Hello,
CLOB/BLOB columns can be NULL, if created without NOT NULL constraint... (tested with dbaccess/SQL)
But in ESQL/C, how do you specify/check that an ifx_lo_t is NULL?
I mean something equivalent to ifx_loc_t member loc_indicator set to -1 (null) or 0 (not null)
Is this just something that ifx_lo_t implementors have overlooked?
I assume we should be able to use some APIs like:
int ifx_lo_setnull( ifx_lo_t * lo, 1/0);
int ifx_lo_isnull( ifx_lo_t * lo, int &isnull);
or did I miss something?
Thanks
Seb
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SEBASTIEN SF FLAESCH
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#Informix