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get_column_info 최적화 작업 #118

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@ehddnr301

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@ehddnr301
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Why❓

  • 기존 로직에서는 각 테이블마다 모든 URN을 순회하여 매칭하는 방식으로 인해 성능 저하 발생
  • 테이블 하나당 30-40초의 과도한 처리 시간으로 인한 사용자 경험 악화
  • 665개 테이블 × 전체 URN 수만큼 중복 연산이 발생하는 비효율적인 구조

How❓

  • URN-테이블명 매핑 딕셔너리를 초기화 단계에서 한 번만 생성

What❓

  • get_column_info 함수 내부 로직 리팩토링
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    datahubThe integration point that retrieves metadata from DataHub to provide better context for query generThe integration point that retrieves metadata from DataHub to provide better context for query generenhancementNew feature or requestNew feature or request

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