[ https://issues.apache.org/jira/browse/IMPALA-12111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Smith updated IMPALA-12111: ----------------------------------- Component/s: Backend > Speed up DATE to STRING conversion > ---------------------------------- > > Key: IMPALA-12111 > URL: https://issues.apache.org/jira/browse/IMPALA-12111 > Project: IMPALA > Issue Type: Improvement > Components: Backend, be > Reporter: Csaba Ringhofer > Priority: Major > Fix For: Impala 4.3.0 > > > Converting DATE to STRING is slower than converting TIMESTAMP to STRING which > is weird as TIMESTAMP handling should need more work. The culprit seems to be > using stringstream in DateValue.ToString(): > https://github.com/apache/impala/blob/14698c8b99b80db7e6fd99900e32b6742bef1662/be/src/runtime/date-value.cc#L433 > As dates are returned as string to the client this also slow down the > materialization of results on the coordinator. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org