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_with_pk
   Function greater (children 1)
    ExpressionList (children 2)
     Identifier x
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal \'2018-10-01 23:57:57\'