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@sim-wangyan sim-wangyan released this 05 Nov 12:50
· 2 commits to main since this release
v1.2.2
50c93a6

xb v1.2.2 Release Notes

Release Date: 2025-11-5

🎉 Overview

v1.2.2 is a quality and documentation enhancement release that adds production safety features and comprehensive developer guidance while maintaining 100% backward compatibility.

Core Theme: Smart Condition Building - The three-layer architecture for real-world applications.

✨ What's New

1️⃣ Production Safety: InRequired() Method

Prevent accidental mass operations with explicit validation:

// ✅ Safe: User selected IDs
selectedIDs := []int64{1, 2, 3}
xb.Of("orders").InRequired("id", toInterfaces(selectedIDs)...).Build()

// ❌ Prevented: Empty selection
selectedIDs := []int64{}
xb.Of(&Order{}).InRequired("id", toInterfaces(selectedIDs)...).Build()
// panic: InRequired("id") received empty values, this would match all records.
//        Use In() if optional filtering is intended.

Use Cases:

  • Admin batch delete/update operations
  • Critical data modifications
  • Any scenario requiring explicit selection

Test Coverage: 18 comprehensive test cases including real-world scenarios

2️⃣ Builder Parameter Validation

QdrantBuilder now validates parameters at build time:

// ✅ Valid
xb.NewQdrantBuilder().
    HnswEf(512).          // Valid: >= 1
    ScoreThreshold(0.8).  // Valid: [0, 1]
    Build()

// ❌ Invalid - immediate panic
xb.NewQdrantBuilder().
    HnswEf(0).            // panic: HnswEf must be >= 1, got: 0
    Build()

Benefits:

  • Fail-fast with clear error messages
  • Catch configuration errors at build time
  • Guide users to correct usage

3️⃣ Smart Condition Building Architecture

Three-Layer Design for 99% of Scenarios:

Layer Methods Use Cases Coverage
Auto-Filtering Eq/In/Like/Set Optional user filters 90%
Required Validation InRequired Critical operations 5%
Ultimate Flexibility X/Sub/Bool Special cases 5% 
// Layer 1: Auto-Filtering (90% cases)
xb.Of("users").
    Eq("age", age).              // age=0 → ignored
    In("status", statuses...).   // []    → ignored
    Build()

// Layer 2: Required (5% cases)
xb.Of("orders").
    InRequired("id", selectedIDs...). // [] → panic
    Build()

// Layer 3: Flexible (5% cases)
xb.Of("users").
    X("age = 0").              // Query age=0
    Sub("id IN ?", func(sb) {  // Type-safe subquery
        sb.Of(&VipUser{}).Select("id")
    }).
    Build()

4️⃣ Enhanced Documentation

New README Section: Smart Condition Building

  • Three-layer architecture explained
  • Usage statistics (90%/5%/5%)
  • API comparison table
  • Real-world examples

Method Documentation:

  • X(): Zero-constraint design philosophy
  • Sub(): Type-safe subquery examples
  • InRequired(): Safety best practices

Examples Updated:

  • Use Of(&Model{}) consistently
  • Real-world scenario coverage
  • Clear use case guidance

🔒 Internal Improvements

Field Encapsulation

// Before: Public field (could be misused)
type BuilderX struct {
    custom Custom
}

// After: Private field (enforces API)
type BuilderX struct {
    customImpl Custom  // Private
}

// Public API unchanged
builder.Custom(...)  // ✅ Still works

Benefits:

  • Prevents direct field assignment
  • Enforces use of Custom() method
  • No breaking changes for users

🎯 Design Philosophy

eXtensible by Design

The "X" in xb represents:

  1. eXtensible - Framework adaptability
  2. X() method - Zero-constraint escape hatch
  3. User freedom - "You know what you're doing"
// xb = eXtensible Builder
//      ↑
//      X() - Zero hardcoded constraints

Three-Layer Philosophy

  1. Layer 1: Smart defaults (90% cases)

    • Auto-filtering nil/0/[]
    • User-friendly

  2. Layer 2: Safety guards (5% cases)

    • InRequired validation
    • Prevent accidents

  3. Layer 3: Ultimate flexibility (5% cases)

    • X() escape hatch
    • Zero constraints

📊 Testing

  • Total Tests: 196+ test cases
  • New Tests: 18 for InRequired
  • Validation Tests: 15 for Builder validation
  • Coverage: All new features tested

Test Focus:

  • Real-world scenarios
  • Edge cases
  • Error messages
  • Backward compatibility

🔄 Migration Guide

From v1.2.1 to v1.2.2: No migration needed! ✅

All changes are:

  • ✅ New features (opt-in)
  • ✅ Internal improvements (transparent)
  • ✅ Documentation enhancements
  • ✅ Zero breaking changes

Recommended Actions:

  1. Update to v1.2.2
  2. Review InRequired() for critical operations
  3. Read Smart Condition Building guide
  4. No code changes required

📦 What's Included

New Methods:

  • InRequired() - Required validation for In clause
  • BuilderX.InRequired() - Same for main builder

Enhanced Validation:

  • QdrantBuilder.HnswEf() - Parameter validation
  • QdrantBuilder.ScoreThreshold() - Range validation

Documentation:

  • Smart Condition Building guide
  • Enhanced method documentation
  • Updated examples throughout

Internal:

  • Field encapsulation
  • Better error messages
  • Code quality improvements

🎓 Learning Resources

Quick Start

// Simple query (auto-filtering)
users := xb.Of(&User{}).
    Eq("age", age).        // Filtered if age=0
    In("status", statuses...).  // Filtered if []
    Build()

// Safe batch operation
xb.Of("orders").
    InRequired("id", selectedIDs...).  // Panic if []
    Build()

// Special values
xb.Of("users").
    X("age = 0").          // Query age=0
    Build()

Documentation

🙏 Credits

Development Model: AI-First with Human Review

  • AI Assistant: Claude (via Cursor)
  • Human Maintainer: Code review and strategic decisions

This release demonstrates:

  • Production-quality AI-generated code
  • Comprehensive testing and documentation
  • Real-world problem solving

🚀 Next Steps

After upgrading to v1.2.2:

  1. ✅ Review critical operations - Consider InRequired()
  2. ✅ Read documentation - Smart Condition Building guide
  3. ✅ Update patterns - Use three-layer architecture
  4. ✅ Share feedback - Help improve xb

📈 Version History

  • v1.2.2 (Current) - Quality & documentation enhancements
  • v1.2.1 - Unified Custom() API
  • v1.2.0 - Custom interface redesign
  • v1.1.0 - Vector database CRUD
  • v1.0.0 - Initial stable release

🎉 Summary

v1.2.2 is the most polished xb release yet:

  • ✅ Production safety features
  • ✅ Comprehensive documentation
  • ✅ Enhanced developer experience
  • ✅ Zero breaking changes
  • ✅ Battle-tested architecture

Ready for production use! 🚀

Download: go get github.com/fndome/[email protected]

Questions? Open an issue on GitHub

Happy Building! 🎊

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