Java Code Examples for org.hibernate.dialect.Dialect#registerResultSetOutParameter()

The following examples show how to use org.hibernate.dialect.Dialect#registerResultSetOutParameter() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: Loader.java From lams with GNU General Public License v2.0

4 votes

/**
 * Obtain a <tt>PreparedStatement</tt> with all parameters pre-bound.
 * Bind JDBC-style <tt>?</tt> parameters, named parameters, and
 * limit parameters.
 */
protected final PreparedStatement prepareQueryStatement(
		String sql,
		final QueryParameters queryParameters,
		final LimitHandler limitHandler,
		final boolean scroll,
		final SharedSessionContractImplementor session) throws SQLException, HibernateException {
	final Dialect dialect = getFactory().getDialect();
	final RowSelection selection = queryParameters.getRowSelection();
	final boolean useLimit = LimitHelper.useLimit( limitHandler, selection );
	final boolean hasFirstRow = LimitHelper.hasFirstRow( selection );
	final boolean useLimitOffset = hasFirstRow && useLimit && limitHandler.supportsLimitOffset();
	final boolean callable = queryParameters.isCallable();
	final ScrollMode scrollMode = getScrollMode( scroll, hasFirstRow, useLimitOffset, queryParameters );

	PreparedStatement st = session.getJdbcCoordinator().getStatementPreparer().prepareQueryStatement(
			sql,
			callable,
			scrollMode
	);

	try {

		int col = 1;
		//TODO: can we limit stored procedures ?!
		col += limitHandler.bindLimitParametersAtStartOfQuery( selection, st, col );

		if ( callable ) {
			col = dialect.registerResultSetOutParameter( (CallableStatement) st, col );
		}

		col += bindParameterValues( st, queryParameters, col, session );

		col += limitHandler.bindLimitParametersAtEndOfQuery( selection, st, col );

		limitHandler.setMaxRows( selection, st );

		if ( selection != null ) {
			if ( selection.getTimeout() != null ) {
				st.setQueryTimeout( selection.getTimeout() );
			}
			if ( selection.getFetchSize() != null ) {
				st.setFetchSize( selection.getFetchSize() );
			}
		}

		// handle lock timeout...
		LockOptions lockOptions = queryParameters.getLockOptions();
		if ( lockOptions != null ) {
			if ( lockOptions.getTimeOut() != LockOptions.WAIT_FOREVER ) {
				if ( !dialect.supportsLockTimeouts() ) {
					if ( LOG.isDebugEnabled() ) {
						LOG.debugf(
								"Lock timeout [%s] requested but dialect reported to not support lock timeouts",
								lockOptions.getTimeOut()
						);
					}
				}
				else if ( dialect.isLockTimeoutParameterized() ) {
					st.setInt( col++, lockOptions.getTimeOut() );
				}
			}
		}

		if ( LOG.isTraceEnabled() ) {
			LOG.tracev( "Bound [{0}] parameters total", col );
		}
	}
	catch (SQLException | HibernateException e) {
		session.getJdbcCoordinator().getLogicalConnection().getResourceRegistry().release( st );
		session.getJdbcCoordinator().afterStatementExecution();
		throw e;
	}

	return st;
}

Example 2

Source File: AbstractLoadPlanBasedLoader.java From lams with GNU General Public License v2.0

4 votes

/**
 * Obtain a <tt>PreparedStatement</tt> with all parameters pre-bound.
 * Bind JDBC-style <tt>?</tt> parameters, named parameters, and
 * limit parameters.
 */
protected final PreparedStatement prepareQueryStatement(
		final String sql,
		final QueryParameters queryParameters,
		final LimitHandler limitHandler,
		final boolean scroll,
		final SharedSessionContractImplementor session) throws SQLException, HibernateException {
	final Dialect dialect = session.getJdbcServices().getJdbcEnvironment().getDialect();
	final RowSelection selection = queryParameters.getRowSelection();
	final boolean useLimit = LimitHelper.useLimit( limitHandler, selection );
	final boolean hasFirstRow = LimitHelper.hasFirstRow( selection );
	final boolean useLimitOffset = hasFirstRow && useLimit && limitHandler.supportsLimitOffset();
	final boolean callable = queryParameters.isCallable();
	final ScrollMode scrollMode = getScrollMode( scroll, hasFirstRow, useLimitOffset, queryParameters );

	final PreparedStatement st = session.getJdbcCoordinator()
			.getStatementPreparer().prepareQueryStatement( sql, callable, scrollMode );

	try {

		int col = 1;
		//TODO: can we limit stored procedures ?!
		col += limitHandler.bindLimitParametersAtStartOfQuery( selection, st, col );

		if (callable) {
			col = dialect.registerResultSetOutParameter( (CallableStatement)st, col );
		}

		col += bindParameterValues( st, queryParameters, col, session );

		col += limitHandler.bindLimitParametersAtEndOfQuery( selection, st, col );

		limitHandler.setMaxRows( selection, st );

		if ( selection != null ) {
			if ( selection.getTimeout() != null ) {
				st.setQueryTimeout( selection.getTimeout() );
			}
			if ( selection.getFetchSize() != null ) {
				st.setFetchSize( selection.getFetchSize() );
			}
		}

		// handle lock timeout...
		final LockOptions lockOptions = queryParameters.getLockOptions();
		if ( lockOptions != null ) {
			if ( lockOptions.getTimeOut() != LockOptions.WAIT_FOREVER ) {
				if ( !dialect.supportsLockTimeouts() ) {
					if ( log.isDebugEnabled() ) {
						log.debugf(
								"Lock timeout [%s] requested but dialect reported to not support lock timeouts",
								lockOptions.getTimeOut()
						);
					}
				}
				else if ( dialect.isLockTimeoutParameterized() ) {
					st.setInt( col++, lockOptions.getTimeOut() );
				}
			}
		}

		if ( log.isTraceEnabled() ) {
			log.tracev( "Bound [{0}] parameters total", col );
		}
	}
	catch ( SQLException sqle ) {
		session.getJdbcCoordinator().getResourceRegistry().release( st );
		session.getJdbcCoordinator().afterStatementExecution();
		throw sqle;
	}
	catch ( HibernateException he ) {
		session.getJdbcCoordinator().getResourceRegistry().release( st );
		session.getJdbcCoordinator().afterStatementExecution();
		throw he;
	}

	return st;
}

Example 3

Source File: Loader.java From cacheonix-core with GNU Lesser General Public License v2.1

4 votes

/**
 * Obtain a <tt>PreparedStatement</tt> with all parameters pre-bound.
 * Bind JDBC-style <tt>?</tt> parameters, named parameters, and
 * limit parameters.
 */
protected final PreparedStatement prepareQueryStatement(
        final QueryParameters queryParameters,
        final boolean scroll,
        final SessionImplementor session) throws SQLException, HibernateException {
	String sql = processFilters( queryParameters, session );
	final Dialect dialect = getFactory().getDialect();
	final RowSelection selection = queryParameters.getRowSelection();
	boolean useLimit = useLimit( selection, dialect );
	boolean hasFirstRow = getFirstRow( selection ) > 0;
	boolean useOffset = hasFirstRow && useLimit && dialect.supportsLimitOffset();
	boolean callable = queryParameters.isCallable();
	
	boolean useScrollableResultSetToSkip = hasFirstRow &&
			!useOffset &&
			getFactory().getSettings().isScrollableResultSetsEnabled();
	ScrollMode scrollMode = scroll ? queryParameters.getScrollMode() : ScrollMode.SCROLL_INSENSITIVE;

	if ( useLimit ) {
		sql = dialect.getLimitString( 
				sql.trim(), //use of trim() here is ugly?
				useOffset ? getFirstRow(selection) : 0, 
				getMaxOrLimit(selection, dialect) 
			);
	}

	sql = preprocessSQL( sql, queryParameters, dialect );
	
	PreparedStatement st = null;
	
	if (callable) {
		st = session.getBatcher()
			.prepareCallableQueryStatement( sql, scroll || useScrollableResultSetToSkip, scrollMode );
	} 
	else {
		st = session.getBatcher()
			.prepareQueryStatement( sql, scroll || useScrollableResultSetToSkip, scrollMode );
	}
			

	try {

		int col = 1;
		//TODO: can we limit stored procedures ?!
		if ( useLimit && dialect.bindLimitParametersFirst() ) {
			col += bindLimitParameters( st, col, selection );
		}
		if (callable) {
			col = dialect.registerResultSetOutParameter( (CallableStatement)st, col );
		}

		col += bindParameterValues( st, queryParameters, col, session );

		if ( useLimit && !dialect.bindLimitParametersFirst() ) {
			col += bindLimitParameters( st, col, selection );
		}

		if ( !useLimit ) {
			setMaxRows( st, selection );
		}

		if ( selection != null ) {
			if ( selection.getTimeout() != null ) {
				st.setQueryTimeout( selection.getTimeout().intValue() );
			}
			if ( selection.getFetchSize() != null ) {
				st.setFetchSize( selection.getFetchSize().intValue() );
			}
		}
	}
	catch ( SQLException sqle ) {
		session.getBatcher().closeQueryStatement( st, null );
		throw sqle;
	}
	catch ( HibernateException he ) {
		session.getBatcher().closeQueryStatement( st, null );
		throw he;
	}

	return st;
}