On Mon, Jul 27, 2015 at 2:53 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> I am trying to run parallel execution
>
> psql -At -c "select datname from pg_database" postgres | xargs -n 1 -P 3
> psql -c "select current_database()"
Put this in a shell script called run-psql:
#!/bin/bash
test $# = 0 && exit
for f in "${@:1:$(($#-1))}"; do echo "$f" \;
done | psql "${@:$#}"
Then:
psql -At -c "select datname from pg_database" postgres | xargs -n 1 -P
3 ./run-psql "select current_database()" "vacuum" "select 1"
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company