ST_ChunkHeight function for returning raster object tile height - PolarDB

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

Syntax

integer ST_ChunkHeight(raster raster_obj)

Parameter	Description
`raster_obj`	The raster object.

ST_ChunkHeight returns the height of each tile in pixels.

SELECT ST_ChunkHeight(rast)
FROM raster_table;

Expected output:

 st_chunkheight
----------
       256