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CREATE TABLE director_datafield_category (
id serial,
category_name character varying(255) NOT NULL,
description text DEFAULT NULL,
PRIMARY KEY (id)
);
CREATE UNIQUE INDEX datafield_category_name ON director_datafield_category (category_name);
ALTER TABLE director_datafield
ADD COLUMN category_id integer DEFAULT NULL,
ADD CONSTRAINT director_datafield_category
FOREIGN KEY (category_id)
REFERENCES director_datafield_category (id)
ON DELETE RESTRICT
ON UPDATE CASCADE;
CREATE INDEX datafield_category ON director_datafield (category_id);
INSERT INTO director_schema_migration
(schema_version, migration_time)
VALUES (168, NOW());
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