Export Lakehouse Query Results to CSV in ADLS (via MSI) URL as Secret
Execute a Query against the Lakehouse and export the results to a CSV File in Azure Data Lake Storage Gen2.
To use this activity within the API, use an ActivityCode of DELTA-QUERY-CSV-ADLS.
Example JSON
An example of what the Task Config would look like for a task using this activity. Some of these variables would be set at the group level to avoid duplication between tasks.
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Variable Reference
The following variables are supported:
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SourceConnection- (Required) Source connection to use. -
DeltaQuery- (Optional) Query to run against the Lakehouse. -
TargetConnection- (Required) Target connection to use. -
TargetRelativePath- (Required) The relative path to store the csv file under. -
TargetFilename- (Required) The filename to save the exported results as. -
SaveExportToHistory- (Optional) Save the exported data to history in the Lakehouse? -
DatabricksClusterId- (Optional) The Id of the Databricks Cluster to use to run the Notebook or Query. -
ExtractControlQuery- (Optional) For incremental loads only, a SQL query to get a 'high-water' mark for extract control. For instance, this could be the maximum value of an modified_date or an identity column. NOTE: The column returned must be aliased as ExtractControl e.g. select max(modified_date) as ExtractControl from some_table. -
ExtractControlVariableName- (Optional) For incremental loads only, the name to assign the Extract Control variable in State Config for the ExtractControl value derived from the Extract Control Query above. -
ExtractControlVariableSeedValue- (Optional) The initial value to set for the Extract Control variable in State Config - this will have no impact beyond the original seeding of the Extract Control variable in State Config. -
DIUsToUseForCopyActivity- (Optional) Specifies the powerfulness of the copy executor. Value can be between 2 and 256. When left at default, the Data Factory dynamically applies the optimal DIU setting based on the source-sink pair and data pattern. -
MaximumNumberOfAttemptsAllowed- (Optional) The total number of times the running of this Task can be attempted. -
MinutesToWaitBeforeNextAttempt- (Optional) If a Task run fails, the number of minutes to wait before re-attempting the Task. -
IsFederated- (Optional) Makes task available to other Insight Factories within this organisation. -
Links- (Optional) NULL