 609 | } |
|---|
| 610 | return $ok; |
|---|
| 611 | } |
|---|
| 612 | |
|---|
| 613 | // returns 0 on error, 1 on update, -1 if no change in data (no update) |
|---|
| 614 | function Update() |
|---|
| 615 | { |
|---|
| 616 | $db =& $this->DB(); if (!$db) return false; |
|---|
| 617 | $table =& $this->TableInfo(); |
|---|
| 618 | |
|---|
| 619 | $where = $this->GenWhere($db, $table); |
|---|
| 620 | |
|---|
| 621 | if (!$where) { |
|---|
| 622 | $this->error("Where missing for table $table", "Update"); |
|---|
| 623 | return false; |
|---|
| 624 | } |
|---|
| 625 | $valarr = array(); |
|---|
| 626 | $neworig = array(); |
|---|
| 627 | $pairs = array(); |
|---|
| 628 | $i = -1; |
|---|
| 629 | $cnt = 0; |
|---|
| 630 | foreach($table->flds as $name=>$fld) { |
|---|
| 631 | $i += 1; |
|---|
| 632 | $val = $this->$name; |
|---|
| 633 | $neworig[] = $val; |
|---|
| 634 | |
|---|
| 635 | if (isset($table->keys[$name])) { |
|---|
| 636 | continue; |
|---|
| 637 | } |
|---|
| 638 | |
|---|
| 639 | if (is_null($val)) { |
|---|
| 640 | if (isset($fld->not_null) && $fld->not_null) { |
|---|
| 641 | if (isset($fld->default_value) && strlen($fld->default_value)) continue; |
|---|
| 642 | else { |
|---|
| 643 | $this->Error("Cannot set field $name to NULL","Update"); |
|---|
| 644 | return false; |
|---|
| 645 | } |
|---|
| 646 | } |
|---|
| 647 | } |
|---|
| 648 | |
|---|
| 649 | if (isset($this->_original[$i]) && $val == $this->_original[$i]) { |
|---|
| 650 | continue; |
|---|
| 651 | } |
|---|
| 652 | $valarr[] = $val; |
|---|
| 653 | $pairs[] = $name.'='.$db->Param($cnt); |
|---|
| 654 | $cnt += 1; |
|---|
| 655 | } |
|---|
| 656 | |
|---|
| 657 | |
|---|
| 658 | if (!$cnt) return -1; |
|---|
| 659 | $sql = 'UPDATE '.$this->_table." SET ".implode(",",$pairs)." WHERE ".$where; |
|---|
| 660 | $ok = $db->Execute($sql,$valarr); |
|---|
| 661 | if ($ok) { |
|---|
| 662 | $this->_original =& $neworig; |
|---|
| 663 | return 1; |
|---|
| 664 | } |
|---|
| 665 | return 0; |
|---|
| 666 | } |
|---|
| 667 | |
|---|
| 668 | function GetAttributeNames() |
|---|
| 669 | { |
|---|
| 670 | $table =& $this->TableInfo(); |
|---|
| 671 | if (!$table) return false; |
|---|
| 672 | return array_keys($table->flds); |
|---|
| 673 | } |
|---|
| 674 | |
|---|
| 675 | }; |
|---|
| 676 | |
|---|
| 677 | ?> |
|---|