SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function jsonMergePatch (children 1)
     ExpressionList (children 2)
      Identifier s1
      Identifier s2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_json_merge
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier id
