GROUP BY TINYINT

Question

I have this simple query:
SELECT t1.col1, t2.col2
FROM dbo.tbl1 t1 INNER JOIN tbl2 t2
ON...
GROUP BY t1.col1, t2.col2
but I get error: "Cannot call methods on tinyint"
TinyInt column is t2.col2.
From when you cannot use group by on tiny int column?
What is interesting is that DISTINCT works without error:
SELECT DISTINCT t1.col1, t2.col2
FROM dbo.tbl1 t1 INNER JOIN tbl2 t2
ON...
Can someone explain? In the past DISTINCT and GROUP BY worked the same(same execution plan). I have SQL 2014 developer version.

Answer 1

I have this simple query:
SELECT t1.col1, t2.col2
FROM dbo.tbl1 t1 INNER JOIN tbl2 t2
ON...
GROUP BY t1.col1, t2.col2
but I get error: "Cannot call methods on tinyint"
TinyInt column is t2.col2.
From when you cannot use group by on tiny int column?
What is interesting is that DISTINCT works without error:
SELECT DISTINCT t1.col1, t2.col2
FROM dbo.tbl1 t1 INNER JOIN tbl2 t2
ON...
Can someone explain? In the past DISTINCT and GROUP BY worked the same(same execution plan). I have SQL 2014 developer version.
I dont think its complaining on the usage of GROUP BY
Can you post rest of your script.. I think error is thrown from someother part.
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