Query the tile width of a raster object using ST_ChunkWidth - PolarDB

Returns the tile width of a raster object, measured in pixels.

Syntax

integer ST_ChunkWidth(raster raster_obj)

Parameter	Description
`raster_obj`	The raster object to query.

ST_ChunkWidth returns the width of a single tile in the specified raster object. The width is expressed in pixels.

SELECT ST_ChunkWidth(rast)
FROM raster_table;

Output:

 st_chunkwidth
-----------
         256