finish sql

egeland/sql/Script.sql

@@ -1,165 +1,3 @@
-drop table if exists clients_initial_timestamps;
-
-
-create temporary table clients_initial_timestamps as
-select
-	entity_id,
-	created_at as init_time
-FROM
-	(SELECT 
-		entity_id,
-		created_at,
-		row_number() over by_users as place
-	from 
-		db1.test.chat_messages cm 
-	where created_by = 0
-	window by_users as 
-		(partition by entity_id, created_by order by created_at)) t1
-where t1.place = 1;
-
-select * from clients_initial_timestamps;
-
-drop table if exists managers_response_timestamps;
-create temporary table managers_response_timestamps as
-select 
-	entity_id,
-	created_by as mop_id,
-	created_at as responce_time
-from 
-	(SELECT 
-		entity_id,
-		created_by,
-		created_at,
-		row_number() over by_users as place
-	from 
-		db1.test.chat_messages cm 
-	where created_by <> 0
-	window by_users as 
-		(partition by entity_id, created_by order by created_at)) t1
-where 
-	t1.place = 1;
-	
-select * from managers_response_timestamps;	
-	
-	
-select 
-	*,
-	mrt.responce_time - cit.init_time as delta
-from 
-	clients_initial_timestamps as cit
-	join 
-	managers_response_timestamps as mrt
-	on cit.entity_id = mrt.entity_id;
-
-select 
-	entity_id,
-	count(*) as cnt
-from 
-	db1.test.chat_messages cm
-group by entity_id 
-order by cnt desc
-
-select	
-	created_by,
-	created_at,
-	rank() over(order by created_by) as dr
-from 
-	db1.test.chat_messages cm 	
-where entity_id = 36541651
-order by created_at 
-	
-	
-select
-	*,
-	row_number() over(partition by entity_id order by created_at)
-from 
-	chat_messages cm 
-
-	
-	
-	
-	
-	
-select
-	type,
-	entity_id,
-	created_by,
-	created_at,
-	created_at - lag(created_at) over(partition by entity_id, type order by created_at) as prev_msg_time,
-	rank() over(partition by entity_id, type order by created_at) as nm
-from 
-	chat_messages cm
-where 
-	entity_id = 37548545
-order by created_at 
-offset 1;
-
-with tmp as
-(select 
-	created_by,
-	created_at,
-	created_by = lag(created_by) over(order by created_at) as test
-from
-	chat_messages cm 
-where 
-	entity_id = 37548545
-order by created_at)
-select 
-	*
-from tmp
-where tmp.test = false or tmp.test is null
-
-
-select 
-	entity_id,
-	created_at,
-	created_by,
-	created_by = lag(created_by) over(partition by entity_id order by created_at) as tmp
-from 
-	chat_messages cm 
-order by created_at 
-
--- result
-with tmp as
-(select 
-	*,
-	created_at - lag(created_at) over(order by created_at) as diff
-from 
-	chat_messages cm 
-)
-select 
---	*
-	tmp.created_by,
-	avg(diff)
-from 
-	tmp
-where 
-	tmp.diff is not null 
-	and
-	tmp.created_by <> 0
-group by tmp.created_by	
-	
-	
-	
-select 
-	created_by,
-	extract(day from cast(to_timestamp(created_at) as date)) as time_casted,
-	avg(cast(to_timestamp(created_at) as time)) over() as test
-from 
-	chat_messages cm 
-	
-	
-select cast(to_timestamp(1729931470) as time)
-	
-select greatest(cast(to_timestamp(1729931470) as time),
-		'12:00:00') as test	
-	
-	
-	
-	
-	
-	
-	
 with final_table2 as	
 (with pre_table as
 (select 
@@ -181,15 +19,15 @@ select
 	-- учет нерабочего времени, возможны 4 варианта
 	-- 1) менеджер ответил ночью -- тогда время ответа равно 24:00 - `время сообщения клиента`
 	-- 2) клиент написал ночью -- тогда время ответа отсчитывается от 09:30
-	-- 3) клиент написал днем, а менеджер ответил на след. день -- тогда время ответа равно модулю
-	--    разности времен сообщений (сделано через `greates`, так как interval не поддерживается `abs`)
+	-- 3) клиент написал днем, а менеджер ответил на след. день -- тогда время ответа равно
+	--    разности времен сообщений за вычетом ночного времени
+	-- 4) обычный вариант, тогда просто разность
 	case when (dtime < '09:30:00'::time and created_by <> 0)
 			then '24:00:00'::time - lag(dtime) over(partition by entity_id order by created_at)
 		 when (dtime < '09:30:00'::time and created_by = 0)
 		 	then dtime -'09:30:00'::time 
 		 when (lag(dtime) over(partition by entity_id order by created_at) > dtime)
-		 	then greatest(dtime - lag(dtime) over(partition by entity_id order by created_at),
-		 	              lag(dtime) over(partition by entity_id order by created_at) - dtime)
+		 	then lag(dtime) over(partition by entity_id order by created_at) - dtime - '09:30:00'::time
 		 else dtime - lag(dtime) over(partition by entity_id order by created_at)
 	end as diff_time
 from pre_table
@@ -218,8 +56,7 @@ from
 where
 	created_by <> 0 
 		
-select abs('09:35:00'::time - '09:36:00'::time)
-		
+