tree 38ecff49065211bee1de8ae59a3e10efeec23ead
parent 6b2be1a2d447bd1ac1b4e88e0f2c0508cac8a92d
author lipenghui <penghui@apache.org> 1556293097 +0800
committer Sijie Guo <sijie@apache.org> 1556293097 +0800

[pulsar-flink] Add subscription initial position (#4129)

### Motivation

Allow user to specify the initial position for consumer source builder.

### Modifications

Add initial position for PulsarConsumerSource.