You insert it by NOT inserting it.
insert into test_table (col_x, col_y) values (:x, :y);
you basically omit any column you do not want to insert values for
-duck
On Sun, 16 Apr 2000, Matthew Denny wrote:
>
> I know this question is probably fairly elementary, but I could not
> find the answer in the docs or mailing list archives. How does one handle
> NULL values in the embedded SQL interface? For example, if I have a
> statement:
>
> exec sql insert into test_table values(:foo, :x, :y)
>
> and foo represents a CHAR attribute (represented by a string in C) that I
> want to set to NULL, how do I go about doing this? Similarly, how do
> I tell that a value put into a variable by a fetch call is NULL or
> not?
>
> On a different note, is there any list of error codes for the actual
> postgreSQL errors, or is the only thing a user can get back is the
> text message in sqlca.sqlerrm.sqlerrmc (e.g. no associated error #)?
>
> Any help would be greatly appreciated.
>
> thanks,
> Matt
>
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