CreateQuery monthly_aggregated_data (children 3)
 Identifier monthly_aggregated_data
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration domain_name (children 1)
    DataType String
   ColumnDeclaration month (children 1)
    DataType Date
   ColumnDeclaration sumCountViews (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier sum
      DataType UInt64
 Storage definition (children 2)
  Function AggregatingMergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier domain_name
    Identifier month
