Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/1346#discussion_r15511457
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTypes.scala ---
@@ -140,10 +142,12 @@ private[parquet] object ParquetTypesConverter extends
Logging {
assert(keyValueGroup.getFields.apply(0).getRepetition ==
Repetition.REQUIRED)
val valueType = toDataType(keyValueGroup.getFields.apply(1))
assert(keyValueGroup.getFields.apply(1).getRepetition ==
Repetition.REQUIRED)
- new MapType(keyType, valueType)
+ // TODO: set valueContainsNull explicitly instead of assuming
valueContainsNull is true
+ // at here.
+ MapType(keyType, valueType)
} else if (correspondsToArray(groupType)) { // ArrayType
val elementType = toDataType(groupType.getFields.apply(0))
- new ArrayType(elementType)
+ ArrayType(elementType, false)
--- End diff --
here too
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