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https://issues.apache.org/jira/browse/DRILL-4540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krystal updated DRILL-4540:
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Labels: limit0 (was: )
> Queries with UNION fails with data type mis-match for limit 0
> -------------------------------------------------------------
>
> Key: DRILL-4540
> URL: https://issues.apache.org/jira/browse/DRILL-4540
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Reporter: Krystal
> Assignee: Sean Hsuan-Yi Chu
> Labels: limit0
>
> git.commit.id.abbrev=fb09973
> The following queries returns different data types between with and without
> limit 0:
> SELECT c1 FROM `union_01.parquet` UNION SELECT c2 FROM `union_02.parquet`
> limit 0: [INTEGER]
> regular: [BIGINT]
> SELECT c2 FROM `union_01.parquet` UNION SELECT c8 FROM `union_02.parquet`
> limit 0: [BIGINT]
> regular: [DOUBLE]
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