Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/10593#discussion_r49637590
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/UnsafeRowParquetRecordReader.java
---
@@ -154,6 +184,45 @@ public float getProgress() throws IOException,
InterruptedException {
return (float) rowsReturned / totalRowCount;
}
+ /**
+ * Returns the ColumnarBatch object that will be used for all rows
returned by this reader.
+ * This object is reused. Calling this enables the vectorized reader. It
is not valid to
+ * call nextKeyValue/nextBatch before calling this.
+ */
+ public ColumnarBatch resultBatch() {
+ return resultBatch(DEFAULT_OFFHEAP);
--- End diff --
Should we use ONHEAP as default? (change it later with other offheap staff)
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