This tag is specifically for PostgreSQL version 9.1

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5
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3answers
11k views

PostgreSQL: changing password for a user is not working

I installed PostgreSQL on EC2 machine and now I want to change the password of user postgres I do $ sudo -u postgres psql psql (9.1.5) Type "help" for help. postgres=# ALTER USER postgres WITH ...
1
vote
2answers
23 views

What to do with WAL files for Postgres Slave reset

So last night our PG Slave ran out of space after a lot of reconfiguring of disk space, new drives etc its now reporting the following error: FATAL: could not receive data from WAL stream: FATAL: ...
1
vote
1answer
30 views

Postgres - copy table INCLUDING CONSTRAINT doesn't include constraint

How come that statement don't copy constraints if I explicitly ask for it? CREATE TABLE backup_schema.permissions (LIKE public.permissions INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES ...
0
votes
1answer
648 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 ...
2
votes
1answer
459 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 ...
1
vote
1answer
19 views

How to cancel query as non-superuser?

I'm a non-superuser on a PostgreSQL 9.1 database, and I've just created a bad trigger function that won't stop. I can see the process, e.g.: thedb=> SELECT * FROM pg_stat_activity WHERE procpid = ...
1
vote
2answers
119 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 ...
0
votes
1answer
306 views

Problem using pg_dump in Windows 7

I am trying to copy a remote database onto my local machine using the following command C:\Program Files\PostgreSQL\9.1\bin>pg_dump -h remote_server -U remote_user_name -c database_name | psql -a ...
0
votes
1answer
680 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 ...
0
votes
1answer
643 views

Configuring Postgres 9.2 streaming replication with Redhat Clustering Suite for High Availability

I'm in the process of configuring postgresql 9.2 streaming replication with Redhat Clustering Suite for high availability. I have 1 master and 1 hot standby configured to replicate the data from ...
1
vote
1answer
1k 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 ...
3
votes
2answers
148 views

Have: Postgres database files. Need: Functioning database

I am running Ubuntu 14.04 with a postgres/postgis setup and in a weak moment removed PostgreSQL 9.1 (seemingly a legacy install from 12.04 from before I upgraded to 14.04), having erroneously ...
0
votes
0answers
31 views

Couldn't setup postgresql cluster with heartbeat pgsql ra

I'm trying to install postgresql cluster with the following configuration: 2 virtual hosts with RHEL 6.6 x64: postgresql 9.1 with hot standby replication pacemaker 1.1.12 resource-agents 3.9.6 I ...
1
vote
0answers
7 views

Error on slave2 after promoting slave1 to master in cascaded streaming replication

I've a setup like MASTER -> SLAVE1 -> SLAVE2. MASTER and SLAVE2 are running on different ports on single server. SLAVE1 in on another server. For testing purpose I've powered off my first server ...
11
votes
3answers
14k views

Optimizing queries on a range of timestamps (two columns)

I use postgresql-9.1 with ubuntu 12.04. I need to select records inside a range of time: my table time_limits has two timestamp fields and one property integer. Indeed there are other info columns ...
2
votes
1answer
78 views

Problems restoring backup from base backup + WAL with WAL-E

I'm trying to do nightly restores of the main database on a separate node. I want to do weekly full restores and nightly restores by consuming the latest WAL files. On the master I have wal_level = ...
2
votes
1answer
162 views

PostgreSQL's Query Hierarchical data poor performance

Badly need some technical assistance on this query performance issue I'm working on. Summary of the data structure is: 1 project has many homeprofiles, 1 homeprofile has many tasks, 1 task has many ...
1
vote
1answer
65 views

Recommended Postgres settings to speed up indexing on a 100GB database?

I have just installed Postgres 9.1 on a server with 32GB of RAM and 320GB solid-state disk. I will be using this server to serve both my site and my database (i.e. it's not just a database server). ...
0
votes
1answer
41 views

PostgreSQL - is it possible to use a plpgsql function in a bash script?

Target : What i'm trying to achieve is to restore a partial backup of a database (only certain rows that satisfied certain conditions have been backed up). Problem : Since between the partial-backup ...
1
vote
1answer
57 views

PostgreSQL - partial dump of large orbjects (pg_largeobject table)

Context : Our web-app is like a collaboration platform where you can share files, appointments, survey and so on. An instance of this web-app is divided in communities, each one is independent to each ...
0
votes
1answer
20 views

Can an active Postgres serverlog be truncated?

Running Postgres 9.1 on Ubuntu 14.10 LTS. I've got an application running on a machine that's going to run out of diskspace soon. However, the application is in the middle of a crucial run that has ...
1
vote
0answers
29 views

Postgres configuration, incoming connections

Hello I'm trying to figure out the best way to allow connection from certain ips/hosts to my db instance. I've got an api(s) pointing to the database and right now we do something like this ...
3
votes
3answers
5k views

PostgreSQL: How to backup only One Schema from a database and restore it on another server

I have a database named "A" which has two schemas "B" and "C". I want to backup and restore Schema "B" on a different server? not sure how to do this as I am new to Postgres. Do I have to create a new ...
1
vote
1answer
2k views

How I can copy from local file to remote DB in PostgreSQL? [closed]

I am a novice in psql and need some help. How can I load a local CSV to a remote DB? I am using the following command \COPY test(user_id, product_id, value) FROM '/Users/testuser/test.tsv' ...
1
vote
1answer
19 views

Upgrade PostgreSQL 9.1 to 9.3 and server no longer starts

Technically, I didn't upgrade from 9.1 to 9.3, I built a new server with Ubuntu 14.04 and used my old 9.1 config files. PostgreSQL wouldn't start: * Starting PostgreSQL 9.3 database server * The ...
2
votes
1answer
34 views

PostgreSQL Replication delay debugging

I've got a cluster of 9.1 servers running streaming replication and using WAL-E based log shipping for when that falls behind. Generally speaking it's a pretty solid setup and does not fall behind, ...
16
votes
3answers
37k 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 ...
7
votes
1answer
133 views

Adding nullable column to table costs more than 10 minutes

I have problems to add a new column on a table. I tried to run it a couple of times, but after more than 10 minutes running, I decided to cancel the query because of lock time. ALTER TABLE mytable ...
2
votes
1answer
139 views

Monitoring the Postgres query parser

As I understand it, when you send a query to Postgres like: SELECT id FROM table1 WHERE name = $1; Postgres will create a query plan. The plan will be cached for the same query in the same ...
0
votes
0answers
34 views

PostgreSQL query slow when using tsvector and ORDER BY despite having index

Running on a large database (around 1.5G) The following query takes about 70 seconds to run, SELECT x FROM DBText x WHERE x.status = 2 AND x.publishedTime < 4574590406397 AND x.service = ...
0
votes
2answers
85 views

Alter table statement waiting (for hours, on dev machine), but no locks shown

I have been trying to issue a simple: ALTER TABLE tablename ADD COLUMN id_col character varying (30) type statement on a Postgres 9.1.13 build on Debian. The application is still in private beta, so ...
1
vote
0answers
36 views

Veryfing integrity of custom order column with pure SQL

I have two tables, one stores structure (using so called parent field), the other entities that can be embeded into that structure. As certain level of structure can contain both entities and deeper ...
0
votes
1answer
76 views

how are passwords encoded in pg_shadow

How are passwords encoded in column passwd of pg_shadow? Doing a: select passwd from pg_shadow; I see values like the following: md52c92c858aa1fa12144f1dcbd4ca9c3a0 ... which, doesn't seem to ...
1
vote
1answer
177 views

remove password requirement for user postgres

I understand that, upon installation, PostgreSQL has no password for its db root user (postgres): postgres=# select usename, passwd is null from pg_shadow; usename | ?column? ----------+---------- ...
0
votes
1answer
21 views

benefit of using [md5] over [trust] authentication for local Unix sockets

I am following a PostgreSQL installation guide that advises (subsequent to installing the database for the first time), to setup a password for the postgres user: alter role postgres password ...
1
vote
1answer
54 views

Are PostgreSQL dynamic arrays more wasteful than plain text?

Today, someone was helping me to make a function in PostgreSQL. I was wanting the function to return in arrays of 100+ geometries per two columns instead of delimited text to make it easier to ...
2
votes
2answers
932 views

Check whether empty strings are present in character-type columns

I have an application that (as part of its logic) trims strings and replaces empty strings with NULL prior to insertion in the database. I guess one way to ensure that this is enforced would be to ...
0
votes
0answers
29 views

Join does not not use index in PostgreSQL?

I have a statement that selects from two tables news and status. It seems that the index on the column status of the table news is not used. This table has about 70.000 rows and the query costs too ...
1
vote
1answer
64 views

Different kinds of pricing PostgreSQL

I would like to hear your opinion about handling different kinds of pricing. We have a product table which looks almost like this: +----+------+-----------+-----------+ | ID | Name | price_old | ...
0
votes
1answer
131 views

PostgreSQL data directory/files portability

I have lost my PostgreSQL 9.1 installation on my Ubuntu machine by update to Ubuntu 14.10. Now I have no (reasonably easy) way to export the data from my PostgreSQL 9.1 database. Is it possible to ...
7
votes
3answers
51k views

How do I insert a row which contains a foreign key?

Using PostgreSQL v9.1. I have the following tables: CREATE TABLE foo ( id BIGSERIAL NOT NULL UNIQUE PRIMARY KEY, type VARCHAR(60) NOT NULL UNIQUE ); CREATE TABLE bar ( id BIGSERIAL ...
1
vote
2answers
138 views

ACID violation in Postgres 9.1?

I am using a postgres DB to implement a scheduling of jobs for a large number of computers/processes. To make the story short, every job has its id, all scheduling is implemented with three tabes: all ...
0
votes
2answers
28 views

Why Postgresql 9.2 word boundary not working!

In my postgresql version 9.1 this query is working fine: select id,name from flash_card_set where name ~* '\yACT\y' and matching: text ACT txt,ACT tests,tests ACT But in my postgresql version 9.2 ...
0
votes
1answer
1k views

How can I solve postgresql problem after deleting wal files?

I turned the archive_mode on on my postgresql configuration for testing a backup server . And since the wal files took lots of disk space, after my test I turned it off and also deleted the wal files. ...
0
votes
1answer
37 views

postgresql updating integer column taking more space than expected

I have two tables, A(a1 serial, a2 varchar(8)) and B(b2 varchar(8)); My query looks like, alter table B add column b1 integer; update B t1 set b1 = t2.a1 from (select b1, b2 from B) t2 where t1.a2 = ...
0
votes
1answer
2k 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 ...
0
votes
1answer
32 views

When do I have to use archive_command and when not

I have some doubts about PostgreSQL replication command. I am doing some research and I found severals configurations. first one is: archive_mode = on archive_command = 'cd .' second one is : cp ...
1
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0answers
57 views

I am not able to create/reindex a unique index in a table

I have a table that contains user locations (called public.user_location) and is the following: Column | Type | Modifiers id | ...
1
vote
0answers
120 views

pg_basebackup could not get WAL end position from server

I'm trying to pg_basebackup my database. I followed instructions in PG Mauals and set it up properly (check on other server and database), but my backup isn't ending - on end of progress it's ...
1
vote
1answer
72 views

postgresql 9.1 failed insert occupies increasing disk space

I have a postgresql 9.1 installation where the available disk space is very low (20Gb) however there is only one client that inserts data in various tables (typically one entry every few minutes) and ...