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Sybase jconnect stored procedure temporary tables issue

Posted on 2005-03-03
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Last Modified: 2008-03-06
From isql I run my stored procedure and it returns the expected results.  However, from Java the

java.sql.Statement.getResultSet()

method returns nothing.  The stored procedure contains temporary tables and two select statements.  If I instead replace this with just one select statement and no temporary tables I get results from java.  Any ideas?
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Question by:r2umam
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5 Comments
 
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Expert Comment

by:Joe Woodhouse
ID: 13456002
Not very helpful to you I'm afraid, but I've seen a lot of applications and connectivity tools expect only one result set per statement.

If that's the case for Java as well, do you have the ability to split your procedure into two subprocedures and call them one per statement? Of course, you wouldn't be able to share information between them with the #temp tables anymore, though.

I'm not a Java person but I'm guessing there might be some way to concatenate result sets...?
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Author Comment

by:r2umam
ID: 13456032
actually, in both cases there is only one result set. In the first sp I create a temp table and then select from it, returning one result set but java says no results, whereas isql returns many lines of results.  In the second case there is also one result set, but this time no temp table, this time java has no problem and returns results.
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Joe Woodhouse earned 2000 total points
ID: 13456053
Huh. Ok, so it isn't that.

Java doesn't like temp tables? Hmm.

What version of ASE? If you're in any of the recent versions (12.5.1+, I think), you can use a derived table rather than a temp table, ie. treat the query that populates the temp table as a table in the FROM clause:

SELECT   ...
FROM     (SELECT ... FROM ... WHERE ...) as derived_table
,            other_table
[...]

If the inner query doesn't have to be built programatically (ie. is the same every time it runs), you could use a VIEW instead.
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Expert Comment

by:leonstryker
ID: 13460293
Does you application have the same rights as then you are running it from isql?

As a test create a procedure to insert a single value into a temp table and select it out. Do you get it from Java?
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by:Joe Woodhouse
ID: 13463816
Glad that helped!
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