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https://issues.apache.org/jira/browse/CALCITE-6337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tanner Clary resolved CALCITE-6337.
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Fix Version/s: 1.37.0
Resolution: Fixed
Merged via
[14ade3a|https://github.com/apache/calcite/commit/14ade3a72032986731239068963e4716dc7fe6af],
thanks for the fix, [~barrkel], and the review, [~julianhyde]!
It's not letting me assign [~barrkel] so if someone else is able to that'd be
great
> Distinguish naked measure support between inside and outside aggregation
> ------------------------------------------------------------------------
>
> Key: CALCITE-6337
> URL: https://issues.apache.org/jira/browse/CALCITE-6337
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Barry Kelly
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.37.0
>
>
> Measure type and AGGREGATE function (CALCITE-5105) introduced a configuration
> flag for naked measures.
> Naked measures are measure-typed columns that are referenced outside an
> {{AGGREGATE()}} function call.
> At Looker, we're trying to support a specific semantic using measure-typed
> columns:
> - selecting from a naked measure-typed column outside an aggregating query
> evaluates to {{NULL}}
> This permits basic introspection of the schema like `{{SELECT * FROM foo
> LIMIT 1}}`
> For this, we need naked measures outside a grouping context.
> - selecting from a naked measure-typed column inside an aggregating query is
> an error
> We want all expressions in a grouping query to either be part of the
> grouping key or to have
> an aggregation function applied. For this, we don't want naked measures
> inside a grouping context.
> This change proposes:
> - {{nakedMeasuresOutsideAggregatingQuery}} - boolean flag permitting measure
> references outside aggregating query
> - {{nakedMeasuresInsideAggregatingQuery}} - boolean flag permitting measure
> references inside aggregating query
> - deprecating {{nakedMeasures}} flag, which is now implemented by setting
> both of the above to the same value
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