Github user kevinxu021 commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/799#discussion_r86500287
--- Diff:
core/conn/jdbcT4/src/main/java/org/trafodion/jdbc/t4/TrafT4Blob.java ---
@@ -0,0 +1,166 @@
+// @@@ START COPYRIGHT @@@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+// @@@ END COPYRIGHT @@@
+
+package org.trafodion.jdbc.t4;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.sql.Blob;
+import java.sql.SQLException;
+import java.util.logging.Level;
+import java.util.logging.LogRecord;
+
+public class TrafT4Blob implements Blob {
+ private byte[] data_;
+ private boolean isFreed_ = false;
+ private TrafT4Connection connection_ = null;
+
+ public TrafT4Blob(TrafT4Connection connection, String lobHandle) throws
SQLException {
+ if (connection_.props_.t4Logger_.isLoggable(Level.FINE) ==
true) {
+ Object p[] =
T4LoggingUtilities.makeParams(connection_.props_, connection, lobHandle);
+ connection_.props_.t4Logger_.logp(Level.FINE,
"TrafT4ResultSet", "getClob", "", p);
+ }
+ if (connection_.props_.getLogWriter() != null) {
+ LogRecord lr = new LogRecord(Level.FINE, "");
+ Object p[] =
T4LoggingUtilities.makeParams(connection_.props_, connection, lobHandle);
+ lr.setParameters(p);
+ lr.setSourceClassName("TrafT4ResultSet");
+ lr.setSourceMethodName("getClob");
+ T4LogFormatter lf = new T4LogFormatter();
+ String temp = lf.format(lr);
+ connection_.props_.getLogWriter().println(temp);
+ }
+ }
+
+ public InputStream getBinaryStream() throws SQLException {
+ testAvailability();
+ return new ByteArrayInputStream(this.data_);
+ }
+
+ public InputStream getBinaryStream(long pos, long length) throws
SQLException {
+ testAvailability();
+
TrafT4Messages.throwUnsupportedFeatureException(connection_.props_,
connection_.getLocale(),
+ "getBinaryStream()");
+ return null;
+ }
+
+ /*
+ * Retrieves all or part of the BLOB value that this Blob object
represents,
+ * as an array of bytes. This byte array contains up to length
consecutive
+ * bytes starting at position pos.
+ * */
+ public byte[] getBytes(long pos, int length) throws SQLException {
+ testAvailability();
+
+ byte[] buf = null;
+ int startPos = (int)pos - 1;
+ int endPos = startPos + length;
+
+ if((startPos > data_.length) || (startPos < 0) || (length < 0))
+ throw
TrafT4Messages.createSQLException(this.connection_.props_,
this.connection_.getLocale(),
+ "out_of_lob_bound_msg", null);
--- End diff --
should be "out_of_log_bound"
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