CreateQuery column_size_bug (children 3)
 Identifier column_size_bug
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration date_time (children 1)
    DataType DateTime
   ColumnDeclaration value (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier sum
      DataType UInt64
 Storage definition (children 4)
  Function AggregatingMergeTree
  Function toStartOfInterval (children 1)
   ExpressionList (children 2)
    Identifier date_time
    Function toIntervalDay (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
  Identifier date_time
  Set
