Daylight v4.9
Release Date: 1 February 2008


dt_tag - return the datatype tag of an object

Generic Prototype

dt_tag(dt_Handle) => dt_String

C Prototype

#include "dt_thor.h"

dt_String dt_tag(dt_Integer *len, dt_Handle object)

FORTRAN Prototype

include ''

integer*4 dt_f_tag(object, string)

integer*4 object
character*() string


Finds the internal datatype tag of the object. 'object' may be datatypes or fieldtypes (THOR) and columns or fieldtypes (Merlin).

Return Value

Returns the tag as a string. For objects other than datatypes, fieldtypes, and columns, the tag is defined as the 'invalid string'.

Related Topics

dt_briefname(3) dt_comments(3) dt_datatype(3) dt_description(3) dt_dfnorm(3) dt_dfnormdata(3) dt_fieldtype(3) dt_getdatatype(3) dt_membership(3) dt_owner(3) dt_summary(3)