From: | Richard Huxton <dev(at)archonet(dot)com> |
---|---|
To: | Postgres User <postgres(dot)developer(at)gmail(dot)com> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Using Insert - Default in a condition expression ?? |
Date: | 2009-09-29 08:34:19 |
Message-ID: | 4AC1C68B.4030407@archonet.com |
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Thread: | |
Lists: | pgsql-general |
Postgres User wrote:
>>> I'm trying to write an INSERT INTO statement that will use a DEFAULT
>>> value when an input parameter is null.
>>>
>> Neither of my 2 methods are pretty.
>> 1) Use a trigger.
>> 2) Grab and cast the default value from the information_schema.columns
>> view and plug it in.
>>
>> Another option is to build your insert sql as a string and then execute it.
>>
>
> Thanks... those approaches came to mind. But I need something more
> flexible as the Insert functions are generated by an ORM layer. It
> has to be simpler.
You're not going to get anything simpler than building a string and
calling execute. Nor more flexible, come to think of it.
BTW - surely the ORM should be generating your defaults for you?
--
Richard Huxton
Archonet Ltd
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