sunchao commented on a change in pull request #32777:
URL: https://github.com/apache/spark/pull/32777#discussion_r647780659
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetIOSuite.scala
##########
@@ -496,6 +496,28 @@ class ParquetIOSuite extends QueryTest with ParquetTest
with SharedSparkSession
}
}
+ test("SPARK-35640: read binary as timestamp should throw schema incompatible
error") {
+ val data = (1 to 4).map(i => Tuple1(i.toString))
+ val readSchema = StructType(Seq(StructField("_1",
DataTypes.TimestampType)))
+
+ withParquetFile(data) { path =>
+ val errMsg =
intercept[Exception](spark.read.schema(readSchema).parquet(path).collect())
+ .getMessage
+ assert(errMsg.contains("Parquet column cannot be converted in file"))
+ }
+ }
+
+ test("SPARK-35640: int as long should throw schema incompatible error") {
Review comment:
schema evolution from int to bigint is unsupported for Parquet atm -
plan to address it in https://issues.apache.org/jira/browse/SPARK-35461
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