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