Sets a metadata item on a raster or one of its bands.
Syntax
raster ST_SetMetaData(raster raster_obj,
text key,
text value);
raster ST_MetaData(raster raster_obj,
integer band,
text key,
text value);Parameters
Parameter name | Description |
raster_obj | The raster whose metadata item you want to specify. |
band | The sequence number of the band whose metadata item you want to specify. Valid values start from 0. |
key | The name of the metadata item. |
value | The value of the metadata item. Setting this to an empty string ( |
Examples
Set and retrieve a raster-level metadata item:
SELECT ST_MetaData(ST_SetMetaData(rast, 'NETCDF_DIM_time', '12345'), 'NETCDF_DIM_time')
FROM raster_table
st_metadata
------------
12345Set and retrieve a band-level metadata item on band 0:
SELECT ST_MetaData(ST_SetMetaData(rast, 0, 'NETCDF_DIM_time', '12345'), 0, 'NETCDF_DIM_time')
FROM raster_table
st_metadata
------------
12345