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https://issues.apache.org/jira/browse/SPARK-60123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18140240#comment-18140240
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Wayne Wang commented on SPARK-60123:
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I've reproduced this issue and prepared a fix in OrcUtils.getOrcSchemaString.
The regression tests cover catalog table reads and explicit-schema file reads,
including V1/V2 scans, vectorized and non-vectorized readers, nested strings,
and collation-aware predicates.
Local regression tests and related ORC/collation suites pass. I'll submit a PR
shortly.
> Reading ORC tables with collated STRING columns fails
> -----------------------------------------------------
>
> Key: SPARK-60123
> URL: https://issues.apache.org/jira/browse/SPARK-60123
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 5.0.0
> Environment: Spark: 5.0.0-SNAPSHOT
> Commit: 38422aefaf599ffb4cfa579d98898d95b1f02081
> Java: OpenJDK 17.0.17
> OS: macOS 15.7.4
> Reporter: Yibo Dong
> Priority: Major
> Labels: sql
>
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