issue fix backport

gradle.properties

@@ -3,4 +3,4 @@
 org.gradle.jvmargs=-Xmx3G
 org.gradle.daemon=false
 
-mod_version=1.18.2-1.2.1
+mod_version=1.18.2-1.3.2

src/main/java/vip/fubuki/playersync/config/JdbcConfig.java

@@ -14,6 +14,7 @@ public class JdbcConfig {
     public static ForgeConfigSpec.IntValue PORT;
     public static ForgeConfigSpec.ConfigValue<String> USERNAME;
     public static ForgeConfigSpec.ConfigValue<String> PASSWORD;
+    public static ForgeConfigSpec.ConfigValue<String> DATABASE_NAME;
     public static ForgeConfigSpec.ConfigValue<List<String>> SYNC_WORLD;
     public static ForgeConfigSpec.BooleanValue USE_SSL;
     public static ForgeConfigSpec.BooleanValue SYNC_CHAT;
@@ -29,6 +30,7 @@ public class JdbcConfig {
         USE_SSL = COMMON_BUILDER.comment("whether use SSL").define("use_ssl", false);
         USERNAME = COMMON_BUILDER.comment("username").define("user_name", "root");
         PASSWORD = COMMON_BUILDER.comment("password").define("password", "password");
+        DATABASE_NAME = COMMON_BUILDER.comment("database name").define("db_name","playersync");
         SERVER_ID = COMMON_BUILDER.comment("the server id should be unique").define("Server_id", new Random().nextInt(1,Integer.MAX_VALUE-1));
         SYNC_WORLD = COMMON_BUILDER.comment("The worlds that will be synchronized.If running in server it is supposed to have only one").define("sync_world", new ArrayList<>());
         SYNC_CHAT= COMMON_BUILDER.comment("Whether synchronize chat").define("sync_chat", true);

src/main/java/vip/fubuki/playersync/sync/ChatSync.java

@@ -8,6 +8,8 @@
 import net.minecraftforge.fml.common.Mod;
 import vip.fubuki.playersync.util.JDBCsetUp;
 
+import java.sql.Connection;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.Objects;
@@ -25,7 +27,14 @@ public static void register(){
 
     @SubscribeEvent
     public static void onPlayerChat(net.minecraftforge.event.ServerChatEvent event) throws SQLException {
-        JDBCsetUp.executeUpdate("INSERT INTO chat (player, message, timestamp) VALUES ('" + event.getUsername() + "', '" + event.getMessage() + "', '" + current + "')");
+        String sql = "INSERT INTO chat (player, message, timestamp) VALUES (?, ?, ?)";
+        try (Connection connection = JDBCsetUp.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
+                preparedStatement.setString(1, event.getUsername());
+                preparedStatement.setString(2, event.getMessage());
+                preparedStatement.setLong(3, current);
+                preparedStatement.executeUpdate();
+        }
     }
 
     @SubscribeEvent

src/main/java/vip/fubuki/playersync/util/JDBCsetUp.java

@@ -14,7 +14,7 @@ public static Connection getConnection() throws SQLException {
 
     public static QueryResult executeQuery(String sql) throws SQLException{
        Connection connection = getConnection();
-        PreparedStatement useStatement = connection.prepareStatement("USE `playersync`");
+        PreparedStatement useStatement = connection.prepareStatement("USE "+JdbcConfig.DATABASE_NAME.get());
         useStatement.executeUpdate();
 
         PreparedStatement queryStatement = connection.prepareStatement(sql);
@@ -25,7 +25,7 @@ public static QueryResult executeQuery(String sql) throws SQLException{
     public static int executeUpdate(String sql) throws SQLException{
         try (Connection connection = getConnection()) {
 
-            PreparedStatement useStatement = connection.prepareStatement("USE `playersync`");
+            PreparedStatement useStatement = connection.prepareStatement("USE "+JdbcConfig.DATABASE_NAME.get());
             useStatement.executeUpdate();
 
             try (PreparedStatement updateStatement = connection.prepareStatement(sql)) {