Returns the names of all customized metadata items attached to a raster or a specific band.
Syntax
text[] ST_metaItems(raster raster_obj)
text[] ST_metaItems(raster raster_obj, integer band)Parameters
| Parameter | Type | Description |
|---|---|---|
raster_obj | raster | The raster whose customized metadata items you want to obtain. |
band | integer | The band index. Valid values start from 0. Omit this parameter to retrieve metadata at the raster level. |
Examples
Raster-level metadata items
SELECT ST_MetaItems(raster_obj)
FROM raster_table;Result:
{latitude#long_name,latitude#units,longitude#long_name,longitude#units,NC_GLOBAL#Conventions,NC_GLOBAL#history,NETCDF_DIM_EXTRA,NETCDF_DIM_time_DEF,NETCDF_DIM_time_VALUES}Band-level metadata items
SELECT ST_MetaItems(raster_obj, 0)
FROM raster_table;Result:
{add_offset,long_name,missing_value,NETCDF_DIM_time,NETCDF_VARNAME,scale_factor,units,_FillValue}