From 13dfb4012894c3bd724f12d75f4de7c1cce9529a Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Fri, 6 Apr 2012 05:11:09 -0700
Subject: fix messed up config tables w/ duplicate entries

---
 update.php | 53 +++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 49 insertions(+), 4 deletions(-)

(limited to 'update.php')

diff --git a/update.php b/update.php
index 0c8486c31..1a36c754d 100644
--- a/update.php
+++ b/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1136 );
+define( 'UPDATE_VERSION' , 1137 );
 
 /**
  *
@@ -1152,12 +1152,57 @@ function update_1135() {
 	//so change charset to be smaller
 	q("ALTER TABLE `config` CHANGE `cat` `cat` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL ,
 CHANGE `k` `k` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL"); 
-	//and add the index
-	q("ALTER TABLE `config` ADD UNIQUE `access` ( `cat` , `k` ) "); 
 	
 	//same thing for pconfig
 	q("ALTER TABLE `pconfig` CHANGE `cat` `cat` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL ,
 	CHANGE `k` `k` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL"); 
-	
+	// faulty update merged forward. Bad update in 1134 caused duplicate k,cat pairs
+	// these have to be cleared before the unique keys can be added.	
+}
+
+function update_1136() {
+
+	$arr = array();
+
+	// order in reverse so that we save the newest entry
+
+	$r = q("select * from config where 1 order by id desc");
+	if(count($r)) {
+		foreach($r as $rr) {
+			$found = false;
+			foreach($arr as $x) {
+				if($x['cat'] == $rr['cat'] && $x['k'] == $rr['k']) {
+					$found = true;
+					q("delete from config where id = %d limit 1",
+						intval($rr['id'])
+					);
+				}
+			}
+			if(! $found) {
+				$arr[] = $rr;
+			}
+		}
+	}
+			
+	$arr = array();
+	$r = q("select * from pconfig where 1 order by id desc");
+	if(count($r)) {
+		foreach($r as $rr) {
+			$found = false;
+			foreach($arr as $x) {
+				if($x['uid'] == $rr['uid'] && $x['cat'] == $rr['cat'] && $x['k'] == $rr['k']) {
+					$found = true;
+					q("delete from pconfig where id = %d limit 1",
+						intval($rr['id'])
+					);
+				}
+			}
+			if(! $found) {
+				$arr[] = $rr;
+			}
+		}
+	}
+	q("ALTER TABLE `config` ADD UNIQUE `access` ( `cat` , `k` ) "); 
 	q("ALTER TABLE `pconfig` ADD UNIQUE `access` ( `uid` , `cat` , `k` )"); 
+
 }
\ No newline at end of file
-- 
cgit v1.2.3