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vendor/yiisoft/yii2/i18n/migrations/schema-pgsql.sql

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+/**
+ * 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";