CreateQuery tp (children 3)
 Identifier tp
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration d1 (children 1)
    DataType Int32
   ColumnDeclaration d2 (children 1)
    DataType Int32
   ColumnDeclaration eventcnt (children 1)
    DataType Int64
  ExpressionList (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 1)
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier eventcnt
     ExpressionList (children 1)
      Identifier d1
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier d1
    Identifier d2
