gszadovszky commented on code in PR #1274:
URL: https://github.com/apache/parquet-mr/pull/1274#discussion_r1494126621
##########
parquet-column/src/main/java/org/apache/parquet/column/impl/ColumnReaderBase.java:
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@@ -729,7 +729,7 @@ private void initDataReader(Encoding dataEncoding,
ByteBufferInputStream in, int
if (CorruptDeltaByteArrays.requiresSequentialReads(writerVersion,
dataEncoding)
&& previousReader != null
- && previousReader instanceof RequiresPreviousReader) {
+ && dataColumn instanceof RequiresPreviousReader) {
Review Comment:
Just reading the code :)
This is about handling a very old bug at writing parquet files. I don't
think we have too many files with this error out there.
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