Merge "Drop index oi_name_archive_name on table oldimage"

[lhc/web/wiklou.git] / maintenance / mssql / tables.sql

diff --git a/maintenance/mssql/tables.sql b/maintenance/mssql/tables.sql
index 256ee36..3babb39 100644 (file)
--- a/maintenance/mssql/tables.sql
+++ b/maintenance/mssql/tables.sql
@@ -64,9 +64,11 @@ INSERT INTO /*_*/mwuser (user_name) VALUES ('##Anonymous##');
 CREATE TABLE /*_*/user_groups (
    ug_user  INT     NOT NULL REFERENCES /*_*/mwuser(user_id) ON DELETE CASCADE,
    ug_group NVARCHAR(255) NOT NULL DEFAULT '',
+   ug_expiry varchar(14) DEFAULT NULL,
+   PRIMARY KEY(ug_user, ug_group)
 );
-CREATE UNIQUE clustered INDEX /*i*/ug_user_group ON /*_*/user_groups (ug_user, ug_group);
 CREATE INDEX /*i*/ug_group ON /*_*/user_groups(ug_group);
+CREATE INDEX /*i*/ug_expiry ON /*_*/user_groups(ug_expiry);
 
 -- Stores the groups the user has once belonged to.
 -- The user may still belong to these groups (check user_groups).
@@ -299,7 +301,7 @@ CREATE TABLE /*_*/categorylinks (
   -- conversion algorithm is run.  We store this so that we can update
   -- collations without reparsing all pages.
   -- Note: If you change the length of this field, you also need to change
-  -- code in LinksUpdate.php. See bug 25254.
+  -- code in LinksUpdate.php. See T27254.
   cl_sortkey_prefix varbinary(255) NOT NULL default 0x,
 
   -- This isn't really used at present. Provided for an optional
@@ -389,11 +391,18 @@ CREATE TABLE /*_*/externallinks (
   -- which allows for fast searching for all pages under example.com with the
   -- clause:
   --      WHERE el_index LIKE 'http://com.example.%'
-  el_index nvarchar(450) NOT NULL
+  el_index nvarchar(450) NOT NULL,
+
+  -- This is el_index truncated to 60 bytes to allow for sortable queries that
+  -- aren't supported by a partial index.
+  -- @todo Drop the default once this is deployed everywhere and code is populating it.
+  el_index_60 varbinary(60) NOT NULL default ''
 );
 
 CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from);
 CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index);
+CREATE INDEX /*i*/el_index_60 ON /*_*/externallinks (el_index_60, el_id);
+CREATE INDEX /*i*/el_from_index_60 ON /*_*/externallinks (el_from, el_index_60, el_id);
 -- el_to index intentionally not added; we cannot index nvarchar(max) columns,
 -- but we also cannot restrict el_to to a smaller column size as the external
 -- link may be larger.
@@ -519,7 +528,7 @@ CREATE TABLE /*_*/ipblocks (
   -- Size chosen to allow IPv6
   -- FIXME: these fields were originally blank for single-IP blocks,
   -- but now they are populated. No migration was ever done. They
-  -- should be fixed to be blank again for such blocks (bug 49504).
+  -- should be fixed to be blank again for such blocks (T51504).
   ipb_range_start varchar(255) NOT NULL,
   ipb_range_end varchar(255) NOT NULL,
 
@@ -652,7 +661,6 @@ CREATE TABLE /*_*/oldimage (
 
 CREATE INDEX /*i*/oi_usertext_timestamp ON /*_*/oldimage (oi_user_text,oi_timestamp);
 CREATE INDEX /*i*/oi_name_timestamp ON /*_*/oldimage (oi_name,oi_timestamp);
-CREATE INDEX /*i*/oi_name_archive_name ON /*_*/oldimage (oi_name,oi_archive_name);
 CREATE INDEX /*i*/oi_sha1 ON /*_*/oldimage (oi_sha1);