ST_RastFromHexWKB — 从 Well-Known Binary (WKB) 栅格的十六进制表示形式返回一个栅格值。
raster ST_RastFromHexWKB(
text wkb)
;
SELECT (ST_Metadata( ST_RastFromHexWKB( '010000000000000000000000400000000000000840000000000000E03F000000000000E03F000000000000000000000000000000000A0000000A001400' ) )).* AS metadata; upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy | srid | numbands ------------+------------+-------+--------+--------+--------+-------+-------+------+---------- 0.5 | 0.5 | 10 | 20 | 2 | 3 | 0 | 0 | 10 | 0