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Creating postgres episodes triggers

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This commit is contained in:
Zoe Roux 2021-06-23 20:25:56 +02:00
parent dc16223e3e
commit ac4f171a1c
1 changed files with 31 additions and 2 deletions
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33
Kyoo.Postgresql/Migrations/20210623174932_Triggers.cs
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@ -26,6 +26,30 @@ namespace Kyoo.Postgresql.Migrations
migrationBuilder.Sql(@"
CREATE TRIGGER season_slug_trigger BEFORE INSERT OR UPDATE OF season_number, show_id ON seasons
FOR EACH ROW EXECUTE PROCEDURE season_slug_update();");
// language=PostgreSQL
migrationBuilder.Sql(@"
CREATE FUNCTION episode_slug_update()
RETURNS TRIGGER
LANGUAGE PLPGSQL
AS $$
BEGIN
NEW.slug := CONCAT(
(SELECT slug FROM shows WHERE id = NEW.show_id),
'-s',
NEW.season_number,
'e',
NEW.episode_number
);
RETURN NEW;
END
$$;");
// language=PostgreSQL
migrationBuilder.Sql(@"
CREATE TRIGGER episode_slug_trigger BEFORE INSERT OR UPDATE OF episode_number, season_number, show_id ON episodes
FOR EACH ROW EXECUTE PROCEDURE episode_slug_update();");
// language=PostgreSQL
@ -36,6 +60,7 @@ namespace Kyoo.Postgresql.Migrations
AS $$
BEGIN
UPDATE seasons SET slug = CONCAT(NEW.slug, '-s', season_number) WHERE show_id = NEW.id;
UPDATE episodes SET slug = CONCAT(NEW.slug, '-s', season_number, 'e', episode_number) WHERE show_id = NEW.id;
RETURN NEW;
END
$$;");
@ -48,14 +73,18 @@ namespace Kyoo.Postgresql.Migrations
protected override void Down(MigrationBuilder migrationBuilder)
{
// language=PostgreSQL
migrationBuilder.Sql(@"DROP FUNCTION season_slug_update;");
// language=PostgreSQL
migrationBuilder.Sql("DROP TRIGGER show_slug_trigger ON shows;");
// language=PostgreSQL
migrationBuilder.Sql(@"DROP FUNCTION show_slug_update;");
// language=PostgreSQL
migrationBuilder.Sql(@"DROP TRIGGER season_slug_trigger ON seasons;");
// language=PostgreSQL
migrationBuilder.Sql(@"DROP FUNCTION season_slug_update;");
// language=PostgreSQL
migrationBuilder.Sql("DROP TRIGGER episode_slug_trigger ON episodes;");
// language=PostgreSQL
migrationBuilder.Sql(@"DROP FUNCTION episode_slug_update;");
}
}
}