# Database Schema ```plantuml package inv { entity product_variant_stock { id: char(36) (not null) --- # reference_id: char(36) --- product_variant_id: char(36) (null) product_variant_id_int: bigint (not null) stock_location_id: bigint (null) stock_on_hand: int(not null) stock_reserved: int(not null) stock_available: int(not null) stock_location_id_int: bigint (not null) --- created_at: timestamp (not null) created_by: bigint (null) updated_at: timestamp (null) updated_by: bigint (null) deleted_at: timestamp (null) --- product_id: char(36) (null) product_id_int: bigint (null) product_variant_mapping_id: varchar(36) (null) } } ```