class_docstr: JDBC sink batch options.
code: def get_batch_interval_ms(self) -> int:
      return self._j_jdbc_execution_options.getBatchIntervalMs()
  
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 2 for calling the JdbcExecutionOptions obj's underlying member method code with example usage: obj.get_batch_interval_ms() and returns: self