jonahgao commented on code in PR #13308:
URL: https://github.com/apache/datafusion/pull/13308#discussion_r1834440329
##########
datafusion/expr/src/expr.rs:
##########
@@ -1598,7 +1598,11 @@ impl Expr {
///
/// For example, gicen an expression like `<int32> = $0` will infer `$0` to
/// have type `int32`.
- pub fn infer_placeholder_types(self, schema: &DFSchema) -> Result<Expr> {
+ ///
+ /// Returns transformed expression and flag that is true if expression
contains
+ /// at least one placeholder.
Review Comment:
👍
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