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https://issues.apache.org/jira/browse/CALCITE-495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16586916#comment-16586916
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Wenlong Lyu commented on CALCITE-495:
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hi, [~julianhyde] is there any progress on supporting query hint in calcite.
we are looking into some solution for specifying parameters for table
presenting a message queue such as start_time/stop_time in streaming sql, Hint
maybe a solution.
> Support hints to be passed through select/DML commands
> ------------------------------------------------------
>
> Key: CALCITE-495
> URL: https://issues.apache.org/jira/browse/CALCITE-495
> Project: Calcite
> Issue Type: Sub-task
> Reporter: James Taylor
> Assignee: Julian Hyde
> Priority: Major
> Labels: phoenix
>
> Hints are a useful mechanism for allowing the user to override optimizer
> decisions. It'd be nice if Calcite supported passing hints through in the /*+
> MY_HINT MY_OTHER_HINT */ syntax. For examples, see
> http://phoenix.apache.org/language/index.html#select
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