fix: issue#1762 used constant instead of int in SimpleResultSet

[SaumyaBhushan]

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

close #1762

• What is the current behavior? (You can also link to an open issue here)

• use constant instead of int in SimpleResultSet #1762

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

• no

[github-actions]

SDK Test Report

  73 files    73 suites   6m 27s ⏱️
174 tests 171 ✔️ 3 💤 0 ❌
215 runs  212 ✔️ 3 💤 0 ❌

Results for commit b74d153.

[github-actions]

Linux Test Report

       57 files       186 suites   1h 6m 26s ⏱️
  8 468 tests   8 460 ✔️ 8 💤 0 ❌
12 419 runs  12 411 ✔️ 8 💤 0 ❌

Results for commit b74d153.

[codecov]

Codecov Report

Merging #1768 (b74d153) into main (361f44d) will increase coverage by 0.02%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##               main    #1768      +/-   ##
============================================
+ Coverage     73.64%   73.66%   +0.02%     
  Complexity      347      347              
============================================
  Files           614      614              
  Lines        120131   120131              
  Branches       1015     1015              
============================================
+ Hits          88475    88500      +25     
+ Misses        31447    31422      -25     
  Partials        209      209              

Impacted Files	Coverage Δ
.../com/_4paradigm/openmldb/jdbc/SimpleResultSet.java	7.35% <0.00%> (ø)
src/rpc/rpc_client.h	89.18% <0.00%> (-1.36%)	⬇️
src/catalog/client_manager.cc	42.20% <0.00%> (-0.29%)	⬇️
src/storage/mem_table.cc	89.13% <0.00%> (-0.14%)	⬇️
src/nameserver/name_server_impl.cc	42.34% <0.00%> (+0.04%)	⬆️
src/sdk/sql_cluster_router.cc	54.41% <0.00%> (+0.13%)	⬆️
src/client/ns_client.cc	44.91% <0.00%> (+0.14%)	⬆️
src/tablet/tablet_impl.cc	59.13% <0.00%> (+0.22%)	⬆️
src/client/tablet_client.cc	48.60% <0.00%> (+0.31%)	⬆️
src/zk/dist_lock.cc	83.33% <0.00%> (+1.51%)	⬆️
... and 1 more

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[tobegit3hub]

LGTM

[tobegit3hub]

Thanks for your contribution @SaumyaBhushan 👍