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Posted to commits@iotdb.apache.org by ja...@apache.org on 2021/05/21 01:23:02 UTC

[iotdb] 01/01: Fix group by bug

This is an automated email from the ASF dual-hosted git repository.

jackietien pushed a commit to branch GroupByBug11
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 40ece9e85c509741b39ea39e1a749b7a4e797f5b
Author: JackieTien97 <Ja...@foxmail.com>
AuthorDate: Thu May 20 19:06:48 2021 +0800

    Fix group by bug
---
 .../dataset/groupby/LocalGroupByExecutor.java      |   3 +
 .../iotdb/db/integration/IOTDBGroupByIT.java       |  21 +++-
 .../iotdb/db/integration/IoTDBGroupByUnseqIT.java  | 130 +++++++++++++++++++++
 3 files changed, 148 insertions(+), 6 deletions(-)

diff --git a/server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/LocalGroupByExecutor.java b/server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/LocalGroupByExecutor.java
index 6c86df5..43ea1a3 100644
--- a/server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/LocalGroupByExecutor.java
+++ b/server/src/main/java/org/apache/iotdb/db/query/dataset/groupby/LocalGroupByExecutor.java
@@ -315,6 +315,9 @@ public class LocalGroupByExecutor implements GroupByExecutor {
       // stop calc and cached current batchData
       if (ascending && batchData.currentTime() >= curEndTime) {
         preCachedData = batchData;
+        // reset the last position to current Index
+        lastReadCurArrayIndex = batchData.getReadCurArrayIndex();
+        lastReadCurListIndex = batchData.getReadCurListIndex();
         return true;
       }
 
diff --git a/server/src/test/java/org/apache/iotdb/db/integration/IOTDBGroupByIT.java b/server/src/test/java/org/apache/iotdb/db/integration/IOTDBGroupByIT.java
index c589416..2ee7232 100644
--- a/server/src/test/java/org/apache/iotdb/db/integration/IOTDBGroupByIT.java
+++ b/server/src/test/java/org/apache/iotdb/db/integration/IOTDBGroupByIT.java
@@ -19,6 +19,21 @@
 
 package org.apache.iotdb.db.integration;
 
+import static org.apache.iotdb.db.constant.TestConstant.avg;
+import static org.apache.iotdb.db.constant.TestConstant.count;
+import static org.apache.iotdb.db.constant.TestConstant.first_value;
+import static org.apache.iotdb.db.constant.TestConstant.last_value;
+import static org.apache.iotdb.db.constant.TestConstant.max_time;
+import static org.apache.iotdb.db.constant.TestConstant.max_value;
+import static org.apache.iotdb.db.constant.TestConstant.min_time;
+import static org.apache.iotdb.db.constant.TestConstant.min_value;
+import static org.apache.iotdb.db.constant.TestConstant.sum;
+import static org.junit.Assert.fail;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
 import org.apache.iotdb.db.conf.IoTDBDescriptor;
 import org.apache.iotdb.db.engine.compaction.CompactionStrategy;
 import org.apache.iotdb.db.utils.EnvironmentUtils;
@@ -28,11 +43,6 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.sql.*;
-
-import static org.apache.iotdb.db.constant.TestConstant.*;
-import static org.junit.Assert.fail;
-
 public class IOTDBGroupByIT {
 
 
@@ -123,7 +133,6 @@ public class IOTDBGroupByIT {
 
   @Test
   public void countSumAvgTest() {
-    System.out.println("countSumAvgTest");
     String[] retArray1 = new String[]{
         "5,3,35.8,11.933333333333332",
         "25,2,70.7,35.35",
diff --git a/server/src/test/java/org/apache/iotdb/db/integration/IoTDBGroupByUnseqIT.java b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBGroupByUnseqIT.java
new file mode 100644
index 0000000..a00c27e
--- /dev/null
+++ b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBGroupByUnseqIT.java
@@ -0,0 +1,130 @@
+/*
+ * 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.integration;
+
+import static org.apache.iotdb.db.constant.TestConstant.count;
+import static org.junit.Assert.fail;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import org.apache.iotdb.db.conf.IoTDBDescriptor;
+import org.apache.iotdb.db.utils.EnvironmentUtils;
+import org.apache.iotdb.jdbc.Config;
+import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class IoTDBGroupByUnseqIT {
+
+  private static String[] dataSet1 = new String[]{
+      "SET STORAGE GROUP TO root.sg1",
+      "CREATE TIMESERIES root.sg1.d1.s1 WITH DATATYPE=INT32, ENCODING=PLAIN",
+      "INSERT INTO root.sg1.d1(time,s1) values(1, 1)",
+      "INSERT INTO root.sg1.d1(time,s1) values(2, 2)",
+      "INSERT INTO root.sg1.d1(time,s1) values(3, 3)",
+      "INSERT INTO root.sg1.d1(time,s1) values(4, 4)",
+      "INSERT INTO root.sg1.d1(time,s1) values(8, 8)",
+      "INSERT INTO root.sg1.d1(time,s1) values(10, 10)",
+      "INSERT INTO root.sg1.d1(time,s1) values(11, 11)",
+      "INSERT INTO root.sg1.d1(time,s1) values(12, 12)",
+      "flush",
+      "INSERT INTO root.sg1.d1(time,s1) values(7, 7)",
+      "INSERT INTO root.sg1.d1(time,s1) values(9, 9)",
+      "flush"
+  };
+
+  private static final String TIMESTAMP_STR = "Time";
+
+  private boolean enableUnseqCompaction;
+  private int maxNumberOfPointsInPage;
+
+
+  @Before
+  public void setUp() throws Exception {
+    EnvironmentUtils.closeStatMonitor();
+    enableUnseqCompaction = IoTDBDescriptor.getInstance().getConfig().isEnableUnseqCompaction();
+    IoTDBDescriptor.getInstance().getConfig().setEnableUnseqCompaction(false);
+    maxNumberOfPointsInPage = TSFileDescriptor.getInstance().getConfig()
+        .getMaxNumberOfPointsInPage();
+    TSFileDescriptor.getInstance().getConfig().setMaxNumberOfPointsInPage(4);
+    EnvironmentUtils.envSetUp();
+    Class.forName(Config.JDBC_DRIVER_NAME);
+    prepareData();
+  }
+
+
+  private void prepareData() {
+    try (Connection connection = DriverManager
+        .getConnection(Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root",
+            "root");
+        Statement statement = connection.createStatement();) {
+
+      for (String sql : dataSet1) {
+        statement.execute(sql);
+      }
+
+    } catch (Exception e) {
+      e.printStackTrace();
+    }
+  }
+
+  @After
+  public void tearDown() throws Exception {
+    EnvironmentUtils.cleanEnv();
+    IoTDBDescriptor.getInstance().getConfig().setEnableUnseqCompaction(enableUnseqCompaction);
+    TSFileDescriptor.getInstance().getConfig().setMaxNumberOfPointsInPage(maxNumberOfPointsInPage);
+  }
+
+  @Test
+  public void test1() {
+    String[] retArray1 = new String[]{
+        "1,3",
+        "4,1",
+        "7,3",
+        "10,3",
+    };
+
+    try (Connection connection = DriverManager.
+        getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root");
+        Statement statement = connection.createStatement()) {
+      boolean hasResultSet = statement.execute(
+          "select count(s1) from root.sg1.d1 group by ([1, 13), 3ms)");
+
+      Assert.assertTrue(hasResultSet);
+      int cnt;
+      try (ResultSet resultSet = statement.getResultSet()) {
+        cnt = 0;
+        while (resultSet.next()) {
+          String ans = resultSet.getString(TIMESTAMP_STR) + "," + resultSet
+              .getString(count("root.sg1.d1.s1"));
+          Assert.assertEquals(retArray1[cnt], ans);
+          cnt++;
+        }
+        Assert.assertEquals(retArray1.length, cnt);
+      }
+    } catch (Exception e) {
+      e.printStackTrace();
+      fail(e.getMessage());
+    }
+  }
+}