ALTER TABLE prices_other_products DROP COLUMN IF EXISTS wallpaper_glue_price;

-- Add new column to prices_other_products for wallpaper glue price
ALTER TABLE prices_other_products ADD COLUMN wallpaper_glue_price NUMERIC;
UPDATE prices_other_products SET wallpaper_glue_price = 99;
ALTER TABLE prices_other_products ALTER COLUMN wallpaper_glue_price SET NOT NULL;
ALTER TABLE prices_other_products ADD CONSTRAINT valid_wallpaper_glue_price CHECK (prices_other_products.wallpaper_glue_price > 0);