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


The following commit(s) were added to refs/heads/master by this push:
     new a53f960e25c Fix the duplicate literals using the constant (#17274)
a53f960e25c is described below

commit a53f960e25c09aec6e82ae0142b4658011888c90
Author: Anukalp Pandey <[email protected]>
AuthorDate: Thu Mar 12 09:19:16 2026 +0530

    Fix the duplicate literals using the constant (#17274)
---
 .../src/main/java/org/apache/iotdb/TableModelJDBCExample.java    | 7 ++++---
 .../src/main/java/org/apache/iotdb/TableModelSessionExample.java | 7 ++++---
 .../main/java/org/apache/iotdb/TableModelSessionPoolExample.java | 9 +++++----
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git 
a/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java 
b/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java
index 49619b5639c..5272011f5d6 100644
--- a/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java
+++ b/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java
@@ -34,6 +34,7 @@ import java.sql.Statement;
 public class TableModelJDBCExample {
 
   private static final Logger LOGGER = 
LoggerFactory.getLogger(TableModelJDBCExample.class);
+  private static final String SHOW_TABLES = "SHOW TABLES";
 
   public static void main(String[] args) throws ClassNotFoundException, 
SQLException {
     Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
@@ -57,7 +58,7 @@ public class TableModelJDBCExample {
           "create table table2(region_id STRING TAG, plant_id STRING TAG, 
color STRING ATTRIBUTE, temperature FLOAT FIELD, speed DOUBLE FIELD) with 
(TTL=6600000)");
 
       // show tables from current database
-      try (ResultSet resultSet = statement.executeQuery("SHOW TABLES")) {
+      try (ResultSet resultSet = statement.executeQuery(SHOW_TABLES)) {
         ResultSetMetaData metaData = resultSet.getMetaData();
         System.out.println(metaData.getColumnCount());
         while (resultSet.next()) {
@@ -85,7 +86,7 @@ public class TableModelJDBCExample {
                 "jdbc:iotdb://127.0.0.1:6667/test1?sql_dialect=table", "root", 
"root");
         Statement statement = connection.createStatement()) {
       // show tables from current database test1
-      try (ResultSet resultSet = statement.executeQuery("SHOW TABLES")) {
+      try (ResultSet resultSet = statement.executeQuery(SHOW_TABLES)) {
         ResultSetMetaData metaData = resultSet.getMetaData();
         System.out.println(metaData.getColumnCount());
         while (resultSet.next()) {
@@ -96,7 +97,7 @@ public class TableModelJDBCExample {
       // change database to test2
       statement.execute("use test2");
 
-      try (ResultSet resultSet = statement.executeQuery("SHOW TABLES")) {
+      try (ResultSet resultSet = statement.executeQuery(SHOW_TABLES)) {
         ResultSetMetaData metaData = resultSet.getMetaData();
         System.out.println(metaData.getColumnCount());
         while (resultSet.next()) {
diff --git 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java
index 981c9d366a0..93ce285976d 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionExample.java
@@ -39,6 +39,7 @@ import static org.apache.iotdb.SessionExample.printDataSet;
 public class TableModelSessionExample {
 
   private static final String LOCAL_URL = "127.0.0.1:6667";
+  private static final String SHOW_TABLES = "SHOW TABLES";
 
   public static void main(String[] args) {
 
@@ -63,7 +64,7 @@ public class TableModelSessionExample {
           "create table table2(region_id STRING TAG, plant_id STRING TAG, 
color STRING ATTRIBUTE, temperature FLOAT FIELD, speed DOUBLE FIELD) with 
(TTL=6600000)");
 
       // show tables from current database
-      try (SessionDataSet dataSet = session.executeQueryStatement("SHOW 
TABLES")) {
+      try (SessionDataSet dataSet = 
session.executeQueryStatement(SHOW_TABLES)) {
         System.out.println(dataSet.getColumnNames());
         while (dataSet.hasNext()) {
           System.out.println(dataSet.next());
@@ -140,7 +141,7 @@ public class TableModelSessionExample {
             .build()) {
 
       // show tables from current database
-      try (SessionDataSet dataSet = session.executeQueryStatement("SHOW 
TABLES")) {
+      try (SessionDataSet dataSet = 
session.executeQueryStatement(SHOW_TABLES)) {
         printDataSet(dataSet);
       }
 
@@ -149,7 +150,7 @@ public class TableModelSessionExample {
 
       // show tables by specifying another database
       // using SHOW tables FROM
-      try (SessionDataSet dataSet = session.executeQueryStatement("SHOW 
TABLES")) {
+      try (SessionDataSet dataSet = 
session.executeQueryStatement(SHOW_TABLES)) {
         printDataSet(dataSet);
       }
 
diff --git 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
index cbf404b9676..44e661216af 100644
--- 
a/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
+++ 
b/example/session/src/main/java/org/apache/iotdb/TableModelSessionPoolExample.java
@@ -40,6 +40,7 @@ import static org.apache.iotdb.SessionExample.printDataSet;
 public class TableModelSessionPoolExample {
 
   private static final String LOCAL_URL = "127.0.0.1:6667";
+  private static final String SHOW_TABLES = "SHOW TABLES";
 
   public static void main(String[] args) {
 
@@ -78,7 +79,7 @@ public class TableModelSessionPoolExample {
               + "speed DOUBLE FIELD) with (TTL=6600000)");
 
       // show tables from current database
-      try (SessionDataSet dataSet = session.executeQueryStatement("SHOW 
TABLES")) {
+      try (SessionDataSet dataSet = 
session.executeQueryStatement(SHOW_TABLES)) {
         printDataSet(dataSet);
       }
 
@@ -157,7 +158,7 @@ public class TableModelSessionPoolExample {
     try (ITableSession session = tableSessionPool.getSession()) {
 
       // show tables from current database
-      try (SessionDataSet dataSet = session.executeQueryStatement("SHOW 
TABLES")) {
+      try (SessionDataSet dataSet = 
session.executeQueryStatement(SHOW_TABLES)) {
         printDataSet(dataSet);
       }
 
@@ -166,7 +167,7 @@ public class TableModelSessionPoolExample {
 
       // show tables by specifying another database
       // using SHOW tables FROM
-      try (SessionDataSet dataSet = session.executeQueryStatement("SHOW 
TABLES")) {
+      try (SessionDataSet dataSet = 
session.executeQueryStatement(SHOW_TABLES)) {
         printDataSet(dataSet);
       }
 
@@ -179,7 +180,7 @@ public class TableModelSessionPoolExample {
     try (ITableSession session = tableSessionPool.getSession()) {
 
       // show tables from default database test1
-      try (SessionDataSet dataSet = session.executeQueryStatement("SHOW 
TABLES")) {
+      try (SessionDataSet dataSet = 
session.executeQueryStatement(SHOW_TABLES)) {
         printDataSet(dataSet);
       }
 

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