UniqueStage
Entity-set stage that removes duplicate rows. subset limits the comparison to the listed columns, and keep selects which duplicate is retained.
opOp (string)필수
상수 값:
uniquesubset object
하나 이상(anyOf)
- string[]
- null
Array [
string
]
keepKeep (string)
Possible values: [any, first, last, none]
기본값:
anyUniqueStage
{
"op": "unique",
"subset": [
"string"
],
"keep": "any"
}