-- This file is automatically generated using maintenance/generateSchemaChangeSql.php.
-- Source: sql/abstractSchemaChanges/patch-templatelinks-tl_title-nullable.json
-- Do not modify this file directly.
-- See https://www.mediawiki.org/wiki/Manual:Schema_changes
CREATE TEMPORARY TABLE /*_*/__temp__templatelinks AS
SELECT
  tl_from,
  tl_namespace,
  tl_title,
  tl_from_namespace,
  tl_target_id
FROM /*_*/templatelinks;
DROP TABLE /*_*/templatelinks;


CREATE TABLE /*_*/templatelinks (
    tl_from INTEGER UNSIGNED DEFAULT 0 NOT NULL,
    tl_target_id BIGINT UNSIGNED NOT NULL,
    tl_namespace INTEGER DEFAULT 0 NOT NULL,
    tl_title BLOB DEFAULT '' NOT NULL,
    tl_from_namespace INTEGER DEFAULT 0 NOT NULL,
    PRIMARY KEY(tl_from, tl_target_id)
  );
INSERT INTO /*_*/templatelinks (
    tl_from, tl_namespace, tl_title, tl_from_namespace,
    tl_target_id
  )
SELECT
  tl_from,
  tl_namespace,
  tl_title,
  tl_from_namespace,
  tl_target_id
FROM
  /*_*/__temp__templatelinks;
DROP TABLE /*_*/__temp__templatelinks;

CREATE INDEX tl_namespace ON /*_*/templatelinks (tl_namespace, tl_title, tl_from);

CREATE INDEX tl_backlinks_namespace ON /*_*/templatelinks (
    tl_from_namespace, tl_namespace,
    tl_title, tl_from
  );

CREATE INDEX tl_target_id ON /*_*/templatelinks (tl_target_id, tl_from);

CREATE INDEX tl_backlinks_namespace_target_id ON /*_*/templatelinks (
    tl_from_namespace, tl_target_id,
    tl_from
  );