ConeyLiu commented on code in PR #1273:
URL: https://github.com/apache/parquet-mr/pull/1273#discussion_r1558948785
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parquet-hadoop/src/main/java/org/apache/parquet/hadoop/rewrite/ParquetRewriter.java:
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@@ -904,4 +955,175 @@ public byte[] getDictPageAAD() {
return this.dictPageAAD;
}
}
+
+ private static class RightColumnWriter {
+ private final Queue<TransParquetFileReader> inputFiles;
+ private final ParquetRewriter parquetRewriter;
+ private final ParquetFileWriter writer;
+ private final MessageType schema;
+ private final Map<ColumnPath, ColumnDescriptor> descriptorsMap;
+ private final Map<ColumnDescriptor, ColumnReader> colReaders = new
HashMap<>();
+ private final Map<ColumnDescriptor, ColumnChunkPageWriteStore> cPageStores
= new HashMap<>();
+ private final Map<ColumnDescriptor, ColumnWriteStore> cStores = new
HashMap<>();
+ private final Map<ColumnDescriptor, ColumnWriter> cWriters = new
HashMap<>();
+ private int rowGroupIdxL = 0; // index of the rowGroup of the current file
on the left
+ private int rowGroupIdxR = 0; // index of the rowGroup of the current file
on the right
+ private int writtenFromBlock = 0;
Review Comment:
I suggest using long type.
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