From: | Martin Stöcker <martin(dot)stoecker(at)stb-datenservice(dot)de> |
---|---|
To: | pgsql-sql(at)lists(dot)postgresql(dot)org |
Subject: | Re: Query question |
Date: | 2018-03-08 19:07:30 |
Message-ID: | e22d829f-77f2-86c9-e89d-6885bc1fc56d@stb-datenservice.de |
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Thread: | |
Lists: | pgsql-sql |
My first idea is to select all equipments and lateral join them to the 5
most recent events
Regards Martin
Am 08.03.2018 um 19:58 schrieb Stanton Schmidt:
> Hi,
> I am new to the list so feel free to let me know if I am out of line.
>
> My question is:
> I have a table that has log events for pieces of equipment. For each
> piece of equipment this table may contain 1 or more (hundreds
> potentially).
> I need to write a query that will return only the last 5 log events
> for each (and every) piece of equipment.
>
> log_table (
> equipment_id character(30),
> log_date date,
> log_time time,
> event_desc text
> )
>
> Thanks for your help.
>
> *stanton schmidt*
> *Database Administrator*
> direct. 920. <callto:920.884.1281>471.4495 cell 920.660.1828
>
> RGL
> GO AHEAD.ASKWHAT IF.
> www.RGLlogistics.co m <http://www.rgllogistics.com/>
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