摘要: --添加空间字段 SELECT AddGeometryColumn ('GIS', '四至', 4326, 'POLYGON', 2); --根据其他字段更新空间字段数据 update "GIS" b set "四至"=ST_GeomFromText ('POLYGON((' || to_char(a."东经起",'999.9999') || to_char(a."北纬起",'99... 阅读全文
posted @ 2019-05-13 10:00 咸鱼翻身 阅读(1566) 评论(0) 推荐(0)