D365: 实体自定义暂存表到目标表

当提供的模板文件不能满足D365数据表的数据结构或者模板的数据不能直接通过DMF导入到实际的业务表时，我们按照模板自定义实体后，可以实现如下方法来将暂存表的数据通过一定的逻辑处理，将数据转换到我们的业务表中，sample代码如下

public static container copyCustomStagingToTarget(DMFDefinitionGroupExecution _dmfDefinitionGroupExecution)
{
    CustCustomerStaging staging;
    CustCustomerStaging stagingUpd;
    
    // Iterate through all records with have not been processed
    while select forupdate staging
        where staging.ExecutionId    == _dmfDefinitionGroupExecution.ExecutionId
        &&   (staging.TransferStatus == DMFTransferStatus::NotStarted || staging.TransferStatus == DMFTransferStatus::Validated)
    {
        try
        {
            ttsbegin;
            // Do your stuff

            staging.TransferStatus = DMFTransferStatus::Completed;
            staging.update();
            ttscommit;
        }
        catch (Exception::Error)
        {
            error("Something wrong has happened.");
        }
    }    

    ttsbegin;
    update_recordset staging
        setting TransferStatus = DMFTransferStatus::Error
        where staging.DefinitionGroup == _dmfDefinitionGroupExecution.DefinitionGroup
        &&    staging.ExecutionId     == _dmfDefinitionGroupExecution.ExecutionId
        &&   (staging.TransferStatus == DMFTransferStatus::NotStarted || staging.TransferStatus == DMFTransferStatus::Validated);
    ttscommit;

    // Method returns a container containing the quantities of inserted and updated records.
    select count(RecId) from staging
        where staging.DefinitionGroup == _dmfDefinitionGroupExecution.DefinitionGroup
            && staging.ExecutionId == _dmfDefinitionGroupExecution.ExecutionId
            && staging.TransferStatus == DMFTransferStatus::Completed;

    return [staging.RecId, 0];
}

需要注意的是，如下想上面的方法被正常执行，我们需要勾上实体上的Set-based processing字段