Jose Torres b0f422c386 [SPARK-23559][SS] Add epoch ID to DataWriterFactory. ... ## What changes were proposed in this pull request? Add an epoch ID argument to DataWriterFactory for use in streaming. As a side effect of passing in this value, DataWriter will now have a consistent lifecycle; commit() or abort() ends the lifecycle of a DataWriter instance in any execution mode. I considered making a separate streaming interface and adding the epoch ID only to that one, but I think it requires a lot of extra work for no real gain. I think it makes sense to define epoch 0 as the one and only epoch of a non-streaming query. ## How was this patch tested? existing unit tests Author: Jose Torres <jose@databricks.com> Closes #20710 from jose-torres/api2.		2018-03-05 13:23:01 -08:00
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src	[SPARK-23559][SS] Add epoch ID to DataWriterFactory.	2018-03-05 13:23:01 -08:00
pom.xml	[SPARK-23028] Bump master branch version to 2.4.0-SNAPSHOT	2018-01-13 00:37:59 +08:00