ALTER TABLE products ADD COLUMN IF NOT EXISTS hsn_sac_code VARCHAR(20); ALTER TABLE products ADD COLUMN IF NOT EXISTS gst_rate DECIMAL(5, 2) DEFAULT 0; -- Add missing columns to invoice_items table ...

ALTER TABLE public.artists ADD COLUMN IF NOT EXISTS ticketmaster_id TEXT UNIQUE; ALTER TABLE public.venues ADD COLUMN IF NOT EXISTS ticketmaster_id TEXT UNIQUE; ALTER TABLE public.shows ADD COLUMN IF ...