This tag is specifically for PostgreSQL version 9.2

learn more… | top users | synonyms (1)

1
vote
1answer
13 views

missing WAL file on standby server following a backup

I seem to have an intermittent problem with my postgres backup/restore to standby Postgres, is version 9.2 running on red hat 6 enterprise i have a production server (PROD1) and a hot standby ...
1
vote
1answer
32 views

pg_ctl status responds with “available” during failed startup

I am using pg_ctl -D $PGDATA status to monitor whether my postgres standby database is up and running. Sometimes the database fails to start due to a missing WAL file, but its status is reported as ...
3
votes
1answer
739 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 ...
5
votes
1answer
2k views

VACUUM returning disk space to operating system

VACUUM usually does not return disk space to operating system, except in some special cases. From the docs: The standard form of VACUUM removes dead row versions in tables and indexes and marks ...
0
votes
1answer
12 views

Is there a timeout option for remote access to PGSQL database?

I'm working via pgAdmin III on a remote PostgreSQL database. After a not so long period of time (say 10-15 min.) without manipulating pgAdmin, the connection automatically expires. I therefore have a ...
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 ...
0
votes
1answer
130 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 ...
1
vote
1answer
55 views

Best way to drop / recreate a table that has dependent views?

Problem PostgreSQL does not have logical column reordering, at least not in 9.2 If columns need to be added in the middle of a large table and order is important, the best way is to drop and ...
0
votes
1answer
20 views

Migrating from 32 bit using pg_basebackup

Has anyone migrated a 32 bit postgres 9.2 database to a 64 bit postgres 9.2? I'm trying to use pg_basebackup but I'm not sure whether this is the right approach.
1
vote
1answer
593 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" ...
3
votes
1answer
374 views

2 B-tree indices OR 1 GiST index on tsrange — which will perform better?

I have a table which is storing reservation data using the columns starts_at & ends_at Whenever I'm querying the table to find overlapping reservations, I have an option of using one of the ...
0
votes
1answer
39 views

Can't add a foreign key constraint in a table on Postgresql

I'm trying to add a foreign key of "prefectures" table in "centresdevote" table. But I'm having this error while trying to add a foreign key to "centresdevote" table. I had no problem adding foreign ...
1
vote
1answer
39 views

How to measure or estimate the streaming replication lag in Postgres 9.2

I've been asked to reverse engineer an app that uses postgresql in the back end. I can see that there is some database replica tion going on... based on my reading, I *think it's called streaming ...
0
votes
2answers
147 views

check key if exists in other table without fk constraint

Lets say i have: table a (id_a int); table b (id_b int, id_a int); I want to check if b.id_a exists in "a" before a new row in "b" will be inserted. Normally I would just add a fk constraint on ...
0
votes
1answer
68 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 ...
1
vote
1answer
1k views

PostgreSQL stored function that returns arbitrary resultset

I would like to write a PostgreSQL stored function that essentially behaves like the stored procedures I know and love from MSSQL and MySQL where I can just wrap a query that takes no parameters and ...
4
votes
1answer
317 views

Order by distance

If I have a query returning nearby cafes: SELECT * FROM cafes c WHERE ( ST_DWithin( ST_GeographyFromText( 'SRID=4326;POINT(' || c.longitude || ' ' || c.latitude || ')' ), ...
3
votes
1answer
85 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 ...
2
votes
1answer
26 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 ...
1
vote
0answers
61 views

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 ...
0
votes
2answers
758 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 ...
1
vote
2answers
184 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 ...
4
votes
2answers
5k 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 ...
0
votes
1answer
191 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 ...
3
votes
1answer
852 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 ...
6
votes
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 ...
0
votes
0answers
106 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 ...
0
votes
1answer
87 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: ...
1
vote
1answer
78 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 ...
2
votes
1answer
5k 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 ...
2
votes
2answers
1k 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 ...
5
votes
2answers
2k 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 ...
1
vote
1answer
57 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 ...
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 ...
2
votes
1answer
224 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 ...
1
vote
1answer
258 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 ...
1
vote
1answer
249 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 ...
4
votes
2answers
1k 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 ...
0
votes
1answer
91 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 ...
0
votes
0answers
17 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: ...
1
vote
0answers
30 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 ...
2
votes
1answer
123 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 ...
0
votes
0answers
49 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
votes
1answer
161 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 ...
0
votes
1answer
52 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 ...
2
votes
1answer
113 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?
7
votes
3answers
4k 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 ...
4
votes
3answers
658 views

Full Text Search With PostgreSQL

i have a table with this rows: Stickers ------------------------------------------------------ ID | Title |Keywords (ts_vector) ------------------------------------------------------ ...
0
votes
2answers
525 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 ...
4
votes
3answers
11k 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: ...