Enhance code coverage

[divang]

• Enhanced test cases for SQLServerConnectionTest and SQLServerDatabaseMetaData

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.57%. Comparing base (8162706) to head (dc940dd).
Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2712      +/-   ##
============================================
+ Coverage     51.57%   53.57%   +1.99%     
- Complexity     4076     4343     +267     
============================================
  Files           149      149              
  Lines         34180    34240      +60     
  Branches       5708     5718      +10     
============================================
+ Hits          17629    18343     +714     
+ Misses        14089    13386     -703     
- Partials       2462     2511      +49     

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[Copilot]

Pull Request Overview

This PR enhances test coverage for SQLServerConnectionTest and SQLServerDatabaseMetaData by adding comprehensive JSON data type support and expanding test cases for various JDBC functionality.

Key Changes:

• Added comprehensive JSON data type support with new test classes, enum values, and CSV test data
• Enhanced PreparedStatement testing with extensive setter method coverage and batch execution scenarios
• Expanded ResultSet testing to include getter/setter methods, stream operations, and JSON data handling
• Added extensive DatabaseMetaData testing for capability methods, version information, and result set support

Reviewed Changes

Copilot reviewed 48 out of 49 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
BulkCopyCSVTestInputWithJson.csv	Added CSV test data with JSON content for bulk copy operations
SqlTypeValue.java	Added JSON enum value for SQL type testing framework
SqlType.java	Enhanced with vendor type number support and constructor for JSON type
SqlJson.java	New SQL JSON type class for test framework
Constants.java	Added JSONTest tag for JSON-specific test categorization
RegressionTest.java	Added comprehensive JSON query testing with CRUD operations
PreparedStatementTest.java	Extensive testing of setter methods, batch operations, and edge cases
TVPTypesTest.java	Added JSON support for Table-Valued Parameters
ResultSetTest.java	Comprehensive getter/setter testing and JSON data handling
BatchExecutionWithBulkCopyTest.java	Added JSON support for bulk copy operations
JSONFunctionTest.java	New comprehensive test class for SQL Server JSON functions
DatabaseMetaDataTest.java	Enhanced metadata testing with capability and version methods

Comments suppressed due to low confidence (6)

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