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https://issues.apache.org/jira/browse/HIVE-29153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18014485#comment-18014485
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yongzhi.shao commented on HIVE-29153:
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[~zhangbutao] [~dkuzmenko]
hello sir, can you check this? tks.
I'm not quite sure if increasing the limit of groupByExprs.size() will cause
any problems.
> HIVE_GROUPING_SETS_SIZE_LIMIT too small
> ----------------------------------------
>
> Key: HIVE-29153
> URL: https://issues.apache.org/jira/browse/HIVE-29153
> Project: Hive
> Issue Type: Improvement
> Reporter: yongzhi.shao
> Priority: Major
>
> {code:java}
> if (!groupingSets.isEmpty() && groupByExprs.size() > Long.SIZE) {
> throw new
> SemanticException(ErrorMsg.HIVE_GROUPING_SETS_SIZE_LIMIT.getMsg());
> }
> // Long.SIZE = 64{code}
> Currently, we find that our users are starting to use 100~200 groupByExprs,
> is the current maximum limit of 64 too small?
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