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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/03/11 01:18:33 UTC

[GitHub] [iotdb] HTHou opened a new pull request #2802: [IOTDB-1199] Support aligned timeseries

HTHou opened a new pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802


   In some occasions, we may need to define aligned timeseries such as:
   
   ```
   create aligned timeseries root.sg.d1.(s1(alias1) FLOAT, s2 INT32) 
   with encoding=(RLE, Grollia), compression=SNAPPY
   ```
   


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[GitHub] [iotdb] samperson1997 commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
samperson1997 commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r611187862



##########
File path: server/src/main/java/org/apache/iotdb/db/exception/metadata/AlignedTimeseriesException.java
##########
@@ -0,0 +1,31 @@
+/*
+ * 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.db.exception.metadata;
+
+import org.apache.iotdb.rpc.TSStatusCode;
+
+public class AlignedTimeseriesException extends MetadataException {
+
+  public AlignedTimeseriesException(String message, String path) {
+    super(String.format("%s (Path: %s)", message, path));

Review comment:
       Currently we have two kinds of exception message:
   ```
   // Wrong using of parentheses for non-aligned timeseries
   Cannot get node of children in different aligned timeseries
   
   // Deleting part of aligned timeseies
   Not support deleting part of aligned timeseies! 
   ```




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[GitHub] [iotdb] samperson1997 commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
samperson1997 commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r611188115



##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/IMeasurementSchema.java
##########
@@ -0,0 +1,69 @@
+/*
+ * 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.write.schema;
+
+import org.apache.iotdb.tsfile.encoding.encoder.Encoder;
+import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.ByteBuffer;
+import java.util.List;
+import java.util.Map;
+
+public interface IMeasurementSchema {
+
+  String getMeasurementId();
+
+  CompressionType getCompressor();
+
+  TSEncoding getEncodingType();
+
+  TSDataType getType();
+
+  void setType(TSDataType dataType);
+
+  TSEncoding getTimeTSEncoding();
+
+  Encoder getTimeEncoder();
+
+  Encoder getValueEncoder();
+
+  Map<String, String> getProps();
+
+  List<String> getValueMeasurementIdList();
+
+  List<TSDataType> getValueTSDataTypeList();
+
+  List<TSEncoding> getValueTSEncodingList();
+
+  List<Encoder> getValueEncoderList();
+
+  int getMeasurementIdColumnIndex(String measurementId);
+
+  int serializeTo(ByteBuffer buffer);
+
+  int serializeTo(OutputStream outputStream) throws IOException;
+
+  int partialSerializeTo(ByteBuffer buffer);
+
+  int partialSerializeTo(OutputStream outputStream) throws IOException;

Review comment:
       Added by @LebronAl 




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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-815515710


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-823745502


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-816415580


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-819258295


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-817690137


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-820414332


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-814578710


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-818568413


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[GitHub] [iotdb] qiaojialin merged pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
qiaojialin merged pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802


   


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

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[GitHub] [iotdb] samperson1997 commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
samperson1997 commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r611188059



##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/MeasurementSchema.java
##########
@@ -272,6 +321,32 @@ public int serializeTo(ByteBuffer buffer) {
     return byteLen;
   }
 
+  @Override
+  public int partialSerializeTo(OutputStream outputStream) throws IOException {
+    int byteLen = 0;
+
+    byteLen += ReadWriteIOUtils.write((byte) 0, outputStream);

Review comment:
       To indicate that this is instance of MeasurementSchema, instead of VectorMeasurementSchema. Right, @LebronAl ?




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[GitHub] [iotdb] samperson1997 commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
samperson1997 commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r611204178



##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/Tablet.java
##########
@@ -96,15 +107,33 @@ public Tablet(String deviceId, List<MeasurementSchema> schemas, int maxRowNumber
     reset();
   }
 
+  public void setDeviceId(String deviceId) {
+    this.deviceId = deviceId;
+  }
+
   public void addTimestamp(int rowIndex, long timestamp) {
     timestamps[rowIndex] = timestamp;
   }
 
   public void addValue(String measurementId, int rowIndex, Object value) {
     int indexOfValue = measurementIndex.get(measurementId);
-    MeasurementSchema measurementSchema = schemas.get(indexOfValue);
+    IMeasurementSchema measurementSchema = schemas.get(indexOfValue);
 
-    switch (measurementSchema.getType()) {
+    if (measurementSchema.getType().equals(TSDataType.VECTOR)) {
+      for (int i = 0; i < measurementSchema.getValueMeasurementIdList().size(); i++) {
+        TSDataType dataType = measurementSchema.getValueTSDataTypeList().get(i);
+        addValueOfDataType(dataType, rowIndex, measurementIndex.get(measurementId), value);

Review comment:
       Fixed in #2992 : )

##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/Tablet.java
##########
@@ -96,15 +107,33 @@ public Tablet(String deviceId, List<MeasurementSchema> schemas, int maxRowNumber
     reset();
   }
 
+  public void setDeviceId(String deviceId) {
+    this.deviceId = deviceId;
+  }
+
   public void addTimestamp(int rowIndex, long timestamp) {
     timestamps[rowIndex] = timestamp;
   }
 
   public void addValue(String measurementId, int rowIndex, Object value) {
     int indexOfValue = measurementIndex.get(measurementId);
-    MeasurementSchema measurementSchema = schemas.get(indexOfValue);
+    IMeasurementSchema measurementSchema = schemas.get(indexOfValue);
 
-    switch (measurementSchema.getType()) {
+    if (measurementSchema.getType().equals(TSDataType.VECTOR)) {
+      for (int i = 0; i < measurementSchema.getValueMeasurementIdList().size(); i++) {
+        TSDataType dataType = measurementSchema.getValueTSDataTypeList().get(i);
+        addValueOfDataType(dataType, rowIndex, measurementIndex.get(measurementId), value);

Review comment:
       Fixed in PR #2992 : )




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Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-817484109


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[GitHub] [iotdb] qiaojialin commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
qiaojialin commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r608537321



##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/IMeasurementSchema.java
##########
@@ -0,0 +1,69 @@
+/*
+ * 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.write.schema;
+
+import org.apache.iotdb.tsfile.encoding.encoder.Encoder;
+import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.ByteBuffer;
+import java.util.List;
+import java.util.Map;
+
+public interface IMeasurementSchema {
+
+  String getMeasurementId();
+
+  CompressionType getCompressor();
+
+  TSEncoding getEncodingType();
+
+  TSDataType getType();
+
+  void setType(TSDataType dataType);
+
+  TSEncoding getTimeTSEncoding();
+
+  Encoder getTimeEncoder();
+
+  Encoder getValueEncoder();
+
+  Map<String, String> getProps();
+
+  List<String> getValueMeasurementIdList();
+
+  List<TSDataType> getValueTSDataTypeList();
+
+  List<TSEncoding> getValueTSEncodingList();
+
+  List<Encoder> getValueEncoderList();
+
+  int getMeasurementIdColumnIndex(String measurementId);
+
+  int serializeTo(ByteBuffer buffer);
+
+  int serializeTo(OutputStream outputStream) throws IOException;
+
+  int partialSerializeTo(ByteBuffer buffer);
+
+  int partialSerializeTo(OutputStream outputStream) throws IOException;

Review comment:
       add javadoc

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
##########
@@ -155,33 +177,50 @@ public void insertTablet(InsertTabletPlan insertTabletPlan, int start, int end)
 
   @Override
   public void write(
-      String deviceId,
-      String measurement,
-      MeasurementSchema schema,
-      long insertTime,
-      Object objectValue) {
-    IWritableMemChunk memSeries = createIfNotExistAndGet(deviceId, measurement, schema);
+      String deviceId, IMeasurementSchema schema, long insertTime, Object objectValue) {
+    IWritableMemChunk memSeries = createIfNotExistAndGet(deviceId, schema);
     memSeries.write(insertTime, objectValue);
   }
 
   @Override
   public void write(InsertTabletPlan insertTabletPlan, int start, int end) {
+    int columnIndex = 0;
     updatePlanIndexes(insertTabletPlan.getIndex());
     for (int i = 0; i < insertTabletPlan.getMeasurements().length; i++) {
-      if (insertTabletPlan.getColumns()[i] == null) {
+      if (insertTabletPlan.getColumns()[columnIndex] == null) {

Review comment:
       TODO: support insert partial columns

##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/Tablet.java
##########
@@ -96,15 +107,33 @@ public Tablet(String deviceId, List<MeasurementSchema> schemas, int maxRowNumber
     reset();
   }
 
+  public void setDeviceId(String deviceId) {
+    this.deviceId = deviceId;
+  }
+
   public void addTimestamp(int rowIndex, long timestamp) {
     timestamps[rowIndex] = timestamp;
   }
 
   public void addValue(String measurementId, int rowIndex, Object value) {
     int indexOfValue = measurementIndex.get(measurementId);
-    MeasurementSchema measurementSchema = schemas.get(indexOfValue);
+    IMeasurementSchema measurementSchema = schemas.get(indexOfValue);
 
-    switch (measurementSchema.getType()) {
+    if (measurementSchema.getType().equals(TSDataType.VECTOR)) {
+      for (int i = 0; i < measurementSchema.getValueMeasurementIdList().size(); i++) {
+        TSDataType dataType = measurementSchema.getValueTSDataTypeList().get(i);
+        addValueOfDataType(dataType, rowIndex, measurementIndex.get(measurementId), value);

Review comment:
       the value belongs to a single series, do not traverse all series in the vector

##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/MeasurementSchema.java
##########
@@ -272,6 +321,32 @@ public int serializeTo(ByteBuffer buffer) {
     return byteLen;
   }
 
+  @Override
+  public int partialSerializeTo(OutputStream outputStream) throws IOException {
+    int byteLen = 0;
+
+    byteLen += ReadWriteIOUtils.write((byte) 0, outputStream);

Review comment:
       what's this for?

##########
File path: server/src/main/java/org/apache/iotdb/db/exception/metadata/AlignedTimeseriesException.java
##########
@@ -0,0 +1,31 @@
+/*
+ * 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.db.exception.metadata;
+
+import org.apache.iotdb.rpc.TSStatusCode;
+
+public class AlignedTimeseriesException extends MetadataException {
+
+  public AlignedTimeseriesException(String message, String path) {
+    super(String.format("%s (Path: %s)", message, path));

Review comment:
       make this clear

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
##########
@@ -256,22 +295,43 @@ public boolean isEmpty() {
   public ReadOnlyMemChunk query(
       String deviceId,
       String measurement,
-      TSDataType dataType,
-      TSEncoding encoding,
-      Map<String, String> props,
+      IMeasurementSchema schema,

Review comment:
       check if the measurement is redundant @JackieTien97 

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/storagegroup/TsFileProcessor.java
##########
@@ -1055,16 +1129,12 @@ public String getStorageGroupName() {
    *
    * @param deviceId device id
    * @param measurementId measurements id
-   * @param dataType data type
-   * @param encoding encoding
    */
   @SuppressWarnings("squid:S3776") // Suppress high Cognitive Complexity warning
   public void query(
       String deviceId,
       String measurementId,
-      TSDataType dataType,
-      TSEncoding encoding,
-      Map<String, String> props,
+      IMeasurementSchema schema,

Review comment:
       check if the measurementId is redundant in schema




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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-815558801


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-816343949


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

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[GitHub] [iotdb] HTHou commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
HTHou commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r612158510



##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java
##########
@@ -163,35 +168,38 @@ public void endChunkGroup() throws IOException {
   /**
    * start a {@linkplain ChunkMetadata ChunkMetaData}.
    *
-   * @param measurementSchema - schema of this time series
+   * @param measurementId - measurementId of this time series
    * @param compressionCodecName - compression name of this time series
    * @param tsDataType - data type
    * @param statistics - Chunk statistics
    * @param dataSize - the serialized size of all pages
+   * @param mask - 0x80 for time chunk, 0x40 for value chunk, 0x00 for common chunk
    * @throws IOException if I/O error occurs
    */
   public void startFlushChunk(
-      MeasurementSchema measurementSchema,
+      String measurementId,
       CompressionType compressionCodecName,
       TSDataType tsDataType,
       TSEncoding encodingType,
       Statistics<?> statistics,
       int dataSize,
-      int numOfPages)
+      int numOfPages,
+      int mask)

Review comment:
       Use a byte?

##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/page/VectorChunkReader.java
##########
@@ -0,0 +1,21 @@
+/*
+ * 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.read.reader.page;
+
+public class VectorChunkReader {}

Review comment:
       Isn't it useless?




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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-814578710


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-817484109


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-817690137


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[GitHub] [iotdb] LebronAl commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
LebronAl commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r611286896



##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/MeasurementSchema.java
##########
@@ -272,6 +321,32 @@ public int serializeTo(ByteBuffer buffer) {
     return byteLen;
   }
 
+  @Override
+  public int partialSerializeTo(OutputStream outputStream) throws IOException {
+    int byteLen = 0;
+
+    byteLen += ReadWriteIOUtils.write((byte) 0, outputStream);

Review comment:
       yes, I have added javadoc in `IMeasurementSchema.java`




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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-820414332


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-823356164


   SonarCloud Quality Gate failed.
   
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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2802#issuecomment-818568413


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-815661289


   SonarCloud Quality Gate failed.
   
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-814626534


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#issuecomment-815723760


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[GitHub] [iotdb] HTHou commented on a change in pull request #2802: [IOTDB-1199] Support aligned timeseries and device template

Posted by GitBox <gi...@apache.org>.
HTHou commented on a change in pull request #2802:
URL: https://github.com/apache/iotdb/pull/2802#discussion_r606630345



##########
File path: server/src/main/java/org/apache/iotdb/db/utils/SerializeUtils.java
##########
@@ -229,29 +229,35 @@ public static void serializeBatchData(BatchData batchData, DataOutputStream outp
             outputStream.writeLong(batchData.getTimeByIndex(i));
             TsPrimitiveType[] values = batchData.getVectorByIndex(i);
             outputStream.writeInt(values.length);
-            for (int j = 0; j < values.length; j++) {
-              outputStream.write(values[j].getDataType().serialize());
-              switch (values[j].getDataType()) {
-                case BOOLEAN:
-                  outputStream.writeBoolean(values[j].getBoolean());
-                  break;
-                case DOUBLE:
-                  outputStream.writeDouble(values[j].getDouble());
-                  break;
-                case FLOAT:
-                  outputStream.writeFloat(values[j].getFloat());
-                  break;
-                case TEXT:
-                  Binary binary = values[j].getBinary();
-                  outputStream.writeInt(binary.getLength());
-                  outputStream.write(binary.getValues());
-                  break;
-                case INT64:
-                  outputStream.writeLong(values[j].getLong());
-                  break;
-                case INT32:
-                  outputStream.writeInt(values[j].getInt());
-                  break;
+            for (TsPrimitiveType value : values) {
+              outputStream.write(value == null ? 0 : 1);
+              if (value == null) {
+                outputStream.write(0);
+              } else {
+                outputStream.write(1);

Review comment:
       Is this a bug here?




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