CreateQuery dt_overflow (children 3)
 Identifier dt_overflow
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration d (children 1)
    DataType Date
   ColumnDeclaration i (children 1)
    DataType int
 Storage definition (children 3)
  Function MergeTree
  Identifier d
  Identifier i
