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Azure 数据工厂中接收器中的关键列字段

[英]Key columns field in Sink in Azure Data Factory

When building a data flow and then sinking it into exsiting SQL database, the 'Key column' field in the 'Settinds' tab causes a problem, because it seems that it cannot take the existing parameter.在构建数据流然后将其沉入现有的 SQL 数据库时,“Settinds”选项卡中的“Key column”字段会导致问题,因为它似乎无法采用现有参数。 A similar question was recently asked: Passing the Dataflow Parameter to Sink Key column in Azure Data factory , but even if I choose a 'Custom expression' and then take my existing paramter - a composite key 'Column1,Column2,Column3' that I used before for hashing - the rectangular remains red, ie it does not accept the expression.最近有人问了一个类似的问题: Passing the Dataflow Parameter to Sink Key column in Azure Data factory ,但即使我选择“自定义表达式”然后采用我现有的参数 - 我使用的复合键 'Column1,Column2,Column3'在散列之前 - 矩形保持红色,即它不接受表达式。 Thank you for your advice.感谢您的意见。

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