-- Region Branchs



SELECT CONCAT('WARNING: Table ', TABLE_NAME, ' already exists.') AS msg_warning FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'Shop_Region_Branch';

CREATE TABLE IF NOT EXISTS Shop_Region_Branch (
	id_branch INTEGER NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
    id_region_parent INTEGER NOT NULL,
    CONSTRAINT FK_Shop_Region_Branch_id_region_parent
		FOREIGN KEY (id_region_parent)
        REFERENCES Shop_Region(id_region)
        ON UPDATE RESTRICT,
    id_region_child INTEGER NOT NULL,
    CONSTRAINT FK_Shop_Region_Branch_id_region_child
		FOREIGN KEY (id_region_child)
        REFERENCES Shop_Region(id_region)
        ON UPDATE RESTRICT,
    -- depth INTEGER NOT NULL,
    active BOOLEAN NOT NULL DEFAULT TRUE,
    display_order INTEGER NOT NULL,
    created_on TIMESTAMP,
    created_by VARCHAR(100),
    id_change_set INTEGER,
    CONSTRAINT FK_Shop_Region_Branch_id_change_set
		FOREIGN KEY (id_change_set) 
        REFERENCES Shop_Product_Change_Set(id_change_set)
);