Kevin Soo Hoo created HIVE-5022:
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Summary: Decimal Arithmetic generates NULL value
Key: HIVE-5022
URL: https://issues.apache.org/jira/browse/HIVE-5022
Project: Hive
Issue Type: Bug
Components: Types
Affects Versions: 0.11.0
Environment: Hortonworks 1.3 running Hive 0.11.0.1.3.0.0-107
Reporter: Kevin Soo Hoo
When a decimal division is the first operation, the quotient cannot be
multiplied in a subsequent calculation. Instead, a NULL is returned.
The following yield NULL results:
select (cast (4.53 as decimal) / cast(25.86 as decimal)) * cast(0.087 as
decimal) from <tablename> limit 1;
select cast (4.53 as decimal) / cast(25.86 as decimal) * cast(0.087 as decimal)
from <tablename> limit 1;
If we move the multiplication operation to be first, then it will successfully
calculate the result.
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