Graph functions (Transact-SQL)
Applies to: 
SQL Server 2017 (14.x) and later
Azure SQL Database
Azure SQL Managed Instance
Use the functions described on the pages in this section to extract values from, and transform values to, the pseudo-columns used in SQL Graph.
| Function | Description |
|---|---|
| EDGE_ID_FROM_PARTS | Construct an edge_id from object_id and graph_id |
| GRAPH_ID_FROM_EDGE_ID | Extract the graph_id from a edge_id |
| GRAPH_ID_FROM_NODE_ID | Extract the graph_id from a node_id |
| NODE_ID_FROM_PARTS | Construct a node_id from an object_id and a graph_id |
| OBJECT_ID_FROM_EDGE_ID | Extract the object_id from an edge_id |
| OBJECT_ID_FROM_NODE_ID | Extract the object_id from a node_id |