fix: Enable schema merging for incremental and dfs sources#18385

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yihua merged 9 commits into

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linliu-code:enforce_schema_merging

May 15, 2026

Commits on May 15, 2026

Merge schema for bootstrap

linliu-code
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yihua
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Fix comments

linliu-code
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yihua
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Extend cloud-incremental mergeSchema to ORC

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yihua
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Replace ORC e2e tests with predicate test (orc-core-nohive classpath conflict)

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yihua
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Remove flaky parquetMixedSchemasDropExtraColumnsWhenMergeDisabled test

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yihua
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Remove flaky parquetSparkDatasourceOptionsMergeSchemaFalseDropsExtraColumns

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yihua
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Remove unused CloudSourceConfig import in test

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yihua
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fix: Extend schema-merging to ParquetDFSSource (default) and ORCDFSSource

linliu-code
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yihua
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Address review comments
yihua
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