code: def __init__(self, j_jdbc_sink):
      super(JdbcSink, self).__init__(sink_func=j_jdbc_sink)
  
imports: from pyflink.common.typeinfo import RowTypeInfo
  from pyflink.datastream.functions import SinkFunction
  from pyflink.java_gateway import get_gateway
  from pyflink.util.java_utils import to_jarray
label_desc: Use image node_id 1 to create a new JdbcSink object from inherited base classes: SinkFunction with example: obj = JdbcSink(j_jdbc_sink)