Release Date: 1 February 2008
Namedt_mer_zapnonunique - delete redundant rows from a hitlist
Generic Prototypedt_mer_zapnonunique(dt_Handle, dt_Handle) => dt_Integer
C Prototype#include "dt_merlin.h"
dt_Integer dt_mer_zapnonunique(dt_Handle hitlist, dt_Handle column)
FORTRAN Prototypeinclude 'dt_f_merlin.inc'
integer*4 dt_f_mer_zapnonunique(hitlist, column)
DescriptionDeletes all rows from the hitlist for which the data in 'column' has the same value as the previous row in the hitlist.
Return ValueReturns the length of the hitlist. For all other objects, this property is defined as -2.
Related Topicsdt_mer_alloc_hitlist(3) dt_mer_clear(3) dt_mer_combinehitlists(3) dt_mer_hit2id(3) dt_mer_id2hit(3) dt_mer_invert(3) dt_mer_length(3) dt_mer_mvbottom(3) dt_mer_mvtop(3) dt_mer_native(3) dt_mer_reset(3) dt_mer_reverse(3) dt_mer_sethits(3) dt_mer_zapabove(3) dt_mer_zapbelow(3) dt_mer_zapna(3)