Override an External ID with an idLookup for Upserts
Override an External ID with an idLookup for Upserts
The Data Integration Service can use the external ID or idLookup fields when performing an upsert operation to identify records in a Salesforce target. By default, the Data Integration Service uses the external ID field for upserts. You can configure the session to override the external ID field and use the idLookup field, instead.