Daylight v4.9
Release Date: 1 February 2008

Name

dt_mer_zapna - delete rows with no data from a hitlist

Generic Prototype

dt_mer_zapna(dt_Handle, dt_Handle) => dt_Integer

C Prototype

#include "dt_merlin.h"

dt_Integer dt_mer_zapna(dt_Handle hitlist, dt_Handle column)

FORTRAN Prototype

include 'dt_f_merlin.inc'

integer*4 dt_f_mer_zapna(hitlist, column)

integer*4 hitlist
integer*4 column

Description

Deletes all rows from the hitlist for which there is no data in 'column'.

Return Value

Returns the length of the hitlist. For all other objects, this property is defined as -2.

Related Topics

dt_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_zapnonunique(3)