+-- T185355
+
+CREATE TABLE /*_*/change_tag_tmp (
+ ct_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
+ ct_rc_id int NULL,
+ ct_log_id int unsigned NULL,
+ ct_rev_id int unsigned NULL,
+ ct_params blob NULL,
+ ct_tag_id int unsigned NOT NULL
+) /*$wgDBTableOptions*/;
+
+INSERT INTO /*_*/change_tag_tmp
+ SELECT ct_id, ct_rc_id, ct_log_id, ct_rev_id, ct_params, ct_tag_id
+ FROM /*_*/change_tag;
+
+DROP TABLE /*_*/change_tag;
+
+ALTER TABLE /*_*/change_tag_tmp RENAME TO /*_*/change_tag;
+
+CREATE UNIQUE INDEX /*i*/change_tag_rc_tag_id ON /*_*/change_tag (ct_rc_id,ct_tag_id);
+CREATE UNIQUE INDEX /*i*/change_tag_log_tag_id ON /*_*/change_tag (ct_log_id,ct_tag_id);
+CREATE UNIQUE INDEX /*i*/change_tag_rev_tag_id ON /*_*/change_tag (ct_rev_id,ct_tag_id);
+CREATE INDEX /*i*/change_tag_tag_id_id ON /*_*/change_tag (ct_tag_id,ct_rc_id,ct_rev_id,ct_log_id);