New database layer based on PHP PDO

1 files changed, 89 insertions, 0 deletions

diff --git a/program/include/rcube_db_pgsql.php b/program/include/rcube_db_pgsql.php
new file mode 100644
index 000000000..63bd92b40
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+++ b/program/include/rcube_db_pgsql.php
@@ -0,0 +1,89 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_db_pgsql.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    Database
+ * @version    1.0
+ */
+class rcube_db_pgsql extends rcube_db
+{
+
+    /**
+     * Get last inserted record ID
+     * For Postgres databases, a table name is required
+     *
+     * @param  string $table  Table name (to find the incremented sequence)
+     *
+     * @return mixed   ID or false on failure
+     */
+    public function insert_id($table = '')
+    {
+        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 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);
+    }
+
+}