gengliangwang commented on code in PR #37501:
URL: https://github.com/apache/spark/pull/37501#discussion_r944887434
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetRowConverter.scala:
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@@ -282,14 +239,17 @@ private[parquet] class ParquetRowConverter(
// Create a RowUpdater instance for converting Parquet objects to
Catalyst rows. If any fields
// in the Catalyst result schema have associated existence default
values, maintain a boolean
// array to track which fields have been explicitly assigned for each
row.
- val rowUpdater: RowUpdater =
- if (catalystType.hasExistenceDefaultValues) {
- resetExistenceDefaultsBitmask(catalystType)
- new RowUpdaterWithBitmask(
- currentRow, catalystFieldIndex,
catalystType.existenceDefaultsBitmask)
- } else {
- new RowUpdater(currentRow, catalystFieldIndex)
+ val rowUpdater: RowUpdater = new RowUpdater(currentRow,
catalystFieldIndex)
+ if (catalystType.hasExistenceDefaultValues) {
+ for (i <- 0 until catalystType.existenceDefaultValues.size) {
+ catalystType.existenceDefaultsBitmask(i) =
+ if (i < parquetType.getFieldCount) {
Review Comment:
Why comparing with `parquetType.getFieldCount` here?
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