CreateQuery with_overflow (children 3)
 Identifier with_overflow
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration s (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier sumWithOverflow
      DataType UInt8
 Storage definition (children 2)
  Function AggregatingMergeTree
  Identifier id