CreateQuery tp (children 3)
 Identifier tp
 Columns definition (children 2)
  ExpressionList (children 2)
   ColumnDeclaration type (children 1)
    DataType Int32
   ColumnDeclaration eventcnt (children 1)
    DataType UInt64
  ExpressionList (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 3)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier eventcnt
      Identifier type
     ExpressionList (children 1)
      Identifier type
     Function sum (children 1)
      ExpressionList (children 1)
       Identifier eventcnt
 Storage definition (children 2)
  Function MergeTree
  Identifier type
