From 3f4521bcf4b538b6ac54817cfad22b51e347546d Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 17 Jun 2015 03:03:03 -0400
Subject: [PATCH] Fix so plain text signature field uses monospace font (#1490435)

---
 program/lib/Roundcube/rcube_db_pgsql.php |   52 ++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 46 insertions(+), 6 deletions(-)

diff --git a/program/lib/Roundcube/rcube_db_pgsql.php b/program/lib/Roundcube/rcube_db_pgsql.php
index d72c9d6..b425551 100644
--- a/program/lib/Roundcube/rcube_db_pgsql.php
+++ b/program/lib/Roundcube/rcube_db_pgsql.php
@@ -1,6 +1,6 @@
 <?php
 
-/**
+/*
  +-----------------------------------------------------------------------+
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
@@ -36,7 +36,7 @@
      */
     protected function conn_configure($dsn, $dbh)
     {
-        $this->query("SET NAMES 'utf8'");
+        $dbh->query("SET NAMES 'utf8'");
     }
 
     /**
@@ -73,10 +73,9 @@
         // Note: we support only one sequence per table
         // Note: The sequence name must be <table_name>_seq
         $sequence = $table . '_seq';
-        $rcube    = rcube::get_instance();
 
-        // return sequence name if configured
-        if ($prefix = $rcube->config->get('db_prefix')) {
+        // modify sequence name if prefix is configured
+        if ($prefix = $this->options['table_prefix']) {
             return $prefix . $sequence;
         }
 
@@ -140,8 +139,10 @@
         // 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;
+            return rcube::get_instance()->config->get('db_' . $varname, $default);
         }
+
+        $this->variables[$varname] = rcube::get_instance()->config->get('db_' . $varname);
 
         if (!isset($this->variables)) {
             $this->variables = array();
@@ -154,6 +155,25 @@
         }
 
         return isset($this->variables[$varname]) ? $this->variables[$varname] : $default;
+    }
+
+    /**
+     * Returns list of tables in a database
+     *
+     * @return array List of all tables of the current database
+     */
+    public function list_tables()
+    {
+        // get tables if not cached
+        if ($this->tables === null) {
+            $q = $this->query("SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES"
+                . " WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_SCHEMA NOT IN ('pg_catalog', 'information_schema')"
+                . " ORDER BY TABLE_NAME");
+
+            $this->tables = $q ? $q->fetchAll(PDO::FETCH_COLUMN, 0) : array();
+        }
+
+        return $this->tables;
     }
 
     /**
@@ -190,4 +210,24 @@
         return $result;
     }
 
+    /**
+     * Parse SQL file and fix table names according to table prefix
+     */
+    protected function fix_table_names($sql)
+    {
+        if (!$this->options['table_prefix']) {
+            return $sql;
+        }
+
+        $sql = parent::fix_table_names($sql);
+
+        // replace sequence names, and other postgres-specific commands
+        $sql = preg_replace_callback(
+            '/((SEQUENCE |RENAME TO |nextval\()["\']*)([^"\' \r\n]+)/',
+            array($this, 'fix_table_names_callback'),
+            $sql
+        );
+
+        return $sql;
+    }
 }

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