On 04/26/2018 11:08 AM, Vitaliy Garnashevich wrote:
>
>> Without the query we are flying blind, so suggestions will have a ?
>
> Here is one such query:
>
> INSERT INTO cmdb_sp_usage_history
> (created_by, updated_by, created_on, updated_on, mod_count,
> summary_on, quarter, product, used_from, "user",
> keystrokes, minutes_in_use, times_started, avg_keystrokes,
> max_keystrokes, spkg_operational)
> SELECT
> 2, 2, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP, 1,
> CURRENT_TIMESTAMP, quarter.id, "spv"."product",
> "usage"."used_from", "usage"."user",
> coalesce(sum("usage"."keystrokes"), 0),
> coalesce(sum("usage"."minutes_in_use"), 0),
> coalesce(sum("usage"."times_started"), 0),
> coalesce(avg("usage"."keystrokes"), 0),
> coalesce(max("usage"."keystrokes"), 0),
> bool_or("cmdb_ci"."operational")
> FROM
> "cmdb_program_daily_usage" "usage"
> LEFT OUTER JOIN
> "cmdb_program_instance" "p" ON "p"."id" = "usage"."program_instance"
> LEFT OUTER JOIN
> "cmdb_ci_spkg" "s" ON "s"."id" = "p"."spkg"
> LEFT OUTER JOIN
> "cmdb_ci" "cmdb_ci" ON "s"."id" = "cmdb_ci"."id"
> LEFT OUTER JOIN
> "cmdb_software_product_version" "spv" ON "spv"."id" = "s"."software"
> WHERE ("usage"."minutes_in_use" > 0)
> AND ((NOT ("s"."software" IS NULL))
> AND ((NOT ("s"."os" = TRUE))
> OR ("s"."os" IS NULL)))
> AND ("usage"."usage_date" >= quarter.start_date)
> AND ("usage"."usage_date" < quarter.end_date)
> GROUP BY "spv"."product", "usage"."used_from", "usage"."user"
> HAVING (coalesce(sum("usage"."keystrokes"), 0) > 0) OR
> (coalesce(sum("usage"."minutes_in_use"), 0) > 0) OR
> (coalesce(sum("usage"."times_started"), 0) > 0)
> ORDER BY "spv"."product", "usage"."used_from", "usage"."user";
Have not worked through all of the above, but a first draft suggestion:
Move the SELECT minus the aggregation functions into a sub-query that
uses FOR UPDATE. Then do the aggregation on the results of the sub-query.
>
> Regards,
> Vitaliy
>
--
Adrian Klaver
adrian.klaver@aklaver.com
