Self Order

migrations/000063_add_self_order_support.down.sql

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+-- Remove source column from orders
+ALTER TABLE orders DROP COLUMN IF EXISTS source;
+
+-- Remove token column from tables
+DROP INDEX IF EXISTS idx_tables_token_active;
+DROP INDEX IF EXISTS idx_tables_token;
+ALTER TABLE tables DROP COLUMN IF EXISTS token;

migrations/000063_add_self_order_support.up.sql

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+-- Add token column to tables for self-order QR code identification
+ALTER TABLE tables ADD COLUMN IF NOT EXISTS token VARCHAR(100);
+CREATE UNIQUE INDEX IF NOT EXISTS idx_tables_token ON tables(token);
+CREATE INDEX IF NOT EXISTS idx_tables_token_active ON tables(token) WHERE is_active = true;
+
+-- Backfill existing tables with unique tokens
+-- Uses gen_random_uuid() to generate unique tokens for each existing table
+UPDATE tables SET token = gen_random_uuid()::text WHERE token IS NULL;
+
+-- Make token NOT NULL after backfill (optional, keep nullable for flexibility)
+
+-- Add source column to orders for tracking order origin
+ALTER TABLE orders ADD COLUMN IF NOT EXISTS source VARCHAR(50) DEFAULT 'staff';