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Recursive query - ERROR: invalid memory alloc request size 1073741824 4+ messages / 4 participants [nested] [flat]
* Recursive query - ERROR: invalid memory alloc request size 1073741824 @ 2022-05-07 13:23 Shaozhong SHI <[email protected]> 0 siblings, 3 replies; 4+ messages in thread From: Shaozhong SHI @ 2022-05-07 13:23 UTC (permalink / raw) To: pgsql-sql <[email protected]> There is a loop of recursive query. It runs at a point where it stops. This error turned up.- ERROR: invalid memory alloc request size 1073741824 Can anyone provide pointers how to solve this problem or work around? Regards, David ^ permalink raw reply [nested|flat] 4+ messages in thread
* Re: Recursive query - ERROR: invalid memory alloc request size 1073741824 @ 2022-05-07 13:53 Rob Sargent <[email protected]> parent: Shaozhong SHI <[email protected]> 2 siblings, 0 replies; 4+ messages in thread From: Rob Sargent @ 2022-05-07 13:53 UTC (permalink / raw) To: [email protected] On 5/7/22 07:23, Shaozhong SHI wrote: > There is a loop of recursive query. It runs at a point where it stops. > > This error turned up.- ERROR: invalid memory alloc request size > 1,073,741,824 > > Can anyone provide pointers how to solve this problem or work around? > > Regards, > > David Quite difficult without any code snippet (or even which language) but you've requested a single block of memory that is larger than the maximum allowed. That number (1,073,741,824) is 2^30 . ^ permalink raw reply [nested|flat] 4+ messages in thread
* Re: Recursive query - ERROR: invalid memory alloc request size 1073741824 @ 2022-05-07 15:19 Tom Lane <[email protected]> parent: Shaozhong SHI <[email protected]> 2 siblings, 0 replies; 4+ messages in thread From: Tom Lane @ 2022-05-07 15:19 UTC (permalink / raw) To: Shaozhong SHI <[email protected]>; +Cc: pgsql-sql <[email protected]> Shaozhong SHI <[email protected]> writes: > There is a loop of recursive query. It runs at a point where it stops. > This error turned up.- ERROR: invalid memory alloc request size 1073741824 Might be a bug, but with no details it's impossible to tell. https://wiki.postgresql.org/wiki/Guide_to_reporting_problems regards, tom lane ^ permalink raw reply [nested|flat] 4+ messages in thread
* Re: Recursive query - ERROR: invalid memory alloc request size 1073741824 @ 2022-05-08 19:15 Simon Riggs <[email protected]> parent: Shaozhong SHI <[email protected]> 2 siblings, 0 replies; 4+ messages in thread From: Simon Riggs @ 2022-05-08 19:15 UTC (permalink / raw) To: Shaozhong SHI <[email protected]>; +Cc: pgsql-sql <[email protected]> On Sat, 7 May 2022 at 14:24, Shaozhong SHI <[email protected]> wrote: > > There is a loop of recursive query. It runs at a point where it stops. > > This error turned up.- ERROR: invalid memory alloc request size 1073741824 > > Can anyone provide pointers how to solve this problem or work around? For both recursive and non-recursive queries its possible to write a query with mistakes in it that will run for a long time or run out of resources. Find the mistakes in your query by simplifying it. -- Simon Riggs http://www.EnterpriseDB.com/ ^ permalink raw reply [nested|flat] 4+ messages in thread
end of thread, other threads:[~2022-05-08 19:15 UTC | newest] Thread overview: 4+ messages (download: mbox mbox.gz follow: Atom feed) -- links below jump to the message on this page -- 2022-05-07 13:23 Recursive query - ERROR: invalid memory alloc request size 1073741824 Shaozhong SHI <[email protected]> 2022-05-07 13:53 ` Rob Sargent <[email protected]> 2022-05-07 15:19 ` Tom Lane <[email protected]> 2022-05-08 19:15 ` Simon Riggs <[email protected]>
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