从postgresql 9.3迁移到9.4,postgis

Question

我从postgresql 9.3升级到9.4,现在我想迁移我的数据.

所以这就是我试图做的.首先我像这样运行旧的postgresql

/opt/pgsql-9.3/bin/pg_ctl -D /var/lib/postgres/data/ start

然后,我尝试将旧数据库转储到文件中:

/opt/pgsql-9.3/bin/pg_dumpall >> old_backup.sql

它告诉我:

pg_dump: [archiver (db)] query failed: ERROR:  could not access file "$libdir/postgis-2.1": No such file or directory

好吧,我试图找到postgis-2.1文件并将它们复制到 libdir

find / -name "*postgis-2.1*"
/usr/lib/postgresql/rtpostgis-2.1.so
/usr/lib/postgresql/postgis-2.1.so
/usr/lib/postgresql/postgis-2.1 <-----

好的,现在是什么libdir？

/opt/pgsql-9.3/bin/pg_config --pkglibdir
/opt/pgsql-9.3/lib

所以我在做一个符号链接/opt/pgsql-9.3/lib到here /usr/lib/postgresql/postgis-2.1:

 pwd
/opt/pgsql-9.3/lib
ls -l postgis-2.1
postgis-2.1 -> /usr/share/postgresql/contrib/postgis-2.1

但我仍然得到错误:查询失败:错误:无法访问文件"$ libdir/postgis-2.1":没有这样的文件或目录

我有点想法.也许有人可以帮助我？

我是usnig arch linux

PS

Postgis已安装:

pacman -S postgis
warning: postgis-2.1.5-1 is up to date -- reinstalling

以下是二进制文件:

find / -name "*postgis-2.1*"
/usr/lib/postgresql/rtpostgis-2.1.so   <---- binary
/usr/lib/postgresql/postgis-2.1.so     <----- binary
/opt/pgsql-9.3/lib/postgis-2.1         <----- that's the symlink from earlier
/usr/share/postgresql/contrib/postgis-2.1

Answer 1

我有类似的问题,但解决方法有点不同:

dbname=#\dx

  Name   | Version |   Schema   |                             Description
---------+---------+------------+---------------------------------------------------------------------
 plpgsql | 1.0     | pg_catalog | PL/pgSQL procedural language
 postgis | 2.1.5   | postgis    | PostGIS geometry, geography, and raster spatial types and functions


dbname=#ALTER EXTENSION postgis UPDATE TO '2.2.0';
dbname=#\dx

  Name   | Version |   Schema   |                             Description
---------+---------+------------+---------------------------------------------------------------------
 plpgsql | 1.0     | pg_catalog | PL/pgSQL procedural language
 postgis | 2.2.0   | postgis    | PostGIS geometry, geography, and raster spatial types and functions

Answer 2

符号链接指向"共享"文件,用于CREATE EXTENSION和家庭.你需要的是将.so文件指向返回的目录pg_config --pkglibdir:

$ rm /opt/pgsql-9.3/lib/postgis-2.1 # it is a wrong link, so undo it
$ ln -s /usr/lib/postgresql/postgis-2.1.so /opt/pgsql-9.3/lib/

现在PostGIS .so文件将进入"$libdir",您将能够执行pg_dumpall.

当然保持这种方式不会让我理智,但是作为你的升级,我假设这只是一个中间状态,你将完全删除PostgreSQL 9.3.您还必须验证PostGIS是否与9.3库链接,否则您可能会遇到一些问题.