Zoltan Haindrich created HIVE-18005:
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Summary: Improve size estimation for array() to be not 0
Key: HIVE-18005
URL: https://issues.apache.org/jira/browse/HIVE-18005
Project: Hive
Issue Type: Bug
Components: Statistics
Reporter: Zoltan Haindrich
happens only in case the array is not from a column; and the array contains no
column references
{code}
EXPLAIN
SELECT sort_array(array("b", "d", "c", "a")),array("1","2") FROM t
...
Statistics: Num rows: 1 Data size: 0 Basic stats: COMPLETE Column
stats: COMPLETE
ListSink
{code}
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