Michael Akinde <michael.akinde@xxxxxx> 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
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
