Gladius (de-gladius)
군단병 주력검. 가장 자주 쓰는 변환·쿼리 도구.
선언형 변환(map/steps)을 SQL로 컴파일해 DuckDB에서 실행하는 엔진. 필터·
리네임·캐스팅·정렬·중복 제거 같은 흔한 변환을 YAML 레시피로 표현하면, 손으로
쓴 SQL과 동일한 결과를 벡터화 엔진으로 빠르게 낸다. gladius compile로 생성된
SQL을 그대로 확인할 수 있어 마법이 없다. gladius query로 수집 결과 Parquet에
바로 SQL을 던지는 미니 DWH로도 쓴다.
설치
pip install de-gladius
배포명은 de-gladius지만 Python import와 CLI는 기존처럼 gladius다.
사용 예
# transform.yaml
name: clean-issues
input: ./data/issues
steps:
- filter: "state = 'open'"
- rename: { created_at: opened_at }
- cast: { number: bigint }
- select: [number, title, opened_at, user]
output: ./data/issues_clean
gladius compile transform.yaml # 생성될 SQL을 미리 확인
gladius run transform.yaml # Parquet in → DuckDB → Parquet out
gladius query "SELECT count(*) FROM './data/issues_clean/*.parquet'"
문서
- docs/01-scope.md — Gladius가 다루는 범위(M3)
- docs/08-limits.md — 단일 노드 처리 envelope(벤치마크 실측)
- benchmarks/RESULTS.md — 변환 벤치마크 수치
- 저장소 루트 README
1 maintainer
Metadata
1 maintainer
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