feat: built-in-function: support char(int) function #817

[Ivyee17]

Close #817

[github-actions]

Linux Test Report

       57 files       193 suites   1h 3m 17s ⏱️
  8 673 tests   8 669 ✔️ 4 💤 0 ❌
12 744 runs  12 740 ✔️ 4 💤 0 ❌

Results for commit eb0119f.

♻️ This comment has been updated with latest results.

[github-actions]

HybridSE Linux Test Report

       67 files       235 suites   5m 33s ⏱️
19 062 tests 19 060 ✔️ 2 💤 0 ❌

Results for commit eb0119f.

♻️ This comment has been updated with latest results.

[github-actions]

HybridSE Mac Test Report

       67 files       235 suites   6m 38s ⏱️
19 062 tests 19 060 ✔️ 2 💤 0 ❌

Results for commit eb0119f.

♻️ This comment has been updated with latest results.

[github-actions]

SDK Test Report

  75 files    75 suites   6m 16s ⏱️
163 tests 161 ✔️ 2 💤 0 ❌
204 runs  202 ✔️ 2 💤 0 ❌

Results for commit eb0119f.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #1896 (eb0119f) into main (908e9ed) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #1896      +/-   ##
============================================
- Coverage     75.69%   75.69%   -0.01%     
  Complexity      347      347              
============================================
  Files           613      613              
  Lines        117059   117080      +21     
  Branches       1024     1008      -16     
============================================
+ Hits          88613    88621       +8     
- Misses        28237    28250      +13     
  Partials        209      209              

Impacted Files	Coverage Δ
hybridse/src/udf/udf.h	100.00% <ø> (ø)
hybridse/src/codegen/udf_ir_builder_test.cc	99.47% <100.00%> (+<0.01%)	⬆️
hybridse/src/udf/default_udf_library.cc	96.47% <100.00%> (+0.01%)	⬆️
hybridse/src/udf/udf.cc	84.91% <100.00%> (+0.16%)	⬆️
...s/query_response_time/deploy_query_response_time.h	81.25% <0.00%> (-18.75%)	⬇️
...atistics/query_response_time/query_response_time.h	78.26% <0.00%> (-4.35%)	⬇️
.../query_response_time/deploy_query_response_time.cc	97.10% <0.00%> (-2.90%)	⬇️
src/catalog/tablet_catalog.cc	73.77% <0.00%> (-0.87%)	⬇️
hybridse/src/codec/fe_row_codec.cc	78.33% <0.00%> (-0.32%)	⬇️
src/nameserver/name_server_impl.cc	42.74% <0.00%> (-0.11%)	⬇️
... and 4 more

---

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[Ivyee17]

cicd/cpp CI is down. maybe need to restart? @aceforeverd

[aceforeverd]

Pls resolve merge conflicts

[zhanghaohit]

LGTM

[Ivyee17]

cicd/cpp is down because the DBSDK is failed to init (for connection problem or sth. else?). may need to restart this CI?

Log:
E0530 09:35:52.121150 13344 name_server_impl.cc:10790] ERROR: Failed to init DBSDK

[aceforeverd]

cicd/cpp is down because the DBSDK is failed to init (for connection problem or sth. else?). may need to restart this CI?

Log: E0530 09:35:52.121150 13344 name_server_impl.cc:10790] ERROR: Failed to init DBSDK

This was because of machine resource limitation, no worry