Definição de fluxo de dados

Este artigo fornece um detalhamento da estrutura de definição para itens de fluxo de dados.

Partes de definição

ContentDetails de metadados

Descreve o conteúdo do conteúdo

Conteúdo computeEngineSettings

Conteúdo de QueryGroups

Conteúdo de QueriesMetadata

Conteúdo da Conexão

Exemplo de ContentDetails de metadados

{
  "formatVersion": "202502",
  "computeEngineSettings": {
    "allowFastCopy": true,
    "maxConcurrency": 1
  },
  "name": "SampleDataflowGen",
  "queryGroups": [
    
  ],
  "documentLocale": "en-US",
  "gatewayObjectId": null,
  "queriesMetadata": {
    "publicholidays": {
      "queryId": "a0a0a0a0-bbbb-cccc-dddd-e1e1e1e1e1e1",
      "queryName": "publicholidays",
      "queryGroupId": null,
      "isHidden": false,
      "loadEnabled": true
    },
    "MDF transform": {
      "queryId": "9c6d7c87-83db-4718-b382-c0c1aa1636d7",
      "queryName": "MDF transform",
      "loadEnabled": false
    }
  },
  "connections": [
    {
      "path": "Lakehouse",
      "kind": "Lakehouse",
      "connectionId": "{\"ClusterId\":\"b1b1b1b1-cccc-dddd-eeee-f2f2f2f2f2f2\",\"DatasourceId\":\"c2c2c2c2-dddd-eeee-ffff-a3a3a3a3a3a3\"}"
    }
  ],
  "fastCombine": false,
  "allowNativeQueries": true,
  "skipAutomaticTypeAndHeaderDetection": false
}

Exemplo de ContentDetails do Mashup

[StagingDefinition = [Kind = "FastCopy"]]
section Section1;
shared publicholidays = 
let  Source = Lakehouse.Contents([]),  
#"Navigation 1" = Source{[workspaceId = "d3d3d3d3-eeee-ffff-aaaa-b4b4b4b4b4b4"]}[Data],  
#"Navigation 2" = #"Navigation 1"{[lakehouseId = "e4e4e4e4-ffff-aaaa-bbbb-c5c5c5c5c5c5"]}[Data],  
#"Navigation 3" = #"Navigation 2"{[Id = "publicholidays", ItemKind = "Table"]}[Data],  
#"Changed column type" = Table.TransformColumnTypes(#"Navigation 3", {{"normalizeHolidayName", type text}}),  
#"Lowercased text" = Table.TransformColumns(#"Changed column type", {{"countryRegionCode", each Text.Lower(_), type nullable text}}),  
#"Uppercased text" = Table.TransformColumns(#"Lowercased text", {{"normalizeHolidayName", each Text.Upper(_), type nullable text}}),  
#"Calculated text length" = Table.TransformColumns(#"Uppercased text", {{"countryOrRegion", each Text.Length(_), type nullable Int64.Type}})in  #"Calculated text length";
[ItemType = "MDF"]
shared #"MDF transform" = "___ExternalResource-Placeholder___";

MDFTransform ContentDetails

Descreve o conteúdo de uma carga de Fluxo de Dados de mapeamento.

Conteúdo de propriedades MDFTransform

Conteúdo TypeProperties MDFTransform

Conteúdo de origem MDFTransform

Conteúdo do coletor MDFTransform

Conteúdo da transformação MDFTransform

Conteúdo de ExternalReferences de MDFTransform

Exemplo de ContentDetails de MDFTransform

{
  "name": "MDF",
  "properties": {
    "type": "MappingDataFlow",
    "typeProperties": {
      "sources": [
        {
          "name": "source1",
          "externalReferences": {
            "connection": "<source1ConnectionId>"
          }
        }
      ],
      "sinks": [
        {
          "name": "sink1",
          "externalReferences": {
            "connection": "<sink1ConnectionId>"
          }
        }
      ],
      "transformations": [
        {
          "name": "derivedColumn1"
        }
      ],
      "scriptLines": [
        "source(output(",
        "          Column1 as short,",
        "          Column2 as string,",
        "          Column3 as date,",
        "          Column4 as boolean,",
        "          Column5 as string,",
        "          Column6 as double",
        "     ),",
        "     useSchema: false,",
        "     allowSchemaDrift: true,",
        "     validateSchema: false,",
        "     ignoreNoFilesFound: false,",
        "     format: 'delimited',",
        "     fileSystem: 'folder1',",
        "     fileName: 'file1.csv',",
        "     columnDelimiter: ',',",
        "     escapeChar: '\\\\',",
        "     quoteChar: '\\\"',",
        "     columnNamesAsHeader: true) ~> source1",
        "source1 derive(isColumn6GreaterThan10 = Column6>10) ~> derivedColumn1",
        "derivedColumn1 sink(allowSchemaDrift: true,",
        "     validateSchema: false,",
        "     format: 'json',",
        "     fileSystem: 'output1',",
        "     umask: 0022,",
        "     preCommands: [],",
        "     postCommands: [],",
        "     skipDuplicateMapInputs: true,",
        "     skipDuplicateMapOutputs: true) ~> sink1"
      ]
    }
  }
}