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https://issues.apache.org/jira/browse/DRILL-8201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vitalii Diravka updated DRILL-8201:
-----------------------------------
Component/s: Execution - Codegen
Storage - JSON
> SchemaChange in HashAgg operator
> --------------------------------
>
> Key: DRILL-8201
> URL: https://issues.apache.org/jira/browse/DRILL-8201
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Codegen, Storage - JSON
> Affects Versions: 1.20.0
> Reporter: Vitalii Diravka
> Assignee: Vitalii Diravka
> Priority: Major
>
> Hash aggregate does not support schema change due to HashAggBatch
> implementation:
> {code:java}
> case UPDATE_AGGREGATOR:
> throw UserException.unsupportedError()
> .message(SchemaChangeException.schemaChanged(
> "Hash aggregate does not support schema change",
> incomingSchema,
> incoming.getSchema()).getMessage())
> .build(logger);
> default: {code}
> After JSON update to leverage EVF there is schema change for this oprator in
> the
> _TestE2EUnnestAndLateral#testMultipleBatchesLateral_WithGroupByInParent_ test
> case
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