[Fix-15787] Reuse code and solve the problem of complex SQL parsing exceptions in…

[xinxingi]

… druid, corresponding to issue fix #15787

Purpose of the pull request

Brief change log

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This pull request is code cleanup without any test coverage.

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This pull request is already covered by existing tests, such as (please describe tests).

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This change added tests and can be verified as follows:

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If your pull request contain incompatible change, you should also add it to docs/docs/en/guide/upgrede/incompatible.md

[SbloodyS]

LGTM.

[qingwli]

+1

[SbloodyS]

@xinxingi Please fix UT.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 39.54%. Comparing base (7894ebb) to head (19e0261).

❗ Current head 19e0261 differs from pull request most recent head cd5c412. Consider uploading reports for the commit cd5c412 to get more accurate results

Files	Patch %	Lines
...source/oracle/param/OracleDataSourceProcessor.java	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                dev   #15833      +/-   ##
============================================
+ Coverage     39.47%   39.54%   +0.06%     
- Complexity     4993     5020      +27     
============================================
  Files          1347     1347              
  Lines         45641    45642       +1     
  Branches       4892     4891       -1     
============================================
+ Hits          18018    18050      +32     
+ Misses        25699    25668      -31     
  Partials       1924     1924              

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
87.5% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[xinxingi]

@qingwli @SbloodyS The UT that reports the error is meaningful. The com.alibaba.druid.sql.parser.SQLParserUtils.splitAndRemoveComment tool class does not do special processing for Oracle, which requires overall execution of PL/SQL. As a result, a complete statement will be incorrectly split. After correcting the logic of the code, I conducted unit tests on a series of PL/SQL statements and multiple compound SQL statements, and the tests all passed. But I didn't submit the code because there were too many test samples. If necessary, I will provide a comprehensive test sample in the comment area or make a git submission. I will continue to follow up on the maintenance of this data source from now on

[qingwli]

That's ok @xinxingi , This pr is merged, Thanks for your contributing