fix: [cp][2.5] use max MvccTs for iterator

[PwzXxm]

issue: #37158
pr: #37247

Signed-off-by: Patrick Weizhi Xu [email protected]
(cherry picked from commit 5ed7230)

[mergify]

@PwzXxm E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@PwzXxm go-sdk check failed, comment rerun go-sdk can trigger the job again.

[codecov]

Codecov Report

Attention: Patch coverage is 61.53846% with 5 lines in your changes missing coverage. Please review.

Project coverage is 80.86%. Comparing base (65c2520) to head (a6b76ff).
Report is 11 commits behind head on 2.5.

Files with missing lines	Patch %	Lines
internal/proxy/util.go	54.54%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.5   #37248      +/-   ##
==========================================
- Coverage   83.12%   80.86%   -2.27%     
==========================================
  Files        1028     1318     +290     
  Lines      157213   182689   +25476     
==========================================
+ Hits       130691   147729   +17038     
- Misses      21351    29784    +8433     
- Partials     5171     5176       +5     

Components	Coverage Δ
Client	∅ <ø> (∅)
Core	66.91% <0.00%> (∅)
Go	83.14% <46.15%> (-0.01%)	⬇️

Files with missing lines	Coverage Δ
internal/proxy/task_query.go	80.71% <100.00%> (ø)
internal/proxy/task_search.go	75.95% <100.00%> (ø)
internal/proxy/util.go	89.77% <54.54%> (-0.26%)	⬇️

... and 316 files with indirect coverage changes

[PwzXxm]

/run-cpu-e2e

[PwzXxm]

rerun go-sdk

[mergify]

@PwzXxm E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[PwzXxm]

/run-cpu-e2e

[mergify]

@PwzXxm go-sdk check failed, comment rerun go-sdk can trigger the job again.

[PwzXxm]

rerun go-sdk

[mergify]

@PwzXxm go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

@PwzXxm E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[PwzXxm]

/run-cpu-e2e

[PwzXxm]

rerun go-sdk

[mergify]

@PwzXxm E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[PwzXxm]

/run-cpu-e2e

[PwzXxm]

For exact MVCC view in cluster with multiple channels, we need to pass the channel-mvccTs back to SDK. Do it in later PR.

[congqixia]

lgtm as temp solution
/lgtm

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