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If your report or column group is not using any of the objects being changed then your report or column group will not break.
Replace Fields in Cognos Reports
| BIA Activity | Cognos | Tableau | Column Groups |
|---|---|---|---|
| New field added | No impact | No impact | No impact |
| New folder added containing only new fields | No impact | No impact | No impact |
| Existing field name change | Breaks report | Breaks report | Breaks connection |
| Existing folder name change | Breaks report | No impact | No impact |
| Field Moved to Another Folder | Breaks report | No impact | No impact |
| Field type change | Breaks report | Breaks report | Breaks connection |
| Field aggregation change | Won't break report but it may change the totals | Won't break report but it may change the totals | No impact |
| Package / Data source name change | Creates a new package not connected to existing reports or disconnects package from report | Creates a new Data Source not connected to existing reports or disconnects Data Source | Not applicable |
| Column Group name change | No impact | No impact | Breaks connection |
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