ALTER TABLE pieces ADD COLUMN preparation_effort TEXT CHECK (
	preparation_effort IS NULL OR preparation_effort IN ('low', 'medium', 'high')
);
ALTER TABLE pieces ADD COLUMN presentation_image_only INTEGER NOT NULL DEFAULT 0
	CHECK (presentation_image_only IN (0, 1));
ALTER TABLE piece_usages ADD COLUMN presentation_image_only_snapshot INTEGER NOT NULL DEFAULT 0
	CHECK (presentation_image_only_snapshot IN (0, 1));

ALTER TABLE show_sections ADD COLUMN twitch_tags TEXT NOT NULL DEFAULT '';
ALTER TABLE show_template_sections ADD COLUMN twitch_tags TEXT NOT NULL DEFAULT '';