cloud-fan commented on code in PR #49210:
URL: https://github.com/apache/spark/pull/49210#discussion_r1904904517
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/randomExpressions.scala:
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@@ -330,7 +330,8 @@ object Uniform {
group = "string_funcs")
case class RandStr(
length: Expression, override val seedExpression: Expression, hideSeed:
Boolean)
- extends ExpressionWithRandomSeed with BinaryLike[Expression] with
Nondeterministic {
+ extends ExpressionWithRandomSeed with BinaryLike[Expression] with
Nondeterministic
+ with ExpectsInputTypes {
Review Comment:
Then how do we perform type coercion for the non-seed inputs? Shall we
follow the behavior of ansi Cast or non-ansi Cast?
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