Hello hackers and postgressers,
I am aware of 2 ways to select a random row from a table:
1) select * from table_name order by random() limit 1;
-- terribly inefficient
2) select * from table_name tablesample system_rows(1) limit 1;
-- only works on tables, not views or s
On 01/27/2018 04:34 PM, support-tiger wrote:
sorry for delay but ran some tests on older version pg gem - still fails
With what error message?
What Ruby gem?
it fails on building the config file with simply missing libpq-fe.h,
cannot find libpq-fe.h
Well it is there:
rpm -qlp postgresql
sorry for delay but ran some tests on older version pg gem - still fails
it fails on building the config file with simply missing libpq-fe.h,
cannot find libpq-fe.h
I suspect it is a problem with using the pgdg repository and that
postgresql get "10" added to them ie postgresql10-devel and m