Query to find instances of two types of events occurring more than one second apart
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2
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I have 3 tables on my database: BusinessObject and CustomEvent, and EventType. BusinessObject having a lot of columns, CustomEvent having the following:
Id
EventTypeId
DateEvent
CommentEvent
UserId
BusinessObjectId
I want to get all the BusinessObject having two CustomEvent with EventTypeId in (10, 11) such has the difference between the two DateEvent are more than 1 second. From the 6 first month of this year.
I came up with the following query but it's quite slow (~40 seconds). I assume there's a (lot of) ways to speed this up, but my SQL level is not good enough.
Here's the query:
select bo.Id
from BusinessObject bo
where
(
select top 1 DATEDIFF(second,
(select top 1 DateEvent from CustomEvent where EventTypeId = 11 and BusinessObjectid = bo.BusinessObjectId),
(select top 1 DateEvent from CustomEvent where EventTypeId = 10 and BusinessObjectid = bo.BusinessObjectId))
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
where EventTypeId = 11
and innerBO.CreationDate < '20180701'
and innerBO.CreationDate > '20180101'
and innerBO.BusinessObjectId = bo.BusinessObjectId
) > 1
FYI, the query returns 4.138 rows. Here's the tables volumes:
BusinessObject => 302k lines
CustomEvent => 4.326k lines
How could I speed this up?
performance sql sql-server
edited Jul 20 at 14:57
200_success
128k15149412
asked Jul 20 at 13:03
Thomas Ayoub
408313
add a comment |
up vote
2
down vote
favorite
I have 3 tables on my database: BusinessObject and CustomEvent, and EventType. BusinessObject having a lot of columns, CustomEvent having the following:
Id
EventTypeId
DateEvent
CommentEvent
UserId
BusinessObjectId
I want to get all the BusinessObject having two CustomEvent with EventTypeId in (10, 11) such has the difference between the two DateEvent are more than 1 second. From the 6 first month of this year.
I came up with the following query but it's quite slow (~40 seconds). I assume there's a (lot of) ways to speed this up, but my SQL level is not good enough.
Here's the query:
select bo.Id
from BusinessObject bo
where
(
select top 1 DATEDIFF(second,
(select top 1 DateEvent from CustomEvent where EventTypeId = 11 and BusinessObjectid = bo.BusinessObjectId),
(select top 1 DateEvent from CustomEvent where EventTypeId = 10 and BusinessObjectid = bo.BusinessObjectId))
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
where EventTypeId = 11
and innerBO.CreationDate < '20180701'
and innerBO.CreationDate > '20180101'
and innerBO.BusinessObjectId = bo.BusinessObjectId
) > 1
FYI, the query returns 4.138 rows. Here's the tables volumes:
BusinessObject => 302k lines
CustomEvent => 4.326k lines
How could I speed this up?
performance sql sql-server
edited Jul 20 at 14:57
200_success
128k15149412
asked Jul 20 at 13:03
Thomas Ayoub
408313
add a comment |
up vote
2
down vote
favorite
up vote
2
down vote
favorite
I have 3 tables on my database: BusinessObject and CustomEvent, and EventType. BusinessObject having a lot of columns, CustomEvent having the following:
Id
EventTypeId
DateEvent
CommentEvent
UserId
BusinessObjectId
I want to get all the BusinessObject having two CustomEvent with EventTypeId in (10, 11) such has the difference between the two DateEvent are more than 1 second. From the 6 first month of this year.
I came up with the following query but it's quite slow (~40 seconds). I assume there's a (lot of) ways to speed this up, but my SQL level is not good enough.
Here's the query:
select bo.Id
from BusinessObject bo
where
(
select top 1 DATEDIFF(second,
(select top 1 DateEvent from CustomEvent where EventTypeId = 11 and BusinessObjectid = bo.BusinessObjectId),
(select top 1 DateEvent from CustomEvent where EventTypeId = 10 and BusinessObjectid = bo.BusinessObjectId))
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
where EventTypeId = 11
and innerBO.CreationDate < '20180701'
and innerBO.CreationDate > '20180101'
and innerBO.BusinessObjectId = bo.BusinessObjectId
) > 1
FYI, the query returns 4.138 rows. Here's the tables volumes:
BusinessObject => 302k lines
CustomEvent => 4.326k lines
How could I speed this up?
performance sql sql-server
edited Jul 20 at 14:57
200_success
128k15149412
asked Jul 20 at 13:03
Thomas Ayoub
408313
I have 3 tables on my database: BusinessObject and CustomEvent, and EventType. BusinessObject having a lot of columns, CustomEvent having the following:
Id
EventTypeId
DateEvent
CommentEvent
UserId
BusinessObjectId
I want to get all the BusinessObject having two CustomEvent with EventTypeId in (10, 11) such has the difference between the two DateEvent are more than 1 second. From the 6 first month of this year.
I came up with the following query but it's quite slow (~40 seconds). I assume there's a (lot of) ways to speed this up, but my SQL level is not good enough.
Here's the query:
select bo.Id
from BusinessObject bo
where
(
select top 1 DATEDIFF(second,
(select top 1 DateEvent from CustomEvent where EventTypeId = 11 and BusinessObjectid = bo.BusinessObjectId),
(select top 1 DateEvent from CustomEvent where EventTypeId = 10 and BusinessObjectid = bo.BusinessObjectId))
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
where EventTypeId = 11
and innerBO.CreationDate < '20180701'
and innerBO.CreationDate > '20180101'
and innerBO.BusinessObjectId = bo.BusinessObjectId
) > 1
FYI, the query returns 4.138 rows. Here's the tables volumes:
BusinessObject => 302k lines
CustomEvent => 4.326k lines
How could I speed this up?
performance sql sql-server
performance sql sql-server
edited Jul 20 at 14:57
200_success
128k15149412
asked Jul 20 at 13:03
Thomas Ayoub
408313
edited Jul 20 at 14:57
200_success
128k15149412
asked Jul 20 at 13:03
Thomas Ayoub
408313
edited Jul 20 at 14:57
200_success
128k15149412
edited Jul 20 at 14:57
200_success
128k15149412
edited Jul 20 at 14:57
200_success
128k15149412
128k15149412
asked Jul 20 at 13:03
Thomas Ayoub
408313
asked Jul 20 at 13:03
Thomas Ayoub
408313
asked Jul 20 at 13:03
Thomas Ayoub
408313
408313
add a comment |
add a comment |
1 Answer
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You need to work on below statement of your code. You are INNER joining two tables but not with both tables reference.
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
Please mention your Query-result requirement, so according to that we can help with code sample.
answered Aug 10 at 3:28
JERRY
1305
add a comment |
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1 Answer
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active
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1 Answer
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active
oldest
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active
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up vote
0
down vote
You need to work on below statement of your code. You are INNER joining two tables but not with both tables reference.
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
Please mention your Query-result requirement, so according to that we can help with code sample.
answered Aug 10 at 3:28
JERRY
1305
add a comment |
up vote
0
down vote
You need to work on below statement of your code. You are INNER joining two tables but not with both tables reference.
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
Please mention your Query-result requirement, so according to that we can help with code sample.
answered Aug 10 at 3:28
JERRY
1305
add a comment |
up vote
0
down vote
up vote
0
down vote
You need to work on below statement of your code. You are INNER joining two tables but not with both tables reference.
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
Please mention your Query-result requirement, so according to that we can help with code sample.
answered Aug 10 at 3:28
JERRY
1305
You need to work on below statement of your code. You are INNER joining two tables but not with both tables reference.
from CustomEvent ce inner join BusinessObject innerBO on ce.BusinessObjectId = bo.BusinessObjectId
Please mention your Query-result requirement, so according to that we can help with code sample.
answered Aug 10 at 3:28
JERRY
1305
answered Aug 10 at 3:28
JERRY
1305
answered Aug 10 at 3:28
JERRY
1305
answered Aug 10 at 3:28
JERRY
1305
1305
add a comment |
add a comment |
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