DataFusion SQL rules
Supervisory fault detection runs as DataFusion SQL against Arrow historian tables. Rules reference semantic point names from the Haystack assignment graph.
Rule Cookbook (start here)
| Guide | Content |
|---|---|
| Rule Cookbook hub | DataFusion SQL + Pandas — FC1–FC15, GL36, economizer, plants, sensors |
| DataFusion SQL cookbook | Edge runtime — copy-paste rules for /sql-fdd and API |
| Pandas cookbook | Same rules for analyst workflows outside Open-FDD |
Reference
| Guide | Content |
|---|---|
| DataFusion SQL | Rule lifecycle, API, workbench |
| Examples | Short illustrative queries |
Dashboard: SQL FDD Rules tab (/sql-fdd).