Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/18000#discussion_r117140137
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala
---
@@ -166,7 +166,14 @@ private[parquet] object ParquetFilters {
* Converts data sources filters to Parquet filter predicates.
*/
def createFilter(schema: StructType, predicate: sources.Filter):
Option[FilterPredicate] = {
- val dataTypeOf = getFieldMap(schema)
+ val nameTypeMap = getFieldMap(schema)
+
+ // Parquet does not allow dots in the column name because dots are
used as a column path
--- End diff --
Yes, it is. However, we don't already log pushed filters failed to create,
e.g., `In` AFAIK. Probably, we should log in those cases across all the
sources. If you don't strongly feel about this, I would like to not log here
for now.
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