Method getConnection

subprojects/groovy-sql/src/main/java/groovy/sql/Sql.java:3987–3989

If this instance was created with a single Connection then the connection is returned. Otherwise if this instance was created with a DataSource then this method returns null @return the connection wired into this object, or null if this object uses a DataSource

()

     *         uses a DataSource
     */
    public Connection getConnection() {
        return useConnection;
    }

    private void setConnection(Connection connection) {
        useConnection = connection;