InsertQuery   (children 2)
 Identifier b_customers
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 2)
     Function multiply (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal Int64_-1
     Literal Int64_-1
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.numbers
    Literal UInt64_2
