view optimization

src/main/resources/done.sql

@@ -1,4 +1,4 @@
-create schema done;
+/vcreate schema done;
 
 create table done.t_billing (
     lastchange timestamp without time zone default now(),
@@ -41,7 +41,7 @@ create table done.t_done (
 create table done.t_favorite (
     lastchange timestamp without time zone default now(),
     pk_favorite integer not null primary key generated always as identity,
-		fk_login integer not null references profile.t_login(pk),
+    fk_login integer not null references profile.t_login(pk),
     fk_project integer references done.t_project(pk),
     fk_module integer references done.t_module(pk),
     fk_job integer references done.t_job(pk),
@@ -73,13 +73,30 @@ create table done.t_freetime (
   unique(day, fk_login)
 );
 
-create view done.v_favorite as
-select f.pk_favorite, f.fk_login, p.name as project, m.name as module, j.name as job, b.name as billing
-from done.t_favorite f
-left join done.t_project p on p.pk = f.fk_project
-left join done.t_module m on m.pk = f.fk_module
-left join done.t_job j on j.pk = f.fk_job
-left join done.t_billing b on b.pk = f.fk_billing;
+create or replace view done.v_favorite as
+with x(fk_login, fk_project, fk_module, fk_job, fk_billing, amount) as (
+  select fk_login, fk_project, fk_module, fk_job, fk_billing, count(*)
+  from done.t_done
+  group by fk_login, fk_project, fk_module, fk_job, fk_billing
+)
+select f.pk_favorite,
+       f.fk_login,
+       p.name as project,
+       m.name as module,
+       j.name as job,
+       b.name as billing,
+       coalesce(x.amount, 0) as usage_count
+  from done.t_favorite f
+  left join done.t_project p on p.pk = f.fk_project
+  left join done.t_module  m on m.pk = f.fk_module
+  left join done.t_job     j on j.pk = f.fk_job
+  left join done.t_billing b on b.pk = f.fk_billing
+  left join x
+         on x.fk_login = f.fk_login
+        and x.fk_project is not distinct from f.fk_project
+        and x.fk_module  is not distinct from f.fk_module
+        and x.fk_job     is not distinct from f.fk_job
+        and x.fk_billing is not distinct from f.fk_billing;
 
 create view done.v_billing as
 with x(total) as (
@@ -97,11 +114,11 @@ create view done.v_done as
 select d.pk as fk_done,
        l.pk as fk_login,
        d.time_from,
-	     d.time_until,
-	     p.name as project_name,
-	     m.name as module_name,
-	     j.name as job_name,
-	     l.login
+       d.time_until,
+       p.name as project_name,
+       m.name as module_name,
+       j.name as job_name,
+       l.login
 from done.t_done d
 left join done.t_project p on p.pk = d.fk_project
 left join done.t_module m on m.pk = d.fk_module
@@ -127,8 +144,8 @@ create view done.v_daylimits as
 with x(time_from, time_until, day, fk_login) as (
   select time_from,
          coalesce(time_until::timestamp with time zone, now()) as "coalesce",
-		     to_char(time_from, 'yyyy-MM-dd'::text) as day,
-		     fk_login
+         to_char(time_from, 'yyyy-MM-dd'::text) as day,
+         fk_login
   from done.t_done
 ) select min(x.time_from) as work_start,
          max(x.time_until) as work_end,
@@ -147,11 +164,11 @@ create view done.v_eucanshare as
 select d.pk as fk_done,
        d.time_from::date as workday,
        age(d.time_until, d.time_from) as duration,
-	     p.name as project_name,
-	     m.name as module_name,
-	     j.name as job_name,
-	     b.name as billing_name,
-	     d.fk_login
+       p.name as project_name,
+       m.name as module_name,
+       j.name as job_name,
+       b.name as billing_name,
+       d.fk_login
 from done.t_done d
 left join done.t_project p on p.pk = d.fk_project
 left join done.t_module m on m.pk = d.fk_module
@@ -160,11 +177,11 @@ left join done.t_billing b on b.pk = d.fk_billing;
 
 create view done.v_hamster as
 select time_from::date as workday,
-	     age(time_until, time_from) as duration,
-	     project_name,
-	     module_name,
-	     job_name,
-	     login
+       age(time_until, time_from) as duration,
+       project_name,
+       module_name,
+       job_name,
+       login
 from done.v_done;
 
 create view done.v_hamstersummary as
@@ -304,6 +321,18 @@ with x(dayworktime, day, fk_login, required, starttime, endtime) as (
   from x
   order by day desc, fk_login;
 
+create view done.v_favorite_count as
+select f.pk_favorite,
+       f.fk_login,
+       count(d.pk) as usage_count
+from done.t_favorite f
+left join done.t_done d on d.fk_login = f.fk_login
+  and d.fk_project is not distinct from f.fk_project
+  and d.fk_module is not distinct from f.fk_module
+  and d.fk_job is not distinct from f.fk_job
+  and d.fk_billing is not distinct from f.fk_billing
+group by f.pk_favorite, f.fk_login;
+
 copy done.t_billing (lastchange, pk, name, shortcut, csskey) from stdin;
 2021-03-05 19:37:07.12832	1	WP2 (eucs) - Opal/Mica/..., REST	WP2	WP2
 2021-03-05 19:37:07.12832	2	WP4 (eucs) - Square²	WP4	WP4
@@ -414,3 +443,4 @@ grant select on done.v_worktime to timetrack;
 grant select on done.v_daylimit to timetrack;
 grant select on done.v_current_overtime to timetrack;
 grant select on done.v_day to timetrack;
+grant select on done.v_favorite_count to timetrack;

src/main/resources/public.sql

@@ -1,5 +1,5 @@
 create or replace view public.v_version as 
-select 20260114 as version;
+select 20261005 as version;
 
 grant usage on schema public to timetrack;