Introduce change_tag_def table

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

diff --git a/maintenance/mssql/tables.sql b/maintenance/mssql/tables.sql
index 65ede90..278b156 100644 (file)
--- a/maintenance/mssql/tables.sql
+++ b/maintenance/mssql/tables.sql
@@ -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
 --