ST_BandPath — Returns system file path to a band stored in file system. If no bandnum specified, 1 is assumed.
text ST_BandPath(raster rast, integer bandnum=1);
Returns system file path to a band. Throws an error if called with an in db band.
WITH foo AS (
SELECT ST_AddBand(
NULL::raster,
'/home/pele/devel/geo/postgis-git/raster/test/regress/loader/Projected.tif',
NULL::int[]
) AS rast
)
SELECT bandnum, ST_BandPath(rast, bandnum) AS path
FROM foo
CROSS JOIN generate_series(1, 3) AS bandnum;
bandnum | path
---------+----------------------------------------------------------------------------
1 | /home/pele/devel/geo/postgis-git/raster/test/regress/loader/Projected.tif
2 | /home/pele/devel/geo/postgis-git/raster/test/regress/loader/Projected.tif
3 | /home/pele/devel/geo/postgis-git/raster/test/regress/loader/Projected.tif