PolarDB:ST_ChunkBands

This function returns the number of bands for a tile of the specified raster object.

Syntax

integer ST_ChunkBands(raster raster_obj)

Parameters

Parameter	Description
raster_obj	The name of the raster object.

Examples

select ST_ChunkBands(rast)
from raster_table;

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