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https://issues.apache.org/jira/browse/HUDI-8634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sivabalan narayanan updated HUDI-8634:
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Status: In Progress (was: Patch Available)
> Support schema on read in file group reader-based compaction
> ------------------------------------------------------------
>
> Key: HUDI-8634
> URL: https://issues.apache.org/jira/browse/HUDI-8634
> Project: Apache Hudi
> Issue Type: Sub-task
> Reporter: Y Ethan Guo
> Assignee: Y Ethan Guo
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.0.1
>
> Original Estimate: 8h
> Time Spent: 6h
> Remaining Estimate: 0h
>
> Right now we disable the file group reader-based compaction for schema on
> read (see below code in HoodieCompactor). For example, this test fails if we
> enable the file group reader-based compaction for schema on read and remove
> the check `StringUtils.isNullOrEmpty(config.getInternalSchema())`: `Test
> alter column types`
> {code:java}
> boolean useFileGroupReaderBasedCompaction = !metaClient.isMetadataTable()
> &&
> config.getBooleanOrDefault(HoodieReaderConfig.FILE_GROUP_READER_ENABLED)
> && compactionHandler.supportsFileGroupReader()
> && !hasBootstrapFile(operations)
> && StringUtils.isNullOrEmpty(config.getInternalSchema()); {code}
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