#9867

Committed 18 Aug 2023 06:05AM UTC coverage: 48.003% (-0.08%) from 48.081%

Build # #9867

Build Type

push

travis_ci

Committed by

web-flow

Commit Message

[To rel/1.2] [IOTDB-6115] Fix Limit & Offset push down doesn't take effect while there exist null value

Run Details

103 of 103 new or added lines in 23 files covered. (100.0%)

79802 of 166243 relevant lines covered (48.0%)

0.48 hits per line

Source File
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66.67

/iotdb-core/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/PublicBAOS.java

/*
 * 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.
 */

package org.apache.iotdb.tsfile.utils;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;

/**
 * A subclass extending <code>ByteArrayOutputStream</code>. It's used to return the byte array
 * directly. Note that the size of byte array is large than actual size of valid contents, thus it's
 * used cooperating with <code>size()</code> or <code>capacity = size</code>
 */
public class PublicBAOS extends ByteArrayOutputStream {

  public PublicBAOS() {
    super();
  }

  public PublicBAOS(int size) {
    super(size);
  }

  /**
   * get current all bytes data
   *
   * @return all bytes data
   */
  public byte[] getBuf() {

    return this.buf;
  }

  /**
   * It's not a thread-safe method. Override the super class's implementation. Remove the
   * synchronized key word, to save the synchronization overhead.
   *
   * <p>Writes the complete contents of this byte array output stream to the specified output stream
   * argument, as if by calling the output stream's write method using <code>
   * out.write(buf, 0, count)</code>.
   *
   * @param out the output stream to which to write the data.
   * @exception IOException if an I/O error occurs.
   */
  @Override
  @SuppressWarnings("squid:S3551")
  public void writeTo(OutputStream out) throws IOException {
    out.write(buf, 0, count);
  }

  /**
   * It's not a thread-safe method. Override the super class's implementation. Remove the
   * synchronized key word, to save the synchronization overhead.
   *
   * <p>Resets the <code>count</code> field of this byte array output stream to zero, so that all
   * currently accumulated output in the output stream is discarded. The output stream can be used
   * again, reusing the already allocated buffer space.
   */
  @Override
  @SuppressWarnings("squid:S3551")
  public void reset() {
    count = 0;
  }

  /**
   * The synchronized keyword in this function is intentionally removed. For details, see
   * https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=173085039
   */
  @Override
  @SuppressWarnings("squid:S3551")
  public int size() {
    return count;
  }

  public void truncate(int size) {
    count = size;
  }
}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one
3	* or more contributor license agreements. See the NOTICE file
4	* distributed with this work for additional information
5	* regarding copyright ownership. The ASF licenses this file
6	* to you under the Apache License, Version 2.0 (the
7	* "License"); you may not use this file except in compliance
8	* with the License. You may obtain a copy of the License at
9	*
10	* http://www.apache.org/licenses/LICENSE-2.0
11	*
12	* Unless required by applicable law or agreed to in writing,
13	* software distributed under the License is distributed on an
14	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15	* KIND, either express or implied. See the License for the
16	* specific language governing permissions and limitations
17	* under the License.
18	*/
19
20	package org.apache.iotdb.tsfile.utils;
21
22	import java.io.ByteArrayOutputStream;
23	import java.io.IOException;
24	import java.io.OutputStream;
25
26	/**
27	* A subclass extending <code>ByteArrayOutputStream</code>. It's used to return the byte array
28	* directly. Note that the size of byte array is large than actual size of valid contents, thus it's
29	* used cooperating with <code>size()</code> or <code>capacity = size</code>
30	*/
31	public class PublicBAOS extends ByteArrayOutputStream {
32
33	public PublicBAOS() {
34	super();	1✔
35	}	1✔
36
37	public PublicBAOS(int size) {
38	super(size);	×
39	}	×
40
41	/**
42	* get current all bytes data
43	*
44	* @return all bytes data
45	*/
46	public byte[] getBuf() {
47
48	return this.buf;	1✔
49	}
50
51	/**
52	* It's not a thread-safe method. Override the super class's implementation. Remove the
53	* synchronized key word, to save the synchronization overhead.
54	*
55	* <p>Writes the complete contents of this byte array output stream to the specified output stream
56	* argument, as if by calling the output stream's write method using <code>
57	* out.write(buf, 0, count)</code>.
58	*
59	* @param out the output stream to which to write the data.
60	* @exception IOException if an I/O error occurs.
61	*/
62	@Override
63	@SuppressWarnings("squid:S3551")
64	public void writeTo(OutputStream out) throws IOException {
65	out.write(buf, 0, count);	1✔
66	}	1✔
67
68	/**
69	* It's not a thread-safe method. Override the super class's implementation. Remove the
70	* synchronized key word, to save the synchronization overhead.
71	*
72	* <p>Resets the <code>count</code> field of this byte array output stream to zero, so that all
73	* currently accumulated output in the output stream is discarded. The output stream can be used
74	* again, reusing the already allocated buffer space.
75	*/
76	@Override
77	@SuppressWarnings("squid:S3551")
78	public void reset() {
79	count = 0;	1✔
80	}	1✔
81
82	/**
83	* The synchronized keyword in this function is intentionally removed. For details, see
84	* https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=173085039
85	*/
86	@Override
87	@SuppressWarnings("squid:S3551")
88	public int size() {
89	return count;	1✔
90	}
91
92	public void truncate(int size) {
93	count = size;	×
94	}	×
95	}

apache / iotdb / #9867

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