SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function COUNT (children 1)
     ExpressionList (children 1)
      Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier mt_without_pk
   Function greater (children 1)
    ExpressionList (children 2)
     Identifier x
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal \'2018-10-01 23:57:57\'