BREAKING! Use FunctionSignature in AlterProcedureStmt

Author: nene

src/cst/Procedure.ts

@@ -63,8 +63,7 @@ export interface AlterProcedureStmt extends BaseNode {
   type: "alter_procedure_stmt";
   alterKw: Keyword<"ALTER">;
   procedureKw: Keyword<"PROCEDURE">;
-  name: EntityName;
-  params?: ParenExpr<ListExpr<FunctionParam>>;
+  signature: FunctionSignature;
   actions: (AlterFunctionAction | AlterProcedureClause)[];
   behaviorKw?: Keyword<"RESTRICT">;
 }

src/parser.pegjs

@@ -4169,16 +4169,14 @@ drop_procedure_stmt
 
 alter_procedure_stmt
   = kw:(ALTER __) procKw:(PROCEDURE __)
-    name:entity_name
-    params:(__ (paren$list$func_param / paren$empty_list))?
+    signature:procedure_signature
     actions:(__ alter_procedure_action)+
     behaviorKw:(__ RESTRICT)? {
       return loc({
         type: "alter_procedure_stmt",
         alterKw: read(kw),
         procedureKw: read(procKw),
-        name,
-        params: read(params),
+        signature,
         actions: actions.map(read),
         behaviorKw: read(behaviorKw),
       });

src/showNode/procedure.ts

@@ -25,8 +25,7 @@ export const procedureMap: FullTransformMap<string, AllProcedureNodes> = {
     show([
       node.alterKw,
       node.procedureKw,
-      node.name,
-      node.params,
+      node.signature,
       node.actions,
       node.behaviorKw,
     ]),