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TrinoRoutingGroupHeaderRouter.md

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TrinoRoutingGroupHeaderRouter

This very simple router looks at the X-Trino-Routing-Group header (name of the header is configurable) and send the query to whatever cluster group was put in the header (e.g. X-Trino-Routing-Group: foo would go to the cluster group foo). In case the specified cluster group does not exist the router will not make a decision and therefore let the next router in the chain decide.

Configuration

The configuration of the Router is very simple, as it does not need any properties:

routers:
  - trinoRoutingGroupHeader: {}

Additionally you can configure the name of the HTTP header in case it differs from X-Trino-Routing-Group:

routers:
  - trinoRoutingGroupHeader:
      headerName: X-My-Custom-Routing-Header # optional, defaults to X-Trino-Routing-Group