patch-pagelinks-target_id.sql

-- This file is automatically generated using maintenance/generateSchemaChangeSql.php.
-- Source: sql/abstractSchemaChanges/patch-pagelinks-target_id.json
-- Do not modify this file directly.
-- See https://www.mediawiki.org/wiki/Manual:Schema_changes
CREATE TEMPORARY TABLE /*_*/__temp__pagelinks AS
SELECT
  pl_from,
  pl_namespace,
  pl_title,
  pl_from_namespace
FROM /*_*/pagelinks;
DROP TABLE /*_*/pagelinks;


CREATE TABLE /*_*/pagelinks (
    pl_from INTEGER UNSIGNED DEFAULT 0 NOT NULL,
    pl_namespace INTEGER DEFAULT 0 NOT NULL,
    pl_title BLOB DEFAULT '' NOT NULL,
    pl_from_namespace INTEGER DEFAULT 0 NOT NULL,
    pl_target_id BIGINT UNSIGNED DEFAULT NULL,
    PRIMARY KEY(pl_from, pl_namespace, pl_title)
  );
INSERT INTO /*_*/pagelinks (
    pl_from, pl_namespace, pl_title, pl_from_namespace
  )
SELECT
  pl_from,
  pl_namespace,
  pl_title,
  pl_from_namespace
FROM
  /*_*/__temp__pagelinks;
DROP TABLE /*_*/__temp__pagelinks;

CREATE INDEX pl_namespace ON /*_*/pagelinks (pl_namespace, pl_title, pl_from);

CREATE INDEX pl_backlinks_namespace ON /*_*/pagelinks (
    pl_from_namespace, pl_namespace,
    pl_title, pl_from
  );

CREATE INDEX pl_target_id ON /*_*/pagelinks (pl_target_id, pl_from);

CREATE INDEX pl_backlinks_namespace_target_id ON /*_*/pagelinks (
    pl_from_namespace, pl_target_id,
    pl_from
  );