Fucun Chu created IMPALA-10835:
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Summary: Extend the ds_hll_sketch() function to accept a precision
Key: IMPALA-10835
URL: https://issues.apache.org/jira/browse/IMPALA-10835
Project: IMPALA
Issue Type: Improvement
Components: Backend
Reporter: Fucun Chu
Assignee: Fucun Chu
Like [IMPALA-2658|https://issues.apache.org/jira/browse/IMPALA-2658], an
optional parameter is added to solve the limitation of the precision of the
ds_hll_sketch function.
{code:java}
DS_HLL_SKETCH(expression [, precision])
{code}
The precision value must be between 4 and 21. The default is 12.
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