Updated PrimitiveValue.Bytes implementation

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 98.18182% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 65.77%. Comparing base (4bdd18a) to head (49cf8af).
⚠️ Report is 2 commits behind head on release_v2.4.0.

Files with missing lines	Patch %	Lines
...ain/java/tech/ydb/table/values/PrimitiveValue.java	98.18%	1 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                  @@
##             release_v2.4.0     #587      +/-   ##
====================================================
+ Coverage             65.73%   65.77%   +0.04%     
- Complexity             2826     2831       +5     
====================================================
  Files                   344      344              
  Lines                 14410    14395      -15     
  Branches               1497     1484      -13     
====================================================
- Hits                   9472     9468       -4     
+ Misses                 4268     4264       -4     
+ Partials                670      663       -7     

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[Copilot]

Pull request overview

This PR updates the PrimitiveValue.Bytes/Yson implementation to store data as ByteString, revises toString() output to a hex-based format with truncation, and adjusts tests to validate the new behavior.

Changes:

• Reworked PrimitiveValue byte-backed primitives to use ByteString internally and added a cached byte[] for “unsafe” access.
• Changed Bytes/Yson toString() from octal-escaped string output to Type[len=... content=...] with truncation.
• Updated/expanded unit tests for equality, identity semantics of getters, and toString() formatting; made ProtoValueReaderTest bytes fixture encoding deterministic.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 7 comments.

File	Description
table/src/main/java/tech/ydb/table/values/PrimitiveValue.java	Updates Bytes internal representation, caching, toString(), and related constructors.
table/src/test/java/tech/ydb/table/values/PrimitiveValueTest.java	Adjusts tests to new toString() and adds assertions around equals/identity/copy semantics.
table/src/test/java/tech/ydb/table/result/impl/ProtoValueReaderTest.java	Makes the bytes test input deterministic (no platform default charset).

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