CreateQuery test_smt (children 3)
 Identifier test_smt
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration sMap (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier sumMap
      DataType Tuple (children 1)
       ExpressionList (children 2)
        DataType Array (children 1)
         ExpressionList (children 1)
          DataType UInt8
        DataType Array (children 1)
         ExpressionList (children 1)
          DataType Int64
   ColumnDeclaration aMap (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier sumMap
      DataType Tuple (children 1)
       ExpressionList (children 2)
        DataType Array (children 1)
         ExpressionList (children 1)
          DataType UInt8
        DataType Array (children 1)
         ExpressionList (children 1)
          DataType Int64
 Storage definition (children 3)
  Function SummingMergeTree
  Function tuple (children 1)
   ExpressionList
  Identifier id
