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    ApsaraDB RDS:ST_ChunkBands

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    ApsaraDB RDS:ST_ChunkBands

    Last Updated:Mar 28, 2026

    Returns the number of bands for a tile of the specified raster object.

    Syntax

    integer ST_ChunkBands(raster raster_obj)

    Parameters

    ParameterDescription
    raster_objThe name of the raster object.

    Examples

    Query the number of bands for each row in a raster table:

    SELECT ST_ChunkBands(rast)
FROM raster_table;

    Output:

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