supabase/migrations/006_add_expiry_lowstock.sql

@@ -2,21 +2,25 @@
 -- Issues: #63 (expiry tracking), #67 (low-stock threshold)
 -- Created: 2026-02-25
 
--- Add expires_at column for expiry date tracking
+-- Note: expiry_date already exists as DATE type. Adding expires_at as TIMESTAMPTZ for consistency
-ALTER TABLE pantry_items
+-- and low_stock_threshold for threshold tracking.
+
+-- Add expires_at column for precise expiry date/time tracking (complementing existing expiry_date)
+-- We'll keep both: expiry_date (DATE) for simple day-based expiry, expires_at (TIMESTAMPTZ) for precise tracking
+ALTER TABLE inventory_items
 ADD COLUMN expires_at TIMESTAMP WITH TIME ZONE DEFAULT NULL;
 
 -- Add low_stock_threshold column for low-stock alerts
-ALTER TABLE pantry_items
+ALTER TABLE inventory_items
 ADD COLUMN low_stock_threshold NUMERIC(10,2) DEFAULT NULL;
 
 -- Add comments for documentation
-COMMENT ON COLUMN pantry_items.expires_at IS 'Optional expiration date for the item. Null means no expiry tracking.';
+COMMENT ON COLUMN inventory_items.expires_at IS 'Optional precise expiration timestamp. Complements expiry_date for items needing time-specific expiry.';
-COMMENT ON COLUMN pantry_items.low_stock_threshold IS 'Minimum quantity threshold. Item is considered low-stock when quantity <= threshold. Null means no threshold set.';
+COMMENT ON COLUMN inventory_items.low_stock_threshold IS 'Minimum quantity threshold. Item is considered low-stock when quantity <= threshold. Null means no threshold set.';
 
 -- Create index for efficient expiry queries (finding items expiring soon)
-CREATE INDEX idx_pantry_items_expires_at ON pantry_items(expires_at) WHERE expires_at IS NOT NULL;
+CREATE INDEX idx_inventory_items_expires_at ON inventory_items(expires_at) WHERE expires_at IS NOT NULL;
 
 -- Create index for efficient low-stock queries
-CREATE INDEX idx_pantry_items_low_stock ON pantry_items(quantity, low_stock_threshold) 
+CREATE INDEX idx_inventory_items_low_stock ON inventory_items(quantity, low_stock_threshold) 
 WHERE low_stock_threshold IS NOT NULL;