yiisoft/yii2

/**
 * Database schema required by \yii\i18n\DbMessageSource.
 *
 * @author Dmitry Naumenko <d.naumenko.a@gmail.com>
 * @link https://www.yiiframework.com/
 * @copyright 2008 Yii Software LLC
 * @license https://www.yiiframework.com/license/
 * @since 2.0.7
 */


drop table if exists "source_message";
drop table if exists "message";

CREATE SEQUENCE source_message_seq;

CREATE TABLE "source_message"
(
   "id"         integer NOT NULL PRIMARY KEY DEFAULT nextval('source_message_seq'),
   "category"   varchar(255),
   "message"    text
);

CREATE TABLE "message"
(
   "id"          integer NOT NULL,
   "language"    varchar(16) NOT NULL,
   "translation" text
);

ALTER TABLE "message" ADD CONSTRAINT "pk_message_id_language" PRIMARY KEY ("id", "language");
ALTER TABLE "message" ADD CONSTRAINT "fk_message_source_message" FOREIGN KEY ("id") REFERENCES "source_message" ("id") ON UPDATE RESTRICT ON DELETE CASCADE;

CREATE INDEX "idx_message_language" ON "message" USING btree (language);
ALTER TABLE "message" CLUSTER ON "idx_message_language";

CREATE INDEX "idx_source_message_category" ON "source_message" USING btree (category);
ALTER TABLE "source_message" CLUSTER ON "idx_source_message_category";