GitHub user twalthr opened a pull request:
https://github.com/apache/flink/pull/4532
[FLINK-7337] [table] Refactor internal handling of time indicator
attributes and efficiency
## What is the purpose of the change
*This PR is an improvement of @fhueske's PR #4488. For an description see
#4488. This PR improves the efficiency by not creating objects for every
timestamps but Long values and serializing them using the LongSerializer. It
also contains code clean-up changes.*
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/twalthr/flink FLINK-7337
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4532.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4532
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commit 03ca69505e14aea5452a1b6e77d942ecc2440de4
Author: Fabian Hueske <[email protected]>
Date: 2017-08-04T00:20:56Z
[FLINK-7337] [table] Refactor internal handling of time indicator
attributes.
- Expand phyiscal Row schema for time indicators.
- Refactor computation of logical schema of tables to import.
- Refactor operators to use time attribute in Row instead of StreamRecord
timestamp.
commit 876369d41019b3ec5ba824553b31fb2f3b44a18d
Author: Fabian Hueske <[email protected]>
Date: 2017-08-07T21:39:48Z
Addressed review feedback
commit 54bfed8debbe29784e0de7f07ebb277df68a4eb5
Author: Fabian Hueske <[email protected]>
Date: 2017-08-11T14:43:07Z
minor improvement
commit b0b24011e7c0444e3e1ebaba810edc06e9c85ad6
Author: twalthr <[email protected]>
Date: 2017-08-12T11:51:42Z
Efficient handling of rowtime timestamps
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