724 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			724 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
|   | <?php | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | PHP versions 4 and 5                                                 |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |
 | ||
|  | // | Stig. S. Bakken, Lukas Smith                                         |
 | ||
|  | // | All rights reserved.                                                 |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
 | ||
|  | // | API as well as database abstraction for PHP applications.            |
 | ||
|  | // | This LICENSE is in the BSD license style.                            |
 | ||
|  | // |                                                                      |
 | ||
|  | // | Redistribution and use in source and binary forms, with or without   |
 | ||
|  | // | modification, are permitted provided that the following conditions   |
 | ||
|  | // | are met:                                                             |
 | ||
|  | // |                                                                      |
 | ||
|  | // | Redistributions of source code must retain the above copyright       |
 | ||
|  | // | notice, this list of conditions and the following disclaimer.        |
 | ||
|  | // |                                                                      |
 | ||
|  | // | Redistributions in binary form must reproduce the above copyright    |
 | ||
|  | // | notice, this list of conditions and the following disclaimer in the  |
 | ||
|  | // | documentation and/or other materials provided with the distribution. |
 | ||
|  | // |                                                                      |
 | ||
|  | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
 | ||
|  | // | Lukas Smith nor the names of his contributors may be used to endorse |
 | ||
|  | // | or promote products derived from this software without specific prior|
 | ||
|  | // | written permission.                                                  |
 | ||
|  | // |                                                                      |
 | ||
|  | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
 | ||
|  | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
 | ||
|  | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
 | ||
|  | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
 | ||
|  | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
 | ||
|  | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
 | ||
|  | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
 | ||
|  | // |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
 | ||
|  | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
 | ||
|  | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
 | ||
|  | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
 | ||
|  | // | POSSIBILITY OF SUCH DAMAGE.                                          |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | //
 | ||
|  | // $Id$
 | ||
|  | 
 | ||
|  | /** | ||
|  |  * @package  MDB2 | ||
|  |  * @category Database | ||
|  |  * @author   Lukas Smith <smith@pooteeweet.org> | ||
|  |  */ | ||
|  | 
 | ||
|  | /** | ||
|  |  * Used by autoPrepare() | ||
|  |  */ | ||
|  | define('MDB2_AUTOQUERY_INSERT', 1); | ||
|  | define('MDB2_AUTOQUERY_UPDATE', 2); | ||
|  | define('MDB2_AUTOQUERY_DELETE', 3); | ||
|  | define('MDB2_AUTOQUERY_SELECT', 4); | ||
|  | 
 | ||
|  | /** | ||
|  |  * MDB2_Extended: class which adds several high level methods to MDB2 | ||
|  |  * | ||
|  |  * @package MDB2 | ||
|  |  * @category Database | ||
|  |  * @author Lukas Smith <smith@pooteeweet.org> | ||
|  |  */ | ||
|  | class MDB2_Extended extends MDB2_Module_Common | ||
|  | { | ||
|  |     // {{{ autoPrepare()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Generate an insert, update or delete query and call prepare() on it | ||
|  |      * | ||
|  |      * @param string table | ||
|  |      * @param array the fields names | ||
|  |      * @param int type of query to build | ||
|  |      *                          MDB2_AUTOQUERY_INSERT | ||
|  |      *                          MDB2_AUTOQUERY_UPDATE | ||
|  |      *                          MDB2_AUTOQUERY_DELETE | ||
|  |      *                          MDB2_AUTOQUERY_SELECT | ||
|  |      * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement) | ||
|  |      * @param array that contains the types of the placeholders | ||
|  |      * @param mixed array that contains the types of the columns in | ||
|  |      *                        the result set or MDB2_PREPARE_RESULT, if set to | ||
|  |      *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query | ||
|  |      * | ||
|  |      * @return resource handle for the query | ||
|  |      * @see buildManipSQL | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function autoPrepare($table, $table_fields, $mode = MDB2_AUTOQUERY_INSERT, | ||
|  |         $where = false, $types = null, $result_types = MDB2_PREPARE_MANIP) | ||
|  |     { | ||
|  |         $query = $this->buildManipSQL($table, $table_fields, $mode, $where); | ||
|  |         if (MDB2::isError($query)) { | ||
|  |             return $query; | ||
|  |         } | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  |         $lobs = array(); | ||
|  |         foreach ((array)$types as $param => $type) { | ||
|  |             if (($type == 'clob') || ($type == 'blob')) { | ||
|  |                 $lobs[$param] = $table_fields[$param]; | ||
|  |             } | ||
|  |         } | ||
|  |         return $db->prepare($query, $types, $result_types, $lobs); | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ autoExecute()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Generate an insert, update or delete query and call prepare() and execute() on it | ||
|  |      * | ||
|  |      * @param string name of the table | ||
|  |      * @param array assoc ($key=>$value) where $key is a field name and $value its value | ||
|  |      * @param int type of query to build | ||
|  |      *                          MDB2_AUTOQUERY_INSERT | ||
|  |      *                          MDB2_AUTOQUERY_UPDATE | ||
|  |      *                          MDB2_AUTOQUERY_DELETE | ||
|  |      *                          MDB2_AUTOQUERY_SELECT | ||
|  |      * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement) | ||
|  |      * @param array that contains the types of the placeholders | ||
|  |      * @param string which specifies which result class to use | ||
|  |      * @param mixed  array that contains the types of the columns in | ||
|  |      *                        the result set or MDB2_PREPARE_RESULT, if set to | ||
|  |      *                        MDB2_PREPARE_MANIP the query is handled as a manipulation query | ||
|  |      * | ||
|  |      * @return bool|MDB2_Error true on success, a MDB2 error on failure | ||
|  |      * @see buildManipSQL | ||
|  |      * @see autoPrepare | ||
|  |      * @access public | ||
|  |     */ | ||
|  |     function autoExecute($table, $fields_values, $mode = MDB2_AUTOQUERY_INSERT, | ||
|  |         $where = false, $types = null, $result_class = true, $result_types = MDB2_PREPARE_MANIP) | ||
|  |     { | ||
|  |         $fields_values = (array)$fields_values; | ||
|  |         if ($mode == MDB2_AUTOQUERY_SELECT) { | ||
|  |             if (is_array($result_types)) { | ||
|  |                 $keys = array_keys($result_types); | ||
|  |             } elseif (!empty($fields_values)) { | ||
|  |                 $keys = $fields_values; | ||
|  |             } else { | ||
|  |                 $keys = array(); | ||
|  |             } | ||
|  |         } else { | ||
|  |             $keys = array_keys($fields_values); | ||
|  |         } | ||
|  |         $params = array_values($fields_values); | ||
|  |         if (empty($params)) { | ||
|  |             $query = $this->buildManipSQL($table, $keys, $mode, $where); | ||
|  | 
 | ||
|  |             $db = $this->getDBInstance(); | ||
|  |             if (MDB2::isError($db)) { | ||
|  |                 return $db; | ||
|  |             } | ||
|  |             if ($mode == MDB2_AUTOQUERY_SELECT) { | ||
|  |                 $result = $db->query($query, $result_types, $result_class); | ||
|  |             } else { | ||
|  |                 $result = $db->exec($query); | ||
|  |             } | ||
|  |         } else { | ||
|  |             $stmt = $this->autoPrepare($table, $keys, $mode, $where, $types, $result_types); | ||
|  |             if (MDB2::isError($stmt)) { | ||
|  |                 return $stmt; | ||
|  |             } | ||
|  |             $result = $stmt->execute($params, $result_class); | ||
|  |             $stmt->free(); | ||
|  |         } | ||
|  |         return $result; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ buildManipSQL()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Make automaticaly an sql query for prepare() | ||
|  |      * | ||
|  |      * Example : buildManipSQL('table_sql', array('field1', 'field2', 'field3'), MDB2_AUTOQUERY_INSERT) | ||
|  |      *           will return the string : INSERT INTO table_sql (field1,field2,field3) VALUES (?,?,?) | ||
|  |      * NB : - This belongs more to a SQL Builder class, but this is a simple facility | ||
|  |      *      - Be carefull ! If you don't give a $where param with an UPDATE/DELETE query, all | ||
|  |      *        the records of the table will be updated/deleted ! | ||
|  |      * | ||
|  |      * @param string name of the table | ||
|  |      * @param ordered array containing the fields names | ||
|  |      * @param int type of query to build | ||
|  |      *                          MDB2_AUTOQUERY_INSERT | ||
|  |      *                          MDB2_AUTOQUERY_UPDATE | ||
|  |      *                          MDB2_AUTOQUERY_DELETE | ||
|  |      *                          MDB2_AUTOQUERY_SELECT | ||
|  |      * @param string (in case of update and delete queries, this string will be put after the sql WHERE statement) | ||
|  |      * | ||
|  |      * @return string sql query for prepare() | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function buildManipSQL($table, $table_fields, $mode, $where = false) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         if ($db->options['quote_identifier']) { | ||
|  |             $table = $db->quoteIdentifier($table); | ||
|  |         } | ||
|  | 
 | ||
|  |         if (!empty($table_fields) && $db->options['quote_identifier']) { | ||
|  |             foreach ($table_fields as $key => $field) { | ||
|  |                 $table_fields[$key] = $db->quoteIdentifier($field); | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         if ((false !== $where) && (null !== $where)) { | ||
|  |             if (is_array($where)) { | ||
|  |                 $where = implode(' AND ', $where); | ||
|  |             } | ||
|  |             $where = ' WHERE '.$where; | ||
|  |         } | ||
|  | 
 | ||
|  |         switch ($mode) { | ||
|  |         case MDB2_AUTOQUERY_INSERT: | ||
|  |             if (empty($table_fields)) { | ||
|  |                 return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | ||
|  |                 'Insert requires table fields', __FUNCTION__); | ||
|  |             } | ||
|  |             $cols = implode(', ', $table_fields); | ||
|  |             $values = '?'.str_repeat(', ?', (count($table_fields) - 1)); | ||
|  |             return 'INSERT INTO '.$table.' ('.$cols.') VALUES ('.$values.')'; | ||
|  |             break; | ||
|  |         case MDB2_AUTOQUERY_UPDATE: | ||
|  |             if (empty($table_fields)) { | ||
|  |                 return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | ||
|  |                 'Update requires table fields', __FUNCTION__); | ||
|  |             } | ||
|  |             $set = implode(' = ?, ', $table_fields).' = ?'; | ||
|  |             $sql = 'UPDATE '.$table.' SET '.$set.$where; | ||
|  |             return $sql; | ||
|  |             break; | ||
|  |         case MDB2_AUTOQUERY_DELETE: | ||
|  |             $sql = 'DELETE FROM '.$table.$where; | ||
|  |             return $sql; | ||
|  |             break; | ||
|  |         case MDB2_AUTOQUERY_SELECT: | ||
|  |             $cols = !empty($table_fields) ? implode(', ', $table_fields) : '*'; | ||
|  |             $sql = 'SELECT '.$cols.' FROM '.$table.$where; | ||
|  |             return $sql; | ||
|  |             break; | ||
|  |         } | ||
|  |         return $db->raiseError(MDB2_ERROR_SYNTAX, null, null, | ||
|  |                 'Non existant mode', __FUNCTION__); | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ limitQuery()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Generates a limited query | ||
|  |      * | ||
|  |      * @param string query | ||
|  |      * @param array that contains the types of the columns in the result set | ||
|  |      * @param integer the numbers of rows to fetch | ||
|  |      * @param integer the row to start to fetching | ||
|  |      * @param string which specifies which result class to use | ||
|  |      * @param mixed   string which specifies which class to wrap results in | ||
|  |      * | ||
|  |      * @return MDB2_Result|MDB2_Error result set on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function limitQuery($query, $types, $limit, $offset = 0, $result_class = true, | ||
|  |         $result_wrap_class = false) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         $result = $db->setLimit($limit, $offset); | ||
|  |         if (MDB2::isError($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  |         return $db->query($query, $types, $result_class, $result_wrap_class); | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ execParam()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Execute a parameterized DML statement. | ||
|  |      * | ||
|  |      * @param string the SQL query | ||
|  |      * @param array if supplied, prepare/execute will be used | ||
|  |      *       with this array as execute parameters | ||
|  |      * @param array that contains the types of the values defined in $params | ||
|  |      * | ||
|  |      * @return int|MDB2_Error affected rows on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function execParam($query, $params = array(), $param_types = null) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         settype($params, 'array'); | ||
|  |         if (empty($params)) { | ||
|  |             return $db->exec($query); | ||
|  |         } | ||
|  | 
 | ||
|  |         $stmt = $db->prepare($query, $param_types, MDB2_PREPARE_MANIP); | ||
|  |         if (MDB2::isError($stmt)) { | ||
|  |             return $stmt; | ||
|  |         } | ||
|  | 
 | ||
|  |         $result = $stmt->execute($params); | ||
|  |         if (MDB2::isError($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  | 
 | ||
|  |         $stmt->free(); | ||
|  |         return $result; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ getOne()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Fetch the first column of the first row of data returned from a query. | ||
|  |      * Takes care of doing the query and freeing the results when finished. | ||
|  |      * | ||
|  |      * @param string the SQL query | ||
|  |      * @param string that contains the type of the column in the result set | ||
|  |      * @param array if supplied, prepare/execute will be used | ||
|  |      *       with this array as execute parameters | ||
|  |      * @param array that contains the types of the values defined in $params | ||
|  |      * @param int|string which column to return | ||
|  |      * | ||
|  |      * @return scalar|MDB2_Error data on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function getOne($query, $type = null, $params = array(), | ||
|  |         $param_types = null, $colnum = 0) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         settype($params, 'array'); | ||
|  |         settype($type, 'array'); | ||
|  |         if (empty($params)) { | ||
|  |             return $db->queryOne($query, $type, $colnum); | ||
|  |         } | ||
|  | 
 | ||
|  |         $stmt = $db->prepare($query, $param_types, $type); | ||
|  |         if (MDB2::isError($stmt)) { | ||
|  |             return $stmt; | ||
|  |         } | ||
|  | 
 | ||
|  |         $result = $stmt->execute($params); | ||
|  |         if (!MDB2::isResultCommon($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  | 
 | ||
|  |         $one = $result->fetchOne($colnum); | ||
|  |         $stmt->free(); | ||
|  |         $result->free(); | ||
|  |         return $one; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ getRow()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Fetch the first row of data returned from a query.  Takes care | ||
|  |      * of doing the query and freeing the results when finished. | ||
|  |      * | ||
|  |      * @param string the SQL query | ||
|  |      * @param array that contains the types of the columns in the result set | ||
|  |      * @param array if supplied, prepare/execute will be used | ||
|  |      *       with this array as execute parameters | ||
|  |      * @param array that contains the types of the values defined in $params | ||
|  |      * @param int the fetch mode to use | ||
|  |      * | ||
|  |      * @return array|MDB2_Error data on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function getRow($query, $types = null, $params = array(), | ||
|  |         $param_types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         settype($params, 'array'); | ||
|  |         if (empty($params)) { | ||
|  |             return $db->queryRow($query, $types, $fetchmode); | ||
|  |         } | ||
|  | 
 | ||
|  |         $stmt = $db->prepare($query, $param_types, $types); | ||
|  |         if (MDB2::isError($stmt)) { | ||
|  |             return $stmt; | ||
|  |         } | ||
|  | 
 | ||
|  |         $result = $stmt->execute($params); | ||
|  |         if (!MDB2::isResultCommon($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  | 
 | ||
|  |         $row = $result->fetchRow($fetchmode); | ||
|  |         $stmt->free(); | ||
|  |         $result->free(); | ||
|  |         return $row; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ getCol()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Fetch a single column from a result set and return it as an | ||
|  |      * indexed array. | ||
|  |      * | ||
|  |      * @param string the SQL query | ||
|  |      * @param string that contains the type of the column in the result set | ||
|  |      * @param array if supplied, prepare/execute will be used | ||
|  |      *       with this array as execute parameters | ||
|  |      * @param array that contains the types of the values defined in $params | ||
|  |      * @param int|string which column to return | ||
|  |      * | ||
|  |      * @return array|MDB2_Error data on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function getCol($query, $type = null, $params = array(), | ||
|  |         $param_types = null, $colnum = 0) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         settype($params, 'array'); | ||
|  |         settype($type, 'array'); | ||
|  |         if (empty($params)) { | ||
|  |             return $db->queryCol($query, $type, $colnum); | ||
|  |         } | ||
|  | 
 | ||
|  |         $stmt = $db->prepare($query, $param_types, $type); | ||
|  |         if (MDB2::isError($stmt)) { | ||
|  |             return $stmt; | ||
|  |         } | ||
|  | 
 | ||
|  |         $result = $stmt->execute($params); | ||
|  |         if (!MDB2::isResultCommon($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  | 
 | ||
|  |         $col = $result->fetchCol($colnum); | ||
|  |         $stmt->free(); | ||
|  |         $result->free(); | ||
|  |         return $col; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ getAll()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Fetch all the rows returned from a query. | ||
|  |      * | ||
|  |      * @param string the SQL query | ||
|  |      * @param array that contains the types of the columns in the result set | ||
|  |      * @param array if supplied, prepare/execute will be used | ||
|  |      *       with this array as execute parameters | ||
|  |      * @param array that contains the types of the values defined in $params | ||
|  |      * @param int the fetch mode to use | ||
|  |      * @param bool if set to true, the $all will have the first | ||
|  |      *       column as its first dimension | ||
|  |      * @param bool $force_array used only when the query returns exactly | ||
|  |      *       two columns. If true, the values of the returned array will be | ||
|  |      *       one-element arrays instead of scalars. | ||
|  |      * @param bool $group if true, the values of the returned array is | ||
|  |      *       wrapped in another array.  If the same key value (in the first | ||
|  |      *       column) repeats itself, the values will be appended to this array | ||
|  |      *       instead of overwriting the existing values. | ||
|  |      * | ||
|  |      * @return array|MDB2_Error data on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function getAll($query, $types = null, $params = array(), | ||
|  |         $param_types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT, | ||
|  |         $rekey = false, $force_array = false, $group = false) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         settype($params, 'array'); | ||
|  |         if (empty($params)) { | ||
|  |             return $db->queryAll($query, $types, $fetchmode, $rekey, $force_array, $group); | ||
|  |         } | ||
|  | 
 | ||
|  |         $stmt = $db->prepare($query, $param_types, $types); | ||
|  |         if (MDB2::isError($stmt)) { | ||
|  |             return $stmt; | ||
|  |         } | ||
|  | 
 | ||
|  |         $result = $stmt->execute($params); | ||
|  |         if (!MDB2::isResultCommon($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  | 
 | ||
|  |         $all = $result->fetchAll($fetchmode, $rekey, $force_array, $group); | ||
|  |         $stmt->free(); | ||
|  |         $result->free(); | ||
|  |         return $all; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ getAssoc()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Fetch the entire result set of a query and return it as an | ||
|  |      * associative array using the first column as the key. | ||
|  |      * | ||
|  |      * If the result set contains more than two columns, the value | ||
|  |      * will be an array of the values from column 2-n.  If the result | ||
|  |      * set contains only two columns, the returned value will be a | ||
|  |      * scalar with the value of the second column (unless forced to an | ||
|  |      * array with the $force_array parameter).  A MDB2 error code is | ||
|  |      * returned on errors.  If the result set contains fewer than two | ||
|  |      * columns, a MDB2_ERROR_TRUNCATED error is returned. | ||
|  |      * | ||
|  |      * For example, if the table 'mytable' contains: | ||
|  |      * <pre> | ||
|  |      *   ID      TEXT       DATE | ||
|  |      * -------------------------------- | ||
|  |      *   1       'one'      944679408 | ||
|  |      *   2       'two'      944679408 | ||
|  |      *   3       'three'    944679408 | ||
|  |      * </pre> | ||
|  |      * Then the call getAssoc('SELECT id,text FROM mytable') returns: | ||
|  |      * <pre> | ||
|  |      *    array( | ||
|  |      *      '1' => 'one', | ||
|  |      *      '2' => 'two', | ||
|  |      *      '3' => 'three', | ||
|  |      *    ) | ||
|  |      * </pre> | ||
|  |      * ...while the call getAssoc('SELECT id,text,date FROM mytable') returns: | ||
|  |      * <pre> | ||
|  |      *    array( | ||
|  |      *      '1' => array('one', '944679408'), | ||
|  |      *      '2' => array('two', '944679408'), | ||
|  |      *      '3' => array('three', '944679408') | ||
|  |      *    ) | ||
|  |      * </pre> | ||
|  |      * | ||
|  |      * If the more than one row occurs with the same value in the | ||
|  |      * first column, the last row overwrites all previous ones by | ||
|  |      * default.  Use the $group parameter if you don't want to | ||
|  |      * overwrite like this.  Example: | ||
|  |      * <pre> | ||
|  |      * getAssoc('SELECT category,id,name FROM mytable', null, null | ||
|  |      *           MDB2_FETCHMODE_ASSOC, false, true) returns: | ||
|  |      *    array( | ||
|  |      *      '1' => array(array('id' => '4', 'name' => 'number four'), | ||
|  |      *                   array('id' => '6', 'name' => 'number six') | ||
|  |      *             ), | ||
|  |      *      '9' => array(array('id' => '4', 'name' => 'number four'), | ||
|  |      *                   array('id' => '6', 'name' => 'number six') | ||
|  |      *             ) | ||
|  |      *    ) | ||
|  |      * </pre> | ||
|  |      * | ||
|  |      * Keep in mind that database functions in PHP usually return string | ||
|  |      * values for results regardless of the database's internal type. | ||
|  |      * | ||
|  |      * @param string the SQL query | ||
|  |      * @param array that contains the types of the columns in the result set | ||
|  |      * @param array if supplied, prepare/execute will be used | ||
|  |      *       with this array as execute parameters | ||
|  |      * @param array that contains the types of the values defined in $params | ||
|  |      * @param bool $force_array used only when the query returns | ||
|  |      * exactly two columns.  If TRUE, the values of the returned array | ||
|  |      * will be one-element arrays instead of scalars. | ||
|  |      * @param bool $group if TRUE, the values of the returned array | ||
|  |      *       is wrapped in another array.  If the same key value (in the first | ||
|  |      *       column) repeats itself, the values will be appended to this array | ||
|  |      *       instead of overwriting the existing values. | ||
|  |      * | ||
|  |      * @return array|MDB2_Error data on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function getAssoc($query, $types = null, $params = array(), $param_types = null, | ||
|  |         $fetchmode = MDB2_FETCHMODE_DEFAULT, $force_array = false, $group = false) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         settype($params, 'array'); | ||
|  |         if (empty($params)) { | ||
|  |             return $db->queryAll($query, $types, $fetchmode, true, $force_array, $group); | ||
|  |         } | ||
|  | 
 | ||
|  |         $stmt = $db->prepare($query, $param_types, $types); | ||
|  |         if (MDB2::isError($stmt)) { | ||
|  |             return $stmt; | ||
|  |         } | ||
|  | 
 | ||
|  |         $result = $stmt->execute($params); | ||
|  |         if (!MDB2::isResultCommon($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  | 
 | ||
|  |         $all = $result->fetchAll($fetchmode, true, $force_array, $group); | ||
|  |         $stmt->free(); | ||
|  |         $result->free(); | ||
|  |         return $all; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ executeMultiple()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * This function does several execute() calls on the same statement handle. | ||
|  |      * $params must be an array indexed numerically from 0, one execute call is | ||
|  |      * done for every 'row' in the array. | ||
|  |      * | ||
|  |      * If an error occurs during execute(), executeMultiple() does not execute | ||
|  |      * the unfinished rows, but rather returns that error. | ||
|  |      * | ||
|  |      * @param resource query handle from prepare() | ||
|  |      * @param array numeric array containing the data to insert into the query | ||
|  |      * | ||
|  |      * @return bool|MDB2_Error true on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      * @see prepare(), execute() | ||
|  |      */ | ||
|  |     function executeMultiple($stmt, $params = null) | ||
|  |     { | ||
|  |         if (MDB2::isError($stmt)) { | ||
|  |             return $stmt; | ||
|  |         } | ||
|  |         for ($i = 0, $j = count($params); $i < $j; $i++) { | ||
|  |             $result = $stmt->execute($params[$i]); | ||
|  |             if (MDB2::isError($result)) { | ||
|  |                 return $result; | ||
|  |             } | ||
|  |         } | ||
|  |         return MDB2_OK; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ getBeforeID()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Returns the next free id of a sequence if the RDBMS | ||
|  |      * does not support auto increment | ||
|  |      * | ||
|  |      * @param string name of the table into which a new row was inserted | ||
|  |      * @param string name of the field into which a new row was inserted | ||
|  |      * @param bool when true the sequence is automatic created, if it not exists | ||
|  |      * @param bool if the returned value should be quoted | ||
|  |      * | ||
|  |      * @return int|MDB2_Error id on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function getBeforeID($table, $field = null, $ondemand = true, $quote = true) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         if ($db->supports('auto_increment') !== true) { | ||
|  |             $seq = $table.(empty($field) ? '' : '_'.$field); | ||
|  |             $id = $db->nextID($seq, $ondemand); | ||
|  |             if (!$quote || MDB2::isError($id)) { | ||
|  |                 return $id; | ||
|  |             } | ||
|  |             return $db->quote($id, 'integer'); | ||
|  |         } elseif (!$quote) { | ||
|  |             return null; | ||
|  |         } | ||
|  |         return 'NULL'; | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  |     // {{{ getAfterID()
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Returns the autoincrement ID if supported or $id | ||
|  |      * | ||
|  |      * @param mixed value as returned by getBeforeId() | ||
|  |      * @param string name of the table into which a new row was inserted | ||
|  |      * @param string name of the field into which a new row was inserted | ||
|  |      * | ||
|  |      * @return int|MDB2_Error id on success, a MDB2 error on failure | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function getAfterID($id, $table, $field = null) | ||
|  |     { | ||
|  |         $db = $this->getDBInstance(); | ||
|  |         if (MDB2::isError($db)) { | ||
|  |             return $db; | ||
|  |         } | ||
|  | 
 | ||
|  |         if ($db->supports('auto_increment') !== true) { | ||
|  |             return $id; | ||
|  |         } | ||
|  |         return $db->lastInsertID($table, $field); | ||
|  |     } | ||
|  | 
 | ||
|  |     // }}}
 | ||
|  | } | ||
|  | ?>
 |