You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
3.9 KiB
PHP
133 lines
3.9 KiB
PHP
<?php
|
|
|
|
/**
|
|
+-----------------------------------------------------------------------+
|
|
| This file is part of the Roundcube Webmail client |
|
|
| Copyright (C) 2005-2012, The Roundcube Dev Team |
|
|
| |
|
|
| Licensed under the GNU General Public License version 3 or |
|
|
| any later version with exceptions for skins & plugins. |
|
|
| See the README file for a full license statement. |
|
|
| |
|
|
| PURPOSE: |
|
|
| Database wrapper class that implements PHP PDO functions |
|
|
| for PostgreSQL database |
|
|
+-----------------------------------------------------------------------+
|
|
| Author: Aleksander Machniak <alec@alec.pl> |
|
|
+-----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/**
|
|
* Database independent query interface
|
|
* This is a wrapper for the PHP PDO
|
|
*
|
|
* @package Framework
|
|
* @subpackage Database
|
|
*/
|
|
class rcube_db_pgsql extends rcube_db
|
|
{
|
|
public $db_provider = 'postgres';
|
|
|
|
/**
|
|
* Get last inserted record ID
|
|
*
|
|
* @param string $table Table name (to find the incremented sequence)
|
|
*
|
|
* @return mixed ID or false on failure
|
|
*/
|
|
public function insert_id($table = null)
|
|
{
|
|
if (!$this->db_connected || $this->db_mode == 'r') {
|
|
return false;
|
|
}
|
|
|
|
if ($table) {
|
|
$table = $this->sequence_name($table);
|
|
}
|
|
|
|
$id = $this->dbh->lastInsertId($table);
|
|
|
|
return $id;
|
|
}
|
|
|
|
/**
|
|
* Return correct name for a specific database sequence
|
|
*
|
|
* @param string $sequence Secuence name
|
|
*
|
|
* @return string Translated sequence name
|
|
*/
|
|
protected function sequence_name($sequence)
|
|
{
|
|
$rcube = rcube::get_instance();
|
|
|
|
// return sequence name if configured
|
|
$config_key = 'db_sequence_'.$sequence;
|
|
|
|
if ($name = $rcube->config->get($config_key)) {
|
|
return $name;
|
|
}
|
|
|
|
return $sequence;
|
|
}
|
|
|
|
/**
|
|
* Return SQL statement to convert a field value into a unix timestamp
|
|
*
|
|
* This method is deprecated and should not be used anymore due to limitations
|
|
* of timestamp functions in Mysql (year 2038 problem)
|
|
*
|
|
* @param string $field Field name
|
|
*
|
|
* @return string SQL statement to use in query
|
|
* @deprecated
|
|
*/
|
|
public function unixtimestamp($field)
|
|
{
|
|
return "EXTRACT (EPOCH FROM $field)";
|
|
}
|
|
|
|
/**
|
|
* Return SQL statement for case insensitive LIKE
|
|
*
|
|
* @param string $column Field name
|
|
* @param string $value Search value
|
|
*
|
|
* @return string SQL statement to use in query
|
|
*/
|
|
public function ilike($column, $value)
|
|
{
|
|
return $this->quote_identifier($column) . ' ILIKE ' . $this->quote($value);
|
|
}
|
|
|
|
/**
|
|
* Get database runtime variables
|
|
*
|
|
* @param string $varname Variable name
|
|
* @param mixed $default Default value if variable is not set
|
|
*
|
|
* @return mixed Variable value or default
|
|
*/
|
|
public function get_variable($varname, $default = null)
|
|
{
|
|
// There's a known case when max_allowed_packet is queried
|
|
// PostgreSQL doesn't have such limit, return immediately
|
|
if ($varname == 'max_allowed_packet') {
|
|
return $default;
|
|
}
|
|
|
|
if (!isset($this->variables)) {
|
|
$this->variables = array();
|
|
|
|
$result = $this->query('SHOW ALL');
|
|
|
|
while ($row = $this->fetch_array($result)) {
|
|
$this->variables[$row[0]] = $row[1];
|
|
}
|
|
}
|
|
|
|
return isset($this->variables[$varname]) ? $this->variables[$varname] : $default;
|
|
}
|
|
|
|
}
|