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Getting the Consecutive records

Posted on 2008-10-21
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Last Modified: 2010-04-21
Hi All,
 I have table with colum Id (Identity column) and return .
The table data look like below
ID    Returns
1     0.0
2     1.2
3.    0.0
4     0.0
5    0.0
6   2.3
7  0.0
8  0.0
9  3.4

In the above table, I only want the record which have Returns as zero for three consecutively rows.
In the above table, i need a query i will select only the record 3,4 and 5.I dont want to use loops. Please help me.
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Question by:Jeyakumar_mcp
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6 Comments
 
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Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 22767081
clarify, please:
sql 2000 or sql 2005+?
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Author Comment

by:Jeyakumar_mcp
ID: 22767192
it is in sql 2000
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LVL 142

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 50 total points
ID: 22767372
ok, what about this:
select t1.id, t2.id, t3.id
  from yourtable t1
  join yourtable t2
    on t2.id = t1.id + 1
   and t2.returns = t1.returns
  join yourtable t3
    on t3.id = t3.id + 1
   and t3.returns = t1.returns
  where t1.returns = 0.0

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LVL 1

Author Comment

by:Jeyakumar_mcp
ID: 22767562
HI,
  It is not working.
For the input
The table data look like below
ID    Returns
1     0.0
2     1.2
3.    0.0
4     0.0
5    0.0
6   2.3
7  0.0
8  0.0
9  3.4

I need the output as below
ID    Returns
3.    0.0
4     0.0
5    0.0

Please advice
0
 
LVL 142

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 22767799
does my query return 1 rows with the 3 id values?

if yes:
select t.* 
  from yourtable t
  join ( select t1.id id1, t2.id id2, t3.id id3
  from yourtable t1
  join yourtable t2
    on t2.id = t1.id + 1
   and t2.returns = t1.returns
  join yourtable t3
    on t3.id = t3.id + 1
   and t3.returns = t1.returns
  where t1.returns = 0.0
  ) sq
  on t.id in (sq.id1, sq.id2, sq.id3)

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Author Closing Comment

by:Jeyakumar_mcp
ID: 31508259
Thanks Angel. It works fine  with slight modification. Thanks a lot
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