local attrbiutes

[duoertai]

Why make this pull request?

[Explain why you are making this pull request and what problem it solves.]

What has changed

[Summarize what components of the repo is updated]

[Link to xdb-apis/sdk-go PRs if it's on top of any API changes]

• API change link: ...
• Golang SDK change link: ...
• Server Component 1: ...
• Server Component 2: ...

How to test this pull request?

[If writing Integration test in Golang SDK repo, please provide link to the pull request of Golang SDK Repo]

[It's recommended to write integration test in Golang SDK repo, and enabled in this server repo first,
without enabling in the SDK repo. After this PR is merged, enable and merge the integration test in the SDK repo]

[Alternatively if Java/other SDK repo is preferred, then just test locally against server PR.
After the server PR is merged, merge the integration test in the SDK repo]

Checklist before merge

[ ] If applicable, merge the xdb-apis/sdk-go PRs to main branch
[ ] If applicable, merge the xdb-apis/xdb-apis PRs to main branch
[ ] Update go.mod to use the commitID of the main branches for xdb-apis/sdk-go

[longquanzheng]

I think it's okay to use separate txn to load for now. but fyi, we will need to evolve to this later:
#93
and
#103

[longquanzheng]

feel free to merge when you feel like you have addressed all the comments. I will continue to work on top of it after you merge.

[codecov]

Codecov Report

Attention: 72 lines in your changes are missing coverage. Please review.

Comparison is base (d1c0df9) 63.10% compared to head (8f4616b) 63.10%.

❗ Current head 8f4616b differs from pull request most recent head cb30be5. Consider uploading reports for the commit cb30be5 to get more accurate results

Files	Patch %	Lines
engine/immediate_task_conrrent_processor.go	60.24%	30 Missing and 3 partials ⚠️
persistence/sql/write_local_attributes.go	67.50%	9 Missing and 4 partials ⚠️
persistence/sql/load_local_attributes.go	67.85%	6 Missing and 3 partials ⚠️
persistence/sql/complete_execute.go	52.94%	7 Missing and 1 partial ⚠️
persistence/sql/start_process.go	57.14%	4 Missing and 2 partials ⚠️
extensions/postgres/non_transactional.go	66.66%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #102      +/-   ##
==========================================
- Coverage   63.10%   63.10%   -0.01%     
==========================================
  Files          81       85       +4     
  Lines        6145     6331     +186     
==========================================
+ Hits         3878     3995     +117     
- Misses       2021     2077      +56     
- Partials      246      259      +13     

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