Explain EXPLAIN PIPELINE (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 4)
    ExpressionList (children 1)
     Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function remote (children 1)
        ExpressionList (children 3)
         Literal \'127.0.0.{1,2,3}\'
         Identifier system
         Identifier numbers_mt
    ExpressionList (children 1)
     Identifier number
    Set
