This tag is specifically for PostgreSQL version 9.2

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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 ...
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26 views

Rollback on \include error in psql

I'm trying to execute an sql script file in a single transation. The file contains includes for some other scripts which in my example create some tables. It looks like this: \include ...
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1answer
344 views

Upgrading using pg_upgrade on windows fails

When upgrading from postgres 9.2 to 9.3 by following the upgrade procedure found in PostgreSQL 9.3.4 documentation about pg_upgrade, the following command fails: RUNAS /USER:postgres "CMD.EXE" ...
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1answer
22 views

Is it safe to use set-returning sql functions instead of security-barrier views?

Since 9.2, it's been possible to use the security_barrier attribute to guard against maliciously-chosen functions and operators accessing data 'hidden' behind filters in views (full info in the ...
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PostgreSQL Idle Session in Transactions with RELEASE_EXEC_SVP queries and lock

I am having a problem with having idle sessions in transactions. In pgAdmin Server Status, it is showing "RELEASE_EXEC_SVP_XXXXXX" (XXXXXX data are varied) as its query and it's locks also contain a ...
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2answers
559 views

Running a UPDATE on 3 million records

I have two actors in this transaction. One actor is a table "update_assets" is a set of records with data that is up-to-date and new. The second actor is a table "application_assets" which is a table ...
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2answers
49 views

How to calculate the cumulative difference between rows in Postgres?

I am in need of calculating the difference from the cumulative values for the previous day in Postgres based on session_id. Example as mentioned below: Date session_id upload_usage ...
3
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1answer
484 views

Could not open file “pg_clog/0000”: No such file or directory

My local PostgreSql 9.2 database won't start anymore this morning. I am on Windows 7. Yesterday, I performed a Windows Update before going to bed. I have checked the log and found: 2014-05-28 ...
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2answers
4k views

Why is a new user allowed to create a table?

I'm wondering why a newly created user is allowed to create a table after connecting to a database. I have one database, project2_core: postgres=# \l List of ...
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1answer
112 views

How to configure postgresql-9.2 to know blk_write_time in pg_stat_database

Interested in the procedure for collecting block write statistics of PostgreSQL 9.2. Steps followed for configuration, could get blk_read time but not blk_write_time CREATE EXTENSION adminpack; and ...
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1answer
40 views

How to create a tablespace on Windows 7 for Postgresql 9.2?

I try to run this simple command: CREATE TABLESPACE tb_rec OWNER postgres LOCATION 'd:/tablespaces'; However, the tablespace is not created and I got this message: ERREUR: n'a pas pu ...
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1answer
713 views

I need help understanding Postgres's archive cleanup functionality

I'm reading http://www.postgresql.org/docs/9.2/static/pgarchivecleanup.html and to me it seems like it will remove any and all WAL segments from my slave server that aren't required to perform ...
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4answers
2k views

Cannot shutdown old postmaster when upgrading to Postgres 9.2

I'm upgrading to Postgres 9.2.2 (from 9.1.4). When I try to upgrade the DBs using: pg_upgrade -b /usr/local/Cellar/postgresql/9.1.4/bin -B /usr/local/Cellar/postgresql/9.2.2/bin -d ...
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37 views

How to enable implicit casts in PostgreSQL >=9.2?

Coming from this topic on SO a user suggest me to enable implicit casts in my PostgreSQL and I don't know how to do that. I also don't know if this is a good practice or if it's the solution to the ...
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1answer
31 views

Drop/Create database and create schemas all in the same script at PostgreSQL it's possible?

I'm working on a project where all the time I need to repeat this tasks: Drop database sis_db Create database sis_db Create database schemas by running a custom SQL file which contains this code: ...
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1answer
50 views

EXECUTE within function not using index?

I have an accounts table with ~200k rows and an index for these columns: account_type_id BIGINT , member_id BIGINT , external_id VARCHAR(64) CREATE INDEX account_full_qualifiers_idx ON ...
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1answer
4k views

PostgreSQL isn't listen on 5432 in Windows 7 [closed]

I have a PostgreSQL 9.3.1 DB Server running in Windows 7 Ultimate. I have checked the file postgresql.conf and this lines are uncommented: listen_addresses="*" port=5432 And this is the ...
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2answers
757 views

Setting up binary replication between two PostgreSQL instances

I have two virtual machines: dbrepa (-.175) and dbrepb (-.191). Both have PostgreSQL 9.2 installed; once PG was installed (never initialized) on dbrepa, dbrepb was made as a clone. I need to have the ...
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2answers
1k views

Postgresql function to create table

I want to create a function in order to create a table with a specific structure pasing part of the name of the table as an argument so the name of the table is t_ . Similar to this: CREATE OR ...
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1answer
46 views

Slow Query with LIMIT

We have this query: SELECT "messages".* FROM "messages" WHERE "messages"."account_id" = 1 AND "messages"."status" = 'unread' AND (created_at >= '2014-04-24 01:00:00.000000') ORDER BY id DESC It ...
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2answers
23 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 ...
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1answer
151 views

Postgres Performance Over Group by with MAX and MIN

I just want to retrieve the data for specific location of customers with their ever first and last purchases made in the system. Table details : CREATE TABLE customer_location ( id UUID, location_id ...
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1answer
108 views

PostgreSQL 9.3 Amazon RDS gives error while using UUID-OSSP extension for generating uuid

I have created DB instance on RDS and used below function it gaves error while with same postgreSQL version on local development machine works fine. create or replace function uuid() returns uuid as ...
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1answer
77 views

Problem with LISTEN - NOTIFY mechanism in PostgreSQL

I'm struggling with PostgreSQL LISTEN - NOTIFY mechanism. I open two consoles and connect to my database using psql client: psql -U postgres test_db In the first console I subscribe to some ...
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2answers
804 views

Why does Postgres generate an already used PK value?

I'm using Django, and every once in a while I get this error: IntegrityError: duplicate key value violates unique constraint "myapp_mymodel_pkey" DETAIL: Key (id)=(1) already exists. My database ...
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1answer
47 views

PostgreSQL replication with periodic log shipping

I'm using Windows Server 2008 R2 with 64-bit PostgreSQL 9.2 on both test machines. What I wish to achieve is that one server will be a master and other will be a slave. This is just for tests, finally ...
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13 views

PostgreSQL-9.2 Error while restoring Database through Ant

I am using PostgreSQL-9.2 and I have created a function in one database . While restoring this database through ant ,Error is thrown from the function as syntax error at or near "VARCHAR" Where: ...
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18 views

Restore postgresql database from remote sql file

I would like to know if it's possible to restore a database from a remote sql file. The problem: - Working with PostgreSQL 9.2.4 - I have an small remote server with 10GB left in storage - I have a ...
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1answer
71 views

Diagnosing the error in a Postgresql to Redshift migration through psycopg2

I am running a job class that contains the following: A Postgresql connection that can issue SQL statements A Redshift connection that can do the same an S3 connection to function as an intermediary ...
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30 views

Error while inserting values in array in Postgresql

I am writing a Postgresql function that saves some Ids information into the array and later on processing them one by one. I am new to postgresql and finding some difficulties to work with arrays ...
2
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1answer
71 views

pg_upgrade and tablespaces (postgres 9.2 to 9.3)

I have a 9.2 installed with tablespaces sitting at: /var/lib/postgresql/9.2/main and /opt/postgres/9.2/second And unfortunately they are on different filesystems. This is a Debian package ...
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30 views

PostgreSQL SQL syntax - JOIN and substrings

I have a single table of hostnames and NFS exports, some but not all of which are related. Example entries: HOST VOLUME ----- ---------- host1 vol1 host1 vol2 host1 ...
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1answer
41 views

Need some help with this query or some ideas for change it to better model

I've a dilemma in my application and I don't get how to solve it at DB level. The idea is that a user can be subscribed to one or more services but services are show depending on user type. This can ...
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1answer
63 views

How to determine if postgres database contains GiST indexes and what type?

Is there a way to easily check if a PostgreSQL database has any GiST indexes and of what type they are?
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3answers
3k views

What can I do with the new json field?

PostgreSQL 9.2 introduced the json field type. Why and when should I use it? What benefits does it have over a text field? I thought there were new query options available, however I haven't seen ...
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3answers
594 views

Full Text Search With PostgreSQL

i have a table with this rows: Stickers ------------------------------------------------------ ID | Title |Keywords (ts_vector) ------------------------------------------------------ ...
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2answers
198 views

Auto increment char varying column prefixed with some characters

I have a table in PostgreSQL for hospital patients and I want to make a primary key for it as PAT0000001 (char varying) and to keep that field as auto-increment as well. Is there a way to achieve ...
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3answers
8k views

PostgreSQL user can not connect to server after changing password

I've met this with 4 roles I created: After changing password for a user in pgAdmin III using the GUI (1), that user can not log in any more. pgAdmin III show error message: An error has occurred: ...
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1answer
19 views

PostgreSQL 9.2 EBS Snapshot on AWS

I found this post here back from 2011, and wanted to verify that it's still valid and good advice to take a hot snapshot of an ebs volume (PostgreSQL still running) so long as you're snapping all of ...
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1answer
34 views

Limit balancing results by a column

I have a web crawler that have a table with tokens to crawl and each token have a fk_location column that is the website where that token must be processed. I also have a function that returns me the ...
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0answers
70 views

Where Can I find *Current* PostgreSQL advice for a SQL Server DBA? [closed]

Been a MSSQL DBA for about 7 years. I have the fundamentals of performance, backups, replication, security and design down for MSSQL. I'm not setting up new applications using PostgreSQL 9.2. I have ...
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114 views

On Heroku in production, how can I copy database A to database B on command?

From my local terminal, I can use the following commands to do what I need to do: heroku pgbackups:capture --expire heroku pgbackups:restore charcoal --confirm max-kiosk However, I want to do this ...
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1answer
66 views

Creating unique constraint to be validated from input

I have this table name tbl with this table definition: create table tbl ( id serial primary key not null, counter integer not null default 1, ref_id integer not null, date_booked date ...
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40 views

How to increase the size of the tablespace in Postgresql?

I have created a tablespace in PostgreSQL with name abc and location of the tablespace is /opt/PostgreSQL/9.2/data/dbspace,Now i want to increase the size of the tablespace is it possible in ...
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1answer
49 views

PostgreSQL: After restoring data, unable to use Views (permission denied)

I'm attempting to get a PostgreSQL environment running locally. I'm using 9.2.8, and have restored data from a backup made by the DBA of the production environment. The restoration worked fine ...
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1answer
81 views

database not restoring from dump file

I'm running the following command to create a dump of all database on my production server: prodserver:/# pg_dumpall -U postgres -h 1.1.1.1 > prod.sql on my development box, I also take a ...
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3k views

Error: Unable to write inside TEMP environment variable path

I am installing PostgreSQL 9.2.4-1-windows.exe on Windows 7 64 with Service Pack 1. I get the following, rather famous it seems, error: There has been an error. Unable to write inside TEMP ...
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2answers
207 views

Function execute query, manipulates result and then return the same result

I need a function that does something like this pseudocode: function get_data() RETURN SET OF something... as BEGIN myResultSet = select id, some_other_column from ...... limit 20000; update ...
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2answers
308 views

Running a TPC-C Benchmark Without sleep() i.e. key-in + think time

We are running a TPC-C benchmark against a PostgreSQL 9.2 server using JdbcRunner-1.2 implementation. During first few tests we were not getting a smooth (that is, without sudden spikes down to almost ...
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1answer
84 views

Postgresql AUTOVACUUM ANALYSE parameters for a specified table

I would like to set autovacuum parameters for a specified table. My problem is that AUTOVACUUM ANALYSE on a small table takes way to long to complete. This table has only 2 columns (including the ...