Generate query id on client side if not set

[alex-clickhouse]

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[codecov]

Codecov Report

❌ Patch coverage is 93.33333% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
ClickHouse.Driver/ADO/ClickHouseCommand.cs	88.88%	0 Missing and 1 partial ⚠️

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[Copilot]

Pull request overview

This PR changes the query ID generation from server-side to client-side by automatically generating a GUID when no query ID is explicitly set. Previously, ClickHouse server would generate the query ID; now the driver generates it before sending the request.

Key changes:

• Client-side GUID generation for query IDs when not explicitly provided
• Caching mechanism to ensure consistent query ID per request
• Updated documentation and examples to reflect the new behavior

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
examples/Advanced_001_QueryIdUsage.cs	Updated comments to reflect client-side GUID generation instead of server-side
ClickHouse.Driver/ClickHouseUriBuilder.cs	Added GetEffectiveQueryId() method with caching logic and auto-GUID generation
ClickHouse.Driver/ADO/ClickHouseCommand.cs	Refactored to use effective query ID earlier in execution flow and updated logging
ClickHouse.Driver.Tests/Misc/UriBuilderTests.cs	Added comprehensive tests for query ID generation, caching, and uniqueness
ClickHouse.Driver.Tests/ADO/ConnectionTests.cs	Enhanced tests to verify GUID format and added test cases for empty string and uniqueness

Comments suppressed due to low confidence (1)

ClickHouse.Driver/ADO/ClickHouseCommand.cs:1

• After the uriBuilder is created and the effective query ID is generated, the QueryId property of ClickHouseCommand is never updated with the auto-generated value. Users checking command.QueryId after execution will see null instead of the GUID that was actually used. Consider adding QueryId = uriBuilder.GetEffectiveQueryId(); after line 177 to populate the property with the effective value.

using System;