made it final

Author: broken1arrow

Database/src/main/java/org/broken/arrow/database/library/core/Database.java

@@ -498,7 +498,7 @@ protected List<String> updateTableColumnsInDb(final Connection connection, final
 
         try {
             final List<String> column = new ArrayList<>();
-            String queryAllColumns = "SELECT * FROM " + this.getQuote() + tableName + this.getQuote() + ";";
+            final String queryAllColumns = "SELECT * FROM " + this.getQuote() + tableName + this.getQuote() + ";";
             statement = connection.prepareStatement(queryAllColumns);
             rs = statement.executeQuery();
             final ResultSetMetaData rsmd = rs.getMetaData();
@@ -534,7 +534,7 @@ protected void dropColumn(final List<String> existingColumns, final String table
         PreparedStatement createTable = null;
         PreparedStatement removeOldTable = null;
         try {    // Rename the old table, so we can remove old name and rename columns.
-            String alterTableQuery = "ALTER TABLE " + tableName + " RENAME TO " + tableName + "_old;";
+            final String alterTableQuery = "ALTER TABLE " + tableName + " RENAME TO " + tableName + "_old;";
             alterTable = connection.prepareStatement(alterTableQuery);
             // Creating the table on its new format (no redundant columns)
             createTable = connection.prepareStatement("CREATE TABLE IF NOT EXISTS " + tableName + " (" + columnsSeparated + ");");
@@ -703,7 +703,7 @@ public Connection attemptToConnect() {
 
     private void checkIfTableExist(@Nonnull final Connection connection, String tableName, String columName) {
 
-        String checkTableQuery = "SELECT * FROM " + this.getQuote() + tableName + this.getQuote() + " WHERE " + this.getQuote() + columName + this.getQuote() + " = ?";
+        final String checkTableQuery = "SELECT * FROM " + this.getQuote() + tableName + this.getQuote() + " WHERE " + this.getQuote() + columName + this.getQuote() + " = ?";
         try (final PreparedStatement preparedStatement = connection.prepareStatement(checkTableQuery)) {
             preparedStatement.setString(1, "");
             final ResultSet resultSet = preparedStatement.executeQuery();