MaxNevermind commented on code in PR #1335:
URL: https://github.com/apache/parquet-java/pull/1335#discussion_r1707448733
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parquet-hadoop/src/main/java/org/apache/parquet/hadoop/rewrite/ParquetRewriter.java:
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@@ -267,100 +282,157 @@ public void close() throws IOException {
}
public void processBlocks() throws IOException {
- while (reader != null) {
- IndexCache indexCache = IndexCache.create(reader,
descriptorsMap.keySet(), indexCacheStrategy, true);
- processBlocksFromReader(indexCache);
- indexCache.clean();
- initNextReader();
- }
- }
-
- private void processBlocksFromReader(IndexCache indexCache) throws
IOException {
- for (int blockId = 0; blockId < meta.getBlocks().size(); blockId++) {
- BlockMetaData blockMetaData = meta.getBlocks().get(blockId);
- writer.startBlock(blockMetaData.getRowCount());
- indexCache.setBlockMetadata(blockMetaData);
- List<ColumnChunkMetaData> columnsInOrder = blockMetaData.getColumns();
- for (int i = 0, columnId = 0; i < columnsInOrder.size(); i++) {
- ColumnChunkMetaData chunk = columnsInOrder.get(i);
- ColumnDescriptor descriptor = descriptorsMap.get(chunk.getPath());
-
- // This column has been pruned.
- if (descriptor == null) {
- continue;
- }
-
- // If a column is encrypted, we simply throw exception.
- // Later we can add a feature to trans-encrypt it with different keys
- if (chunk.isEncrypted()) {
- throw new IOException("Column " + chunk.getPath().toDotString() + "
is already encrypted");
+ TransParquetFileReader readerJoin = inputFilesToJoin.peek();
Review Comment:
Change `Join` to `ToJoin` in all variables names here.
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