Re: BUG #7756: When upgrading postgis extension get row is too big: size 9272, maximum size 8160

Hi,

On 2012-12-17 10:06:53 -0500, Paragon Corporation wrote:
> Andres,
> Sorry not sure why I didn't think of that.
>
> The more descriptive error it gives in logs is:
>
> 2012-12-17 09:15:10 EST LOG: statement:
> SET log_error_verbosity = 'verbose';
> 2012-12-17 09:15:13 EST LOG: 00000: statement: ALTER EXTENSION postgis
> UPDATE TO "2.1.0SVN";
> 2012-12-17 09:15:13 EST LOCATION: exec_simple_query,
> src\backend\tcop\postgres.c:888
> 2012-12-17 09:15:15 EST ERROR: 54000: row is too big: size 9272, maximum
> size 8160
> 2012-12-17 09:15:15 EST LOCATION: RelationGetBufferForTuple,
> src\backend\access\heap\hio.c:241
>
> This is running 9.2.2 64-bit on windows 2008.
>
> I'll look at that section to see what it could be tripping it up. But if
> anyone has any ideas if this is a real bug or a "Regina is doing something
> stupid" problem, that would be helpful too.

Unfortunately that doesn't tell us very much. Could you get a backtrace
for that? I don't really see which table should receive such large
tuples...

# SELECT pg_backend_pid();
> 3493

$ gdb -p 3493
(gdb) b hio.c:24
(gdb) c
....

# ALTER EXTENSION postgis UPDATE TO "2.1.0SVN";
(gdb) bt full

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services