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getGeneratedKey() only returns last record of inserted batch

Posted on 2003-11-12
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Last Modified: 2007-12-19
I have a batch that inserts more than one record at a time.  After the batch call I call getGeneratedKeys on the preparedStatement, but it only returns the last record inserted (MySQL database)...

//sample code

/* code to delare preparedStatement and code to set values and add to batch */

int[] updateCounts = object.executeBatch();
ResultSet rs = object.getGeneratedKeys ();
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Question by:sapientconceptions
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6 Comments
 
LVL 92

Expert Comment

by:objects
ID: 9737650
Don't think you can use getGeneratedKeys() when using batch processing.
 
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Author Comment

by:sapientconceptions
ID: 9737777
ok, but I thought that was the whole reason for the method (especially since it's named with an 's' on the end)...

I guess I'll have to create my own id's and send with the insert, but then the question becomes -- how can I easily get the last id in the database?
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LVL 92

Accepted Solution

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objects earned 1000 total points
ID: 9737808
> but I thought that was the whole reason for the method
> (especially since it's named with an 's' on the end)...

For statements that generate multiple id's.

> I  guess I'll have to create my own id's and send with the insert

Or don't use a batch and execute the insert's individually.
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LVL 15

Expert Comment

by:jimmack
ID: 9738046
objects actually answered your last question a couple of months ago ;-)

http://www.experts-exchange.com/Programming/Programming_Languages/Java/Q_20733689.html
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Author Comment

by:sapientconceptions
ID: 9742203
Objects,

Sometimes you just need someone else to tell you the obvious!  Thanks for the help.
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LVL 92

Expert Comment

by:objects
ID: 9742252
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