Re: Problem with extension

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Hi,

 

Sure, otherwise tables with hstore column won’t be created/usable (IMHO). Extension is part of contrib package (if I remember correctly)

 

[root@XX ~]# ls -al /usr/pgsql-9.3/lib/hstore.so                                                                                                                                                                                                                                                                                                     

-rwxr-xr-x 1 root root 56336 May 11 16:59 /usr/pgsql-9.3/lib/hstore.so  

 

[root@XX ~]# ls -al /usr/pgsql-9.3/share/extension/hstore*

-rw-r--r-- 1 root root   279 May 11 16:57 /usr/pgsql-9.3/share/extension/hstore--1.0--1.1.sql                                                                                                                                                                                                                                                                       

-rw-r--r-- 1 root root  1201 May 11 16:57 /usr/pgsql-9.3/share/extension/hstore--1.1--1.2.sql                                                                                                                                                                                                                                                                       

-rw-r--r-- 1 root root 12646 May 11 16:57 /usr/pgsql-9.3/share/extension/hstore--1.2.sql                                                                                                                                                                                                                                                                            

-rw-r--r-- 1 root root   158 May 11 16:57 /usr/pgsql-9.3/share/extension/hstore.control                                                                                                                                                                                                                                                                             

-rw-r--r-- 1 root root  5509 May 11 16:57 /usr/pgsql-9.3/share/extension/hstore--unpackaged--1.0.sql                                                                                                                                                                                                                                                                

 

T.

 

From: Payal Singh [mailto:payal@xxxxxxxxxx]
Sent: Wednesday, September 21, 2016 4:34 PM
To: Uko, Tomáš <uko@xxxxxxxxx>
Cc: pgsql-admin@xxxxxxxxxxxxxx
Subject: Re: [ADMIN] Problem with extension

 

On the problematic machines, do you see a hstore.so file in the pgsql/lib directory? 

 

Also, do you see hstore sql files in the pgsql/share/extension directory? 


Payal Singh,
Database Administrator,

OmniTI Computer Consulting Inc.
Phone: 
240.646.0770 x 253

 

On Wed, Sep 21, 2016 at 6:09 AM, Uko, Tomáš <uko@xxxxxxxxx> wrote:

Hi everybody, We have a problem with postgres extensions, we have several servers with several instances on each of them (together 42). Each of those instances are same (except table names - aplication partitioning). But when we are preparing to migrate to newer version of Postgres, we discovered this.

On all servers, there are tables with hstore columns, therefore there is hstore extension in use. In order to upgrade from 9.3 to 9.5 we need to run "ALTER EXTENSION hstore UPDATE;" on each database. But on some instances, it says, there is no extension hstore:

 

XY=# alter extension hstore update;

ERROR:  extension "hstore" does not exist

 

On "correct" instance \dx shows (after alter):

XY=# \dx

                             List of installed extensions

    Name     | Version |   Schema   |                   Description

-------------+---------+------------+--------------------------------------------------

 adminpack   | 1.0     | pg_catalog | administrative functions for PostgreSQL

 hll         | 1.0     | public     | type for storing hyperloglog data

 hstore      | 1.2     | public     | data type for storing sets of (key, value) pairs

 pgstattuple | 1.0     | public     | show tuple-level statistics

 plpgsql     | 1.0     | pg_catalog | PL/pgSQL procedural language

(5 rows)

 

On "weird" one \dx shows:

XY=# \dx

                         List of installed extensions

    Name     | Version |   Schema   |               Description

-------------+---------+------------+-----------------------------------------

 adminpack   | 1.0     | pg_catalog | administrative functions for PostgreSQL

 hll         | 1.0     | public     | type for storing hyperloglog data

 pgstattuple | 1.0     | public     | show tuple-level statistics

 plpgsql     | 1.0     | pg_catalog | PL/pgSQL procedural language

(4 rows)

 

 

We are running:

Name        : postgresql93-server

Arch        : x86_64

Version     : 9.3.13

Release     : 1PGDG.rhel6

 

On  CentOS 6 2.6.32-431.20.3.el6.x86_64

Each instance has a replica on different machine (via WAL shipping as well as streaming replication) and problem is on both of them (master and slave)

 

 

Weird is, when we try to add extension again (via CREATE EXTENSION), it ends up succesfully, but \dx won't show it

 

Another thing, when we try to add extesion with insert to pg_extension it gets OID  far greater than any other:

XY=# select *,pg_extension.oid from pg_extension;

   extname   | extowner | extnamespace | extrelocatable | extversion | extconfig | extcondition |    oid

-------------+----------+--------------+----------------+------------+-----------+--------------+-----------

 plpgsql     |       10 |           11 | f              | 1.0        |           |              |     12617

 adminpack   |       10 |           11 | f              | 1.0        |           |              |     16471

 hll         |       10 |         2200 | f              | 1.0        |           |              |     16472

 pgstattuple |       10 |         2200 | t              | 1.0        |           |              |     16473

 hstore      |       10 |         2200 | t              | 1.2        |           |              | 366992783

 

 Any ideas what to do to fix?

 

 Thanks

 Tomas

 


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