text NDR_or_XDR); bytea ST_AsBinary(geography g1); bytea ST_AsBinary(geography g1, text NDR_or_XDR); //示例 SELECT ST_AsBinary(ST_GeomFromText('POLYGON((0 0,0 1,1 1,1 0,0 0))',4326)); st_asbinary --- \001\003\000\000\000\001\000\000\000\005 \000\000\000\000\...
The ST_AsMVT() function uses the function name ("public.countries_name") as the MVT layer name. This is not required, but for clients that self-configure, it allows them to use the function name as the layer source name. In the filter portion of the query (in the WHERE clause) the...
SELECT ST_AsMVT(mvtgeom.*) FROM mvtgeom;
The ST_AsMVT() function uses the function name ("public.countries_name") as the MVT layer name. This is not required, but for clients that self-configure, it allows them to use the function name as the layer source name. In the filter portion of the query (in the WHERE clause) the...