danny0405 commented on code in PR #19389:
URL: https://github.com/apache/hudi/pull/19389#discussion_r3664597794
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hudi-common/src/main/java/org/apache/hudi/common/table/read/lsm/HoodieLsmFileGroupReader.java:
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@@ -167,15 +161,18 @@ private HoodieLsmFileGroupReader(
throw new IllegalArgumentException("LSM file group reader is doing log
file merge but not reading from the start of the base file");
}
HoodieTableConfig tableConfig = hoodieTableMetaClient.getTableConfig();
- this.props = ConfigUtils.getMergeProps(props, tableConfig);
- readerContext.initRecordMerger(props);
+ // The table's record merge properties are only readable once un-prefixed,
and read-path callers pass their
+ // properties through untouched. Everything downstream must therefore use
the merged set, not the parameter.
+ TypedProperties mergedProps = ConfigUtils.getMergeProps(props,
tableConfig);
+ this.props = mergedProps;
+ readerContext.initRecordMerger(mergedProps);
readerContext.setTablePath(tablePath);
readerContext.setLatestCommitTime(latestCommitTime);
readerContext.setShouldMergeUseRecordPosition(false);
readerContext.setHasBootstrapBaseFile(inputSplit.getBaseFileOption().flatMap(HoodieBaseFile::getBootstrapBaseFile).isPresent());
readerContext.setSchemaHandler(readerContext.getRecordContext().supportsParquetRowIndex()
- ? new ParquetRowIndexBasedSchemaHandler<>(readerContext, dataSchema,
requestedSchema, internalSchemaOpt, props, metaClient)
- : new FileGroupReaderSchemaHandler<>(readerContext, dataSchema,
requestedSchema, internalSchemaOpt, props, metaClient));
+ ? new ParquetRowIndexBasedSchemaHandler<>(readerContext, dataSchema,
requestedSchema, internalSchemaOpt, mergedProps, metaClient)
Review Comment:
for minimal changes, can we rename the param as oriProps
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