| From: | Philip Semanchuk <philip(at)americanefficient(dot)com> |
|---|---|
| To: | Jayadevan M <maymala(dot)jayadevan(at)gmail(dot)com> |
| Cc: | "Myklebust, Bjørn Magnar" <Bjorn(dot)Myklebust(at)skatteetaten(dot)no>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: How to check if a materialised view is being updated? |
| Date: | 2021-01-19 13:40:03 |
| Message-ID: | 21D0846C-032D-4469-B8FF-39EC4368D6DE@americanefficient.com |
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| Lists: | pgsql-general |
> On Jan 19, 2021, at 6:33 AM, Jayadevan M <maymala(dot)jayadevan(at)gmail(dot)com> wrote:
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> So I’m looking for a way to identify if the refresh process is finished or if it’s still running - preferably without having to wait for timeout by querying a locked materialized view. But by e.g. using the system tables or otherwise.
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> Can anybody suggest some pointers on how to do this?
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> Maybe pg_stat_activity will have the refresh query?
Yes, pg_stat_activity has a query column that could be searched with the regular string matching tools, including regex if necessary. pg_stat_activity also has some other useful columns that, like query_start which can tell you how long the query has been running.
Cheers
Philip
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