Merge "objectcache: clean up language about expiration/invalidation"

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

diff --git a/maintenance/mssql/tables.sql b/maintenance/mssql/tables.sql
index 0c78712..f7db574 100644 (file)
--- a/maintenance/mssql/tables.sql
+++ b/maintenance/mssql/tables.sql
@@ -290,7 +290,7 @@ CREATE TABLE /*_*/archive (
 CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp);
 CREATE INDEX /*i*/ar_usertext_timestamp ON /*_*/archive (ar_user_text,ar_timestamp);
 CREATE INDEX /*i*/ar_actor_timestamp ON /*_*/archive (ar_actor,ar_timestamp);
-CREATE INDEX /*i*/ar_revid ON /*_*/archive (ar_rev_id);
+CREATE UNIQUE INDEX /*i*/ar_revid_uniq ON /*_*/archive (ar_rev_id);
 
 
 --
@@ -503,6 +503,24 @@ CREATE UNIQUE INDEX /*i*/cat_title ON /*_*/category (cat_title);
 CREATE INDEX /*i*/cat_pages ON /*_*/category (cat_pages);
 
 
+--
+-- Table defining tag names for IDs. Also stores hit counts to avoid expensive queries on change_tag
+--
+CREATE TABLE /*_*/change_tag_def (
+    -- Numerical ID of the tag (ct_tag_id refers to this)
+    ctd_id int NOT NULL CONSTRAINT PK_change_tag_def PRIMARY KEY IDENTITY,
+    -- Symbolic name of the tag (what would previously be put in ct_tag)
+    ctd_name nvarchar(255) NOT NULL,
+    -- Whether this tag was defined manually by a privileged user using Special:Tags
+    ctd_user_defined tinyint NOT NULL CONSTRAINT DF_ctd_user_defined DEFAULT 0,
+    -- Number of times this tag was used
+    ctd_count int NOT NULL CONSTRAINT DF_ctd_count DEFAULT 0
+) /*$wgDBTableOptions*/;
+
+CREATE UNIQUE INDEX /*i*/ctd_name ON /*_*/change_tag_def (ctd_name);
+CREATE INDEX /*i*/ctd_count ON /*_*/change_tag_def (ctd_count);
+CREATE INDEX /*i*/ctd_user_defined ON /*_*/change_tag_def (ctd_user_defined);
+
 --
 -- Track links to external URLs
 --
@@ -531,8 +549,7 @@ CREATE TABLE /*_*/externallinks (
 
   -- 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 ''
+  el_index_60 varbinary(60) NOT NULL
 );
 
 CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from);
@@ -1386,7 +1403,9 @@ CREATE TABLE /*_*/change_tag (
   -- Tag applied
   ct_tag nvarchar(255) NOT NULL,
   -- Parameters for the tag, presently unused
-  ct_params nvarchar(max) NULL
+  ct_params nvarchar(max) NULL,
+  -- Foreign key to change_tag_def row
+  ct_tag_id int NULL CONSTRAINT ctd_tag_id__fk FOREIGN KEY REFERENCES /*_*/change_tag_def(ctd_id)
 );
 
 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag ON /*_*/change_tag (ct_rc_id,ct_tag);
@@ -1394,7 +1413,7 @@ CREATE UNIQUE INDEX /*i*/change_tag_log_tag ON /*_*/change_tag (ct_log_id,ct_tag
 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag ON /*_*/change_tag (ct_rev_id,ct_tag);
 -- Covering index, so we can pull all the info only out of the index.
 CREATE INDEX /*i*/change_tag_tag_id ON /*_*/change_tag (ct_tag,ct_rc_id,ct_rev_id,ct_log_id);
-
+CREATE INDEX /*i*/change_tag_tag_id_id ON /*_*/change_tag (ct_tag_id,ct_rc_id,ct_rev_id,ct_log_id);
 
 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
 -- that only works on MySQL 4.1+