fix(postgresql): change func_application to add column_name and paren (#359)

* fix(postgresql): change func_application to add column_name and ()

* fix(postgresql): add column_name into func_arg_expr

Author: LuckyFBB

src/grammar/postgresql/PostgreSqlParser.g4

@@ -2423,15 +2423,12 @@ primaryExpression
     ;
 
 func_application
-    : function_name (
-        OPEN_PAREN (
-            func_arg_list (COMMA KW_VARIADIC func_arg_expr)? sort_clause?
-            | KW_VARIADIC func_arg_expr sort_clause?
-            | (KW_ALL | KW_DISTINCT) func_arg_list sort_clause?
-            | STAR
-            |
-        ) CLOSE_PAREN
-    )?
+    : function_name OPEN_PAREN (
+        func_arg_list (COMMA KW_VARIADIC func_arg_expr)? sort_clause?
+        | KW_VARIADIC func_arg_expr sort_clause?
+        | (KW_ALL | KW_DISTINCT) func_arg_list sort_clause?
+        | STAR
+    )? CLOSE_PAREN
     ;
 
 func_expr
@@ -2599,7 +2596,8 @@ func_arg_list
     ;
 
 func_arg_expr
-    : expression
+    : column_name
+    | expression
     | type_function_name (COLON_EQUALS | EQUALS_GREATER) expression
     ;