From: | Michael Akinde <michael(dot)akinde(at)met(dot)no> |
---|---|
To: | |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Getting char * from timestamp in a composite type |
Date: | 2007-12-20 08:08:25 |
Message-ID: | 476A22F9.3030204@met.no |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
Thanks, though that was an error caused by my attempt to copy-paste some
readable example of code from the source file.
Matching the correct _out functions in the DirectFunctionCall fixed the
segmentation fault problems I was seeing.
Regards,
Michael A.
Tom Lane wrote:
> Michael Akinde <michael(dot)akinde(at)met(dot)no> writes:
>
>>>> bool isNull;
>>>> HeapTupleHeader t = DatumGetHeapTupleHeader(row);
>>>> Datum var = GetAttributeByName( row, "time", & isNull );
>>>> // Check for null
>>>> char * ret = DatumGetCString( DirectFunctionCall1(textout, var ) );
>>>>
>>> That's not going to work. textout wants a text datum. Try calling
>>> timestamp_out instead..
>>>
>> Sigh... it's always the idiot bugs that are the hardest to see. Thanks a
>> lot.
>>
>
> The other problem is that you're passing row not t to
> GetAttributeByName. If you don't have your compiler configured to bleat
> about type mismatches like that, your days of C programming will be
> bleak and painful.
>
> regards, tom lane
>
Attachment | Content-Type | Size |
---|---|---|
michael.akinde.vcf | text/x-vcard | 287 bytes |
From | Date | Subject | |
---|---|---|---|
Next Message | Richard Huxton | 2007-12-20 08:27:35 | Re: Trouble running PostgreSQL server / Server must be started under certain locale. |
Previous Message | Tom Lane | 2007-12-20 07:12:18 | Re: Way to avoid expensive Recheck Cond in index lookup? |