Multiline comments in bash
:<<MULTILINECOMMENT
echo "foo"
echo "bar"
this="variable"
MULTILINECOMMENT
echo "foo"
echo "bar"
this="variable"
MULTILINECOMMENT
Show running queries on Postgresql/Greenplum
I've got some queries that run for a long time. Sometimes longer than others. I wanted to see how long active queries have been running. Here's a view to consistently do that: CREATE VIEW public.view_activequeries AS ( SELECT age(query_start, backend_start) AS queryage,* FROM pg_stat_activity WHERE current_query NOT LIKE '%IDLE%' ORDER BY queryage DESC); Then you just run: select * from public.view_activequeries; You get a list of all active queries in descending order of how long they have been running, i.e. longest running queries listed first.
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