feat: more aggregator op

[nautaa]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  feature

• What is the current behavior? (You can also link to an open issue here)
  close Add pre-aggregation support for op count #1218
  close Add pre-aggregation support for op min #1219
  close Add pre-aggregation support for op max #1220
  close Add pre-aggregation support for op avg #1221
  close support RowBuilder external buffer #1525

• What is the new behavior (if this is a feature change)?

[zhanghaohit]

long time window - compute engine

[github-actions]

SDK Test Report

  72 files    72 suites   5m 46s ⏱️
172 tests 169 ✔️ 3 💤 0 ❌
212 runs  209 ✔️ 3 💤 0 ❌

Results for commit 72f8934.

♻️ This comment has been updated with latest results.

[github-actions]

Linux Test Report

       55 files       182 suites   44m 43s ⏱️
  8 206 tests   8 206 ✔️ 0 💤 0 ❌
12 122 runs  12 122 ✔️ 0 💤 0 ❌

Results for commit 72f8934.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #1583 (72f8934) into main (1e06650) will increase coverage by 0.11%.
The diff coverage is 92.59%.

@@             Coverage Diff              @@
##               main    #1583      +/-   ##
============================================
+ Coverage     67.21%   67.33%   +0.11%     
  Complexity      323      323              
============================================
  Files           600      600              
  Lines        114047   114605     +558     
  Branches        995      995              
============================================
+ Hits          76657    77165     +508     
- Misses        37183    37233      +50     
  Partials        207      207              

Impacted Files	Coverage Δ
src/codec/codec.h	100.00% <ø> (ø)
src/base/strings.h	55.10% <55.55%> (+0.04%)	⬆️
src/codec/codec.cc	69.18% <85.27%> (+2.28%)	⬆️
src/storage/aggregator.cc	84.53% <91.09%> (+5.62%)	⬆️
src/storage/aggregator_test.cc	97.72% <96.55%> (+0.16%)	⬆️
src/codec/codec_test.cc	100.00% <100.00%> (ø)
src/storage/aggregator.h	95.23% <100.00%> (+11.90%)	⬆️
src/rpc/rpc_client.h	64.86% <0.00%> (-1.36%)	⬇️
src/sdk/db_sdk.cc	63.66% <0.00%> (-1.21%)	⬇️
... and 11 more

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[zhanghaohit]

LGTM