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VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages
book

VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages

by Ueli Wahli, Greg Behrend, Daniel Peter
March 2000
Beginner to intermediate content levelBeginner to intermediate
472 pages
11h 17m
English
IBM Redbooks
Content preview from VisualAge for Java Version 3: Persistence Builder with GUIs, Servlets, and Java Server Pages
Chapter 12. Custom Queries 235
Test the Fixed Custom Query
In our test sample (Figure 157), we will demonstrate the code used to call a
custom query on a home collection. As always, we begin by activating the
datastore, begin a transaction, then commit the transaction when complete.
To invoke the query, we use the retrieval method on a home collection. The
result of our query is a Vector that we have simply displayed to the console.
Figure 157. Scrapbook: Custom Query Gold Accounts (GoldAccounts.scrap)
Example of a Variable Custom Query
The second sample shows a more advanced custom query with two input
parameters and a join in the query’s where clause. ...
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Publisher Resources

ISBN: 0738415820Purchase bookAdditional Material