fix session issue

bee-engine/src/main/java/com/dianping/bee/engine/spi/handler/internal/DescHandler.java

@@ -12,8 +12,10 @@ import com.dianping.bee.engine.spi.TableProviderManager;
 import com.dianping.bee.engine.spi.handler.AbstractCommandHandler;
 import com.dianping.bee.engine.spi.meta.ColumnMeta;
 import com.dianping.bee.engine.spi.meta.internal.TypeUtils;
+import com.site.lookup.annotation.Inject;
 
 public class DescHandler extends AbstractCommandHandler {
+	@Inject
 	private TableProviderManager m_manager;
 
 	@Override

bee-engine/src/main/java/com/dianping/bee/server/SimpleServerConnection.java

@@ -76,9 +76,14 @@ public class SimpleServerConnection extends ServerConnection {
 	}
 
 	@Override
-	public void setSchema(String schema) {
-		super.setSchema(schema);
-		m_sessionManager.getSession().setDatabase(schema);
+	public void query(byte[] data) {
+		m_sessionManager.getSession().setDatabase(getSchema());
+
+		try {
+			super.query(data);
+		} finally {
+			m_sessionManager.removeSession();
+		}
 	}
 
 	public void setSessionManager(SessionManager sessionManager) {