Github user nongli commented on a diff in the pull request:
https://github.com/apache/spark/pull/11437#discussion_r54597312
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/UnsafeRowParquetRecordReader.java
---
@@ -620,13 +624,6 @@ private void readBatch(int total, ColumnVector column)
throws IOException {
}
int num = Math.min(total, leftInPage);
if (useDictionary) {
- // Data is dictionary encoded. We will vector decode the ids and
then resolve the values.
- if (dictionaryIds == null) {
--- End diff --
Remove dictionaryIds from this class.
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