diff options
Diffstat (limited to 'maintenance/archives/patch-mimesearch-indexes.sql')
-rw-r--r-- | maintenance/archives/patch-mimesearch-indexes.sql | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/maintenance/archives/patch-mimesearch-indexes.sql b/maintenance/archives/patch-mimesearch-indexes.sql new file mode 100644 index 00000000..bd348c46 --- /dev/null +++ b/maintenance/archives/patch-mimesearch-indexes.sql @@ -0,0 +1,22 @@ +-- Add indexes to the mime types in image for use on Special:MIMEsearch, +-- changes a query like +-- +-- SELECT img_name FROM image WHERE img_major_mime = "image" AND img_minor_mime = "svg"; +-- from: +-- +-------+------+---------------+------+---------+------+------+-------------+ +-- | table | type | possible_keys | key | key_len | ref | rows | Extra | +-- +-------+------+---------------+------+---------+------+------+-------------+ +-- | image | ALL | NULL | NULL | NULL | NULL | 194 | Using where | +-- +-------+------+---------------+------+---------+------+------+-------------+ +-- to: +-- +-------+------+-------------------------------+----------------+---------+-------+------+-------------+ +-- | table | type | possible_keys | key | key_len | ref | rows | Extra | +-- +-------+------+-------------------------------+----------------+---------+-------+------+-------------+ +-- | image | ref | img_major_mime,img_minor_mime | img_minor_mime | 32 | const | 4 | Using where | +-- +-------+------+-------------------------------+----------------+---------+-------+------+-------------+ + +ALTER TABLE /*$wgDBprefix*/image + ADD INDEX img_major_mime (img_major_mime); +ALTER TABLE /*$wgDBprefix*/image + ADD INDEX img_minor_mime (img_minor_mime); + |