ALTER TABLE costing_op_headers
    ADD COLUMN style_info_id BIGINT UNSIGNED NULL AFTER style_id,
    ADD KEY idx_costing_op_style_info (style_info_id),
    ADD CONSTRAINT fk_costing_op_style_info FOREIGN KEY (style_info_id) REFERENCES style_infos (id);

ALTER TABLE costing_op_primary_data_sets
    ADD COLUMN style_info_id BIGINT UNSIGNED NULL AFTER style_name,
    ADD KEY idx_costing_primary_style_info (style_info_id),
    ADD CONSTRAINT fk_costing_primary_style_info FOREIGN KEY (style_info_id) REFERENCES style_infos (id);