postgresql tuning

code/LanBortalDatabase/src/META-INF/MANIFEST.MF

 Manifest-Version: 1.0
 Class-Path: bcprov-jdk16-146.jar 
  bcmail-jdk16-146.jar 
- LanBortalUtilities.jar
+ LanBortalUtilities.jar 
+ org.ancoron.postgresql.jpa-9.1.901.jdbc4.1-rc6.jar 
+ org.postgresql-9.1.901.jdbc4.1-rc6.jar 
+ org.postgresql.net-9.1.901.jdbc4.1-rc6.jar
 

code/LanBortalDatabase/src/META-INF/persistence.xml

@@ -11,9 +11,11 @@
 				value="database" />
 			<property name="eclipselink.logging.logger" value="ServerLogger" />
 			<property name="eclipselink.jdbc.uppercase-columns" value="false" />
-			<!-- <property name="eclipselink.target-database"
-				value="fi.insomnia.bortal.database.LanBortalPostgresqlPlatform" />  -->
+			<property name="eclipselink.target-database"
+				value="fi.insomnia.bortal.database.BortalPostgreSQLPlatform" />
+			<property name="eclipselink.session-event-listener"
+				value="org.ancoron.postgresql.jpa.eclipselink.ConverterInitializer" />
 		</properties>
-		
+
 	</persistence-unit>
 </persistence>

code/LanBortalDatabase/src/fi/insomnia/bortal/database/BortalPostgreSQLPlatform.java

+package fi.insomnia.bortal.database;
+
+import java.util.Hashtable;
+
+import org.eclipse.persistence.internal.databaseaccess.FieldTypeDefinition;
+import org.eclipse.persistence.platform.database.PostgreSQLPlatform;
+
+public class BortalPostgreSQLPlatform extends PostgreSQLPlatform {
+    private static final long serialVersionUID = 6351395815598077327L;
+
+    @SuppressWarnings({ "rawtypes", "unchecked" })
+    @Override
+    protected Hashtable buildFieldTypes() {
+        Hashtable map = super.buildFieldTypes();
+
+        map.put(String.class, new FieldTypeDefinition("TEXT", false));
+        map.put(java.sql.Timestamp.class, new FieldTypeDefinition(
+                "TIMESTAMPTZ", false));
+
+        return map;
+    }
+}