MediaWiki 1.16.0

[autoinstallsdev/mediawiki.git] / maintenance / archives / patch-change_tag-indexes.sql

diff --git a/maintenance/archives/patch-change_tag-indexes.sql b/maintenance/archives/patch-change_tag-indexes.sql
new file mode 100644 (file)
index 0000000..9f8d8f8
--- /dev/null
+++ b/maintenance/archives/patch-change_tag-indexes.sql
@@ -0,0 +1,21 @@
+--
+-- Rename indexes on change_tag from implicit to explicit names
+--
+
+DROP INDEX ct_rc_id ON /*_*/change_tag;
+DROP INDEX ct_log_id ON /*_*/change_tag;
+DROP INDEX ct_rev_id ON /*_*/change_tag;
+DROP INDEX ct_tag ON /*_*/change_tag;
+
+DROP INDEX ts_rc_id ON /*_*/tag_summary;
+DROP INDEX ts_log_id ON /*_*/tag_summary;
+DROP INDEX ts_rev_id ON /*_*/tag_summary;
+
+CREATE UNIQUE INDEX /*i*/change_tag_rc_tag ON /*_*/change_tag (ct_rc_id,ct_tag);
+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);
+CREATE INDEX /*i*/change_tag_tag_id ON /*_*/change_tag (ct_tag,ct_rc_id,ct_rev_id,ct_log_id);
+
+CREATE UNIQUE INDEX /*i*/tag_summary_rc_id ON /*_*/tag_summary (ts_rc_id);
+CREATE UNIQUE INDEX /*i*/tag_summary_log_id ON /*_*/tag_summary (ts_log_id);
+CREATE UNIQUE INDEX /*i*/tag_summary_rev_id ON /*_*/tag_summary (ts_rev_id);