andygrove commented on code in PR #2682:
URL: https://github.com/apache/datafusion-comet/pull/2682#discussion_r2492157698
##########
fuzz-testing/src/main/scala/org/apache/comet/fuzz/QueryGen.scala:
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@@ -103,7 +104,12 @@ object QueryGen {
val func = Utils.randomChoice(Meta.scalarFunc, r)
try {
val signature = Utils.randomChoice(func.signatures, r)
- val args = signature.inputTypes.map(x => pickRandomColumn(r, table, x))
+ val args =
+ if (signature.varArgs) {
+ pickRandomColumns(r, table, signature.inputTypes.head)
Review Comment:
This assumes that that the function signature has a single argument type
declared?
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