Dear Sir/Madam
I got an error when I execute the following select sentence.
Would you please solve the problem for me?
Thank you .
Alan Fu.
postgres=# \set VERBOSITY verbose
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
