This tag is specifically for PostgreSQL version 9.1

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Postgres-9.1 having more Idle connections

The connections were created 2 days before. Can I kill the process manually by using the below query? select pg_terminate_backend(procpid) from pg_stat_activity where datname = 'mydb' and procpid ...
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2answers
22 views

Filling in missing dates in record set from generate_series()

Consider: with days as (select day::date from generate_series(date '2013-01-01', date '2013-01-01' + 365, interval '1 day' day) day ) select 'Inspections'::text as data_label, count(i.reporting_id) ...
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1answer
253 views

FATAL: catalog is missing 1 attribute(s) for relid 2662

I have a server with PostgreSQL9.1-903 (Windows 7 Professional). After a power cut my database is inaccessible (I presume that the database is corrupted). The postgreSQL service starts but the ...
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1answer
112 views

Trouble with installing additional modules on Postgresql 9.1 on ALT-Linux

I'm trying to create extension under postgresql 9.1 (Linux): CREATE EXTENSION pg_trgm; but got error: ERROR: could not open extension control file "/usr/share/pgsql/extension/pg_trgm.control": No ...
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0answers
6 views

Searching ObservableCollection's items in a string

i am trying to search an observablecollection's items in a string. I try as in the below code. for (int j = 0; j < DBControl.Instance.SelectLanguagesFromDatabase().Count; j++) { if ( ...
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1answer
352 views

After installing postgresql and postgres-xc with apt-get, I have psql but not postgres, initdb, pg_ctl

I used apt-get on Linux Mint to install postgresql and postgres-xc. I have access to psql, the postgres user exists, it's possible to create databases. However, the server seems to be running on ...
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1answer
13 views

Will insert and update query wait while a table is being vacummed?

I want to vacuum a table in postgresql version 9.1 which will take between 10 to 12 minutes, and this needs to be done in real-time, in production use. I just want to know that if any INSERT or ...
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1answer
473 views

PgPool 2 with HA Proxy

So, I'm looking to add high availability to a postgresql server. I've looked into some tutorials on the web but, haven't been able to find exactly what I'm looking for. E.g.: PostgreSQL ...
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1answer
57 views

Very large btree index with few rows (openstreetmap gis data)

I tried to import a subset of open street map data to a Postgres database using the standard tool (osm2pgsql). I then tried to rebuild the indices on the table using plain sql (dropping them, then ...
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1answer
24 views

Is it possible to run VACUUM FULL in Postgres asynchronously?

I am working on some unused data purging scripts on Postgres 9.1. VACUUM FULL is necessary to reclaim physical space after purging. However, with my data volume (5M+ rows), it takes several minutes ...
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1answer
272 views

Add a column contains a photo

I installed PostgreSQL 9.1 under Ubuntu 12.10 And now I have a table called property I want to add a field that can be used to store photo(link to the photo or import a photo into a column?) But I ...
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1answer
286 views

pgpool2 setup on master-slave replication using postgreql 9.1

I have already setup 2 ubuntu server 12.04 LTS on my local machine using virtual box and is using the master-slave replication (postgresql 9.1). 192.168.0.109 = master 192.168.0.110 = slave my ...
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0answers
86 views

Using prepared statements in libpqxx with variable numbers arguments

I am trying to do some streamlining of a PostgreSQL database application. I am collecting data in a real-time setting using a Windows application and libpqxx. I would like to look into using ...
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2answers
55 views

Limiting read access in postgres to few rows

We have a requirement where we want to limit the maximum no. of rows that a select query can return when its done using a particular login. So basically we would like to append a limit clause to any ...
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2answers
131 views

How can I create readonly user for backups in PostgreSQL?

Is it true that it is IMPOSSIBLE to create a readonly backup user in PostgreSQL? I've been advised on an IRC channel that you simply can't have a backup only user with no ownership privileges. I ...
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0answers
20 views

Starting up postgres on Ubuntu for the first time

I've installed postgres on ubuntu, created a node and now I'm trying to start up that node as per the instructions: postgres --coordinator -D /usr/local/pgsql/data -p 1281 But I get the following ...
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1answer
22 views

how to stop the execution after n-th continues query execution

Is there any way to limit the continues query execution in postgres? I have a program to run the queries (10000+). But I need know is there any way to stop (break) the execution after exactly 10000 ...
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0answers
28 views

Slow search times with functions despite index?

I'm aware that this question might be under the guidelines of being closed, but I'm out of ideas at the moment on how to optemize this table any further. Given a have a few billion records with ...
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1answer
43 views

“Recover” data from running PostgreSQL instance; data directory was deleted

I accidentally removed data directory /var/lib/pgsql/9.1/data from running postgresql server. I guess I'm going to lose my data when server will be restarted. I'm wondering if postgresql has any ...
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2answers
13k views

Granting access to all tables for a user

I'm a new to Postgres and trying to migrate our MySQL databases over. In MySQL I can grant SELECT, UPDATE, INSERT, DELETE privileges on a low privileged user and enable those grants to apply to all ...
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0answers
27 views

listen_addresses set to '*' in postgresql.conf disappears every reboot of Ubuntu

I have set listen_addresses to '*' in /etc/postgresql/9.1/main/postgresql.conf and stopped/started Postgres 9.1 with /etc/init.d/postgresql to "reload" configs. This works fine and I can access my ...
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2answers
2k views

Replication has failed; how to get going on again?

I'm running Postgres 9.1.6 on Ubuntu and I have streaming replication setup between a master and slave. Everything has been running smoothly until the database crashed and we had to restart both of ...
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4answers
6k views

How to list all views in SQL in PostgreSQL?

How do I list all views for a database using an SQL command in PostgreSQL? I would like something similar to output of the psql \dv command, but preferably just a list of view names. e.g., SELECT ...
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1answer
66 views

INSERT from a SELECT combined with a single value

I have this query that returns several rows of item_id: select item_id from properties where name like 'body'; And I have the second one that returns 1 row of tag_id: select id from tags ...
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1answer
59 views

Why is vacuum at a critical level in PostgreSQL when I'm running autovacuum?

I just checked the state of vacuum in my PostgreSQL database and it's at a critical level: $ check_postgres --action=last_vacuum POSTGRES_LAST_VACUUM CRITICAL: DB "postgres" DB: postgres TABLE: ...
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1answer
52 views

PostgreSQL Function: How to refer to individual column in record return by function

I have function that returns setoff record type. CREATE TYPE CIR_TYPE AS ( ID integer, path text, cycle boolean ); CREATE OR REPLACE FUNCTION circular_ref() RETURNS setof CIR_TYPE AS ...
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1answer
37 views

group by and display contents of last row for each result

I've got some data of two objects and I want to retrieve the last row of both the objects, preferably in one query. Table structure: CREATE TABLE data ( pid serial NOT NULL, dt timestamp without ...
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0answers
86 views

Storing changes to stored procedure and triggers in PostgreSQL

I want a mechanism where I can store/track changes in stored procedure and triggers. I want to track these logs in some table. What is the best possible way ?
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2answers
96 views

High volume data aggregation

I need to aggregate incoming data and save the resulting aggregates to a table. A sample of the data is below. id,time 1967,2014-04-12 00:42:55+00 1967,2014-04-12 00:42:51+00 1972,2014-04-12 ...
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0answers
59 views

Postgres SQL Database Recovery

I am recovering a corrupted database, which may not really of had problems, but the server did. The host has restored a backup of the VM image (Ubuntu 12.04 LTS), however, its 10 days old, which is ...
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1answer
691 views

Concatenation of setof type or setof record

I use Postgresql 9.1 with Ubuntu 12.04. In a plpgsql function I try to concatenate setof type returned from another function. the type pair_id_value in question is created with create type ...
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2answers
2k views

upgrading from postgres 9.1 to 9.3 on ubuntu server

I have my production server(ubuntu 13.10) running with postgresql 9.1. I want to use few features of 9.3, hence want to upgrade. Could someone help me with upgrading from 9.1 to 9.3 so that there is ...
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0answers
58 views

Adding additional condition significantly degrades performance

Have the following query: SELECT * FROM table_A INNER JOIN table_B ON /* conditions */ INNER JOIN table_C ON /* conditions */ INNER JOIN table_D ON /* conditions */ WHERE table_B.state = 'active' ...
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27 views

Connecting to a remote Postgres 9.1 DB

I am running Postgres 9.1 on Ubuntu. I have host all all my.ip.address/32 md5 set in pg_hba.conf and listen_addresses= '*' set in postgresql.conf. Running show listen_addresses shows '*' Running sudo ...
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0answers
655 views

Can't set up witness in Repmgr 2.0

I am trying to setup repmgr using the autofailover quick setup tutorial provided on Github Link But I am kind of stuck on the witness section, when trying to create the witness with repmgr -d repmgr ...
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1answer
200 views

Postgresql restore data from file [duplicate]

I have a tar archive with full backup of my CentOS filesystem with pg9.1 installed. How can I restore one database from it?
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1answer
119 views

log_min_duration_statement setting is ignored

I am running Postgresql 9.1 on Ubuntu. Exact Postgresql version is 9.1+129ubuntu1 as my package manager shows. I have 2 databases that are actively in use and they are used from a remote server. I ...
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62 views

Data Corruption on base backups created with wal-e?

I have streaming replication setup on Postgresql 9.1 with two machines on AWS EC2. The master has a cron job that does a daily base backup using the wal-e tool and uploading it to Amazon's S3 storage. ...
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1answer
104 views

Select Into Regexp_replace doesn't write changes into newly generated table

I have been using this query in postgres 9.1 in order to remove '' from existing data. Below is a sample of the data before running regexp_replace. 6'' 6'' 6'' 20'' 12'' 18'' 20'' 8'' 10'' '' '' ...
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0answers
79 views

how do I debug postgresql 9.1 server terminating

my /var/log/postgresql/postgresql-9.1-main.log shows 2014-03-25 10:39:30 CET HINT: In a moment you should be able to reconnect to the database and repeat your command. 2014-03-25 10:39:30 CET LOG: ...
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1answer
55 views

restarting postgresql quickly

I'm reading over the postgresql admin cookbook. Some of the database server parameters require a restart and with a busy database, you may need to restart quickly. There are a number of things to do ...
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0answers
75 views

Reset postgresql [closed]

I have trouble: I tried to restore PG backup from CentOS on my Ubuntu computer. But had a trouble: after placing backuped Centos /var/lib/pgsql/9.1/data/ to my /var/lib/postgresql/9.1/main at Ubuntu, ...
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1answer
52 views

PostgresSQL authentication error

I recently forgot my PostgreSQL 9.1 password on my windows 8 and it asks for password on pgAdmin III console. Can I retrieve the password or reset it?
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2answers
286 views

Vacuum vs Auto Vacuum

I am trying to find answers for my below few queries which will help me in fine tuning my postgres DB. I did some googling but was not able to find answer. 1) Out of vacuum or Auto vacuum which is ...
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1answer
69 views

Use of integer instead of interval (of one type)

Our DB design presently has a interval column which will only be storing days (no other interval type) so it is making sense to use INT2 (smallint) instead of interval. Reference to documentation. ...
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0answers
28 views

Changed password on Postgres but I still can log in with the old one [closed]

I changed my password via alter user, but can still log in with the old one. In the 9.1.6 version of postgresql I resolved this problem by killing all the processes through pg_terminate_backend, but ...
2
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1answer
261 views

Debugging why postgres is snowballing with system cpu usage

I am having an issue where my postgres database which run on a dedicated machine is getting hammered with kernal level cpu usage. This essentially takes down the web service that run on this database. ...
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1answer
48 views

RIGHT() function in postgresql 9.1 not behaving as anticipated?

The following is with regard to PostgresQL 9.1 : I am using the right() and left() string functions to fix a few instances where data was input into my database being “off by one” .. so I’m doing ...
5
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1answer
56 views

How to see amount of reusable space for a table

I had a huge table(about 300mil rows). After massive DELETE and VACCUUM table files have stopped to grow. That's exactly what I expected. But is there any way to see how much space became reusable?
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58 views

What is the best way to design CMDB application

Currently I am developing an Ruby On Rails application in CMDB domain and I am not sure about all the properties (columns) of an component(table) so I am designing a DB with the properties which ...