jayzhan211 commented on code in PR #11989:
URL: https://github.com/apache/datafusion/pull/11989#discussion_r1722815650
##########
datafusion/functions/src/core/arrow_cast.rs:
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@@ -87,6 +89,10 @@ impl ScalarUDFImpl for ArrowCastFunc {
internal_err!("arrow_cast should return type from exprs")
}
+ fn is_nullable(&self, args: &[Expr], schema: &dyn ExprSchema) -> bool {
+ args.iter().any(|e| e.nullable(schema).ok().unwrap_or(true))
Review Comment:
This was added due to the test from #12050
##########
datafusion/functions/src/core/arrow_cast.rs:
##########
@@ -87,6 +89,10 @@ impl ScalarUDFImpl for ArrowCastFunc {
internal_err!("arrow_cast should return type from exprs")
}
+ fn is_nullable(&self, args: &[Expr], schema: &dyn ExprSchema) -> bool {
+ args.iter().any(|e| e.nullable(schema).ok().unwrap_or(true))
Review Comment:
This is added due to the test from #12050
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