PolarDB:ST_ChunkBands

Syntax

integer ST_ChunkBands(raster raster_obj)

Parameters

Examples

Query the number of bands per tile for each row in raster_table:

SELECT ST_ChunkBands(rast)
FROM raster_table;

Result:

 st_chunkbands
----------
          3

The result 3 means each tile in the raster object contains 3 bands.