SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function dateTrunc (alias result) (children 1)
     ExpressionList (children 2)
      Literal \'month\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'2020-10-10\'
        Literal \'Date32\'
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier result
