Re: Setting a field to default if blank value
От | Dennis Gearon |
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Тема | Re: Setting a field to default if blank value |
Дата | |
Msg-id | 3EAD71AA.5090505@cvc.net обсуждение исходный текст |
Ответ на | Re: Setting a field to default if blank value ("Robert Fitzpatrick" <robert@webtent.com>) |
Список | pgsql-general |
just put '' in the insert statement, it will be a blank field, no big deal. Robert Fitzpatrick wrote: >>Robert Fitzpatrick wrote: >> >>>Looking for the best way of handling this, would like to do >> >>it in the >> >>>database and not in my apps. I set a field to 'Not Null', but if a >>>blank value comes in, the field will accept it as just >> >>that, a blank >> >>>string. How can avoid this using a trigger or function? I thought >>>about a function that would check the field and then place >> >>a trigger, >> >>>but that gets to be a lot of functions and triggers for different >>>fields. Is there a way to pass a field name to the function? (in >>>plpgsql) >>> >>>Or what is the best way to handle this for many different fields in >>>many tables? > > >>If you mean blank like '', then if the field is a string, it >>would be normal behavior as is. >> > > > Yes, they are strings (varchar). Know the best way to handle it? > > -- > Robert > > >
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