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


The following commit(s) were added to refs/heads/clean by this push:
     new c8eafa837e5 ref
c8eafa837e5 is described below

commit c8eafa837e5bd75aa0df9d594d3d00942bf09b3f
Author: Caideyipi <[email protected]>
AuthorDate: Thu Jan 8 12:33:35 2026 +0800

    ref
---
 .../java/org/apache/iotdb/mqtt/MQTTClient.java     |  6 +--
 .../iotdb/AlignedTimeseriesSessionExample.java     |  6 ---
 .../main/java/org/apache/iotdb/SessionExample.java | 34 ++++++------
 .../java/org/apache/iotdb/SessionPoolExample.java  |  3 --
 .../iotdb/SyntaxConventionRelatedExample.java      | 12 ++---
 .../it/env/cluster/config/MppCommonConfig.java     |  3 --
 .../env/cluster/config/MppSharedCommonConfig.java  |  3 --
 .../apache/iotdb/db/it/GrafanaApiServiceIT.java    |  2 +-
 .../apache/iotdb/db/it/IoTDBDatetimeFormatIT.java  |  8 +--
 .../org/apache/iotdb/db/it/IoTDBDeletionIT.java    |  8 +--
 .../org/apache/iotdb/db/it/IoTDBExampleIT.java     | 14 ++---
 .../apache/iotdb/db/it/IoTDBLoadLastCacheIT.java   |  9 +---
 .../org/apache/iotdb/db/it/IoTDBLoadTsFileIT.java  | 49 -----------------
 .../schema/CNPhysicalPlanGenerator.java            |  7 ---
 .../confignode/persistence/schema/ConfigMTree.java | 15 +-----
 .../persistence/schema/ConfigMTreeTest.java        | 63 +++++++++-------------
 .../schemaregion/impl/SchemaRegionMemoryImpl.java  | 16 ------
 .../impl/mem/snapshot/MemMTreeSnapshotUtil.java    |  3 --
 .../db/tools/schema/SRStatementGenerator.java      |  3 --
 19 files changed, 61 insertions(+), 203 deletions(-)

diff --git a/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java 
b/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java
index d6527ef94a2..c84ead139be 100644
--- a/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java
+++ b/example/mqtt/src/main/java/org/apache/iotdb/mqtt/MQTTClient.java
@@ -67,12 +67,8 @@ public class MQTTClient {
     // publish a json array
     sb.insert(0, "[");
     sb.replace(sb.lastIndexOf(","), sb.length(), "]");
-<<<<<<< refs/remotes/upstream/clean
-    connection.publish("root.sg.d1.s1", sb.toString().getBytes(), 
QoS.AT_LEAST_ONCE, false);
-  }
-=======
     connection.publish("root.db.d1.s1", sb.toString().getBytes(), 
QoS.AT_LEAST_ONCE, false);
->>>>>>> local
+  }
 
   // The database must be created in advance
   private static void linePayloadFormatter(BlockingConnection connection) 
throws Exception {
diff --git 
a/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
 
b/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
index 6e459de589b..529212cf14c 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/AlignedTimeseriesSessionExample.java
@@ -384,13 +384,7 @@ public class AlignedTimeseriesSessionExample {
     schemaList.add(new MeasurementSchema("s1", TSDataType.INT64));
     schemaList.add(new MeasurementSchema("s2", TSDataType.INT32));
 
-<<<<<<< refs/remotes/upstream/clean
     Tablet tablet = new Tablet(ROOT_DB1_D1_VECTOR2, schemaList);
-=======
-    Tablet tablet = new Tablet(ROOT_DB1_D1_VECTOR2, schemaList);
-    long[] timestamps = tablet.timestamps;
-    Object[] values = tablet.values;
->>>>>>> local
 
     for (long time = 100; time < 200; time++) {
       int row = tablet.getRowSize();
diff --git a/example/session/src/main/java/org/apache/iotdb/SessionExample.java 
b/example/session/src/main/java/org/apache/iotdb/SessionExample.java
index e0484e96d56..fd422fdfd7c 100644
--- a/example/session/src/main/java/org/apache/iotdb/SessionExample.java
+++ b/example/session/src/main/java/org/apache/iotdb/SessionExample.java
@@ -244,12 +244,12 @@ public class SessionExample {
   private static void createMultiTimeseriesWithNullPartical()
       throws IoTDBConnectionException, StatementExecutionException {
 
-    if (!session.checkTimeseriesExists("root.sg1.d2.s16")
-        && !session.checkTimeseriesExists("root.sg1.d2.s17")) {
+    if (!session.checkTimeseriesExists("root.db1.d2.s16")
+        && !session.checkTimeseriesExists("root.db1.d2.s17")) {
       List<String> paths = new ArrayList<>();
-      paths.add("root.sg1.d2.s16");
-      paths.add("root.sg1.d2.s17");
-      paths.add("root.sg1.d2.s18");
+      paths.add("root.db1.d2.s16");
+      paths.add("root.db1.d2.s17");
+      paths.add("root.db1.d2.s18");
       List<TSDataType> tsDataTypes = new ArrayList<>();
       tsDataTypes.add(TSDataType.INT64);
       tsDataTypes.add(TSDataType.INT64);
@@ -585,12 +585,12 @@ public class SessionExample {
 
     Tablet tablet1 = new Tablet(ROOT_DB1_D1, schemaList, 100);
     Tablet tablet2 = new Tablet("root.db1.d2", schemaList, 100);
-    Tablet tablet3 = new Tablet("root.sg1.d3", schemaList, 100);
+    Tablet tablet3 = new Tablet("root.db1.d3", schemaList, 100);
 
     Map<String, Tablet> tabletMap = new HashMap<>();
     tabletMap.put(ROOT_DB1_D1, tablet1);
-    tabletMap.put("root.sg1.d2", tablet2);
-    tabletMap.put("root.sg1.d3", tablet3);
+    tabletMap.put("root.db1.d2", tablet2);
+    tabletMap.put("root.db1.d3", tablet3);
 
     long timestamp = System.currentTimeMillis();
     for (long row = 0; row < 100; row++) {
@@ -628,7 +628,7 @@ public class SessionExample {
    * write data of String type or Binary type.
    */
   private static void insertText() throws IoTDBConnectionException, 
StatementExecutionException {
-    String device = "root.sg1.text";
+    String device = "root.db1.text";
     // the first data is String type and the second data is Binary type
     List<Object> datas = Arrays.asList("String", new Binary("Binary", 
TSFileConfig.STRING_CHARSET));
     // insertRecord example
@@ -663,10 +663,10 @@ public class SessionExample {
 
   private static void selectInto() throws IoTDBConnectionException, 
StatementExecutionException {
     session.executeNonQueryStatement(
-        "select s1, s2, s3 into into_s1, into_s2, into_s3 from root.sg1.d1");
+        "select s1, s2, s3 into into_s1, into_s2, into_s3 from root.db1.d1");
 
     try (SessionDataSet dataSet =
-        session.executeQueryStatement("select into_s1, into_s2, into_s3 from 
root.sg1.d1")) {
+        session.executeQueryStatement("select into_s1, into_s2, into_s3 from 
root.db1.d1")) {
       System.out.println(dataSet.getColumnNames());
       while (dataSet.hasNext()) {
         System.out.println(dataSet.next());
@@ -806,7 +806,7 @@ public class SessionExample {
     List<String> paths = new ArrayList<>();
     paths.add(ROOT_DB1_D1_S1);
     paths.add(ROOT_DB1_D1_S2);
-    paths.add(ROOT_SG1_D1_S3);
+    paths.add(ROOT_DB1_D1_S3);
 
     List<TAggregationType> aggregations = new ArrayList<>();
     aggregations.add(TAggregationType.COUNT);
@@ -855,8 +855,8 @@ public class SessionExample {
         }
 
         // get third column
-        if (!iterator.isNull(ROOT_SG1_D1_S2)) {
-          builder.append(iterator.getLong(ROOT_SG1_D1_S2)).append(",");
+        if (!iterator.isNull(ROOT_DB1_D1_S2)) {
+          builder.append(iterator.getLong(ROOT_DB1_D1_S2)).append(",");
         } else {
           builder.append("null").append(",");
         }
@@ -869,8 +869,8 @@ public class SessionExample {
         }
 
         // get fifth column
-        if (!iterator.isNull(ROOT_SG1_D1_S4)) {
-          builder.append(iterator.getObject(ROOT_SG1_D1_S4));
+        if (!iterator.isNull(ROOT_DB1_D1_S4)) {
+          builder.append(iterator.getObject(ROOT_DB1_D1_S4));
         } else {
           builder.append("null");
         }
@@ -881,7 +881,7 @@ public class SessionExample {
   }
 
   private static void nonQuery() throws IoTDBConnectionException, 
StatementExecutionException {
-    session.executeNonQueryStatement("insert into root.sg1.d1(timestamp,s1) 
values(200, 1)");
+    session.executeNonQueryStatement("insert into root.db1.d1(timestamp,s1) 
values(200, 1)");
   }
 
   private static void setTimeout() throws IoTDBConnectionException {
diff --git 
a/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java 
b/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java
index 3d12f99c05d..9827f105fad 100644
--- a/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java
+++ b/example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java
@@ -101,8 +101,6 @@ public class SessionPoolExample {
     }
   }
 
-<<<<<<< refs/remotes/upstream/clean
-=======
   private static void queryByRowRecord() {
     for (int i = 0; i < 1; i++) {
       service.submit(
@@ -125,7 +123,6 @@ public class SessionPoolExample {
     }
   }
 
->>>>>>> local
   private static void queryByIterator() {
     for (int i = 0; i < 1; i++) {
       service.submit(
diff --git 
a/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
 
b/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
index 53066a214d7..248f2916f83 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java
@@ -72,10 +72,10 @@ public class SyntaxConventionRelatedExample {
 
   /**
    * if you want to create a time series named root.db1.a, a possible SQL 
statement would be like:
-   * create timeseries root.sg1.a with datatype=FLOAT, encoding=RLE The path 
should be written as
-   * "root.sg1.a".
+   * create timeseries root.db1.a with datatype=FLOAT, encoding=RLE The path 
should be written as
+   * "root.db1.a".
    */
-  private static final String ROOT_DB1_NORMAL_NODE_EXAMPLE = "root.sg1.a";
+  private static final String ROOT_DB1_NORMAL_NODE_EXAMPLE = "root.db1.a";
 
   public static void main(String[] args)
       throws IoTDBConnectionException, StatementExecutionException {
@@ -93,7 +93,7 @@ public class SyntaxConventionRelatedExample {
     session.setFetchSize(10000);
 
     try {
-      session.setStorageGroup("root.sg1");
+      session.setStorageGroup("root.db1");
     } catch (StatementExecutionException e) {
       if (e.getStatusCode() != 
TSStatusCode.PATH_ALREADY_EXIST.getStatusCode()) {
         throw e;
@@ -102,9 +102,9 @@ public class SyntaxConventionRelatedExample {
 
     // createTimeSeries
     createTimeSeries();
-    SessionDataSet dataSet = session.executeQueryStatement("show timeseries 
root.sg1.*");
+    SessionDataSet dataSet = session.executeQueryStatement("show timeseries 
root.db1.*");
     // the expected paths would be:
-    // [root.sg1.select, root.sg1.`111`, root.sg1.`a"b'c```, root.sg1.a]
+    // [root.db1.select, root.db1.`111`, root.db1.`a"b'c```, root.db1.a]
     // You could see that time series in dataSet are exactly the same as
     // the initial String you used as path. Node names consist of digits or 
contain special
     // characters are quoted with ``, both in SQL statement and in header of 
result dataset.
diff --git 
a/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppCommonConfig.java
 
b/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppCommonConfig.java
index cfdcce30c32..746f13f04c0 100644
--- 
a/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppCommonConfig.java
+++ 
b/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppCommonConfig.java
@@ -582,7 +582,6 @@ public class MppCommonConfig extends MppBaseConfig 
implements CommonConfig {
   @Override
   public CommonConfig setDefaultDatabaseLevel(int defaultDatabaseLevel) {
     setProperty("default_database_level", 
String.valueOf(defaultDatabaseLevel));
-<<<<<<< refs/remotes/upstream/clean
     return this;
   }
 
@@ -619,8 +618,6 @@ public class MppCommonConfig extends MppBaseConfig 
implements CommonConfig {
   @Override
   public CommonConfig setTrustStorePwd(String trustStorePwd) {
     setProperty("trust_store_pwd", trustStorePwd);
-=======
->>>>>>> local
     return this;
   }
 
diff --git 
a/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppSharedCommonConfig.java
 
b/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppSharedCommonConfig.java
index 9e72d5d9971..de15176c5f1 100644
--- 
a/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppSharedCommonConfig.java
+++ 
b/integration-test/src/main/java/org/apache/iotdb/it/env/cluster/config/MppSharedCommonConfig.java
@@ -605,7 +605,6 @@ public class MppSharedCommonConfig implements CommonConfig {
   public CommonConfig setDefaultDatabaseLevel(int defaultDatabaseLevel) {
     dnConfig.setDefaultDatabaseLevel(defaultDatabaseLevel);
     cnConfig.setDefaultDatabaseLevel(defaultDatabaseLevel);
-<<<<<<< refs/remotes/upstream/clean
     return this;
   }
 
@@ -620,8 +619,6 @@ public class MppSharedCommonConfig implements CommonConfig {
   public CommonConfig setEnableInternalSSL(boolean enableInternalSSL) {
     cnConfig.setEnableInternalSSL(enableInternalSSL);
     dnConfig.setEnableInternalSSL(enableInternalSSL);
-=======
->>>>>>> local
     return this;
   }
 
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
index ee0ee073c96..7fcb0d325e4 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/GrafanaApiServiceIT.java
@@ -140,7 +140,7 @@ public class GrafanaApiServiceIT {
     try {
       HttpPost httpPost = getHttpPost("http://127.0.0.1:"; + port + 
"/rest/v1/insertTablet");
       String json =
-          
"{\"timestamps\":[1635232143960,1635232153960],\"measurements\":[\"s4\",\"s5\"],\"dataTypes\":[\"INT32\",\"INT32\"],\"values\":[[11,2],[15,13]],\"isAligned\":false,\"deviceId\":\"root.sg25\"}";
+          
"{\"timestamps\":[1635232143960,1635232153960],\"measurements\":[\"s4\",\"s5\"],\"dataTypes\":[\"INT32\",\"INT32\"],\"values\":[[11,2],[15,13]],\"isAligned\":false,\"deviceId\":\"root.db25\"}";
       httpPost.setEntity(new StringEntity(json, Charset.defaultCharset()));
       for (int i = 0; i < 30; i++) {
         try {
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDatetimeFormatIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDatetimeFormatIT.java
index 68beb76121e..5f26d3d772d 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDatetimeFormatIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDatetimeFormatIT.java
@@ -121,16 +121,16 @@ public class IoTDBDatetimeFormatIT {
 
       statement.execute("CREATE TIMESERIES root.db.d1.s2 WITH DATATYPE=DOUBLE, 
ENCODING=PLAIN;");
 
-      statement.execute("insert into root.sg.d1(time,s2) values 
(1618283005586000, 8.76);");
-      statement.execute("select * from root.sg.d1;");
-      statement.execute("select * from root.sg.d1 where 
time=53251-05-07T17:06:26.000+08:00");
+      statement.execute("insert into root.db.d1(time,s2) values 
(1618283005586000, 8.76);");
+      statement.execute("select * from root.db.d1;");
+      statement.execute("select * from root.db.d1 where 
time=53251-05-07T17:06:26.000+08:00");
     } catch (SQLException e) {
       e.printStackTrace();
       fail();
     }
     try (Connection connection = EnvFactory.getEnv().getConnection();
         Statement statement = connection.createStatement()) {
-      statement.execute("insert into root.sg.d1(time,s2) values 
(16182830055860000000, 8.76);");
+      statement.execute("insert into root.db.d1(time,s2) values 
(16182830055860000000, 8.76);");
       fail();
     } catch (SQLException e) {
       Assert.assertTrue(
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDeletionIT.java 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDeletionIT.java
index 56215b63c48..fc976d5c95f 100644
--- a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDeletionIT.java
+++ b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBDeletionIT.java
@@ -385,14 +385,10 @@ public class IoTDBDeletionIT {
       statement.execute(
           "INSERT INTO root.ln10.wf01.wt01(Time,status) VALUES (2022-10-11 
10:20:50,true),(2022-10-11 10:20:51,true);");
       statement.execute(
-<<<<<<< refs/remotes/upstream/clean
-          "create timeseries root.sg10.wf01.wt01.status with 
datatype=BOOLEAN,encoding=PLAIN;");
-=======
-          "create timeseries root.db.wf01.wt01.status with 
datatype=BOOLEAN,encoding=PLAIN;");
->>>>>>> local
+          "create timeseries root.db10.wf01.wt01.status with 
datatype=BOOLEAN,encoding=PLAIN;");
 
       statement.execute(
-          "DELETE FROM root.ln10.wf01.wt01.status,root.sg.wf01.wt01.status 
WHERE time >2022-10-11 10:20:50;");
+          "DELETE FROM root.ln10.wf01.wt01.status,root.db.wf01.wt01.status 
WHERE time >2022-10-11 10:20:50;");
 
       try (ResultSet resultSet = statement.executeQuery("select ** from 
root.ln10")) {
         int cnt = 0;
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBExampleIT.java 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBExampleIT.java
index 32a33c322c2..1afa03a4ec9 100644
--- a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBExampleIT.java
+++ b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBExampleIT.java
@@ -55,19 +55,11 @@ public class IoTDBExampleIT {
     try (Connection connection = EnvFactory.getEnv().getConnection();
         Statement statement = connection.createStatement()) {
 
-<<<<<<< refs/remotes/upstream/clean
-      statement.execute("CREATE DATABASE root.sg");
-      try (ResultSet resultSet = statement.executeQuery("show databases 
root.sg")) {
-        if (resultSet.next()) {
-          String databasePath = 
resultSet.getString(ColumnHeaderConstant.DATABASE);
-          Assert.assertEquals("root.sg", databasePath);
-=======
       statement.execute("CREATE DATABASE root.db");
-      try (ResultSet resultSet = statement.executeQuery("show databases")) {
+      try (ResultSet resultSet = statement.executeQuery("show databases 
root.db")) {
         if (resultSet.next()) {
-          String storageGroupPath = 
resultSet.getString(ColumnHeaderConstant.DATABASE);
-          Assert.assertEquals("root.db", storageGroupPath);
->>>>>>> local
+          String databasePath = 
resultSet.getString(ColumnHeaderConstant.DATABASE);
+          Assert.assertEquals("root.db", databasePath);
         } else {
           Assert.fail("This ResultSet is empty.");
         }
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadLastCacheIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadLastCacheIT.java
index 3ca78f8843b..c9fd5889158 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadLastCacheIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadLastCacheIT.java
@@ -283,7 +283,7 @@ public class IoTDBLoadLastCacheIT {
 
   @Test
   public void testTableModelLoadWithLastCache() throws Exception {
-    final String database = SchemaConfig.DATABASE_0;
+    final String database = SchemaConfig.DATABASE;
     final String table = SchemaConfig.TABLE_0;
     final String measurement = 
SchemaConfig.MEASUREMENT_00.getMeasurementName();
 
@@ -581,15 +581,10 @@ public class IoTDBLoadLastCacheIT {
 
   private static class SchemaConfig {
 
-<<<<<<< refs/remotes/upstream/clean
-    private static final String DATABASE_0 = "db";
+    private static final String DATABASE = "db";
     private static final String TABLE_0 = "test";
-    private static final String STORAGE_GROUP_0 = "root.sg.test_0";
-    private static final String STORAGE_GROUP_1 = "root.sg.test_1";
-=======
     private static final String DATABASE_0 = "root.db.test_0";
     private static final String DATABASE_1 = "root.db.test_1";
->>>>>>> local
 
     // device 0, nonaligned, sg 0
     private static final String DEVICE_0 = "root.db.test_0.d_0";
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadTsFileIT.java 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadTsFileIT.java
index 022aabae759..6bc018bf7a8 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadTsFileIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBLoadTsFileIT.java
@@ -1059,50 +1059,6 @@ public class IoTDBLoadTsFileIT {
   }
 
   @Test
-<<<<<<< refs/remotes/upstream/clean
-=======
-  public void testAsyncLoadLocally() throws Exception {
-    registerSchema();
-
-    final long writtenPoint1;
-    // device 0, device 1, sg 0
-    try (final TsFileGenerator generator =
-        new TsFileGenerator(new File(tmpDir, "1-0-0-0.tsfile"))) {
-      generator.registerTimeseries(
-          SchemaConfig.DEVICE_0, 
Collections.singletonList(SchemaConfig.MEASUREMENT_00));
-      generator.generateData(SchemaConfig.DEVICE_0, 1, PARTITION_INTERVAL / 
10_000, false);
-      writtenPoint1 = generator.getTotalNumber();
-    }
-
-    try (final Connection connection = EnvFactory.getEnv().getConnection();
-        final Statement statement = connection.createStatement()) {
-
-      statement.execute(
-          String.format(
-              "load \"%s\" with ('async'='true','database-level'='2')", 
tmpDir.getAbsolutePath()));
-
-      for (int i = 0; i < 20; i++) {
-        try (final ResultSet resultSet =
-            statement.executeQuery("select count(*) from root.** group by 
level=1,2")) {
-          if (resultSet.next()) {
-            final long sg1Count = 
resultSet.getLong("count(root.db.test_0.*.*)");
-            Assert.assertEquals(writtenPoint1, sg1Count);
-          } else {
-            Assert.fail("This ResultSet is empty.");
-          }
-        } catch (final Throwable e) {
-          if (i < 19) {
-            Thread.sleep(1000);
-          } else {
-            throw e;
-          }
-        }
-      }
-    }
-  }
-
-  @Test
->>>>>>> local
   @Ignore("Load with conversion is currently banned")
   public void testLoadWithConvertOnTypeMismatchForTreeModel() throws Exception 
{
 
@@ -1172,13 +1128,8 @@ public class IoTDBLoadTsFileIT {
   }
 
   private static class SchemaConfig {
-<<<<<<< refs/remotes/upstream/clean
-    private static final String DATABASE_0 = "root.sg.test_0";
-    private static final String DATABASE_1 = "root.sg.test_1";
-=======
     private static final String DATABASE_0 = "root.db.test_0";
     private static final String DATABASE_1 = "root.db.test_1";
->>>>>>> local
 
     // device 0, nonaligned, sg 0
     private static final String DEVICE_0 = "root.db.test_0.d_0";
diff --git 
a/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/CNPhysicalPlanGenerator.java
 
b/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/CNPhysicalPlanGenerator.java
index 5bb9a485ffe..f36bd5fffbf 100644
--- 
a/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/CNPhysicalPlanGenerator.java
+++ 
b/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/CNPhysicalPlanGenerator.java
@@ -76,11 +76,7 @@ import java.util.Stack;
 import static org.apache.iotdb.commons.conf.IoTDBConstant.PATH_ROOT;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.DATABASE_MNODE_TYPE;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.INTERNAL_MNODE_TYPE;
-<<<<<<< refs/remotes/upstream/clean
 import static org.apache.iotdb.commons.schema.SchemaConstant.TABLE_MNODE_TYPE;
-=======
-import static org.apache.iotdb.commons.utils.IOUtils.readAuthString;
->>>>>>> local
 import static org.apache.iotdb.commons.utils.IOUtils.readString;
 
 public class CNPhysicalPlanGenerator
@@ -444,11 +440,8 @@ public class CNPhysicalPlanGenerator
       IConfigMNode internalMNode;
       ConfigTableNode tableNode;
 
-<<<<<<< refs/remotes/upstream/clean
       final Set<TsTable> tableSet = new HashSet<>();
 
-=======
->>>>>>> local
       if (type == DATABASE_MNODE_TYPE) {
         databaseMNode = deserializeDatabaseMNode(bufferedInputStream);
         name = databaseMNode.getName();
diff --git 
a/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTree.java
 
b/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTree.java
index 0ccd0d201b6..31ae35d0363 100644
--- 
a/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTree.java
+++ 
b/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTree.java
@@ -96,12 +96,9 @@ import static 
org.apache.iotdb.commons.schema.SchemaConstant.ALL_TEMPLATE;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.DATABASE_MNODE_TYPE;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.INTERNAL_MNODE_TYPE;
 import static org.apache.iotdb.commons.schema.SchemaConstant.NON_TEMPLATE;
-<<<<<<< refs/remotes/upstream/clean
 import static org.apache.iotdb.commons.schema.SchemaConstant.ROOT;
 import static org.apache.iotdb.commons.schema.SchemaConstant.TABLE_MNODE_TYPE;
 import static org.apache.iotdb.commons.schema.table.TsTable.TIME_COLUMN_NAME;
-=======
->>>>>>> local
 
 // Since the ConfigMTree is all stored in memory, thus it is not restricted to 
manage MNode through
 // MTreeStore.
@@ -1121,22 +1118,12 @@ public class ConfigMTree {
   }
 
   private void serializeDatabaseNode(
-<<<<<<< refs/remotes/upstream/clean
-      final IDatabaseMNode<IConfigMNode> storageGroupNode, final OutputStream 
outputStream)
-      throws IOException {
-    serializeChildren(storageGroupNode.getAsMNode(), outputStream);
-
-    ReadWriteIOUtils.write(DATABASE_MNODE_TYPE, outputStream);
-    ReadWriteIOUtils.write(storageGroupNode.getName(), outputStream);
-    
ReadWriteIOUtils.write(storageGroupNode.getAsMNode().getSchemaTemplateId(), 
outputStream);
-=======
-      IDatabaseMNode<IConfigMNode> databaseNode, OutputStream outputStream) 
throws IOException {
+      final IDatabaseMNode<IConfigMNode> databaseNode, final OutputStream 
outputStream) throws IOException {
     serializeChildren(databaseNode.getAsMNode(), outputStream);
 
     ReadWriteIOUtils.write(DATABASE_MNODE_TYPE, outputStream);
     ReadWriteIOUtils.write(databaseNode.getName(), outputStream);
     ReadWriteIOUtils.write(databaseNode.getAsMNode().getSchemaTemplateId(), 
outputStream);
->>>>>>> local
     ThriftConfigNodeSerDeUtils.serializeTDatabaseSchema(
         databaseNode.getAsMNode().getDatabaseSchema(), outputStream);
   }
diff --git 
a/iotdb-core/confignode/src/test/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTreeTest.java
 
b/iotdb-core/confignode/src/test/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTreeTest.java
index d70bc0d1ff7..b5138c1d75e 100644
--- 
a/iotdb-core/confignode/src/test/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTreeTest.java
+++ 
b/iotdb-core/confignode/src/test/java/org/apache/iotdb/confignode/persistence/schema/ConfigMTreeTest.java
@@ -186,23 +186,22 @@ public class ConfigMTreeTest {
   @Test
   public void testIllegalStorageGroup() {
     try {
-      root.setStorageGroup(new PartialPath("root.\"sg.ln\""));
+      root.setStorageGroup(new PartialPath("root.\"db.ln\""));
     } catch (final MetadataException e) {
-      Assert.assertEquals("root.\"sg.ln\" is not a legal path", 
e.getMessage());
+      Assert.assertEquals("root.\"db.ln\" is not a legal path", 
e.getMessage());
     }
   }
 
   @Test
   public void testCountStorageGroup() throws MetadataException {
     root.setStorageGroup(new PartialPath("1"));
-    root.setStorageGroup(new PartialPath("root.a.sg1"));
-    root.setStorageGroup(new PartialPath("root.a.b.sg1"));
+    root.setStorageGroup(new PartialPath("root.a.db1"));
+    root.setStorageGroup(new PartialPath("root.a.b.db1"));
     root.setStorageGroup(new PartialPath("root.db2"));
-    root.setStorageGroup(new PartialPath("root.a.sg2"));
+    root.setStorageGroup(new PartialPath("root.a.db2"));
     root.setStorageGroup(new PartialPath("root.db3"));
-    root.setStorageGroup(new PartialPath("root.a.b.sg3"));
+    root.setStorageGroup(new PartialPath("root.a.b.db3"));
 
-<<<<<<< refs/remotes/upstream/clean
     assertEquals(7, root.getDatabaseNum(new PartialPath("root.**"), 
ALL_MATCH_SCOPE, false, false));
     assertEquals(3, root.getDatabaseNum(new PartialPath("root.*"), 
ALL_MATCH_SCOPE, false, false));
     assertEquals(
@@ -210,23 +209,13 @@ public class ConfigMTreeTest {
     assertEquals(
         2, root.getDatabaseNum(new PartialPath("root.*.*.*"), ALL_MATCH_SCOPE, 
false, false));
     assertEquals(
-        1, root.getDatabaseNum(new PartialPath("root.*.sg1"), ALL_MATCH_SCOPE, 
false, false));
+        1, root.getDatabaseNum(new PartialPath("root.*.db1"), ALL_MATCH_SCOPE, 
false, false));
     assertEquals(
-        2, root.getDatabaseNum(new PartialPath("root.**.sg1"), 
ALL_MATCH_SCOPE, false, false));
+        2, root.getDatabaseNum(new PartialPath("root.**.db1"), 
ALL_MATCH_SCOPE, false, false));
     assertEquals(
-        1, root.getDatabaseNum(new PartialPath("root.sg3"), ALL_MATCH_SCOPE, 
false, false));
+        1, root.getDatabaseNum(new PartialPath("root.db3"), ALL_MATCH_SCOPE, 
false, false));
     assertEquals(
         2, root.getDatabaseNum(new PartialPath("root.*.b.*"), ALL_MATCH_SCOPE, 
false, false));
-=======
-    assertEquals(7, root.getDatabaseNum(new PartialPath("root.**"), 
ALL_MATCH_SCOPE, false));
-    assertEquals(3, root.getDatabaseNum(new PartialPath("root.*"), 
ALL_MATCH_SCOPE, false));
-    assertEquals(2, root.getDatabaseNum(new PartialPath("root.*.*"), 
ALL_MATCH_SCOPE, false));
-    assertEquals(2, root.getDatabaseNum(new PartialPath("root.*.*.*"), 
ALL_MATCH_SCOPE, false));
-    assertEquals(1, root.getDatabaseNum(new PartialPath("root.*.sg1"), 
ALL_MATCH_SCOPE, false));
-    assertEquals(2, root.getDatabaseNum(new PartialPath("root.**.sg1"), 
ALL_MATCH_SCOPE, false));
-    assertEquals(1, root.getDatabaseNum(new PartialPath("root.db3"), 
ALL_MATCH_SCOPE, false));
-    assertEquals(2, root.getDatabaseNum(new PartialPath("root.*.b.*"), 
ALL_MATCH_SCOPE, false));
->>>>>>> local
   }
 
   @Test
@@ -272,14 +261,10 @@ public class ConfigMTreeTest {
   public void testSerialization() throws Exception {
     final PartialPath[] pathList =
         new PartialPath[] {
-<<<<<<< refs/remotes/upstream/clean
           new PartialPath("root.`root`"),
-=======
-          new PartialPath("root.db"),
->>>>>>> local
-          new PartialPath("root.a.sg"),
-          new PartialPath("root.a.b.sg"),
-          new PartialPath("root.a.a.b.sg")
+          new PartialPath("root.a.db"),
+          new PartialPath("root.a.b.db"),
+          new PartialPath("root.a.a.b.db")
         };
     for (int i = 0; i < pathList.length; i++) {
       root.setStorageGroup(pathList[i]);
@@ -310,22 +295,22 @@ public class ConfigMTreeTest {
 
     assertEquals(
         3,
-        newTree.getMatchedDatabases(new PartialPath("root.**.sg"), 
ALL_MATCH_SCOPE, false).size());
+        newTree.getMatchedDatabases(new PartialPath("root.**.db"), 
ALL_MATCH_SCOPE, false).size());
     assertEquals(
         2,
         newTree
-            .getMatchedDatabases(new PartialPath("root.**.b.sg"), 
ALL_MATCH_SCOPE, false)
+            .getMatchedDatabases(new PartialPath("root.**.b.db"), 
ALL_MATCH_SCOPE, false)
             .size());
     assertEquals(
         1,
-        newTree.getMatchedDatabases(new PartialPath("root.*.*.sg"), 
ALL_MATCH_SCOPE, false).size());
+        newTree.getMatchedDatabases(new PartialPath("root.*.*.db"), 
ALL_MATCH_SCOPE, false).size());
     assertEquals(
         3, newTree.getMatchedDatabases(new PartialPath("root.a"), 
ALL_MATCH_SCOPE, true).size());
     assertEquals(
         1, newTree.getMatchedDatabases(new PartialPath("root.a.b"), 
ALL_MATCH_SCOPE, true).size());
     assertEquals(
         1,
-        newTree.getMatchedDatabases(new PartialPath("root.a.b.sg"), 
ALL_MATCH_SCOPE, true).size());
+        newTree.getMatchedDatabases(new PartialPath("root.a.b.db"), 
ALL_MATCH_SCOPE, true).size());
   }
 
   @Test
@@ -334,10 +319,10 @@ public class ConfigMTreeTest {
 
     final PartialPath[] pathList =
         new PartialPath[] {
-          new PartialPath("root.sg"),
-          new PartialPath("root.a.sg"),
-          new PartialPath("root.a.b.sg"),
-          new PartialPath("root.a.a.b.sg")
+          new PartialPath("root.db"),
+          new PartialPath("root.a.db"),
+          new PartialPath("root.a.b.db"),
+          new PartialPath("root.a.a.b.db")
         };
 
     for (int i = 0; i < pathList.length; i++) {
@@ -384,22 +369,22 @@ public class ConfigMTreeTest {
 
     assertEquals(
         3,
-        newTree.getMatchedDatabases(new PartialPath("root.**.sg"), 
ALL_MATCH_SCOPE, false).size());
+        newTree.getMatchedDatabases(new PartialPath("root.**.db"), 
ALL_MATCH_SCOPE, false).size());
     assertEquals(
         2,
         newTree
-            .getMatchedDatabases(new PartialPath("root.**.b.sg"), 
ALL_MATCH_SCOPE, false)
+            .getMatchedDatabases(new PartialPath("root.**.b.db"), 
ALL_MATCH_SCOPE, false)
             .size());
     assertEquals(
         1,
-        newTree.getMatchedDatabases(new PartialPath("root.*.*.sg"), 
ALL_MATCH_SCOPE, false).size());
+        newTree.getMatchedDatabases(new PartialPath("root.*.*.db"), 
ALL_MATCH_SCOPE, false).size());
     assertEquals(
         3, newTree.getMatchedDatabases(new PartialPath("root.a"), 
ALL_MATCH_SCOPE, true).size());
     assertEquals(
         1, newTree.getMatchedDatabases(new PartialPath("root.a.b"), 
ALL_MATCH_SCOPE, true).size());
     assertEquals(
         1,
-        newTree.getMatchedDatabases(new PartialPath("root.a.b.sg"), 
ALL_MATCH_SCOPE, true).size());
+        newTree.getMatchedDatabases(new PartialPath("root.a.b.db"), 
ALL_MATCH_SCOPE, true).size());
 
     for (int i = 0; i < pathList.length; i++) {
       final List<TsTable> tables = 
newTree.getAllUsingTablesUnderSpecificDatabase(pathList[i]);
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
index fbbd3155070..74ec5d87bf2 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
@@ -200,12 +200,9 @@ public class SchemaRegionMemoryImpl implements 
ISchemaRegion {
 
   private final String databaseDirPath;
   private final String schemaRegionDirPath;
-<<<<<<< refs/remotes/upstream/clean
 
   // For table model db: without "root."
   // For tree model db: with "root."
-=======
->>>>>>> local
   private final String databaseFullPath;
   private final SchemaRegionId schemaRegionId;
 
@@ -227,11 +224,7 @@ public class SchemaRegionMemoryImpl implements 
ISchemaRegion {
   public SchemaRegionMemoryImpl(final ISchemaRegionParams schemaRegionParams)
       throws MetadataException {
 
-<<<<<<< refs/remotes/upstream/clean
     databaseFullPath = schemaRegionParams.getDatabase();
-=======
-    databaseFullPath = schemaRegionParams.getDatabase().getFullPath();
->>>>>>> local
     this.schemaRegionId = schemaRegionParams.getSchemaRegionId();
 
     databaseDirPath = config.getSchemaDir() + File.separator + 
databaseFullPath;
@@ -283,11 +276,7 @@ public class SchemaRegionMemoryImpl implements 
ISchemaRegion {
       tagManager = new TagManager(schemaRegionDirPath, regionStatistics);
       mTree =
           new MTreeBelowSGMemoryImpl(
-<<<<<<< refs/remotes/upstream/clean
               PartialPath.getQualifiedDatabasePartialPath(databaseFullPath),
-=======
-              new PartialPath(databaseFullPath),
->>>>>>> local
               tagManager::readTags,
               tagManager::readAttributes,
               regionStatistics,
@@ -413,12 +402,7 @@ public class SchemaRegionMemoryImpl implements 
ISchemaRegion {
             databaseFullPath);
         return idx;
       } catch (final Exception e) {
-<<<<<<< refs/remotes/upstream/clean
-        throw new IOException("Failed to parse " + databaseFullPath + " 
mlog.bin", e);
-=======
-        e.printStackTrace();
         throw new IOException("Failed to parse " + databaseFullPath + " 
mlog.bin for err:" + e);
->>>>>>> local
       }
     } else {
       return 0;
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/snapshot/MemMTreeSnapshotUtil.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/snapshot/MemMTreeSnapshotUtil.java
index 7749d65aafe..71d78712afb 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/snapshot/MemMTreeSnapshotUtil.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/snapshot/MemMTreeSnapshotUtil.java
@@ -62,10 +62,7 @@ import static 
org.apache.iotdb.commons.schema.SchemaConstant.INTERNAL_MNODE_TYPE
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.LOGICAL_VIEW_MNODE_TYPE;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.MEASUREMENT_MNODE_TYPE;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.STORAGE_GROUP_ENTITY_MNODE_TYPE;
-<<<<<<< refs/remotes/upstream/clean
 import static org.apache.iotdb.commons.schema.SchemaConstant.TABLE_MNODE_TYPE;
-=======
->>>>>>> local
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.isStorageGroupType;
 
 public class MemMTreeSnapshotUtil {
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/tools/schema/SRStatementGenerator.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/tools/schema/SRStatementGenerator.java
index fd11448dc51..239b55b521b 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/tools/schema/SRStatementGenerator.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/tools/schema/SRStatementGenerator.java
@@ -77,10 +77,7 @@ import static 
org.apache.iotdb.commons.schema.SchemaConstant.INTERNAL_MNODE_TYPE
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.LOGICAL_VIEW_MNODE_TYPE;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.MEASUREMENT_MNODE_TYPE;
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.STORAGE_GROUP_ENTITY_MNODE_TYPE;
-<<<<<<< refs/remotes/upstream/clean
 import static org.apache.iotdb.commons.schema.SchemaConstant.TABLE_MNODE_TYPE;
-=======
->>>>>>> local
 import static 
org.apache.iotdb.commons.schema.SchemaConstant.isStorageGroupType;
 import static 
org.apache.iotdb.db.schemaengine.schemaregion.tag.TagLogFile.parseByteBuffer;
 


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