Add a patch file for the index change in r47488

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);

diff --git a/maintenance/updaters.inc b/maintenance/updaters.inc
index 3e3f350..fbc9893 100644 (file)
--- a/maintenance/updaters.inc
+++ b/maintenance/updaters.inc
@@ -163,6 +163,7 @@ $wgUpdates = array(
                array( 'add_table', 'l10n_cache',              'patch-l10n_cache.sql' ),
                array( 'add_table', 'external_user', 'patch-external_user.sql' ),
                array( 'add_index', 'log_search', 'ls_field_val', 'patch-log_search-rename-index.sql' ),
+               array( 'add_index', 'change_tag', 'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
        ),
 
        'sqlite' => array(