andygrove commented on code in PR #2429:
URL: https://github.com/apache/datafusion-comet/pull/2429#discussion_r2372520786
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spark/src/test/scala/org/apache/comet/CometFuzzAggregateSuite.scala:
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@@ -26,8 +26,18 @@ class CometFuzzAggregateSuite extends CometFuzzTestBase {
df.createOrReplaceTempView("t1")
for (col <- df.columns) {
val sql = s"SELECT count(distinct $col) FROM t1"
Review Comment:
could you also add tests for count distinct with multiple columns e.g.
`COUNT(DISTINCT col1, col2, col3)`
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