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https://issues.apache.org/jira/browse/DRILL-8406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Turton updated DRILL-8406:
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Fix Version/s: 1.22.0
(was: 1.21.1)
> Enable implicit casting of VARCHAR and BIT args in aggregate functions
> ----------------------------------------------------------------------
>
> Key: DRILL-8406
> URL: https://issues.apache.org/jira/browse/DRILL-8406
> Project: Apache Drill
> Issue Type: Improvement
> Components: Functions - Drill
> Affects Versions: 1.21.0
> Reporter: James Turton
> Assignee: James Turton
> Priority: Minor
> Fix For: 1.22.0
>
>
> Default function implementations that that throw unsupported operation
> exceptions in the class AggregateErrorFunctions prevent the implicit casting
> of VARCHAR and BIT arguments to neighbouring types. E.g.
> {code:java}
> apache drill> select sum('1');
> Error: UNSUPPORTED_OPERATION ERROR: Only COUNT, MIN and MAX aggregate
> functions supported for VarChar type{code}
> This issue proposes to remove AggregateErrorFunctions so that implicit
> casting works, the example above changing as follows.
> {code:java}
> apache drill> select sum('1');
> EXPR$0 1
> 1 row selected (2.346 seconds)
> {code}
>
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