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kaklik |
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<?php |
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/*************************************************************************** |
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* msaccess.php |
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* ------------------- |
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* begin : Saturday, Feb 13, 2001 |
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* copyright : (C) 2001 The phpBB Group |
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* email : support@phpbb.com |
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* |
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* $Id: msaccess.php,v 1.8.2.2 2002/09/28 12:50:59 psotfx Exp $ |
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* |
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***************************************************************************/ |
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/*************************************************************************** |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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***************************************************************************/ |
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if(!defined("SQL_LAYER")) |
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{ |
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define("SQL_LAYER","msaccess"); |
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class sql_db |
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{ |
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var $db_connect_id; |
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var $result_ids = array(); |
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var $result; |
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var $next_id; |
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var $num_rows = array(); |
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var $current_row = array(); |
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var $field_names = array(); |
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var $field_types = array(); |
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var $result_rowset = array(); |
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var $num_queries = 0; |
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// |
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// Constructor |
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// |
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function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true) |
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{ |
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$this->persistency = $persistency; |
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$this->server = $sqlserver; |
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$this->user = $sqluser; |
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$this->password = $sqlpassword; |
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$this->dbname = $database; |
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$this->db_connect_id = ($this->persistency) ? odbc_pconnect($this->server, $this->user, $this->password) : odbc_connect($this->server, $this->user, $this->password); |
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return ( $this->db_connect_id ) ? $this->db_connect_id : false; |
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} |
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// |
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// Other base methods |
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// |
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function sql_close() |
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{ |
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if($this->db_connect_id) |
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{ |
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if( $this->in_transaction ) |
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{ |
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@odbc_commit($this->db_connect_id); |
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} |
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if( count($this->result_rowset) ) |
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{ |
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unset($this->result_rowset); |
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unset($this->field_names); |
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unset($this->field_types); |
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unset($this->num_rows); |
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unset($this->current_row); |
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} |
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return @odbc_close($this->db_connect_id); |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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// |
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// Query method |
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// |
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function sql_query($query = "", $transaction = FALSE) |
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{ |
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if( $query != "" ) |
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{ |
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$this->num_queries++; |
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if( $transaction == BEGIN_TRANSACTION && !$this->in_transaction ) |
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{ |
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if( !odbc_autocommit($this->db_connect_id, false) ) |
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{ |
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return false; |
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} |
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$this->in_transaction = TRUE; |
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} |
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$query = str_replace("LOWER(", "LCASE(", $query); |
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if( preg_match("/^SELECT(.*?)(LIMIT ([0-9]+)[, ]*([0-9]+)*)?$/s", $query, $limits) ) |
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{ |
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$query = $limits[1]; |
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if( !empty($limits[2]) ) |
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{ |
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$row_offset = ( $limits[4] ) ? $limits[3] : ""; |
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$num_rows = ( $limits[4] ) ? $limits[4] : $limits[3]; |
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$query = "TOP " . ( $row_offset + $num_rows ) . $query; |
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} |
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$this->result = odbc_exec($this->db_connect_id, "SELECT $query"); |
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if( $this->result ) |
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{ |
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if( empty($this->field_names[$this->result]) ) |
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{ |
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for($i = 1; $i < odbc_num_fields($this->result) + 1; $i++) |
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{ |
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$this->field_names[$this->result][] = odbc_field_name($this->result, $i); |
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$this->field_types[$this->result][] = odbc_field_type($this->result, $i); |
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} |
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} |
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$this->current_row[$this->result] = 0; |
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$this->result_rowset[$this->result] = array(); |
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$row_outer = ( isset($row_offset) ) ? $row_offset + 1 : 1; |
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$row_outer_max = ( isset($num_rows) ) ? $row_offset + $num_rows + 1 : 1E9; |
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$row_inner = 0; |
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while( odbc_fetch_row($this->result, $row_outer) && $row_outer < $row_outer_max ) |
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{ |
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for($j = 0; $j < count($this->field_names[$this->result]); $j++) |
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{ |
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$this->result_rowset[$this->result][$row_inner][$this->field_names[$this->result][$j]] = stripslashes(odbc_result($this->result, $j + 1)); |
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} |
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$row_outer++; |
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$row_inner++; |
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} |
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$this->num_rows[$this->result] = count($this->result_rowset[$this->result]); |
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odbc_free_result($this->result); |
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} |
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} |
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else if( eregi("^INSERT ", $query) ) |
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{ |
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$this->result = odbc_exec($this->db_connect_id, $query); |
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if( $this->result ) |
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{ |
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$result_id = odbc_exec($this->db_connect_id, "SELECT @@IDENTITY"); |
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if( $result_id ) |
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{ |
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if( odbc_fetch_row($result_id) ) |
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{ |
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$this->next_id[$this->db_connect_id] = odbc_result($result_id, 1); |
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$this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result); |
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} |
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} |
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} |
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} |
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else |
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{ |
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$this->result = odbc_exec($this->db_connect_id, $query); |
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if( $this->result ) |
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{ |
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$this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result); |
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} |
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} |
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if( !$this->result ) |
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{ |
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if( $this->in_transaction ) |
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{ |
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odbc_rollback($this->db_connect_id); |
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odbc_autocommit($this->db_connect_id, true); |
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$this->in_transaction = FALSE; |
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} |
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return false; |
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} |
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if( $transaction == END_TRANSACTION && $this->in_transaction ) |
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{ |
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$this->in_transaction = FALSE; |
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if ( !@odbc_commit($this->db_connect_id) ) |
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{ |
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odbc_rollback($this->db_connect_id); |
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odbc_autocommit($this->db_connect_id, true); |
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return false; |
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} |
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odbc_autocommit($this->db_connect_id, true); |
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} |
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return $this->result; |
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} |
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else |
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{ |
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if( $transaction == END_TRANSACTION && $this->in_transaction ) |
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{ |
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$this->in_transaction = FALSE; |
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if ( !@odbc_commit($this->db_connect_id) ) |
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{ |
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odbc_rollback($this->db_connect_id); |
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odbc_autocommit($this->db_connect_id, true); |
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return false; |
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} |
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odbc_autocommit($this->db_connect_id, true); |
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} |
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return true; |
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} |
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} |
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// |
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// Other query methods |
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// |
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function sql_numrows($query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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return ( $query_id ) ? $this->num_rows[$query_id] : false; |
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} |
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function sql_numfields($query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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return ( $query_id ) ? count($this->field_names[$query_id]) : false; |
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} |
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function sql_fieldname($offset, $query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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return ( $query_id ) ? $this->field_names[$query_id][$offset] : false; |
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} |
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function sql_fieldtype($offset, $query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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return ( $query_id ) ? $this->field_types[$query_id][$offset] : false; |
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} |
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function sql_fetchrow($query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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if( $query_id ) |
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{ |
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return ( $this->num_rows[$query_id] && $this->current_row[$query_id] < $this->num_rows[$query_id] ) ? $this->result_rowset[$query_id][$this->current_row[$query_id]++] : false; |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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function sql_fetchrowset($query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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if( $query_id ) |
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{ |
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return ( $this->num_rows[$query_id] ) ? $this->result_rowset[$query_id] : false; |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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function sql_fetchfield($field, $row = -1, $query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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if( $query_id ) |
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{ |
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if( $row < $this->num_rows[$query_id] ) |
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{ |
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$getrow = ($row == -1) ? $this->current_row[$query_id] - 1 : $row; |
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return $this->result_rowset[$query_id][$getrow][$this->field_names[$query_id][$field]]; |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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function sql_rowseek($offset, $query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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if( $query_id ) |
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{ |
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$this->current_row[$query_id] = $offset - 1; |
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return true; |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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function sql_nextid() |
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{ |
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return ( $this->next_id[$this->db_connect_id] ) ? $this->next_id[$this->db_connect_id] : false; |
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} |
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function sql_affectedrows() |
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{ |
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return ( $this->affected_rows[$this->db_connect_id] ) ? $this->affected_rows[$this->db_connect_id] : false; |
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} |
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function sql_freeresult($query_id = 0) |
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{ |
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if( !$query_id ) |
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{ |
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$query_id = $this->result; |
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} |
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unset($this->num_rows[$query_id]); |
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unset($this->current_row[$query_id]); |
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unset($this->result_rowset[$query_id]); |
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unset($this->field_names[$query_id]); |
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unset($this->field_types[$query_id]); |
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return true; |
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} |
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function sql_error() |
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{ |
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$error['code'] = "";//odbc_error($this->db_connect_id); |
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$error['message'] = "Error";//odbc_errormsg($this->db_connect_id); |
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return $error; |
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} |
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} // class sql_db |
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} // if ... define |
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?> |