[MINOR] Only getCompletionTime for completedInstants

[yuzhaojing]

Change Logs

• When lastMaxCompletionTime is present, we should only use completed instants to compare.

Impact

• Only get completion time in complete timeline

Risk level (write none, low medium or high below)

None

Documentation Update

Describe any necessary documentation update if there is any new feature, config, or user-facing change. If not, put "none".

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the
  ticket number here and follow the instruction to make
  changes to the website.

Contributor's checklist

• Read through contributor's guide
• Change Logs and Impact were stated clearly
• Adequate tests were added if applicable
• CI passed

[TheR1sing3un]

Hi, could u describe what happens before and after the fix if there is an unfinished instant in this scenario? NPE exception?

[yuzhaojing]

Hi, could u describe what happens before and after the fix if there is an unfinished instant in this scenario? NPE exception?

Yes, a null pointer exception will be thrown here.

[yuzhaojing]

@hudi-bot run azure

[yuzhaojing]

@danny0405 Can you take a look.

[danny0405]

Can you fix the test failure:

TestTimelineUtils.testGetCommitsTimelineAfter:325->verifyTimeline:

[hudi-bot]

CI report:

• 5f04b01 UNKNOWN
• 55e47f5 Azure: SUCCESS

Bot commands

@hudi-bot supports the following commands:

• @hudi-bot run azure re-run the last Azure build

[yuzhaojing]

Can you fix the test failure:

TestTimelineUtils.testGetCommitsTimelineAfter:325->verifyTimeline:

All test succeed.