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  4. EclipseLink: How to get the SQL translated with the arguments for a Query?

EclipseLink: How to get the SQL translated with the arguments for a Query?

Michael Schnell user avatar by
Michael Schnell
·
Sep. 18, 13 · Interview
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The documentation at the EclipseLink Wiki is not very helpful:http://wiki.eclipse.org/EclipseLink/FAQ/JPA#How_to_get_the_SQL_for_a_Query.3F

It says: “To get the SQL translated with the arguments you need a DatabaseRecord with the parameter values.“.

// BEGIN Snippet from the Wiki
Session session = em.unwrap(JpaEntityManager).getActiveSession();
DatabaseQuery databaseQuery =
((EJBQueryImpl)query).getDatabaseQuery();
String sqlString = databaseQuery
.getTranslatedSQLString(session,
recordWithValues);
// END Snippet from the Wiki

But where to get the recordWithValues variable? Actually the solution is hard to find, but simple: databaseQuery.getTranslationRow()

// This does the trick...
String sqlString = databaseQuery
.getTranslatedSQLString(session,
databaseQuery.getTranslationRow());
// ... to replace the '?' 
EclipseLink sql

Published at DZone with permission of Michael Schnell, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

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  • Resolving Log Corruption Detected During Database Backup in SQL Server
  • How To Use SQL To Analyze and Visualize Data
  • NULL in Oracle
  • Supercharging Data Analytics With SQL in S4 HANA and Domo: A Machine Learning Perspective

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