all about sql

sql2.sql

WITH finished AS (
		SELECT workpiece_type, current_procedure, procedure_result, 1 AS status
		FROM t_mvp_aau_result
		WHERE workpiece_id IN (
			SELECT workpiece_id
			FROM t_mvp_aau_result
			WHERE station_id = '1'
			ORDER BY starttime DESC
			LIMIT 1
		)
		ORDER BY starttime DESC 
	), 
	checking AS (
		SELECT workpiece_type, next_procedure AS current_procedure, 0 AS procedure_result, 0 AS status
		FROM t_mvp_aau_procedure
		WHERE current_procedure IN (
			SELECT current_procedure
			FROM finished
			LIMIT 1
		)
	), 
	other AS (
		SELECT workpiece_type, current_procedure, 0 AS procedure_result, -1 AS status
		FROM t_mvp_aau_procedure
		WHERE current_procedure NOT IN (
				SELECT current_procedure
				FROM finished
			)
			AND current_procedure NOT IN (
				SELECT current_procedure
				FROM checking
			)
	)
SELECT * FROM finished
UNION
SELECT * FROM checking
UNION
SELECT * FROM other

with.sql

WITH finished AS (
		SELECT workpiece_type, current_procedure, procedure_result, 1 AS status
		FROM t_mvp_aau_result
		WHERE workpiece_id IN (
			SELECT workpiece_id
			FROM t_mvp_aau_result
			WHERE station_id = '1'
			ORDER BY starttime DESC
			LIMIT 1
		)
		ORDER BY starttime DESC 
	), 
	checking AS (
		SELECT workpiece_type, next_procedure AS current_procedure, 0 AS procedure_result, 0 AS status
		FROM t_mvp_aau_procedure
		WHERE current_procedure IN (
			SELECT current_procedure
			FROM finished
			LIMIT 1
		)
	), 
	other AS (
		SELECT workpiece_type, current_procedure, 0 AS procedure_result, -1 AS status
		FROM t_mvp_aau_procedure
		WHERE current_procedure NOT IN (
				SELECT current_procedure
				FROM finished
			)
			AND current_procedure NOT IN (
				SELECT current_procedure
				FROM checking
			)
	)
SELECT * FROM finished
UNION
SELECT * FROM checking
UNION
SELECT * FROM other