Tagged Questions

Primary interactive terminal for PostgreSQL

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2
votes
2answers
2k views

How to execute a query from psql without waiting for the result?

My query (to create a new table from existing table) takes a very long time. So I've set up a remote database in my office - more RAM there. I can connect to my database from home as usual with psql. ...
2
votes
1answer
583 views

PostgreSQL psql - not working but no errors [closed]

I'm a complete noob to PostgreSQL, so I'm probably missing something completely obvious. Connected to my local db via psql on terminal. Any command I run to make db changes, or even a simple select ...
3
votes
2answers
1k views

How to conditionally stop a psql script (based on a variable value)?

Let's consider the following example (from the start of a psql script): \c :db_to_run_on TRUNCATE the_most_important_table; -- tried to avoid similarities to anything that exists out there Now if ...
5
votes
2answers
4k views

How to turn off header only in psql (postgresql)

I'm using PostgreSQL 9.1.X I am trying to build psql script to print results without a header but including a footer. http://www.postgresql.org/docs/9.1/static/app-psql.html From the document ...
2
votes
1answer
2k views

PostgreSQL: Change default port used by utilites like psql, createdb, etc

I have 2 instances of PostgreSQL running on some servers. One on the default port (5432) and the other instance on port 5433. Some users (and processes) only need access to the second instance (5433) ...
0
votes
1answer
398 views

PL/pgSQL function + client-side lo_import

I have a problem with importing documents into PostgreSQL. I have a plpgsql function, which simplified could look like this: create function add_file(flag integer, sth varchar) returns void as begin ...
19
votes
9answers
40k views

PostgreSQL is running locally but I cannot connect. Why?

Recently updated my machine from Mac OS X Lion (10.7.4) to Mountain Lion (10.8) and I think it borked my PostgreSQL installation. It was installed originally via Homebrew. I'm not a DBA, but hoping ...
1
vote
1answer
3k views

Drop multiple databases in one script

I am trying to figure out how to drop multiple databases on PostgreSQL in one sql script. I preferably need it to work both when executed in pgAdmin console, and when used in psql command line tool. ...
4
votes
3answers
1k views

How to concatenate psql variables?

How can I concatenate two psql (PostgreSQL client) variables? I want to generate an absolute path by concatenating a directory path variable and a filename variable. I've tried this: \set path ...
3
votes
4answers
3k views

Passing arguments to psql

I'm running a plpgsql script in Postgres 8.3 - I would like to pass arguments to this script via psql. I'm currently executing the script like: psql -d database -u user -f update_file.sql I came ...
2
votes
1answer
15k views

How to import a.csv file into a postgresql database using \copy?

I am trying to import a .csv file into a postgresql database. I am using pgadmin III for that on a win7 machine. My query looks like that: \COPY pop_grid(GRID_ID, POP_TOT, YEAR, METHD_CL, CNTR_CODE, ...
3
votes
1answer
157 views

send jobs via psql asynchronously

I want to backup a huge number of records and delete them, but I don't have complete access to database server so I can't run my script on the server. because it takes so long I need to submit ...
2
votes
2answers
1k views

psql won't list databases

I have a situation that I'm scratching my head over, but I'm new to postgresql, so I may be overlooking something obvious. I set up a testbed server and set access in pg_hba.conf: local all ...
1
vote
3answers
609 views

access columns returned by psql from bash

I want to use value returned by psql in bash. This is the script: psql "connection parameters" -c "SELECT pg_database_size('dbname');" The output is like this: pg_database_size ...
1
vote
1answer
615 views

How to know how many lines are copied from table - psql

I want to write a script to backup a table using COPY. psql "connection parameters" -c "COPY (SELECT * FROM tbl WHERE insertion_date > 'date') TO STDOUT WITH CSV HEADER;" | bzip2 -c > ...
11
votes
1answer
18k views

How to use psql with no password prompt?

I have wrote a script to REINDEX many indexes in a database. Here is one of them: echo -e "\nreindex for unq_vbvdata_vehicle started at: `date "+%F %T"`" >> ${LOG_FILE} psql -U ${USERNAME} -h ...
2
votes
1answer
2k views

PostgreSQL dump/restore from 8.4 to 8.1 in a shell script

I have to restore a DB table every day from a postgresql 8.4 to 8.1. For the backup, I use this code (windows server): D:\PostgreSQL\8.4\bin\pg_dump -U postgres -p 5433 -t my_table myDB > ...
5
votes
2answers
943 views

Span single transaction over several sequential psql sessions

I am running PostgreSQL 8.4 database server and psql terminal front-end on Ubuntu 10.04 Lucid Lynx and would like to span a single transaction over several sequential psql sessions. When I connect to ...
3
votes
1answer
511 views

Dropped database still shows but causes errors PostgreSQL

I had dropped a database a couple weeks ago but it still shows with \l. I've tried using DROP DATABASE mixmobi_master; and the first time it gave me a confirmation message but mixmobi_master was ...
2
votes
1answer
6k views

Postgres client copy (\copy) command doesn't have access to a temporary table?

I'm generating a list of SQL commands to export some data that I ultimately run using psql -f. The queries all get the same subset of data, so I thought I'd factor the qualifications out and put a ...
8
votes
2answers
22k views

List the database privileges using psql

I'm in the middle of a database server migration and I can't figure (after googling and searching here) how can I list the database privileges (or all the privileges across the server) on PostgreSQL ...
3
votes
2answers
7k views

psql denies access to file when using COPY FROM

When I do this: COPY "mytable" FROM '/my/file.csv' WITH DELIMITER AS ',' CSV; On this: -rw-r--r-- 1 peter peter 54819176 2011-07-21 13:17 file.csv psql tells me this: ERROR: could not open ...
4
votes
1answer
1k views

Source several files at once with psql

I want to execute several sql scripts sequentially with psql as a single transaction to set up my database schema. What is the best way to do this? In the past I know I had a master script that I ran ...
2
votes
1answer
2k views

How do I install pgcrypto on Windows?

I would like to install pgcrypto in Windows. I have a file C:\Program\PostgreSQL\9.0\share\contrib\pgcrypto.sql but when I try to run it in psql I get an error: C:: Permission denied How do I solve ...
41
votes
2answers
17k views

How can I time SQL-queries using psql?

I would like to benchmark some SQL-queries agains my PostgreSQL database. Is there any way I can time SQL-queries using psql?
5
votes
1answer
4k views

How to insert an IP-address into an inet column in PostgreSQL?

I would like to insert an IP-address into a column that has type inet. In what format can I insert the data? is it only binary or is there any way I can insert from text e.g. "192.168.1.082"? Are ...
8
votes
3answers
21k views

How to run psql on Mac OS X?

I installed PostgreSQL on a computer with Mac OS X using the One click installer. Then I try to access PostgreSQL using the psql command, but it doesn't seem to be available. I get this message: ...
214
votes
7answers
387k views

How do I list all databases and tables using psql?

I am trying to learn PostgreSQL administration and have started learning how to use the psql command line tool. When I log in with psql --username=postgres, how do I list all databases and tables? I ...