CreateQuery hourly_data (children 3)
 Identifier hourly_data
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration domain_name (children 1)
    DataType String
   ColumnDeclaration event_time (children 1)
    DataType DateTime
   ColumnDeclaration count_views (children 1)
    DataType UInt64
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier domain_name
    Identifier event_time
