Select the line with the smallest Beach
HelloI am trying to build a complex query...
He must select the line with the inner range...
I'll explain for example:
Location of poolsize ID value
1 32 8
2 40 6
3 42 8
4-36-3
I want to select the line where the fork between value and value + poolsize is shared also with the other location...
so:
1 is 32-40 (in A place)
2 is 40-46 (in place)
3 is 42-48 (location B)
4 is 36-39 (at location B)
4 is located at 1 (and there are different places...) so sql must return to the fourth line.
Any help will be appreciated!
Thank you
fcbman
Hello
fcbman1899 wrote:
Hello
I am trying to build a complex query...
He must select the line with the inner range...I'll explain for example:
Location of poolsize ID value
1 32 8
2 40 6
3 42 8
4-36-3
Whenever you have a problem, please post CREATE TABLE and INSERT statements for your sample data, in order to let the people who want to help you re-Ridge the problem and test their ideas.
See the FAQ forum {message identifier: = 9360002}
I want to select the line where the fork between value and value + poolsize is shared also with the other location...
so:
1 is 32-40 (in A place)
2 is 40-46 (in place)
3 is 42-48 (location B)
4 is 36-39 (at location B)4 is located at 1 (and there are different places...) so sql must return to the fourth line.
To find all the rows that are within the range of at least one other line with another location:
SELECT *
FROM table_x m
WHERE EXISTS (
SELECT 1
FROM table_x
WHERE location != m.location
AND value <= m.value
AND value + poolsize >= m.value + m.poolsize
)
;
When you talk of the "" * most * inner range ", do you mean that you might have another line, such as"
INSERT INTO table_x (id, vlue, poolsize, location) VALUES (5, 37, 1, 'C');
which is inside the range of id - 4, and that's why you wouldn't have id = 4? If so, include examples in the results and data sample yout. You can do this with a query CONNECT BY, or, depending on your version of Oracle, a WITH recursive clause.
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