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我正在尝试运行本教程中的这些命令(http://jamiecook.wordpress.com/2011/11/24/setting-up-postgresql-postgis-for-rails-on-ubuntu/

sudo su - postgres
createdb -E UTF8 template_postgis # Create the template spatial database.
createlang -d template_postgis plpgsql # Adding PLPGSQL language support.
psql -d osm -f /usr/share/postgresql/8.4/contrib/postgis-1.5/postgis.sql
psql -d osm -f /usr/share/postgresql/8.4/contrib/postgis-1.5/spatial_ref_sys.sql
cat <<EOS | psql -d template_postgis
UPDATE sample_postgis_db SET datistemplate = TRUE WHERE datname = 'template_postgis';
REVOKE ALL ON SCHEMA public FROM public;
GRANT USAGE ON SCHEMA public TO public;
GRANT ALL ON SCHEMA public TO postgres;
GRANT SELECT, UPDATE, INSERT, DELETE ON TABLE public.geometry_columns TO PUBLIC;
GRANT SELECT, UPDATE, INSERT, DELETE ON TABLE public.spatial_ref_sys TO PUBLIC;
GRANT ALL ON geometry_columns TO PUBLIC;
GRANT ALL ON geography_columns TO PUBLIC;
GRANT ALL ON spatial_ref_sys TO PUBLIC;
VACUUM FULL FREEZE;
EOS

并收到错误消息:

ERROR:  relation "sample_postgis_db" does not exist
LINE 1: UPDATE sample_postgis_db SET datistemplate=TRUE WHERE datnam...

但它确实存在:

psql -d postgres
\list
#=>
...
sample_postgis_db | postgres     | UTF8     | en_US.UTF-8 | en_US.UTF-8 | 
...

我可以登录它:

psql -d sample_postgis_db

但即使我在 db 的 psql 中运行 UPDATE 行(当然是荒谬的,但我认为它是一个很好的测试),它仍然无法识别自己

sample_postgis_db=# UPDATE sample_postgis_db SET datistemplate=TRUE WHERE datname = "template_postgis";
ERROR:  relation "sample_postgis_db" does not exist
LINE 1: UPDATE sample_postgis_db SET datistemplate=TRUE WHERE datnam...
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2 回答 2

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该教程有:

UPDATE pg_database SET datistemplate = TRUE WHERE datname = 'template_postgis';

你用这个代替:

UPDATE sample_postgis_db SET datistemplate = TRUE WHERE datname = 'template_postgis';

这种替换是不必要的,因为这里更新的是系统表,而不是数据库名称。

于 2013-09-10T15:46:01.513 回答
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我讨厌这有多么神秘……也许只是因为我将sample_postgis_db' 的角色更改为SUPERUSER(出于绝望),但它才开始起作用……

于 2013-09-10T15:36:16.463 回答