From: Domas Mituzas <midom@users.mediawiki.org>
Date: Sat, 12 Nov 2005 20:25:33 +0000 (+0000)
Subject: add timestamp key on logging table, in order to avoid stupid filesorting
X-Git-Tag: 1.6.0~1187
X-Git-Url: https://git.cyclocoop.org/%7B%24www_url%7Dadmin/compta/comptes/ajouter.php?a=commitdiff_plain;h=b898d890d9b48ccb5b1af6e7afd24d52d0e28362;p=lhc%2Fweb%2Fwiklou.git

add timestamp key on logging table, in order to avoid stupid filesorting
---

diff --git a/maintenance/archives/patch-logging-times-index.sql b/maintenance/archives/patch-logging-times-index.sql
new file mode 100644
index 0000000000..e66ceec449
--- /dev/null
+++ b/maintenance/archives/patch-logging-times-index.sql
@@ -0,0 +1,9 @@
+-- 
+-- patch-logging-times-index.sql
+-- 
+-- Add a very humble index on logging times
+-- 
+
+ALTER TABLE /*$wgDBprefix*/logging
+   ADD INDEX times (log_timestamp);
+
diff --git a/maintenance/tables.sql b/maintenance/tables.sql
index db8f42b7e9..018e7ebf46 100644
--- a/maintenance/tables.sql
+++ b/maintenance/tables.sql
@@ -819,7 +819,8 @@ CREATE TABLE /*$wgDBprefix*/logging (
 
   KEY type_time (log_type, log_timestamp),
   KEY user_time (log_user, log_timestamp),
-  KEY page_time (log_namespace, log_title, log_timestamp)
+  KEY page_time (log_namespace, log_title, log_timestamp),
+  KEY times (log_timestamp)
 
 ) TYPE=InnoDB;
 
diff --git a/maintenance/updaters.inc b/maintenance/updaters.inc
index ace5b2f535..baadae3913 100644
--- a/maintenance/updaters.inc
+++ b/maintenance/updaters.inc
@@ -182,6 +182,18 @@ function do_image_name_unique_update() {
 	}
 }
 
+function do_logging_timestamp_index() {
+	global $wgDatabase;
+	if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
+		echo "...timestamp key on logging already exists.\n";
+	} else {
+		echo "Adding timestamp key on logging table... ";
+		dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
+		echo "ok\n";
+	}
+}
+
+
 function do_watchlist_update() {
 	global $wgDatabase;
 	if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
@@ -705,6 +717,8 @@ function do_all_updates() {
 
 	//do_image_index_update(); flush();
 
+	do_logging_timestamp_index(); flush();
+
 	initialiseMessages(); flush();
 }