nsivabalan commented on code in PR #10199:
URL: https://github.com/apache/hudi/pull/10199#discussion_r1408722685
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hudi-utilities/src/main/java/org/apache/hudi/utilities/sources/ParquetDFSSource.java:
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@@ -52,6 +52,6 @@ public Pair<Option<Dataset<Row>>, String>
fetchNextBatch(Option<String> lastCkpt
}
private Dataset<Row> fromFiles(String pathStr) {
- return sparkSession.read().parquet(pathStr.split(","));
+ return sparkSession.read().option("mergeSchema",
"true").parquet(pathStr.split(","));
Review Comment:
Can we add a config property for this and enable based on that.
you can introduce a new Config class named ParquetDFSSourceConfig and add a
config property for MergeSchema.
set default to true.
you can take a look at
https://github.com/apache/hudi/blob/master/hudi-utilities/src/main/java/org/apache/hudi/utilities/config/DFSPathSelectorConfig.java
for reference.
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