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Copy JSON Array data from REST data factory to Azure Blob as is


Copy JSON Array data from REST data factory to Azure Blob as is

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Copy JSON Array data from REST data factory to Azure Blob as is
Tag : json , By : chawei
Date : November 28 2020, 12:01 PM

wish helps you If you want to write the JSON response as is, you can use an HTTP connector. However, please note that the HTTP connector doesn't support pagination.
If you want to keep using the REST connector and to write a csv file as output, can you please specify how you want the nested objects and arrays to be written ?

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How to copy CosmosDb docs to Blob storage (each doc in single json file) with Azure Data Factory


Tag : azure , By : Marcos de Carvalho
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Since your cosmosdb has array and ADF doesn't support serialize array for cosmos db, this is the workaround I can provide.
First, export all your document to json files with export json as-is (to blob or adls or file systems, any file storage). I think you already knows how to do it. In this way, each collection will have a json file.
{
"name": "pipeline27",
"properties": {
    "activities": [
        {
            "name": "Lookup1",
            "type": "Lookup",
            "policy": {
                "timeout": "7.00:00:00",
                "retry": 0,
                "retryIntervalInSeconds": 30,
                "secureOutput": false
            },
            "typeProperties": {
                "source": {
                    "type": "BlobSource",
                    "recursive": true
                },
                "dataset": {
                    "referenceName": "AzureBlob7",
                    "type": "DatasetReference"
                },
                "firstRowOnly": false
            }
        },
        {
            "name": "ForEach1",
            "type": "ForEach",
            "dependsOn": [
                {
                    "activity": "Lookup1",
                    "dependencyConditions": [
                        "Succeeded"
                    ]
                }
            ],
            "typeProperties": {
                "items": {
                    "value": "@activity('Lookup1').output.value",
                    "type": "Expression"
                },
                "activities": [
                    {
                        "name": "Copy1",
                        "type": "Copy",
                        "policy": {
                            "timeout": "7.00:00:00",
                            "retry": 0,
                            "retryIntervalInSeconds": 30,
                            "secureOutput": false
                        },
                        "typeProperties": {
                            "source": {
                                "type": "DocumentDbCollectionSource",
                                "query": {
                                    "value": "select @{item()}",
                                    "type": "Expression"
                                },
                                "nestingSeparator": "."
                            },
                            "sink": {
                                "type": "BlobSink"
                            },
                            "enableStaging": false,
                            "cloudDataMovementUnits": 0
                        },
                        "inputs": [
                            {
                                "referenceName": "DocumentDbCollection1",
                                "type": "DatasetReference"
                            }
                        ],
                        "outputs": [
                            {
                                "referenceName": "AzureBlob6",
                                "type": "DatasetReference",
                                "parameters": {
                                    "id": {
                                        "value": "@item().id",
                                        "type": "Expression"
                                    },
                                    "PartitionKey": {
                                        "value": "@item().PartitionKey",
                                        "type": "Expression"
                                    }
                                }
                            }
                        ]
                    }
                ]
            }
        }
    ]
},
"type": "Microsoft.DataFactory/factories/pipelines"
   {
"name": "AzureBlob7",
"properties": {
    "linkedServiceName": {
        "referenceName": "bloblinkedservice",
        "type": "LinkedServiceReference"
    },
    "type": "AzureBlob",
    "typeProperties": {
        "format": {
            "type": "JsonFormat",
            "filePattern": "arrayOfObjects"
        },
        "fileName": "cosmos.json",
        "folderPath": "aaa"
    }
},
"type": "Microsoft.DataFactory/factories/datasets"
{
"name": "DocumentDbCollection1",
"properties": {
    "linkedServiceName": {
        "referenceName": "CosmosDB-r8c",
        "type": "LinkedServiceReference"
    },
    "type": "DocumentDbCollection",
    "typeProperties": {
        "collectionName": "test"
    }
},
"type": "Microsoft.DataFactory/factories/datasets"
{
"name": "AzureBlob6",
"properties": {
    "linkedServiceName": {
        "referenceName": "AzureStorage-eastus",
        "type": "LinkedServiceReference"
    },
    "parameters": {
        "id": {
            "type": "String"
        },
        "PartitionKey": {
            "type": "String"
        }
    },
    "type": "AzureBlob",
    "typeProperties": {
        "format": {
            "type": "JsonFormat",
            "filePattern": "setOfObjects"
        },
        "fileName": {
            "value": "@{dataset().PartitionKey}-@{dataset().id}.json",
            "type": "Expression"
        },
        "folderPath": "aaacosmos"
    }
},
"type": "Microsoft.DataFactory/factories/datasets"

Azure Data Factory V2 Copy Activity to Data Warehouse from Blob storage


Tag : development , By : Ben Kohn
Date : March 29 2020, 07:55 AM
around this issue yes. You can put as many as you want activities in your if activity. So you can take details about blob storage with getMetadata activity (check exists property in the documentation, link below).
https://docs.microsoft.com/en-us/azure/data-factory/control-flow-get-metadata-activity

Azure Data Factory Copy Data dynamically get last blob


Tag : azure , By : potix2
Date : March 29 2020, 07:55 AM
Hope that helps "@triggerBody().folderPath" and "@triggerBody().fileName" captures the last created blob file path in event trigger. You need to map your pipeline parameter to these two trigger properties. Please follow this link to do the parameter passing and reference. .

Copy Blob Data To Sql Database in Azure Data Factory with Conditions


Tag : azure , By : James Cary
Date : March 29 2020, 07:55 AM
I wish this help you Data factory in general only moves data, it doesnt modify it. What you are trying to do might be done using a staging table in the sink sql.
You should first load the json values as-is from the blob storage in the staging table, then copy it from the staging table to the real table where you need it, applying your logic to filter in the sql command used to extract it.

Azure Data factory, How to incrementally copy blob data to sql


Tag : development , By : mckasty
Date : March 29 2020, 07:55 AM
I wish this help you You could use ADF event trigger to achieve this.
Define your event trigger as 'blob created' and specify the blobPathBeginsWith and blobPathEndsWith property based on your filename pattern.
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