I have this query:
WITH COST (
SELECT
PRICE
,OTHERCOLUMN
FROM TABLECOST)
SELECT
COL_1
,COL_2
,OTHERCOLUMN AS QUANTITY
,CASE
WHEN PRICE = IS NULL THEN COL_3
ELSE PRICE END AS UNIT_COST
,UNIT_COST * QUANTITY AS TOTALCOST
FROM TABLE_FINAL
And it is said that the column 'UNIT_COST', which one was created in a case sentence before does not exist, how can i fixed that?