make coerce_arguments_for_signature private

apache · Sep 7, 2022 · 55c8d13 · 55c8d13
1 parent 6b37258
commit 55c8d13
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/datafusion/optimizer/src/type_coercion.rs b/datafusion/optimizer/src/type_coercion.rs
@@ -117,7 +117,7 @@ impl ExprRewriter for TypeCoercionRewriter {
 /// `signature`, if possible.
 ///
 /// See the module level documentation for more detail on coercion.
-pub fn coerce_arguments_for_signature(
+fn coerce_arguments_for_signature(
     expressions: &[Expr],
     schema: &DFSchema,
     signature: &Signature,