Kevin Liew created PHOENIX-2536:
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Summary: Return of SUM function does not have the correct data type
Key: PHOENIX-2536
URL: https://issues.apache.org/jira/browse/PHOENIX-2536
Project: Phoenix
Issue Type: Bug
Affects Versions: 4.6.0
Reporter: Kevin Liew
ANSI SQL specifies that
{quote}If SUM is specified and DT is exact numeric with scale
S, then the data type of the result is exact numeric with
implementation-defined precision and scale S.
...
If DT is approximate numeric, then the data type of the
result is approximate numeric with implementation-defined
precision not less than the precision of DT.{quote}
However, when summing integer types (first operand) with float or double
(second operand), Phoenix returns the value with the same data type as the
first operand.
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