--- /dev/null
+--
+-- 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);
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(