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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
 */

if object_id('[source_message]', 'U') is not null
    drop table [source_message];

if object_id('[message]', 'U') is not null
    drop table [message];

CREATE TABLE [source_message]
(
   [id]          integer IDENTITY PRIMARY KEY,
   [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 NO ACTION ON DELETE CASCADE;

CREATE INDEX [idx_message_language] on [message] ([language]);
CREATE INDEX [idx_source_message_category] on [source_message] ([category]);