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Feature/project leaf operators + project Operator
define Expr Interface & Expr Operators
Integrate the frontend http server into pre-release
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Pull request overview
This PR represents a major pre-release milestone for the OptiSQL project, transitioning from a C++ proof-of-concept to a production-ready multi-language implementation with a FastAPI frontend and comprehensive Go/Rust backends.
Key Changes:
- Complete FastAPI frontend with health/query endpoints, test suite, and Docker support
- Extensive Go backend implementation of operators (project, filter, limit) with Arrow integration
- Test infrastructure with unit and integration tests
- S3 source support for remote data access
- CSV and Parquet file format support
Reviewed changes
Copilot reviewed 69 out of 79 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
src/FrontEnd/main.cpp |
Removed old C++ implementation |
src/FrontEnd/app/* |
New FastAPI application with routes, models, config, and logging |
src/FrontEnd/tests/* |
Comprehensive test suite (unit + integration) with fixtures |
src/FrontEnd/requirements.txt |
Python dependencies for FastAPI server |
src/FrontEnd/Dockerfile |
Docker configuration for containerized deployment |
src/Backend/opti-sql-go/operators/project/* |
Project operator with CSV/Parquet sources and S3 support |
src/Backend/opti-sql-go/operators/filter/* |
Filter and limit operators with expression evaluation |
src/Backend/opti-sql-go/operators/record.go |
Enhanced RecordBatch with Operator interface |
src/Backend/opti-sql-go/operators/serialize_test.go |
Fixed test output (fmt.Printf → t.Logf) |
src/Backend/opti-sql-rs/src/main.rs |
Added DataFusion and Substrait integration |
src/Backend/test_data/* |
Test data files (CSV, Parquet) for validation |
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…or-Impl Feature/limit & filter &wildcard operator impl
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