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Use heredoc instead of echo for multi-line C++ code to avoid shell interpretation issues. Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>
119 lines
3.9 KiB
Markdown
119 lines
3.9 KiB
Markdown
# C++ Implementation Status
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## Current State: Infrastructure Only
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The C++ DBAL implementation is currently in the **planning phase**. The following infrastructure has been set up:
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### ✅ Available
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- **Build System**: CMakeLists.txt with Conan + Ninja support
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- **Build Assistant**: `dbal/tools/cpp-build-assistant.js` for build automation
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- **CI/CD**: GitHub Actions workflow (`cpp-build.yml`) with conditional execution
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- **Project Structure**: Directory layout and header files
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- **Documentation**: Comprehensive README.md with architecture plans
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### ❌ Not Yet Implemented
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- **Source Files**: No `.cpp` implementation files exist yet
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- **Core Library**: Client, error handling, capabilities
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- **Query Engine**: AST, query builder, normalizer
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- **Database Adapters**: SQLite, MongoDB adapters
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- **Daemon**: Server, security implementation
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- **Tests**: Unit, integration, and conformance tests
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- **Utilities**: UUID generation, backoff strategies
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## Why CI is Skipped
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The GitHub Actions workflow includes a **check-implementation** job that:
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1. Checks if `dbal/cpp/src/` directory exists
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2. Verifies at least one `.cpp` file is present
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3. Sets `has_sources=false` if implementation is missing
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4. Skips all build/test jobs when sources don't exist
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This prevents CI failures while the C++ codebase is under development.
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## Implementation Roadmap
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### Phase 1: Core Types & Errors (Not Started)
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- [ ] `src/errors.cpp` - Error handling and Result type
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- [ ] `src/types.cpp` - Basic type system
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- [ ] `src/capabilities.cpp` - Capability detection
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### Phase 2: Query Builder (Not Started)
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- [ ] `src/query/ast.cpp` - Abstract syntax tree
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- [ ] `src/query/builder.cpp` - Query construction
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- [ ] `src/query/normalize.cpp` - Query normalization
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### Phase 3: Client (Not Started)
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- [ ] `src/client.cpp` - Main client interface
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- [ ] `src/util/uuid.cpp` - UUID generation
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- [ ] `src/util/backoff.cpp` - Retry logic
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### Phase 4: Adapters (Not Started)
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- [ ] `src/adapters/sqlite/sqlite_adapter.cpp`
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- [ ] `src/adapters/sqlite/sqlite_pool.cpp`
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### Phase 5: Daemon (Not Started)
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- [ ] `src/daemon/main.cpp` - Entry point
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- [ ] `src/daemon/server.cpp` - Server implementation
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- [ ] `src/daemon/security.cpp` - Security/ACL
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### Phase 6: Testing (Not Started)
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- [ ] `tests/unit/` - Unit tests
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- [ ] `tests/integration/` - Integration tests
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- [ ] `tests/conformance/` - Conformance tests
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## How to Start Implementation
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When you're ready to implement the C++ codebase:
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1. **Create the src directory**:
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```bash
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mkdir -p dbal/cpp/src/{query,util,adapters/sqlite,daemon}
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```
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2. **Create a minimal main.cpp to test the build**:
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```bash
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cat > dbal/cpp/src/daemon/main.cpp << 'EOF'
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#include <iostream>
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int main() {
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std::cout << "DBAL Daemon v0.1.0" << std::endl;
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return 0;
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}
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EOF
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```
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3. **Add stub implementations** for files referenced in CMakeLists.txt
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4. **Test the build locally**:
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```bash
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npm run cpp:check
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npm run cpp:full
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```
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5. **Commit and push** - CI will now detect sources and run builds
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## Why This Approach?
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**Benefits of conditional CI**:
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- ✅ No false-negative CI failures during development
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- ✅ Infrastructure is tested and ready when implementation begins
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- ✅ Clear signal when implementation starts (CI will activate)
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- ✅ Documentation and plans can be refined without CI noise
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**Alternative approaches considered**:
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- ❌ Disable workflow entirely - hides important infrastructure
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- ❌ Create stub implementations - creates technical debt
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- ❌ Mark as `continue-on-error` - hides real build failures
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## Questions?
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If you're working on the C++ implementation:
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- Check `dbal/cpp/README.md` for architecture details
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- Review `dbal/cpp/CMakeLists.txt` for build configuration
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- Use `dbal/tools/cpp-build-assistant.js` for build commands
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- See `.github/workflows/cpp-build.yml` for CI details
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---
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**Last Updated**: 2025-12-24
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**Status**: Infrastructure Ready, Implementation Pending
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