comphead commented on code in PR #1788:
URL: https://github.com/apache/datafusion-comet/pull/1788#discussion_r2110170636
##########
spark/src/test/scala/org/apache/comet/exec/CometNativeReaderSuite.scala:
##########
@@ -303,4 +303,28 @@ class CometNativeReaderSuite extends CometTestBase with
AdaptiveSparkPlanHelper
|""".stripMargin,
"select c0[0].a, c0[0].a from tbl")
}
+
+ test("native reader - select nested field from a complex map key using
map_keys") {
+ testSingleLineQuery(
+ """
+ | select map(str0, str0) c0 from
+ | (
+ | select named_struct('a', cast(1 as long), 'b', cast(2 as long),
'c', cast(3 as long)) str0 union all
+ | select named_struct('a', cast(3 as long), 'b', cast(4 as long),
'c', cast(5 as long)) str0
+ | )
+ |""".stripMargin,
+ "select map_keys(c0).b from tbl")
+ }
+
+// test("native reader - select nested field from a complex map key using
map_values") {
Review Comment:
done
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