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HHH-15414 For Oracle Dialect from version 8 Envers should not generate new revision when database replaces empty string with NULL during INSERT or UPDATE statements

This commit is contained in:
Andrea Boriero 2022-07-21 16:32:09 +02:00 committed by Andrea Boriero
parent 4b0446427c
commit c84b36e3e9
1 changed files with 5 additions and 3 deletions
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8
hibernate-envers/src/main/java/org/hibernate/envers/internal/entities/mapper/SinglePropertyMapper.java
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@ -13,7 +13,8 @@ import java.util.Objects;
import org.hibernate.HibernateException;
import org.hibernate.collection.spi.PersistentCollection;
import org.hibernate.dialect.Oracle8iDialect;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.OracleDialect;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.envers.boot.internal.EnversService;
import org.hibernate.envers.exception.AuditException;
@ -58,8 +59,9 @@ public class SinglePropertyMapper extends AbstractPropertyMapper implements Simp
Object oldObj) {
data.put( propertyData.getName(), newObj );
boolean dbLogicallyDifferent = true;
if ( (session.getFactory().getJdbcServices()
.getDialect() instanceof Oracle8iDialect) && (newObj instanceof String || oldObj instanceof String) ) {
final Dialect dialect = session.getFactory().getJdbcServices()
.getDialect();
if ( ( dialect instanceof OracleDialect && dialect.getVersion().isSameOrAfter( 8 ) ) && (newObj instanceof String || oldObj instanceof String) ) {
// Don't generate new revision when database replaces empty string with NULL during INSERT or UPDATE statements.
dbLogicallyDifferent = !(StringTools.isEmpty( newObj ) && StringTools.isEmpty( oldObj ));
}