Sergey Shelukhin created HIVE-20417:
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Summary: Hive converts strings to doubles in a strange manner
Key: HIVE-20417
URL: https://issues.apache.org/jira/browse/HIVE-20417
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
Assignee: Matt McCline
This is not on master, but on a close enough version, so it needs to be dbl
checked... running with vectorization on:
{noformat}
POSTHOOK: query: create table cross_numbers(i string)
POSTHOOK: query: insert into table cross_numbers select key from src limit 20
POSTHOOK: query: select c1.i, c2.i, c1.i + c2.i, c1.i + '' + c2.i from
cross_numbers c1 cross
401 265 666.0 NULL
401 255 656.0 NULL
401 165 566.0 NULL
{noformat}
Why are strings added as numbers, and string + '' + string converted to null is
not clear..
[~ashutoshc] is plus supposed to work for string?
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