patch-drop-cl_collation_ext.sql
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patch-drop-cl_collation_ext.sql
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	-- This file is automatically generated using maintenance/generateSchemaChangeSql.php.
	-- Source: maintenance/abstractSchemaChanges/patch-drop-cl_collation_ext.json
	-- Do not modify this file directly.
	-- See https://www.mediawiki.org/wiki/Manual:Schema_changes
	CREATE TEMPORARY TABLE /_/__temp__categorylinks AS
	SELECT
	cl_from,
	cl_to,
	cl_sortkey,
	cl_sortkey_prefix,
	cl_timestamp,
	cl_collation,
	cl_type
	FROM /_/categorylinks;
	DROP TABLE /_/categorylinks;


	CREATE TABLE /_/categorylinks (
	cl_from INTEGER UNSIGNED DEFAULT 0 NOT NULL,
	cl_to BLOB DEFAULT '' NOT NULL,
	cl_sortkey BLOB DEFAULT '' NOT NULL,
	cl_sortkey_prefix BLOB DEFAULT '' NOT NULL,
	cl_timestamp DATETIME NOT NULL,
	cl_collation BLOB DEFAULT '' NOT NULL,
	cl_type TEXT DEFAULT 'page' NOT NULL,
	PRIMARY KEY(cl_from, cl_to)
	);
	INSERT INTO /_/categorylinks (
	cl_from, cl_to, cl_sortkey, cl_sortkey_prefix,
	cl_timestamp, cl_collation, cl_type
	)
	SELECT
	cl_from,
	cl_to,
	cl_sortkey,
	cl_sortkey_prefix,
	cl_timestamp,
	cl_collation,
	cl_type
	FROM
	/_/__temp__categorylinks;
	DROP TABLE /_/__temp__categorylinks;

	CREATE INDEX cl_sortkey ON /_/categorylinks (
	cl_to, cl_type, cl_sortkey, cl_from
	);

	CREATE INDEX cl_timestamp ON /_/categorylinks (cl_to, cl_timestamp);