LuciferYang commented on a change in pull request #30483:
URL: https://github.com/apache/spark/pull/30483#discussion_r530370659
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File path:
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java
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@@ -102,13 +105,13 @@ public void initialize(InputSplit inputSplit,
TaskAttemptContext taskAttemptCont
// if task.side.metadata is set, rowGroupOffsets is null
if (rowGroupOffsets == null) {
// then we need to apply the predicate push down filter
- footer = readFooter(configuration, file, range(split.getStart(),
split.getEnd()));
+ footer = getFooterByRange(configuration, split.getStart(),
split.getEnd());
MessageType fileSchema = footer.getFileMetaData().getSchema();
FilterCompat.Filter filter = getFilter(configuration);
blocks = filterRowGroups(filter, footer.getBlocks(), fileSchema);
} else {
Review comment:
Actually, I think this branch is unreadable in Spark and
https://github.com/apache/spark/pull/30484 try to remove this branch.
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