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I have no idea what's going on. Maybe it's something to do with Nabble.
There are others pending moderation in pgsql-admin and pgsql-hackers too.
rahul143 wrote:
I have the created a C
On Sun, Dec 2, 2012 at 11:18 PM, rahul143 rk204...@gmail.com wrote:
I have the created a C-Language function (code is below). Now, I
wonder: How do I handle exceptions, for example if malloc cannot assign
the necessary memory? Do palloc and pfree handle such a case
cleanly? Should I simply
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The original message was posted in 2005!
The message here is this one (also in 2005):
http://postgresql.1045698.n5.nabble.com/GENERAL-Exception-Handling-in-C-Language-Functions-td1843896.html
I have no idea what's going on. Maybe
Tom Lane wrote:
Felix E. Klee [EMAIL PROTECTED] writes:
BTW, a more future-proof way of doing what you want:
VarChar *text = PG_GETARG_VARCHAR_P(0);
int text_len = VARSIZE(text)-VARHDRSZ;
char *tmp_text = (char *)malloc(text_len+1);
if (tmp_text == NULL)
; /* What now? */
greg landrum [EMAIL PROTECTED] writes:
Tom Lane wrote:
text = DatumGetCString(DirectFunctionCall1(varcharout, text_datum));
This form of dealing with arguments is interesting to learn about. Is
there any documentation of this stuff or do I need to dive into the source?
The original
I have the created a C-Language function (code is below). Now, I
wonder: How do I handle exceptions, for example if malloc cannot assign
the necessary memory? Do palloc and pfree handle such a case
cleanly? Should I simply use an assert?
#include postgres.h
#include string.h
#include stdlib.h
Felix E. Klee wrote:
I have the created a C-Language function (code is below). Now, I
wonder: How do I handle exceptions, for example if malloc cannot assign
the necessary memory? Do palloc and pfree handle such a case
cleanly?
Yes -- they will roll back the current transaction on if there
At Sat, 21 May 2005 20:13:13 +1000,
Neil Conway wrote:
Do palloc and pfree handle such a case cleanly?
Yes -- they will roll back the current transaction on if there is no
memory available.
Great. So I just use those.
You can catch the error via PG_TRY() in 8.0 [...]
Nice, but we're
Felix E. Klee [EMAIL PROTECTED] writes:
I have the created a C-Language function (code is below). Now, I
wonder: How do I handle exceptions, for example if malloc cannot assign
the necessary memory? Do palloc and pfree handle such a case
cleanly? Should I simply use an assert?
As a general
At Sat, 21 May 2005 10:30:47 -0400,
Tom Lane wrote:
BTW, a more future-proof way of doing what you want:
[...]
is to let the varchar output routine do it:
Datum text_datum = PG_GETARG_DATUM(0);
char *text;
text = DatumGetCString(DirectFunctionCall1(varcharout,
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