postgis.enable_outdb_rasters — A boolean configuration option to enable access to out-db raster bands.
A boolean configuration option to enable access to out-db raster bands. This option can be set in PostgreSQL's configuration file: postgresql.conf. It can also be set by connection or transaction.
                    The initial value of postgis.enable_outdb_rasters may also be set by passing the environment variable POSTGIS_ENABLE_OUTDB_RASTERS with a non-zero value to the process starting PostgreSQL.
                
                 
               | 
              |
| 
                 
                        Even if   | 
            
                 
               | 
              |
| 
                 
                        In the standard PostGIS installation,   | 
            
Availability: 2.2.0
Set and reset postgis.enable_outdb_rasters for current session
SET postgis.enable_outdb_rasters TO True;
SET postgis.enable_outdb_rasters = default;
SET postgis.enable_outdb_rasters = True;
SET postgis.enable_outdb_rasters = False;
                
        Set for all new connections to a specific database
ALTER DATABASE gisdb SET postgis.enable_outdb_rasters = true;
                
        Setting for whole database cluster. Requires super user access. Also note that database, session, and user settings override this.
 --writes to postgres.auto.conf
ALTER SYSTEM SET postgis.enable_outdb_rasters = true;
 --Reloads postgres conf
SELECT pg_reload_conf();