MrDLontheway commented on a change in pull request #27993: [SPARK-30996][Core]
invaild parquet map key type
URL: https://github.com/apache/spark/pull/27993#discussion_r397808676
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormatSuite.scala
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@@ -56,4 +55,22 @@ class ParquetFileFormatSuite extends QueryTest with
ParquetTest with SharedSpark
}.getCause
assert(exception.getMessage().contains("Could not read footer for file"))
}
+
+ test("read parquet map invaild key type") {
+ withTempDir { dir =>
+ val spark_session = spark
+ import spark_session.implicits._
+ val df = Seq(Map(Map(1 -> 1) -> 1L)).toDF("map")
+ val exception = intercept[AnalysisException] {
+ df.write.mode("overwrite").parquet(dir.getPath)
+ }
+ assert(exception.getMessage().contains("Parquet data source does not
support"))
Review comment:
o sorry , I seem to be wrong
This side will make it impossible to read. Let me review it again.
Seq(Seq(Map(Map(1 -> 1) -> StructValue(1L)))).toDF("long1")
root
|-- long1: array (nullable = true)
| |-- element: map (containsNull = true)
| | |-- key: map
| | | |-- key: integer
| | | |-- value: integer (valueContainsNull = false)
| | |-- value: struct (valueContainsNull = true)
| | | |-- l: long (nullable = false)
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