add index to image table to query by type

this speeds up Special:MIMESearch and allows
queries for all files of one type.

Change-Id: I85715b0553a771ab88d9763ba921923551988bd0

diff --git a/includes/installer/MysqlUpdater.php b/includes/installer/MysqlUpdater.php
index 9978a92..d8fa64e 100644 (file)
--- a/includes/installer/MysqlUpdater.php
+++ b/includes/installer/MysqlUpdater.php
@@ -229,6 +229,7 @@ class MysqlUpdater extends DatabaseUpdater {
                        array( 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase-255.sql' ),
                        array( 'modifyField', 'user_former_groups', 'ufg_group', 'patch-ufg_group-length-increase-255.sql' ),
                        array( 'addIndex', 'page_props', 'pp_propname_page',  'patch-page_props-propname-page-index.sql' ),
+                       array( 'addIndex', 'image', 'img_media_mime', 'patch-img_media_mime-index.sql' ),
                );
        }
 

diff --git a/includes/installer/SqliteUpdater.php b/includes/installer/SqliteUpdater.php
index 47650b6..11e3445 100644 (file)
--- a/includes/installer/SqliteUpdater.php
+++ b/includes/installer/SqliteUpdater.php
@@ -109,6 +109,7 @@ class SqliteUpdater extends DatabaseUpdater {
                        array( 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase-255.sql' ),
                        array( 'modifyField', 'user_former_groups', 'ufg_group', 'patch-ufg_group-length-increase-255.sql' ),
                        array( 'addIndex', 'page_props', 'pp_propname_page',  'patch-page_props-propname-page-index.sql' ),
+                       array( 'addIndex', 'image', 'img_media_mime', 'patch-img_media_mime-index.sql' ),
                );
        }
 

diff --git a/maintenance/archives/patch-img_media_mime-index.sql b/maintenance/archives/patch-img_media_mime-index.sql
new file mode 100644 (file)
index 0000000..bfaf84f
--- /dev/null
+++ b/maintenance/archives/patch-img_media_mime-index.sql
@@ -0,0 +1,4 @@
+-- New index on image table to allow searches for types i.e. video webm
+-- Added 2013-01-08
+
+CREATE INDEX /*i*/img_media_mime ON /*_*/image (img_media_type,img_major_mime,img_minor_mime);

diff --git a/maintenance/tables.sql b/maintenance/tables.sql
index 4307c0c..72b4eb6 100644 (file)
--- a/maintenance/tables.sql
+++ b/maintenance/tables.sql
@@ -862,6 +862,8 @@ CREATE INDEX /*i*/img_size ON /*_*/image (img_size);
 CREATE INDEX /*i*/img_timestamp ON /*_*/image (img_timestamp);
 -- Used in API and duplicate search
 CREATE INDEX /*i*/img_sha1 ON /*_*/image (img_sha1(10));
+-- Used to get media of one type
+CREATE INDEX /*i*/img_media_mime ON /*_*/image (img_media_type,img_major_mime,img_minor_mime);
 
 
 --