User`s guide

7 Functions — Alphabetical List
7-174
isnullcolumn
Determine if last record read in resultset is NULL
Syntax
a = isnullcolumn(rset)
Description
a = isnullcolumn(rset) returns 1 if the last record read in the resultset rset is
NULL. It returns 0 otherwise.
Examples
Example 1 — Result Is Not NULL
isnullcolumn returns not null.
1
Run:
curs = fetch(curs,1);
rset = resultset(curs);
isnullcolumn(rset)
ans =
0
2
Verify this result.
curs.Data
ans =
[1400]
Example 2 — Result Is NULL
isnullcolumn returns null.