CreateQuery video_log_result__fuzz_0 (children 3)
 Identifier video_log_result__fuzz_0
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration hour (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType DateTime
   ColumnDeclaration sum_bytes (children 1)
    DataType UInt64
   ColumnDeclaration avg_duration (children 1)
    DataType Float64
 Storage definition (children 4)
  Function MergeTree
  Function toDate (children 1)
   ExpressionList (children 1)
    Identifier hour
  Identifier sum_bytes
  Set