Update java-bigquery/google-cloud-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/PooledConnectionDataSource.java

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: Neenu1995

java-bigquery/google-cloud-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/PooledConnectionDataSource.java

@@ -24,7 +24,7 @@
 import javax.sql.PooledConnection;
 
 public class PooledConnectionDataSource extends DataSource implements ConnectionPoolDataSource {
-  private final BigQueryJdbcCustomLogger LOG = new BigQueryJdbcCustomLogger(this.toString());
+  private static final BigQueryJdbcCustomLogger LOG = new BigQueryJdbcCustomLogger(PooledConnectionDataSource.class.getName());
   private PooledConnectionListener connectionPoolManager = null;
   Connection bqConnection = null;