CreateQuery tt02006 (children 4)
 Identifier tt02006
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a (children 1)
    DataType String
   ColumnDeclaration total (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier sum
      DataType UInt64
 Storage definition (children 2)
  Function ReplicatedAggregatingMergeTree
  Identifier a
 Identifier Null
