4
从PostGIS表中获取每一列的数据类型?
我需要获取表中所有列的列数据类型,包括几何类型。我想知道的是,是否存在提供类似以下内容的函数或SQL: column_name | data_type ------------+-------------- gid | integer descr | character varying(32) class | character varying(10) area | double precision geom | geometry(Polygon,3763) 从这几个答案stackexchange和gis.stackexchange我知道,我可以得到一些与下面的查询的信息: SELECT g.column_name, g.data_type, g.character_maximum_length, g.udt_name, f.type, f.srid FROM information_schema.columns as g JOIN geometry_columns AS f ON (g.table_schema = f.f_table_schema and g.table_name = f.f_table_name ) WHERE table_schema …
9
postgis