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Add some statistic-reporting views
This commit is contained in:
Hubert depesz Lubaczewski
parent
e289a74ccb
commit
e9820912a4
100
sql/patch-008.sql
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100
sql/patch-008.sql
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@ -0,0 +1,100 @@
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BEGIN;
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SET search_path = public, pg_catalog;
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DROP VIEW IF EXISTS public.time_for_10000;
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DROP VIEW IF EXISTS public.namespace_usage;
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DROP VIEW IF EXISTS public.growth_estimate;
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DROP VIEW IF EXISTS public.by_month;
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CREATE VIEW by_month AS
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WITH sums_by_month AS (
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SELECT to_char(plans.entered_on, 'YYYY-MM'::text) AS month,
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count(*) AS "all",
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count(NULLIF(plans.is_public, false)) AS public,
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count(NULLIF(plans.is_public, true)) AS private,
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count(NULLIF(plans.is_anonymized, false)) AS anonymized,
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count(NULLIF(plans.is_deleted, false)) AS deleted,
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(((count(*))::double precision / (count(DISTINCT (plans.entered_on)::date))::double precision))::numeric(10,1) AS avg_per_day
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FROM plans
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GROUP BY (to_char(plans.entered_on, 'YYYY-MM'::text))
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)
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SELECT sums_by_month.month,
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sums_by_month."all",
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sums_by_month.public,
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sums_by_month.private,
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sums_by_month.anonymized,
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sums_by_month.avg_per_day,
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sum(sums_by_month."all") OVER (ORDER BY sums_by_month.month) AS total,
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sum(sums_by_month.public) OVER (ORDER BY sums_by_month.month) AS total_public,
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sum(sums_by_month.private) OVER (ORDER BY sums_by_month.month) AS total_private,
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sum(sums_by_month.anonymized) OVER (ORDER BY sums_by_month.month) AS total_anonymized,
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sum(sums_by_month.deleted) OVER (ORDER BY sums_by_month.month) AS total_deleted
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FROM sums_by_month
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ORDER BY sums_by_month.month;
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CREATE VIEW growth_estimate AS
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WITH base_info AS (
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SELECT count(*) AS all_count,
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count(*) FILTER (WHERE (plans.entered_on > (now() - '7 days'::interval))) AS count_7d,
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count(*) FILTER (WHERE (plans.entered_on > (now() - '30 days'::interval))) AS count_30d,
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count(*) FILTER (WHERE (plans.entered_on > (now() - '365 days'::interval))) AS count_365d,
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floor(log((count(*))::double precision)) AS all_count_log
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FROM plans
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), with_targets AS (
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SELECT base_info.all_count,
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base_info.count_7d,
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base_info.count_30d,
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base_info.count_365d,
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base_info.all_count_log,
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((10)::double precision ^ ((1)::double precision + base_info.all_count_log)) AS target_high,
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(((1)::double precision + floor(((base_info.all_count)::double precision / ((10)::double precision ^ base_info.all_count_log)))) * ((10)::double precision ^ base_info.all_count_log)) AS target_low
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FROM base_info
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)
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SELECT with_targets.target_low AS target,
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date_part('day'::text, (((with_targets.target_low - (with_targets.all_count)::double precision) / (with_targets.count_7d)::double precision) * '7 days'::interval)) AS estimate_7d,
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((now() + (((with_targets.target_low - (with_targets.all_count)::double precision) / (with_targets.count_7d)::double precision) * '7 days'::interval)))::timestamp(0) with time zone AS eta_7d,
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date_part('day'::text, (((with_targets.target_low - (with_targets.all_count)::double precision) / (with_targets.count_30d)::double precision) * '30 days'::interval)) AS estimate_30d,
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((now() + (((with_targets.target_low - (with_targets.all_count)::double precision) / (with_targets.count_30d)::double precision) * '30 days'::interval)))::timestamp(0) with time zone AS eta_30d,
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date_part('day'::text, (((with_targets.target_low - (with_targets.all_count)::double precision) / (with_targets.count_365d)::double precision) * '365 days'::interval)) AS estimate_365d,
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((now() + (((with_targets.target_low - (with_targets.all_count)::double precision) / (with_targets.count_365d)::double precision) * '365 days'::interval)))::timestamp(0) with time zone AS eta_365d
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FROM with_targets
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UNION ALL
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SELECT with_targets.target_high AS target,
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date_part('day'::text, (((with_targets.target_high - (with_targets.all_count)::double precision) / (with_targets.count_7d)::double precision) * '7 days'::interval)) AS estimate_7d,
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((now() + (((with_targets.target_high - (with_targets.all_count)::double precision) / (with_targets.count_7d)::double precision) * '7 days'::interval)))::timestamp(0) with time zone AS eta_7d,
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date_part('day'::text, (((with_targets.target_high - (with_targets.all_count)::double precision) / (with_targets.count_30d)::double precision) * '30 days'::interval)) AS estimate_30d,
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((now() + (((with_targets.target_high - (with_targets.all_count)::double precision) / (with_targets.count_30d)::double precision) * '30 days'::interval)))::timestamp(0) with time zone AS eta_30d,
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date_part('day'::text, (((with_targets.target_high - (with_targets.all_count)::double precision) / (with_targets.count_365d)::double precision) * '365 days'::interval)) AS estimate_365d,
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((now() + (((with_targets.target_high - (with_targets.all_count)::double precision) / (with_targets.count_365d)::double precision) * '365 days'::interval)))::timestamp(0) with time zone AS eta_365d
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FROM with_targets;
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CREATE VIEW namespace_usage AS
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SELECT length(plans.id) AS length,
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count(*) AS count,
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((((100 * count(*)))::double precision / ((62)::double precision ^ (length(plans.id))::double precision)))::numeric(12,9) AS filled_percent,
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((62)::double precision ^ (length(plans.id))::double precision) AS namespace_size
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FROM plans
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GROUP BY (length(plans.id))
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ORDER BY (length(plans.id));
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CREATE VIEW time_for_10000 AS
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WITH numbered AS (
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SELECT plans.entered_on,
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row_number() OVER (ORDER BY plans.entered_on) - 1 AS number,
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( (row_number() OVER (ORDER BY plans.entered_on) - 1 ) / 10000) AS range_number
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FROM plans
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), times AS (
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SELECT format('%s - %s'::text, min(numbered.number) + 1, max(numbered.number) + 1) AS range,
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(max(numbered.entered_on) - min(numbered.entered_on)) AS time_for_10000,
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count(*) as plan_count,
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numbered.range_number
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FROM numbered
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GROUP BY numbered.range_number
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)
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SELECT times.range,
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times.time_for_10000,
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times.plan_count,
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(((100)::double precision * (date_part('epoch'::text, times.time_for_10000) / date_part('epoch'::text, lag(times.time_for_10000) OVER (ORDER BY times.range_number)))))::numeric(5,2) AS percent_of_previous_10k
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FROM times
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ORDER BY times.range_number;
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COMMIT;
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