Reputation: 696
I would like to add a condition if the row value is null or 0 then 0 else 1.
SELECT CASE WHEN NUM_FRIEND IS NULL AND 0 THEN 0 ELSE 1 END AS friends_column
FROM TABLE
I get the following error:
No matching signature for operator and
Upvotes: 0
Views: 4247
Reputation: 1269513
As a case
expression, the syntax is:
SELECT (CASE WHEN NUM_FRIEND IS NULL OR NUM_FRIEND = 0 THEN 0 ELSE 1 END) AS friends_column
FROM TABLE;
You can simplify this to:
SELECT (CASE WHEN NUM_FRIEND <> 0 THEN 1 ELSE 0 END) AS friends_column
FROM TABLE;
Or, instead of 0
and 1
, return a boolean:
SELECT (NUM_FRIEND <> 0) AS friends_column
FROM TABLE;
Upvotes: 1