feat: support const project online

[aceforeverd]

close #2759, #3311

[codecov]

Codecov Report

Patch coverage: 86.04% and project coverage change: +0.08% 🎉

Comparison is base (fd728c6) 75.77% compared to head (c7f8f6f) 75.85%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3376      +/-   ##
============================================
+ Coverage     75.77%   75.85%   +0.08%     
  Complexity      414      414              
============================================
  Files           703      703              
  Lines        127658   127677      +19     
  Branches       1206     1206              
============================================
+ Hits          96729    96848     +119     
+ Misses        30688    30588     -100     
  Partials        241      241              

Files Changed	Coverage Δ
hybridse/include/case/sql_case.h	92.10% <ø> (ø)
hybridse/include/sdk/base.h	61.22% <ø> (ø)
hybridse/include/vm/physical_op.h	91.11% <ø> (ø)
src/test/base_test.cc	0.00% <0.00%> (ø)
hybridse/src/case/sql_case.cc	70.76% <82.60%> (-0.09%)	⬇️
hybridse/src/testing/engine_test_base.h	92.26% <83.33%> (-0.33%)	⬇️
hybridse/src/case/sql_case_test.cc	100.00% <100.00%> (ø)
hybridse/src/plan/planner.cc	88.27% <100.00%> (+0.01%)	⬆️
hybridse/src/vm/runner.cc	69.57% <100.00%> (+0.31%)	⬆️
hybridse/src/vm/transform.cc	84.22% <100.00%> (+0.18%)	⬆️
... and 2 more

... and 26 files with indirect coverage changes

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[aceforeverd]

TODO check if there is: a runner requires non-empty requests, but empty request is allow

[aceforeverd]

TODO check if there is: a runner requires non-empty requests, but empty request is allow

TODO: support const project procedure. It is not fixed by this PR, since a request procedure requires a request table