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feat: v1.2.1 - 统一 Custom() 入口，删除 QdrantX()
🎯 核心改进：认知负担最小化 ## 新增功能 ### Builder 模式 - NewQdrantBuilder() - Qdrant 配置构建器 - NewMySQLBuilder() - MySQL 配置构建器 - 链式方法：HnswEf(), ScoreThreshold(), WithVector(), UseUpsert() 等 - 显式 .Build() 转换为 Custom ### Custom 默认值在 SELECT 中生效 - QdrantCustom.DefaultHnswEf 现在影响 SELECT 查询 - QdrantCustom.DefaultScoreThreshold 现在影响 SELECT 查询 - QdrantCustom.DefaultWithVector 现在影响 SELECT 查询 - 优先级：Custom 默认值 > 硬编码默认值 ## 删除功能 ### 完全移除 QdrantX() - qdrant_x.go 文件 - QdrantX() 方法 - QdrantBuilderX 结构 - 6 个相关测试文件 ### 删除过度设计 - CustomBuilder[T any] 泛型接口（无实际用途） ## API 变更 ### 统一配置入口 Before (v1.2.0): ```go // 两个入口（令人困惑） .Custom(...) // INSERT/UPDATE/DELETE .QdrantX(...) // SELECT ``` After (v1.2.1): ```go // 唯一入口（清晰明了） .Custom(NewQdrantBuilder()...Build()) // 所有操作 ``` ## 破坏性变更 ### 迁移指南 ```go // ❌ Old .QdrantX(func(qx *QdrantBuilderX) { qx.HnswEf(512).ScoreThreshold(0.8) }) // ✅ New .Custom( xb.NewQdrantBuilder(). HnswEf(512). ScoreThreshold(0.8). Build(), ) ``` ## 设计哲学 "Don't add concepts to solve problems" "Minimize human cognitive load - AI can remember complexity, humans cannot" ### 技术权衡 - Go 没有 Java 的 `? extends Custom` - 无法用泛型约束 Builder 类型 - 接受显式 .Build() 调用 - 换来统一的 API 和最低记忆成本 ## 测试 - 196 个测试全部通过 ✅ - 新增 QdrantBuilder 和 MySQLBuilder 测试 - 删除 QdrantX 相关测试 - 保持完整的测试覆盖 ## 文件变更 新增: - qdrant_builder_test.go - mysql_builder_test.go - qdrant_custom_priority_test.go 修改: - qdrant_custom.go (添加 QdrantBuilder) - mysql_custom.go (添加 MySQLBuilder) - to_qdrant_json.go (Custom 默认值应用) - CHANGELOG.md (v1.2.1 条目) 删除: - qdrant_x.go - qdrant_x_test.go - qdrant_xx_test.go - qdrant_compat_test.go - qdrant_recommend_test.go - qdrant_discover_test.go - qdrant_custom_select_test.go 净减少: 4 个文件 ## 用户只需记住 1. NewXxxBuilder() - 创建构建器 2. .Method() - 链式配置 3. .Build() - 构建配置 4. Custom() - 统一入口 4 个步骤，0 个例外，100% 一致性 --- xb - 迈向更完美！🚀
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‎CHANGELOG.md‎

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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [1.2.1] - 2025-01-XX
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### 🎯 Ultimate API Simplification (Cognitive Load Minimization)
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**Core Achievement**: One unified entry point for all database configurations.
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### Added
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- **Builder Pattern**:
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- `NewQdrantBuilder()` - Fluent API for Qdrant configuration
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- `NewMySQLBuilder()` - Fluent API for MySQL configuration
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- Chain methods: `.HnswEf()`, `.ScoreThreshold()`, `.WithVector()`, `.UseUpsert()`, etc.
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- Explicit `.Build()` for type conversion
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- **Custom Default Values in SELECT**:
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- `QdrantCustom.DefaultHnswEf` now affects SELECT queries
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- `QdrantCustom.DefaultScoreThreshold` now affects SELECT queries
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- `QdrantCustom.DefaultWithVector` now affects SELECT queries
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- Priority: Runtime params > Custom defaults > Hardcoded defaults
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### Removed
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- **QdrantX() Method**: Eliminated to reduce API surface
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- `qdrant_x.go` - Entire file removed
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- `QdrantBuilderX` - No longer needed
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- All related tests removed (6 test files)
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- **Unused Generic Interface**: `CustomBuilder[T any]` removed (over-engineering)
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### Changed
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- **Unified Configuration Entry**: All databases now use only `Custom()`
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```go
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// ✅ Before: Two entry points (confusing)
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.Custom(...) // for INSERT/UPDATE/DELETE
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.QdrantX(...) // for SELECT ???
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// ✅ After: One entry point (clear)
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.Custom(NewQdrantBuilder()...Build()) // for ALL operations
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```
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### Why This Matters
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**Human Memory Cost Minimization**:
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- **Before**: Remember when to use `Custom()` vs `QdrantX()`
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- **After**: Always use `Custom()` - one rule, zero confusion
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**Design Philosophy**:
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> "Don't add concepts to solve problems"
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> "Minimize human cognitive load - AI can remember complexity, humans cannot"
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### Migration from v1.2.0
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```go
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// ❌ Old way (v1.2.0)
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xb.Of(...).
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QdrantX(func(qx *QdrantBuilderX) {
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qx.HnswEf(512).ScoreThreshold(0.8)
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})
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// ✅ New way (v1.2.1)
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xb.Of(...).
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Custom(
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xb.NewQdrantBuilder().
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HnswEf(512).
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ScoreThreshold(0.8).
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Build(),
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)
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```
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### Tests
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- All existing tests pass
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- New tests for QdrantBuilder and MySQLBuilder
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- Comprehensive coverage maintained
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---
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## [1.2.0] - 2025-01-XX
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### 🎨 Complete API Unification (Major Improvement over v1.1.0)

‎COMMIT_v1.2.1.txt‎

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feat: v1.2.1 - 统一 Custom() 入口，删除 QdrantX()
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🎯 核心改进：认知负担最小化
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## 新增功能
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### Builder 模式
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- NewQdrantBuilder() - Qdrant 配置构建器
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- NewMySQLBuilder() - MySQL 配置构建器
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- 链式方法：HnswEf(), ScoreThreshold(), WithVector(), UseUpsert() 等
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- 显式 .Build() 转换为 Custom
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### Custom 默认值在 SELECT 中生效
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- QdrantCustom.DefaultHnswEf 现在影响 SELECT 查询
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- QdrantCustom.DefaultScoreThreshold 现在影响 SELECT 查询
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- QdrantCustom.DefaultWithVector 现在影响 SELECT 查询
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- 优先级：Custom 默认值 > 硬编码默认值
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## 删除功能
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### 完全移除 QdrantX()
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- qdrant_x.go 文件
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- QdrantX() 方法
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- QdrantBuilderX 结构
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- 6 个相关测试文件
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### 删除过度设计
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- CustomBuilder[T any] 泛型接口（无实际用途）
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## API 变更
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### 统一配置入口
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Before (v1.2.0):
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```go
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// 两个入口（令人困惑）
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.Custom(...) // INSERT/UPDATE/DELETE
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.QdrantX(...) // SELECT
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```
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After (v1.2.1):
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```go
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// 唯一入口（清晰明了）
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.Custom(NewQdrantBuilder()...Build()) // 所有操作
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```
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## 破坏性变更
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### 迁移指南
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```go
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// ❌ Old
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.QdrantX(func(qx *QdrantBuilderX) {
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qx.HnswEf(512).ScoreThreshold(0.8)
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})
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// ✅ New
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.Custom(
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xb.NewQdrantBuilder().
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HnswEf(512).
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ScoreThreshold(0.8).
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Build(),
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)
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```
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## 设计哲学
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"Don't add concepts to solve problems"
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"Minimize human cognitive load - AI can remember complexity, humans cannot"
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### 技术权衡
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- Go 没有 Java 的 `? extends Custom`
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- 无法用泛型约束 Builder 类型
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- 接受显式 .Build() 调用
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- 换来统一的 API 和最低记忆成本
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## 测试
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- 196 个测试全部通过 ✅
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- 新增 QdrantBuilder 和 MySQLBuilder 测试
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- 删除 QdrantX 相关测试
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- 保持完整的测试覆盖
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## 文件变更
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新增:
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- qdrant_builder_test.go
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- mysql_builder_test.go
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- qdrant_custom_priority_test.go
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修改:
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- qdrant_custom.go (添加 QdrantBuilder)
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- mysql_custom.go (添加 MySQLBuilder)
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- to_qdrant_json.go (Custom 默认值应用)
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- CHANGELOG.md (v1.2.1 条目)
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删除:
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- qdrant_x.go
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- qdrant_x_test.go
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- qdrant_xx_test.go
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- qdrant_compat_test.go
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- qdrant_recommend_test.go
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- qdrant_discover_test.go
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- qdrant_custom_select_test.go
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净减少: 4 个文件
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## 用户只需记住
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1. NewXxxBuilder() - 创建构建器
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2. .Method() - 链式配置
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3. .Build() - 构建配置
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4. Custom() - 统一入口
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4 个步骤，0 个例外，100% 一致性
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---
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xb - 迈向更完美！🚀
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‎README.md‎

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also can build json for some json parameter db, like [Qdrant](https://github.com/qdrant/qdrant) ....
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> 🎉 **v1.2.0 Released**: Complete API Unification! One Insert/Update/Delete API for SQL and vector databases.
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> 🎉 **v1.2.1 Released**: Ultimate API Simplification! One `Custom()` entry point for all database configurations.
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---
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## 🚀 NEW: Unified CRUD API (v1.2.0)
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## 🚀 NEW: Builder Pattern + Unified Entry (v1.2.1)
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**Unified abstraction for SQL and Vector Databases with database-specific features!**
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**One configuration entry for all databases - minimum cognitive load!**
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**✨ New in v1.2.0**:
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- 🎯 **Complete API Unification** - One `Insert(func)` for SQL and vector databases
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- 📝 **No Extra Methods** - No InsertPoint, no Delete(), just the essentials
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- 🔧 **Smart Detection** - Custom automatically handles different data formats
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- 🏗️ **Extreme Simplicity** - Removed 5 preset functions, kept only basics
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- 📚 **Convenience Methods** - SqlOfUpsert(), SqlOfInsertIgnore() for common cases
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**✨ New in v1.2.1**:
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- 🎯 **Builder Pattern** - `NewQdrantBuilder()`, `NewMySQLBuilder()` for fluent configuration
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- 🔧 **Unified Entry** - Only `Custom()` for all operations (INSERT/UPDATE/DELETE/SELECT)
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- 📉 **Lower Cognitive Load** - Humans only remember ONE rule, not two
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- 🔗 **Chain Style** - `.HnswEf().ScoreThreshold().Build()` - fluent and readable
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- ♻️ **Config Reuse** - Builder pattern naturally supports reusing configurations
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```go
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// MySQL UPSERT (v1.2.0) - 无需 Custom
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// Qdrant Vector Search (v1.2.1) - 统一的 Custom() 入口
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built := xb.Of(&CodeVector{}).
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Custom(
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xb.NewQdrantBuilder().
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HnswEf(512).
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ScoreThreshold(0.85).
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WithVector(false).
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Build(),
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).
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VectorSearch("embedding", queryVector, 10).
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Eq("language", "golang").
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Build()
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json, _ := built.JsonOfSelect()
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// MySQL UPSERT (v1.2.1) - 统一的 Custom() 入口
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built := xb.Of(user).
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Custom(
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xb.NewMySQLBuilder().
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UseUpsert(true).
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Build(),
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).
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Insert(func(ib *xb.InsertBuilder) {
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ib.Set("id", user.ID).
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Set("name", user.Name).
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ib.Set("name", user.Name).
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Set("email", user.Email)
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}).
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Build()
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sql, args := built.SqlOfUpsert()
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sql, args := built.SqlOfInsert()
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// INSERT INTO users ... ON DUPLICATE KEY UPDATE ...
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// Qdrant Vector Search (v1.2.0)
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built := xb.Of(&CodeVector{}).
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Custom(xb.NewQdrantCustom()).
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Eq("language", "golang").
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VectorSearch("embedding", queryVector, 10).
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QdrantX(func(qx *xb.QdrantBuilderX) {
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qx.HnswEf(512).ScoreThreshold(0.85) // 配置参数
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}).
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Build()
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json, _ := built.JsonOfSelect()
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// Qdrant CRUD (v1.1.0) - 与 SQL 完全一致的 API
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// Insert
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built := xb.Of(&CodeVector{}).

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