CreateQuery transform_null_in (children 3)
 Identifier transform_null_in
 Columns definition (children 2)
  ExpressionList (children 2)
   ColumnDeclaration x (children 1)
    DataType UInt32
   ColumnDeclaration y (children 1)
    DataType UInt64
  ExpressionList (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 1)
     ExpressionList (children 1)
      Function sum (children 1)
       ExpressionList (children 1)
        Function in (children 1)
         ExpressionList (children 2)
          Identifier y
          Literal Tuple_(UInt64_1, UInt64_2, UInt64_3)
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
