Limited DMTL

Another Syntax

-- 実験
using a : tx
with x, y, z : constant
match
case a.x_id = x.id
  && a.y_id = y.id
  && a.z_id = z.id
  => a / {x_name = x.name, y_name = y.name, z_name = z.name} into out
case _
  => a into failed
;

gistfile1.txt

-- creates a flow part :: (a : tx, (x, y, z) : constant) -> (out : tx, failed : tx)
FROM a : tx
WITH x, y, z : constant
WHERE a.x_id = x.id
  AND a.y_id = y.id
  AND a.z_id = z.id
  SELECT a / {x_name = x.name, y_name = y.name, z_name = z.name}
  INTO out
OR
  SELECT a INTO failed
;