| Lists: | pgsql-bugs |
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| From: | PG Bug reporting form <noreply(at)postgresql(dot)org> |
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| To: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Cc: | fuzk80_76(at)163(dot)com |
| Subject: | BUG #15691: ERROR: XX000: cannot update SecondarySnapshot during a parallel operation |
| Date: | 2019-03-13 07:23:03 |
| Message-ID: | 15691-62c4e860b7120958@postgresql.org |
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| Lists: | pgsql-bugs |
The following bug has been logged on the website:
Bug reference: 15691
Logged by: zhongkuan fu
Email address: fuzk80_76(at)163(dot)com
PostgreSQL version: 10.3
Operating system: Centos linux 7.4.1708
Description:
I cannot execute the following select sentence and got an error.
postgres=# SELECT
round(cast(coalesce(sum(ST_length(geography(geometry)))/1000,0) as
NUMERIC),4)||'KM' field_value from had_link;
ERROR: XX000: cannot update SecondarySnapshot during a parallel operation
CONTEXT: SQL statement "SELECT proj4text FROM public.spatial_ref_sys WHERE
srid = 4326 LIMIT 1"
parallel worker
LOCATION: GetLatestSnapshot, snapmgr.c:387
| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | fuzk80_76(at)163(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #15691: ERROR: XX000: cannot update SecondarySnapshot during a parallel operation |
| Date: | 2019-03-13 13:54:55 |
| Message-ID: | 20190313135455.GA13993@alvherre.pgsql |
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| Lists: | pgsql-bugs |
On 2019-Mar-13, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference: 15691
> Logged by: zhongkuan fu
> Email address: fuzk80_76(at)163(dot)com
> PostgreSQL version: 10.3
> Operating system: Centos linux 7.4.1708
> Description:
>
> I cannot execute the following select sentence and got an error.
>
> postgres=# SELECT
> round(cast(coalesce(sum(ST_length(geography(geometry)))/1000,0) as
> NUMERIC),4)||'KM' field_value from had_link;
>
> ERROR: XX000: cannot update SecondarySnapshot during a parallel operation
> CONTEXT: SQL statement "SELECT proj4text FROM public.spatial_ref_sys WHERE
> srid = 4326 LIMIT 1"
> parallel worker
> LOCATION: GetLatestSnapshot, snapmgr.c:387
Sounds like a function is marked parallel-safe that shouldn't.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services