[jira] [Created] (TAJO-391) Change setting default type in query from FLOAT4 to FLOAT8

[DaeMyung Kang (JIRA)]

DaeMyung Kang created TAJO-391:
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             Summary: Change setting default type in query from FLOAT4 to FLOAT8
                 Key: TAJO-391
                 URL: https://issues.apache.org/jira/browse/TAJO-391
             Project: Tajo
          Issue Type: Improvement
            Reporter: DaeMyung Kang
            Assignee: DaeMyung Kang
            Priority: Minor
         Attachments: TAJO-391.patch

FLOAT4 is default parsed float type in tajo.
but it can cause some trobles when we use it as FLOAT8.

for examples.
0.4(f) will changed to 0.40000000000005(d)

so it cause different result from java.Math functions.



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