CreateQuery td (children 3)
 Identifier td
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType Int16
   ColumnDeclaration d (children 1)
    DataType Date
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier id
