Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/18580#discussion_r126323442
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/ColumnExpressionSuite.scala ---
@@ -530,6 +530,20 @@ class ColumnExpressionSuite extends QueryTest with
SharedSQLContext {
)
}
+ test("input_file_name, input_file_block_start, input_file_block_length -
more than one sources") {
+ withTable("tab1", "tab2") {
+ val data = sparkContext.parallelize(0 to 10).toDF("id")
+ data.write.saveAsTable("tab1")
+ data.write.saveAsTable("tab2")
+ Seq("input_file_name", "input_file_block_start",
"input_file_block_length").foreach { func =>
+ val e = intercept[AnalysisException] {
+ sql(s"SELECT *, $func() FROM tab1 JOIN tab2 ON tab1.id =
tab2.id")
+ }.getMessage
+ assert(e.contains(s"'$func' does not support more than one
sources"))
--- End diff --
ditto.
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