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https://issues.apache.org/jira/browse/IGNITE-14544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17346316#comment-17346316
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Taras Ledkov commented on IGNITE-14544:
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[~alex_pl], [~korlov], please review the patch.
I've added the {{AggregateExpandDistinctAggregatesRule.Config.JOIN}} and the
hint {{EXPAND_DISTINCT_AGG}} to disable convert LogicalAggretate to Ignite
aggregates when it contains distinct AggCall.
> Calcite engine. Support DISTINCT aggregates
> -------------------------------------------
>
> Key: IGNITE-14544
> URL: https://issues.apache.org/jira/browse/IGNITE-14544
> Project: Ignite
> Issue Type: Bug
> Reporter: Taras Ledkov
> Assignee: Taras Ledkov
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Now, DISTINCT aggregates not implemented.
> (e.g. {{SELECT COUNT (DISTINCT lastName) FROM person}})
> Tests:
> {{aggregate/aggregates/test_count.test}}
> {{aggregate/aggregates/test_avg.test}}
> {{aggregate/aggregates/test_distinct_aggr.test}}
> {{aggregate/aggregates/test_distinct_string_agg.test}}
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