@Override
    public void open(DeserializationSchema.InitializationContext context) throws Exception {
        if (keyDeserialization != null) {
            keyDeserialization.open(context);
        }
        valueDeserialization.open(context);
    }
A specific {@link PulsarDeserializationSchema} for {@link PulsarDynamicTableSource}.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/pulsar/src/main/java/org/apache/inlong/sort/pulsar/table/DynamicPulsarDeserializationSchema.java