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안티 조인

항목값
화면 이름Anti join
식별자complexAntiJoinV1
지원 실행 방식Batch, Faster
범주조인 (Join)

오른쪽 데이터셋과 조인 조건이 일치하는 왼쪽 행을 제거합니다.

입력 인자

이름지정 여부자료형의미와 조건
Condition for columns to select on the left필수ColumnPredicate왼쪽 스키마의 각 열을 검사하여 조건에 맞는 열만 출력으로 선택합니다.
Join condition필수Expression<Boolean>조인 조건입니다.
Left dataset필수Table조인에 사용할 왼쪽 데이터셋입니다.
Right dataset필수Table조인에 사용할 오른쪽 데이터셋입니다.

입출력 예시

예시 1: 기본 동작

인자 값:

  • Condition for columns to select on the left:
    columnNameIsIn(
     columnNames: [tail_number, airline],
    )
  • Join condition:
    equals(
     left: tail_number,
     right: tail_number,
    )
  • Left dataset: ri.foundry.main.dataset.left
  • Right dataset: ri.foundry.main.dataset.right

입력:

ri.foundry.main.dataset.left

tail_numberairlinemilesfactor
XB-123foundry air1242
MT-222new airline11235
XB-123foundry airline3355
MT-222new air5654
KK-452new air2221
PA-452new air2122
XB-123foundry airline11342

ri.foundry.main.dataset.right

tail_numberhome_airport
XB-123LHR
MT-222CPH
KK-452JFK
JR-201IAD

출력:

tail_numberairline
PA-452new air

예시 2: 기본 동작

여러 비교를 결합한 조인 조건의 예시입니다.

인자 값:

  • Condition for columns to select on the left:
    columnNameIsIn(
     columnNames: [tail_number, airline, factor],
    )
  • Join condition:
    and(
     conditions: [
    lessThan(
     left: factor,
     right: factor,
    ),
    equals(
     left: tail_number,
     right: tail_number,
    )],
    )
  • Left dataset: ri.foundry.main.dataset.left
  • Right dataset: ri.foundry.main.dataset.right

입력:

ri.foundry.main.dataset.left

tail_numberairlinemilesfactor
XB-123foundry air1242
MT-222new airline11235
XB-123foundry airline3355
MT-222new air5654
KK-452new air2221
PA-452new air2122
XB-123foundry airline11342

ri.foundry.main.dataset.right

tail_numberhome_airportfactor
XB-123LHR2
MT-222CPH1
KK-452JFK10
JR-201IAD4

출력:

tail_numberairlinefactor
XB-123foundry air2
MT-222new airline5
XB-123foundry airline5
MT-222new air4
PA-452new air2
XB-123foundry airline2

예시 3: 기본 동작

인자 값:

  • Condition for columns to select on the left:
    columnNameIsIn(
     columnNames: [tail_number, airline, factor],
    )
  • Join condition:
    and(
     conditions: [
    equals(
     left: tail_number,
     right: tail_number,
    ),
    equals(
     left: factor,
     right: factor,
    )],
    )
  • Left dataset: ri.foundry.main.dataset.left
  • Right dataset: ri.foundry.main.dataset.right

입력:

ri.foundry.main.dataset.left

tail_numberairlinemilesfactor
XB-123foundry air1242
MT-222new airline11235
XB-123foundry airline3355
MT-222new air5654
KK-452new air2221
PA-452new air2122
XB-123foundry airline11342

ri.foundry.main.dataset.right

tail_numberhome_airportfactor
XB-123LHR2
MT-222CPH1
KK-452JFK10
JR-201IAD4

출력:

tail_numberairlinefactor
MT-222new airline5
XB-123foundry airline5
MT-222new air4
KK-452new air1
PA-452new air2

예시 4: 기본 동작

인자 값:

  • Condition for columns to select on the left:
    allColumns(

    )
  • Join condition:
    equals(
     left: tail_number,
     right: tail_number,
    )
  • Left dataset: ri.foundry.main.dataset.left
  • Right dataset: ri.foundry.main.dataset.right

입력:

ri.foundry.main.dataset.left

tail_numberairlinemilesfactor
XB-123foundry air1242
MT-222new airline11235
XB-123foundry airline3355
MT-222new air5654
KK-452new air2221
PA-452new air2122
XB-123foundry airline11342

ri.foundry.main.dataset.right

tail_numberhome_airport
XB-123LHR
MT-222CPH
KK-452JFK
JR-201IAD

출력:

tail_numberairlinemilesfactor
PA-452new air2122