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https://issues.apache.org/jira/browse/HIVE-23015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Varga reassigned HIVE-23015:
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Assignee: Peter Varga
> Fix HIVE_VECTORIZATION_GROUPBY_COMPLEX_TYPES_ENABLED definition
> ---------------------------------------------------------------
>
> Key: HIVE-23015
> URL: https://issues.apache.org/jira/browse/HIVE-23015
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Peter Vary
> Assignee: Peter Varga
> Priority: Minor
>
> The _HIVE_VECTORIZATION_GROUPBY_COMPLEX_TYPES_ENABLED_ is definied like this:
> {code}
> HIVE_VECTORIZATION_GROUPBY_COMPLEX_TYPES_ENABLED("hive.vectorized.groupby.complex.types.enabled",
> true,
> "This flag should be set to true to enable group by vectorization\n" +
> "of aggregations that use complex types.\n",
> "For example, AVG uses a complex type (STRUCT) for partial aggregation
> results" +
> "The default value is true."),
> {code}
> Notice that the end of the "of aggregations that use complex types.\n" line
> is a "," instead of "+".
> So this will end up using the following constructor using the second sentence
> as an "altName" :)
> {code}
> ConfVars(String varname, Object defaultVal, String description, String
> altName) {
> this(varname, defaultVal, null, description, true, false, altName);
> }
> {code}
> We should fix this.
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