From 799cd9c2f351dc6041f977801977b25d2eb39383 Mon Sep 17 00:00:00 2001
From: Christian Boltz <postfixadmin@cboltz.de>
Date: Sun, 10 Apr 2011 19:20:31 +0000
Subject: [PATCH] functions.inc.php: - create_page_browser(): added queries for
 PgSQL (untested!)

git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@1033 a1433add-5e2c-0410-b055-b7f2511e0802
---
 functions.inc.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/functions.inc.php b/functions.inc.php
index 13375384..ae5360ad 100644
--- a/functions.inc.php
+++ b/functions.inc.php
@@ -600,6 +600,9 @@ function create_page_browser($idxfield, $querypart) {
 
     # init row counter
     $initcount = "SET @row=-1";
+    if ('pgsql'==$CONF['database_type']) {
+        $initcount = "CREATE TEMPORARY SEQUENCE rowcount MINVALUE 0";
+    }
     $result = db_query($initcount);
 
     # get labels for relevant rows (first and last of each page)
@@ -609,6 +612,13 @@ function create_page_browser($idxfield, $querypart) {
             SELECT $idxfield AS label, @row := @row + 1 AS row $querypart 
         ) idx WHERE MOD(idx.row, $page_size) IN (0,$page_size_zerobase) OR idx.row = $count_results
     "; 
+    if ('pgsql'==$CONF['database_type']) {
+        $query = "
+            SELECT * FROM (
+                SELECT $idxfield AS label, nextval('rowcount') AS row $querypart 
+            ) idx WHERE MOD(idx.row, $page_size) IN (0,$page_size_zerobase) OR idx.row = $count_results
+        "; 
+    }
 #   echo "<p>$query";
 
 # TODO: $query is MySQL-specific
@@ -633,6 +643,10 @@ function create_page_browser($idxfield, $querypart) {
         }
     }
 
+    if ('pgsql'==$CONF['database_type']) {
+        db_query ("DROP SEQUENCE rowcount");
+    }
+
     return $pagebrowser;
 }