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hibernate-orm
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HHH-7984 - Oracle callable statement closing 

Conflicts:
	hibernate-core/src/main/java/org/hibernate/loader/Loader.java
	hibernate-core/src/main/java/org/hibernate/loader/entity/DynamicBatchingEntityLoaderBuilder.java
This commit is contained in:
Lukasz Antoniak 2013-03-25 13:48:55 -04:00 committed by Brett Meyer
parent 2fb5a9292d
commit 62cea68007
10 changed files with 92 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/JdbcCoordinatorImpl.java
View File

@ -370,14 +370,15 @@ public class JdbcCoordinatorImpl implements JdbcCoordinator {
}
@Override
public void register(ResultSet resultSet) {
public void register(ResultSet resultSet, Statement statement) {
LOG.tracev( "Registering result set [{0}]", resultSet );
Statement statement;
try {
statement = resultSet.getStatement();
}
catch ( SQLException e ) {
throw exceptionHelper.convert( e, "unable to access statement from resultset" );
if ( statement == null ) {
try {
statement = resultSet.getStatement(); // best guess
}
catch ( SQLException e ) {
throw exceptionHelper.convert( e, "unable to access statement from resultset" );
}
}
if ( statement != null ) {
if ( LOG.isEnabled( Level.WARN ) && !xref.containsKey( statement ) ) {

14
hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/ResultSetReturnImpl.java
View File

@ -54,7 +54,7 @@ public class ResultSetReturnImpl implements ResultSetReturn {
}
try {
ResultSet rs = statement.executeQuery();
postExtract( rs );
postExtract( rs, statement );
return rs;
}
catch ( SQLException e ) {
@ -68,7 +68,7 @@ public class ResultSetReturnImpl implements ResultSetReturn {
// sql logged by StatementPreparerImpl
ResultSet rs = jdbcCoordinator.getLogicalConnection().getJdbcServices()
.getDialect().getResultSet( statement );
postExtract( rs );
postExtract( rs, statement );
return rs;
}
catch ( SQLException e ) {
@ -82,7 +82,7 @@ public class ResultSetReturnImpl implements ResultSetReturn {
.getSqlStatementLogger().logStatement( sql );
try {
ResultSet rs = statement.executeQuery( sql );
postExtract( rs );
postExtract( rs, statement );
return rs;
}
catch ( SQLException e ) {
@ -100,7 +100,7 @@ public class ResultSetReturnImpl implements ResultSetReturn {
}
}
ResultSet rs = statement.getResultSet();
postExtract( rs );
postExtract( rs, statement );
return rs;
}
catch ( SQLException e ) {
@ -119,7 +119,7 @@ public class ResultSetReturnImpl implements ResultSetReturn {
}
}
ResultSet rs = statement.getResultSet();
postExtract( rs );
postExtract( rs, statement );
return rs;
}
catch ( SQLException e ) {
@ -157,8 +157,8 @@ public class ResultSetReturnImpl implements ResultSetReturn {
.getSqlExceptionHelper();
}
private void postExtract(ResultSet rs) {
if ( rs != null ) jdbcCoordinator.register( rs );
private void postExtract(ResultSet rs, Statement st) {
if ( rs != null ) jdbcCoordinator.register( rs, st );
}
}

7
hibernate-core/src/main/java/org/hibernate/engine/jdbc/spi/JdbcCoordinator.java
View File

@ -170,10 +170,15 @@ public interface JdbcCoordinator extends Serializable {
/**
* Register a JDBC result set.
* <p/>
* Implementation note: Second parameter has been introduced to prevent
* multiple registrations of the same statement in case {@link ResultSet#getStatement()}
* does not return original {@link Statement} object.
*
* @param resultSet The result set to register.
* @param statement Statement from which {@link ResultSet} has been generated.
*/
public void register(ResultSet resultSet);
public void register(ResultSet resultSet, Statement statement);
/**
* Release a previously registered result set.

5
hibernate-core/src/main/java/org/hibernate/hql/internal/classic/QueryTranslatorImpl.java
View File

@ -954,8 +954,9 @@ public class QueryTranslatorImpl extends BasicLoader implements FilterTranslator
try {
final List<AfterLoadAction> afterLoadActions = new ArrayList<AfterLoadAction>();
final ResultSet rs = executeQueryStatement( queryParameters, false, afterLoadActions, session );
final PreparedStatement st = (PreparedStatement) rs.getStatement();
final SqlStatementWrapper wrapper = executeQueryStatement( queryParameters, false, afterLoadActions, session );
final ResultSet rs = wrapper.getResultSet();
final PreparedStatement st = (PreparedStatement) wrapper.getStatement();
HolderInstantiator hi = HolderInstantiator.createClassicHolderInstantiator(holderConstructor, queryParameters.getResultTransformer());
Iterator result = new IteratorImpl( rs, st, session, queryParameters.isReadOnly( session ), returnTypes, getColumnNames(), hi );

44
hibernate-core/src/main/java/org/hibernate/loader/Loader.java
View File

@ -896,9 +896,9 @@ public abstract class Loader {
final List<AfterLoadAction> afterLoadActions = new ArrayList<AfterLoadAction>();
final ResultSet rs = executeQueryStatement( queryParameters, false, afterLoadActions, session );
final Statement st = rs.getStatement();
final int entitySpan = getEntityPersisters().length;
final SqlStatementWrapper wrapper = executeQueryStatement( queryParameters, false, afterLoadActions, session );
final ResultSet rs = wrapper.getResultSet();
final Statement st = wrapper.getStatement();
// would be great to move all this below here into another method that could also be used
// from the new scrolling stuff.
@ -1803,7 +1803,7 @@ public abstract class Loader {
* Process query string by applying filters, LIMIT clause, locks and comments if necessary.
* Finally execute SQL statement and advance to the first row.
*/
protected ResultSet executeQueryStatement(
protected SqlStatementWrapper executeQueryStatement(
final QueryParameters queryParameters,
final boolean scroll,
List<AfterLoadAction> afterLoadActions,
@ -1811,10 +1811,10 @@ public abstract class Loader {
return executeQueryStatement( getSQLString(), queryParameters, scroll, afterLoadActions, session );
}
protected ResultSet executeQueryStatement(
final String sqlStatement,
final QueryParameters queryParameters,
final boolean scroll,
protected SqlStatementWrapper executeQueryStatement(
String sqlStatement,
QueryParameters queryParameters,
boolean scroll,
List<AfterLoadAction> afterLoadActions,
final SessionImplementor session) throws SQLException {
@ -1829,7 +1829,7 @@ public abstract class Loader {
sql = preprocessSQL( sql, queryParameters, getFactory().getDialect(), afterLoadActions );
final PreparedStatement st = prepareQueryStatement( sql, queryParameters, limitHandler, scroll, session );
return getResultSet( st, queryParameters.getRowSelection(), limitHandler, queryParameters.hasAutoDiscoverScalarTypes(), session );
return new SqlStatementWrapper( st, getResultSet( st, queryParameters.getRowSelection(), limitHandler, queryParameters.hasAutoDiscoverScalarTypes(), session ) );
}
/**
@ -2583,8 +2583,9 @@ public abstract class Loader {
if ( stats ) startTime = System.currentTimeMillis();
try {
final ResultSet rs = executeQueryStatement( queryParameters, true, Collections.<AfterLoadAction>emptyList(), session );
final PreparedStatement st = (PreparedStatement) rs.getStatement();
final SqlStatementWrapper wrapper = executeQueryStatement( queryParameters, true, Collections.<AfterLoadAction>emptyList(), session );
final ResultSet rs = wrapper.getResultSet();
final PreparedStatement st = (PreparedStatement) wrapper.getStatement();
if ( stats ) {
getFactory().getStatisticsImplementor().queryExecuted(
@ -2657,4 +2658,25 @@ public abstract class Loader {
public String toString() {
return getClass().getName() + '(' + getSQLString() + ')';
}
/**
* Wrapper class for {@link Statement} and associated {@link ResultSet}.
*/
protected static class SqlStatementWrapper {
private final Statement statement;
private final ResultSet resultSet;
private SqlStatementWrapper(Statement statement, ResultSet resultSet) {
this.resultSet = resultSet;
this.statement = statement;
}
public ResultSet getResultSet() {
return resultSet;
}
public Statement getStatement() {
return statement;
}
}
}

5
hibernate-core/src/main/java/org/hibernate/loader/collection/DynamicBatchingCollectionInitializerBuilder.java
View File

@ -253,8 +253,9 @@ public class DynamicBatchingCollectionInitializerBuilder extends BatchingCollect
Integer.MAX_VALUE;
final List<AfterLoadAction> afterLoadActions = Collections.emptyList();
final ResultSet rs = executeQueryStatement( sql, queryParameters, false, afterLoadActions, session );
final Statement st = rs.getStatement();
final SqlStatementWrapper wrapper = executeQueryStatement( sql, queryParameters, false, afterLoadActions, session );
final ResultSet rs = wrapper.getResultSet();
final Statement st = wrapper.getStatement();
try {
processResultSet( rs, queryParameters, session, true, null, maxRows, afterLoadActions );
}

12
hibernate-core/src/main/java/org/hibernate/loader/entity/DynamicBatchingEntityLoaderBuilder.java
View File

@ -27,11 +27,9 @@ import java.io.Serializable;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Collections;
import java.util.ArrayList;
import java.util.List;
import org.jboss.logging.Logger;
import org.hibernate.LockMode;
import org.hibernate.LockOptions;
import org.hibernate.dialect.pagination.LimitHelper;
@ -45,6 +43,7 @@ import org.hibernate.internal.util.StringHelper;
import org.hibernate.internal.util.collections.ArrayHelper;
import org.hibernate.persister.entity.OuterJoinLoadable;
import org.hibernate.pretty.MessageHelper;
import org.jboss.logging.Logger;
/**
* A BatchingEntityLoaderBuilder that builds UniqueEntityLoader instances capable of dynamically building
@ -254,9 +253,10 @@ public class DynamicBatchingEntityLoaderBuilder extends BatchingEntityLoaderBuil
selection.getMaxRows() :
Integer.MAX_VALUE;
final List<AfterLoadAction> afterLoadActions = Collections.emptyList();
final ResultSet rs = executeQueryStatement( sql, queryParameters, false, afterLoadActions, session );
final Statement st = rs.getStatement();
final List<AfterLoadAction> afterLoadActions = new ArrayList<AfterLoadAction>();
final SqlStatementWrapper wrapper = executeQueryStatement( sql, queryParameters, false, afterLoadActions, session );
final ResultSet rs = wrapper.getResultSet();
final Statement st = wrapper.getStatement();
try {
return processResultSet( rs, queryParameters, session, false, null, maxRows, afterLoadActions );
}

5
hibernate-core/src/main/java/org/hibernate/loader/hql/QueryLoader.java
View File

@ -510,8 +510,9 @@ public class QueryLoader extends BasicLoader {
if ( queryParameters.isCallable() ) {
throw new QueryException("iterate() not supported for callable statements");
}
final ResultSet rs = executeQueryStatement( queryParameters, false, Collections.<AfterLoadAction>emptyList(), session );
final PreparedStatement st = (PreparedStatement) rs.getStatement();
final SqlStatementWrapper wrapper = executeQueryStatement( queryParameters, false, Collections.<AfterLoadAction>emptyList(), session );
final ResultSet rs = wrapper.getResultSet();
final PreparedStatement st = (PreparedStatement) wrapper.getStatement();
final Iterator result = new IteratorImpl(
rs,
st,

2
hibernate-core/src/test/java/org/hibernate/test/annotations/dataTypes/BasicOperationsTest.java
View File

@ -129,7 +129,7 @@ public class BasicOperationsTest extends BaseCoreFunctionalTestCase {
String columnNamePattern = generateFinalNamePattern( meta, columnName );
ResultSet columnInfo = meta.getColumns( null, null, tableNamePattern, columnNamePattern );
s.getTransactionCoordinator().getJdbcCoordinator().register(columnInfo);
s.getTransactionCoordinator().getJdbcCoordinator().register(columnInfo, columnInfo.getStatement());
assertTrue( columnInfo.next() );
int dataType = columnInfo.getInt( "DATA_TYPE" );
s.getTransactionCoordinator().getJdbcCoordinator().release( columnInfo );

22
hibernate-core/src/test/java/org/hibernate/test/sql/refcursor/CursorFromCallableTest.java
View File

@ -89,6 +89,28 @@ public class CursorFromCallableTest extends BaseCoreFunctionalTestCase {
session.close();
}
@Test
@TestForIssue( jiraKey = "HHH-7984" )
public void testStatementClosing() {
Session session = openSession();
session.getTransaction().begin();
// Reading maximum number of opened cursors requires SYS privileges.
// Verify statement closing with JdbcCoordinator#hasRegisteredResources() instead.
// BigDecimal maxCursors = (BigDecimal) session.createSQLQuery( "SELECT value FROM v$parameter WHERE name = 'open_cursors'" ).uniqueResult();
// for ( int i = 0; i < maxCursors + 10; ++i ) { named_query_execution }
Assert.assertEquals(
Arrays.asList( new NumValue( 1, "Line 1" ), new NumValue( 2, "Line 2" ) ),
session.getNamedQuery( "NumValue.getSomeValues" ).list()
);
JdbcCoordinator jdbcCoordinator = ( (SessionImplementor) session ).getTransactionCoordinator().getJdbcCoordinator();
Assert.assertFalse(
"Prepared statement and result set should be released after query execution.",
jdbcCoordinator.hasRegisteredResources()
);
session.getTransaction().commit();
session.close();
}
private void executeStatement(final String sql) {
final Session session = openSession();
session.getTransaction().begin();