Centos6安装Postgis

postgresql和postgis版本对应查询网址:
    https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS
安装postgis:
    1 安装 PostGIS
        yum -y install epel-release
        yum install postgis24_10 postgis24_10-client -y
    2 安装ogrfdw(PostgreSQL foreign data wrapper for OGR)
        yum install ogr_fdw10 -y
    3 安装pgRouting(Routing functionality for PostGIS)
        yum install pgrouting_95 -y  (95为版本号,通过yum search pgrouting查询可安装版本号)
    4 启用postgis扩展
        CREATE EXTENSION postgis;
        CREATE EXTENSION postgis_topology;
        CREATE EXTENSION ogr_fdw;
        SELECT postgis_full_version();