Re: [NOVICE] a couple of newbie question
От | D. Duccini |
---|---|
Тема | Re: [NOVICE] a couple of newbie question |
Дата | |
Msg-id | Pine.GSO.3.96.1000416141605.6243A-100000@ra.bpsi.net обсуждение исходный текст |
Ответ на | a couple of newbie question (Matthew Denny <mdenny@CS.Berkeley.EDU>) |
Список | pgsql-interfaces |
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 > ----------------------------------------------------------------------------- david@backpack.com BackPack Software, Inc. www.backpack.com +1 651.645.7550 voice "Life is an Adventure. +1 651.645.9798 fax Don't forget your BackPack!" -----------------------------------------------------------------------------
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