0,0 → 1,387 |
<?php |
/*************************************************************************** |
* mssql-odbc.php |
* ------------------- |
* begin : Saturday, Feb 13, 2001 |
* copyright : (C) 2001 The phpBB Group |
* email : support@phpbb.com |
* |
* $Id: mssql-odbc.php,v 1.7 2002/03/20 17:48:30 psotfx Exp $ |
* |
***************************************************************************/ |
|
/*************************************************************************** |
* |
* This program is free software; you can redistribute it and/or modify |
* it under the terms of the GNU General Public License as published by |
* the Free Software Foundation; either version 2 of the License, or |
* (at your option) any later version. |
* |
***************************************************************************/ |
|
if(!defined("SQL_LAYER")) |
{ |
|
define("SQL_LAYER","mssql-odbc"); |
|
class sql_db |
{ |
|
var $db_connect_id; |
var $result; |
|
var $next_id; |
|
var $num_rows = array(); |
var $current_row = array(); |
var $field_names = array(); |
var $field_types = array(); |
var $result_rowset = array(); |
|
var $num_queries = 0; |
|
// |
// Constructor |
// |
function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true) |
{ |
$this->persistency = $persistency; |
$this->server = $sqlserver; |
$this->user = $sqluser; |
$this->password = $sqlpassword; |
$this->dbname = $database; |
|
$this->db_connect_id = ($this->persistency) ? odbc_pconnect($this->server, $this->user, $this->password) : odbc_connect($this->server, $this->user, $this->password); |
|
return ( $this->db_connect_id ) ? $this->db_connect_id : false; |
} |
// |
// Other base methods |
// |
function sql_close() |
{ |
if($this->db_connect_id) |
{ |
if( $this->in_transaction ) |
{ |
@odbc_commit($this->db_connect_id); |
} |
|
if( count($this->result_rowset) ) |
{ |
unset($this->result_rowset); |
unset($this->field_names); |
unset($this->field_types); |
unset($this->num_rows); |
unset($this->current_row); |
} |
|
return @odbc_close($this->db_connect_id); |
} |
else |
{ |
return false; |
} |
} |
|
// |
// Query method |
// |
function sql_query($query = "", $transaction = FALSE) |
{ |
if( $query != "" ) |
{ |
$this->num_queries++; |
|
if( $transaction == BEGIN_TRANSACTION && !$this->in_transaction ) |
{ |
if( !odbc_autocommit($this->db_connect_id, false) ) |
{ |
return false; |
} |
$this->in_transaction = TRUE; |
} |
|
if( preg_match("/^SELECT(.*?)(LIMIT ([0-9]+)[, ]*([0-9]+)*)?$/s", $query, $limits) ) |
{ |
$query = $limits[1]; |
|
if( !empty($limits[2]) ) |
{ |
$row_offset = ( $limits[4] ) ? $limits[3] : ""; |
$num_rows = ( $limits[4] ) ? $limits[4] : $limits[3]; |
|
$query = "TOP " . ( $row_offset + $num_rows ) . $query; |
} |
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$this->result = odbc_exec($this->db_connect_id, "SELECT $query"); |
|
if( $this->result ) |
{ |
if( empty($this->field_names[$this->result]) ) |
{ |
for($i = 1; $i < odbc_num_fields($this->result) + 1; $i++) |
{ |
$this->field_names[$this->result][] = odbc_field_name($this->result, $i); |
$this->field_types[$this->result][] = odbc_field_type($this->result, $i); |
} |
} |
|
$this->current_row[$this->result] = 0; |
$this->result_rowset[$this->result] = array(); |
|
$row_outer = ( isset($row_offset) ) ? $row_offset + 1 : 1; |
$row_outer_max = ( isset($num_rows) ) ? $row_offset + $num_rows + 1 : 1E9; |
$row_inner = 0; |
|
while( odbc_fetch_row($this->result, $row_outer) && $row_outer < $row_outer_max ) |
{ |
for($j = 0; $j < count($this->field_names[$this->result]); $j++) |
{ |
$this->result_rowset[$this->result][$row_inner][$this->field_names[$this->result][$j]] = stripslashes(odbc_result($this->result, $j + 1)); |
} |
|
$row_outer++; |
$row_inner++; |
} |
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$this->num_rows[$this->result] = count($this->result_rowset[$this->result]); |
} |
|
} |
else if( eregi("^INSERT ", $query) ) |
{ |
$this->result = odbc_exec($this->db_connect_id, $query); |
|
if( $this->result ) |
{ |
$result_id = odbc_exec($this->db_connect_id, "SELECT @@IDENTITY"); |
if( $result_id ) |
{ |
if( odbc_fetch_row($result_id) ) |
{ |
$this->next_id[$this->db_connect_id] = odbc_result($result_id, 1); |
$this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result); |
} |
} |
} |
} |
else |
{ |
$this->result = odbc_exec($this->db_connect_id, $query); |
|
if( $this->result ) |
{ |
$this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result); |
} |
} |
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if( !$this->result ) |
{ |
if( $this->in_transaction ) |
{ |
odbc_rollback($this->db_connect_id); |
odbc_autocommit($this->db_connect_id, true); |
$this->in_transaction = FALSE; |
} |
|
return false; |
} |
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if( $transaction == END_TRANSACTION && $this->in_transaction ) |
{ |
$this->in_transaction = FALSE; |
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if ( !odbc_commit($this->db_connect_id) ) |
{ |
odbc_rollback($this->db_connect_id); |
odbc_autocommit($this->db_connect_id, true); |
return false; |
} |
odbc_autocommit($this->db_connect_id, true); |
} |
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odbc_free_result($this->result); |
|
return $this->result; |
} |
else |
{ |
if( $transaction == END_TRANSACTION && $this->in_transaction ) |
{ |
$this->in_transaction = FALSE; |
|
if ( !@odbc_commit($this->db_connect_id) ) |
{ |
odbc_rollback($this->db_connect_id); |
odbc_autocommit($this->db_connect_id, true); |
return false; |
} |
odbc_autocommit($this->db_connect_id, true); |
} |
|
return true; |
} |
} |
|
// |
// Other query methods |
// |
function sql_numrows($query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
|
return ( $query_id ) ? $this->num_rows[$query_id] : false; |
} |
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function sql_numfields($query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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return ( $query_id ) ? count($this->field_names[$query_id]) : false; |
} |
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function sql_fieldname($offset, $query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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return ( $query_id ) ? $this->field_names[$query_id][$offset] : false; |
} |
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function sql_fieldtype($offset, $query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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return ( $query_id ) ? $this->field_types[$query_id][$offset] : false; |
} |
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function sql_fetchrow($query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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if( $query_id ) |
{ |
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; |
} |
else |
{ |
return false; |
} |
} |
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function sql_fetchrowset($query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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if( $query_id ) |
{ |
return ( $this->num_rows[$query_id] ) ? $this->result_rowset[$query_id] : false; |
} |
else |
{ |
return false; |
} |
} |
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function sql_fetchfield($field, $row = -1, $query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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if( $query_id ) |
{ |
if( $row < $this->num_rows[$query_id] ) |
{ |
$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]]; |
|
} |
else |
{ |
return false; |
} |
} |
else |
{ |
return false; |
} |
} |
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function sql_rowseek($offset, $query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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if( $query_id ) |
{ |
$this->current_row[$query_id] = $offset - 1; |
return true; |
} |
else |
{ |
return false; |
} |
} |
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function sql_nextid() |
{ |
return ( $this->next_id[$this->db_connect_id] ) ? $this->next_id[$this->db_connect_id] : false; |
} |
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function sql_affectedrows() |
{ |
return ( $this->affected_rows[$this->db_connect_id] ) ? $this->affected_rows[$this->db_connect_id] : false; |
} |
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function sql_freeresult($query_id = 0) |
{ |
if( !$query_id ) |
{ |
$query_id = $this->result; |
} |
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unset($this->num_rows[$query_id]); |
unset($this->current_row[$query_id]); |
unset($this->result_rowset[$query_id]); |
unset($this->field_names[$query_id]); |
unset($this->field_types[$query_id]); |
|
return true; |
} |
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function sql_error() |
{ |
$error['code'] = odbc_error($this->db_connect_id); |
$error['message'] = odbc_errormsg($this->db_connect_id); |
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return $error; |
} |
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} // class sql_db |
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} // if ... define |
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?> |