ultimix
mssql_database.php
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1 <?php
2 
3  /*
4  * This source code is a part of the Ultimix Project.
5  * It is distributed under BSD license. All other third side source code (like tinyMCE) is distributed under
6  * it's own license wich could be found from the corresponding files or sources.
7  * This source code is provided "as is" without any warranties or garanties.
8  *
9  * Have a nice day!
10  *
11  * @url http://ultimix.sorceforge.net
12  *
13  * @author Alexey "gdever" Dodonov
14  */
15 
26  class mssql_database_1_0_0{
27 
38  var $Connection = false;
39 
50  static $LockedTables = false;
51 
62  static $LockModes = false;
63 
76  static $QueryMode = DB_ASSOC_ARRAY;
77 
88  var $Config = false;
89 
100  var $Host;
101  var $Username;
102  var $Password;
103  var $Database;
104  var $TablenamePrefix;
105  var $DBLogging;
106 
125  function connect( $ConfigRow )
126  {
127  try
128  {
129  $Config = explode( "#" , $ConfigRow );
130  $this->Host = $Config[ 0 ];
131  $this->Username = $Config[ 1 ];
132  $this->Password = $Config[ 2 ];
133  $this->Database = $Config[ 3 ];
134  $this->TablenamePrefix = $Config[ 4 ];
135 
136  $this->Connection = mssql_pconnect( $this->Host , $this->Username , $this->Password );
137  mssql_select_db( $this->Database , $this->Connection );
138  }
139  catch( Exception $e )
140  {
141  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
142  }
143  }
144 
163  function get_connection( $ForceReconnect = false )
164  {
165  try
166  {
167  if( $this->Connection === false || $ForceReconnect ===true )
168  {
169  if( $this->Connection !== false )
170  {
171  mssql_close( $this->Connection );
172  }
173  $DBConfigSet = get_package( 'database::db_config_set' , 'last' , __FILE__ );
174  $DBConfigSet->load_config( dirname( __FILE__ ).'/conf/cf_mssql_database' );
175  $this->Connection = $DBConfigSet->connect( $this );
176  if( mssql_get_last_message() !== false )
177  {
178  throw(
179  new Exception(
180  'An error occured while setting connection to the database '.mssql_get_last_message()
181  )
182  );
183  }
184  }
185  return( $this->Connection );
186  }
187  catch( Exception $e )
188  {
189  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
190  }
191  }
192 
211  function query( $Query )
212  {
213  try
214  {
215  $Connection = $this->get_connection();
216 
217  $Query = str_replace( 'umx_' , $this->TablenamePrefix , $Query );
218 
219  $Result = $Connection->query( $Query );
220 
221  if( $Connection->errno !== 0 )
222  {
223  throw( new Exception( 'An error occured while query execution '.$Connection->error ) );
224  }
225 
226  return( $Result );
227  }
228  catch( Exception $e )
229  {
230  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
231  }
232  }
233 
252  function query_as( $theQueryMode )
253  {
254  try
255  {
256  self::$QueryMode = $theQueryMode;
257  }
258  catch( Exception $e )
259  {
260  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
261  }
262  }
263 
294  function select( $What , $Tables , $Condition = '1 = 1' )
295  {
296  try
297  {
298  $Result = $this->query( "SELECT $What FROM $Tables WHERE $Condition" );
299 
300  return( $this->fetch_results( $Result ) );
301  }
302  catch( Exception $e )
303  {
304  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
305  }
306  }
307 
330  function fetch_results( $Result )
331  {
332  try
333  {
334  $RetValues = array();
335 
336  for( $i = 0; $i < $Result->num_rows ; $i++ )
337  {
338  if( self::$QueryMode == DB_ASSOC_ARRAY )
339  {
340  $RetValues [] = $Result->fetch_array( MYSQLI_ASSOC );
341  }
342  elseif( self::$QueryMode == DB_OBJECT )
343  {
344  $RetValues [] = $Result->fetch_object();
345  }
346  }
347 
348  $Result->close();
349 
350  return( $RetValues );
351  }
352  catch( Exception $e )
353  {
354  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
355  }
356  }
357 
384  function insert( $Table , $Fields , $Values )
385  {
386  try
387  {
388  $this->query( "INSERT INTO $Table ( $Fields ) VALUES ( $Values )" );
389  }
390  catch( Exception $e )
391  {
392  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
393  }
394  }
395 
418  function delete( $Table , $Condition = '1 = 1' )
419  {
420  try
421  {
422  $this->query( "DELETE FROM $Table WHERE $Condition" );
423  }
424  catch( Exception $e )
425  {
426  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
427  }
428  }
429 
460  function update( $Table , $Fields , $Values , $Condition = '1 = 1' )
461  {
462  try
463  {
464  $SubQuery = '';
465 
466  for( $i = 0 ; $i < count( $Fields ) - 1 ; $i++ )
467  {
468  $SubQuery .= $Fields[ $i ].' = '.$Values[ $i ].' , ';
469  }
470  $SubQuery .= $Fields[ count( $Fields ) - 1 ].' = '.$Values[ count( $Fields ) - 1 ];
471 
472  $this->query( "UPDATE $Table SET $SubQuery WHERE $Condition" );
473  }
474  catch( Exception $e )
475  {
476  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
477  }
478  }
479 
502  function create( $Table , $FirstIndexField = 'id' )
503  {
504  try
505  {
506  $this->query(
507  "CREATE TABLE `$Table` ( `$FirstIndexField` INTEGER UNSIGNED NOT NULL DEFAULT NULL ".
508  "AUTO_INCREMENT , PRIMARY KEY ( `$FirstIndexField` ) )"
509  );
510  }
511  catch( Exception $e )
512  {
513  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
514  }
515  }
516 
535  function drop( $Table )
536  {
537  try
538  {
539  $this->query( "DROP TABLE $Table" );
540  }
541  catch( Exception $e )
542  {
543  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
544  }
545  }
546 
577  function add_column( $Table , $ColumnName , $Type , $Mode = 'NOT NULL AFTER `id`' )
578  {
579  try
580  {
581  $this->query( "ALTER TABLE `$Table` ADD COLUMN `$ColumnName` $Type $Mode" );
582  }
583  catch( Exception $e )
584  {
585  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
586  }
587  }
588 
611  function drop_column( $Table , $ColumnName )
612  {
613  try
614  {
615  $this->query( "ALTER TABLE `$Table` DROP COLUMN `$ColumnName`" );
616  }
617  catch( Exception $e )
618  {
619  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
620  }
621  }
622 
645  function lock( $Tables , $Modes )
646  {
647  try
648  {
649  throw( new Exception( "Table locking unavailable" ) );
650  }
651  catch( Exception $e )
652  {
653  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
654  }
655  }
656 
671  function unlock()
672  {
673  try
674  {
675  throw( new Exception( "Table locking unavailable" ) );
676  }
677  catch( Exception $e )
678  {
679  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
680  }
681  }
682 
701  function savepoint( $Savepoint )
702  {
703  try
704  {
705  $this->query( 'SAVEPOINT '.$Savepoint );
706  }
707  catch( Exception $e )
708  {
709  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
710  }
711  }
712 
731  function rollback( $Savepoint )
732  {
733  try
734  {
735  $this->query( 'ROLLBACK TO SAVEPOINT '.$Savepoint );
736  }
737  catch( Exception $e )
738  {
739  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
740  }
741  }
742 
757  function transaction()
758  {
759  try
760  {
761  $this->query( 'START TRANSACTION' );
762  }
763  catch( Exception $e )
764  {
765  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
766  }
767  }
768 
783  function commit()
784  {
785  try
786  {
787  $this->query( 'COMMIT' );
788  }
789  catch( Exception $e )
790  {
791  $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
792  }
793  }
794  }
795 
796 ?>