Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/16578#discussion_r148450744
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetRowConverter.scala
---
@@ -127,8 +127,8 @@ private[parquet] class ParquetRowConverter(
extends ParquetGroupConverter(updater) with Logging {
assert(
- parquetType.getFieldCount == catalystType.length,
- s"""Field counts of the Parquet schema and the Catalyst schema don't
match:
+ parquetType.getFieldCount <= catalystType.length,
--- End diff --
Why it can be less than catalyst type length now?
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