[IMPALA-6511] Fix event "Open Finished" in state machine in FragmentInstanceState::UpdateState()

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.12.0
• Fix Version/s: Impala 3.0, Impala 2.12.0
• Component/s: Backend
• Epic Color: ghx-label-5
• Assignee: Lars Volker
• Reporter: Lars Volker
• Created: 13/Feb/18 01:35
• Updated: 14/Feb/18 23:21
• Resolved: 14/Feb/18 00:03

Description

The state machine in FragmentInstanceState::UpdateState() can be simplified. LAST_BATCH_SENT must always happen in state PRODUCING_DATA. "Open Finished" should be marked when receiving WAITING_FOR_FIRST_BATCH.