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Merged
kcenon merged 1 commit into from
Apr 10, 2026
Merged

fix(orm): replace data race in ENTITY_METADATA with std::call_once #558

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8 changes: 3 additions & 5 deletions database/orm/entity.h
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include <chrono>
#include <unordered_map>
#include <functional>
#include <mutex>
#include <optional>

namespace database::orm
Expand Down Expand Up @@ -288,11 +289,8 @@ namespace database::orm
#define ENTITY_METADATA() \
public: \
const entity_metadata& get_metadata() const override { \
static bool initialized = false; \
if (!initialized) { \
initialize_metadata(); \
initialized = true; \
} \
static std::once_flag init_flag; \
std::call_once(init_flag, [this]() { initialize_metadata(); }); \
return metadata_; \
} \
private: \
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42 changes: 21 additions & 21 deletions docs/README.kr.md
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Expand Up @@ -16,14 +16,14 @@ category: "GUID"

## 목차

- [📚 문서 개요](#-문서-개요)
- [📖 사용 가능한 문서](#-사용-가능한-문서)
- [🚀 빠른 시작](#-빠른-시작)
- [📋 프로젝트 정보](#-프로젝트-정보)
- [📚 문서 개요](#문서-개요)
- [📖 사용 가능한 문서](#사용-가능한-문서)
- [🚀 빠른 시작](#빠른-시작)
- [📋 프로젝트 정보](#프로젝트-정보)
- [현재 상태](#현재-상태)
- [지원 데이터베이스](#지원-데이터베이스)
- [주요 기능](#주요-기능)
- [📖 문서 구조](#-문서-구조)
- [📖 문서 구조](#문서-구조)
- [핵심 문서](#핵심-문서)
- [API Reference](#api-reference)
- [Build Guide](#build-guide)
Expand All @@ -32,23 +32,23 @@ category: "GUID"
- [추가 리소스](#추가-리소스)
- [Changelog](#changelog)
- [Project README](#project-readme)
- [🎯 사용 사례별 문서](#-사용-사례별-문서)
- [🎯 사용 사례별 문서](#사용-사례별-문서)
- [새 사용자](#새-사용자)
- [숙련된 개발자](#숙련된-개발자)
- [DevOps 및 시스템 관리자](#devops-및-시스템-관리자)
- [학생 및 연구자](#학생-및-연구자)
- [🔍 정보 찾기](#-정보-찾기)
- [🔍 정보 찾기](#정보-찾기)
- [기능별](#기능별)
- [데이터베이스 타입별](#데이터베이스-타입별)
- [🤝 문서 기여](#-문서-기여)
- [🤝 문서 기여](#문서-기여)
- [문서 표준](#문서-표준)
- [개선 영역](#개선-영역)
- [제출 프로세스](#제출-프로세스)
- [📞 도움 받기](#-도움-받기)
- [📞 도움 받기](#도움-받기)
- [문서 이슈](#문서-이슈)
- [기술 지원](#기술-지원)
- [지원 리소스](#지원-리소스)
- [📅 문서 로드맵](#-문서-로드맵)
- [📅 문서 로드맵](#문서-로드맵)
- [현재 (v3.0.0)](#현재-v300)
- [향후 개선사항](#향후-개선사항)

Expand Down Expand Up @@ -182,44 +182,44 @@ Database System을 빌드하고 배포하는 데 필요한 모든 것:

**연결 관리**
- API: [Database Manager](API_REFERENCE.kr.md#database-manager)
- 예제: [Basic Usage](guides/SAMPLES_GUIDE.kr.md#기본-사용법-샘플)
- 빌드: [Database Dependencies](guides/BUILD_GUIDE.kr.md#데이터베이스-의존성)
- 예제: [Basic Usage](guides/SAMPLES_GUIDE.kr.md)
- 빌드: [Database Dependencies](guides/BUILD_GUIDE.kr.md)

**연결 풀링**
- API: [Connection Pooling](API_REFERENCE.kr.md#연결-풀링)
- 예제: [Connection Pool Demo](guides/SAMPLES_GUIDE.kr.md#연결-풀-데모)
- 예제: [Connection Pool Demo](guides/SAMPLES_GUIDE.kr.md)
- 성능: [Pool Performance](BENCHMARKS.kr.md#연결-풀-성능)

**쿼리 빌딩**
- API: [Query Builders](API_REFERENCE.kr.md#쿼리-빌더)
- 예제: [Query Builder Examples](guides/SAMPLES_GUIDE.kr.md#쿼리-빌더-예제)
- 예제: [Query Builder Examples](guides/SAMPLES_GUIDE.kr.md)
- 성능: [Builder Performance](BENCHMARKS.kr.md#백엔드별-쿼리-성능)

**다중 데이터베이스 지원**
- API: [Database Types](API_REFERENCE.kr.md#데이터베이스-타입)
- 예제: [Multi-Database Examples](guides/SAMPLES_GUIDE.kr.md#다중-데이터베이스-예제)
- 빌드: [Build Configurations](guides/BUILD_GUIDE.kr.md#빌드-구성)
- 예제: [Multi-Database Examples](guides/SAMPLES_GUIDE.kr.md)
- 빌드: [Build Configurations](guides/BUILD_GUIDE.kr.md)

### 데이터베이스 타입별

**PostgreSQL**
- API: [postgres_manager](API_REFERENCE.kr.md#database_base)
- 예제: [PostgreSQL Advanced](guides/SAMPLES_GUIDE.kr.md#postgresql-고급-샘플)
- 예제: [PostgreSQL Advanced](guides/SAMPLES_GUIDE.kr.md)
- 성능: [PostgreSQL Benchmarks](BENCHMARKS.kr.md#postgresql-벤치마크)

**SQLite**
- 빌드: [SQLite Support](guides/BUILD_GUIDE.kr.md#빌드-구성)
- 예제: [Local Database Usage](guides/SAMPLES_GUIDE.kr.md#기본-사용법-샘플)
- 빌드: [SQLite Support](guides/BUILD_GUIDE.kr.md)
- 예제: [Local Database Usage](guides/SAMPLES_GUIDE.kr.md)
- 성능: [SQLite Benchmarks](BENCHMARKS.kr.md#sqlite-벤치마크)

**MongoDB**
- API: [mongodb_query_builder](API_REFERENCE.kr.md#mongodb_query_builder)
- 예제: [MongoDB Examples](guides/SAMPLES_GUIDE.kr.md#mongodb-쿼리-빌더-예제)
- 예제: [MongoDB Examples](guides/SAMPLES_GUIDE.kr.md)
- 성능: [MongoDB Performance](BENCHMARKS.kr.md#mongodb-벤치마크)

**Redis**
- API: [redis_query_builder](API_REFERENCE.kr.md#redis_query_builder)
- 예제: [Redis Examples](guides/SAMPLES_GUIDE.kr.md#redis-쿼리-빌더-예제)
- 예제: [Redis Examples](guides/SAMPLES_GUIDE.kr.md)
- 성능: [Redis Performance](BENCHMARKS.kr.md#redis-벤치마크)

## 🤝 문서 기여
Expand Down
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