Questions tagged [psql]

psql is the primary interactive terminal for PostgreSQL. (DO NOT USE THIS TAG for questions targeting PostgreSQL!)

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183 views

System-wide startup file for Postgres 10 on Ubuntu 18.04

When I log into postgres under my personal shell account, my .psqlrc file runs a series of meta commands to set up what is for me an optimum working environment. I'd like to set that same environment ...
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1answer
67 views

PSQL incomplete backup : how to debug

I've been doing backups of my database " screen ". after connecting to PSQL and typing \l+ I'm getting (among other things): Name | Owner | Encoding | Collate | Ctype | ...
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1answer
481 views

psql does not require a password on macOS with Postgres.app [duplicate]

When opening the psql console, there is no password prompt. This behaviour is the same for all postgres users. I can basically do everything without a password. This seems rather unsafe. How do I ...
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838 views

Fail to load pg_hba.conf

I can't connect to server. Using psql -h 127.0.0.1 -U postgres -d mydb and pgAdmin, in both case: psql: could not connect to server: Connection refused Is the server running on host "127.0.0.1" ...
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49 views

postgresql - Disallow getting list of databases

How can I disallow getting list of databases on the PostgreSQL server? That can be done (for example) using \l in psql.
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3answers
79 views

How to create comment on table from query result

I want to use a query result as comment on the table. I have tried in psql: \set list select count(*) from department.master_data COMMENT ON TABLE department.master_data IS :list; But I got this ...
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1answer
3k views

connecting to Postgres running inside docker container 'posgres' does not exist

I want to connect to Postgres (running in a container) using psql What I've done: docker pull postgres docker run -p5432:5432 --name mydb -e POSTGRES_PASSWORD=pass123 -d postgres Trying to connect ...
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1answer
75 views

Postgres migration local to remote, issue with terminal command

I'm trying to use the first answer here to transfer a local postgre db to elephantSQL https://stackoverflow.com/questions/1237725/copying-postgresql-database-to-another-server The command given is: ...
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2answers
2k views

postges: psql csv import fails although file exists

Trying to import a csv file as follows: psql -h 127.0.0.1 -d jira_statistics -U admin -p 5432 -c "COPY bugs FROM '/home/centos/bugs.csv' delimiter '|' csv;" Password for user admin: ERROR: could ...
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0answers
3k views

Postgresql 10: Can not establish DB connection

I have created a new database and user in Postgresql 10 named 'reportingdashboardproject' and 'repadmin' respectively. I used the following commands to create and grant privileges: postgres=# create ...
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1answer
4k views

Query to get all schemas in a database in PostgreSQL?

I'm not looking for the command \dn of psql, but instead of a query in SQL language that selects all schemas in a given database.
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1answer
26 views

Get interactive psql shell after executing queries

I want to execute a set of commands before executing other queries using psql The following is what I want to execute psql << EOF \setenv PAGER 'pspg -s 0' \pset pager always EOF After ...
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1answer
538 views

Cannot run psql in postgresql 9.5

I am using Postgresql 9.5 on Ubuntu 16.04 LTS. I receive the below error when I type psql: a psql: could not connect to server: No such file or directory Is the server running locally and accepting ...
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1answer
2k views

Why doesn't \COPY work when called from a PL/pqSQL function? [closed]

I am trying to use the \COPY function to fill the database from text files on the client side. I am using the Postgres interactive terminal (psql) to do this task. I wrote the following script and ...
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2answers
12k views

GRANT ALL ON ALL TABLES IN SCHEMA does not allow user to see tables

I have a pretty simple script to create a new database and to create a new user to access this database. This is run by the default postgres user. After granting access to the database and schema to ...
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1answer
2k views

How to shutdown postgres through psql?

The recommended way to shutdown postgres is to send a signal representing the different shutdown modes (fast, smart, immediate) or using init managers (initd, systemd, etc.) or their equivalent on non-...
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1answer
706 views

Copy in SQL with index vs without index

Recently I have received a data dump in csv format that I am trying to import in my PSQL database. The dump consists of 8 csv file each of size 7GB. I have found that using the Copy command on one ...
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1answer
47 views

VIM returns “Error detected while processing” and “Sorry, the command is not available in this version”

When I run VIM with \e inside of psql, I get Error detected while processing /home/ecarroll/.vimrc: line 11: E319: Sorry, the command is not available in this version: call plug#begin('~/.vim/...
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1answer
751 views

Implications of using PostgreSQL COPY command to stdout and then immeadiately reading it from stdin

When transferring data between two databases, I would like to know if there is any disadvantages in the following approach: psql -h [HOST1] -U postgres -d [DB1] -c [SQL1] | psql -h [HOST2] -d [DB2] -...
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1answer
53 views

Does psql \dt cache schema?

When I have a session running in psql it does not show newly created tables (from another connection but for the current owner role). If I re-login they show up. Do I need to refresh a psql cache ...
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1answer
647 views

With PostgreSQL getting ERROR: COPY format “CSV” not recognized

Whever I try to copy from test=# \COPY table FROM 'file.csv' WITH ( FORMAT 'CSV', HEADER true ); ERROR: COPY format "CSV" not recognized What's the reason for this? I know I've used this before.
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1answer
1k views

How to disable foreign key constraints in Postgres dump file?

I used pg_dump -U postgres -p 65432 --table=tableName --data-only --column-inserts DBName>fileName.sql to dump one particular table's rows. Now I need to insert them to another database but I get ...
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0answers
90 views

Duration of consecutive timestamps by group in sql

I am new to psql window functions and would like to perform a query on test_table in order to find out every instance of inactive outages per mobile_id, country, and brand and most importantly the ...
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1answer
60 views

DB alert on values change

How to make notification when some conditions written by user are true. I have one table DATA which has 3 rows. name value ---- ----- a1 10 a2 20 a3 30 This table changes some values ...
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1answer
4k views

out of shared memory error when doing pg_dump

I have a postgres database with 3 schemas and around 1200 tables. When I try to take a schema only pg_dump of it using the command, pg_dump -h localhost -p 5432 -U postgres -d my_test_db -s, I ...
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1answer
447 views

PSQL copy-paste tab-completion and inserting errant parenthesis

Note, I use tabs. Frequently, when I write answers on this site, I write them in vim with the assistance of vim-surround, especially when I'm migrating a fixed-width table/grid to a DDL. Here is an ...
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1answer
483 views

PSQL trying to connect to wrong database

I have noticed recently a weird (at least to me) behaviour of psql when trying to run psql -l. The essential steps to reproduce it are: Create a sample DB (I did it with docker and created a simple ...
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1answer
2k views

How do I use the input from a \prompt in a conditional (\if)?

Let's say I get value from a prompt? \prompt 'Write [Yes] or [No]\n' store Which does this, Write [Yes] or [No] Yes I can verify I have that works, \echo :store Yes But, I can't get it to work ...
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1answer
661 views

Psql refusing connections after restart

I began receiving these errors consistently after running a script that collects and stores data in psql: Could not connect because of FATAL: remaining connection slots are reserved for non-...
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0answers
83 views

PostgreSQL is not working after installing Postgres-XC

I am using PostgreSQL 9.3 on Ubuntu 17. This set up was working fine, but it stopped working after installing Postgres-XC. I tried uninstalling Postgres-XC and reverting back the data directory to ...
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1answer
1k views

How to control psql displaying rows with (END)?

After my computer upgraded from Mac Sierra to High Sierra, my psql started exhibiting an annoying behaviour. Sometimes when it lists rows, it prints (END) instead of the prompt, and I have to press ...
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1answer
10k views

pg_restore ERROR: “Relation does not exist” and creating new database

I have made a backup of my specific tables that I want to restore into a new database using: call pg_dump -Fc -h server -d database -U user -p password -v -f dump.sql -t public.table1 -t public....
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1answer
610 views

How do I change the default external text editor in psql?

I want to change the external editor in psql. But the command select-editor does not work. How can I change it? How do I run the command?
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1answer
404 views

How do I synchronize parallel imports with COPY? [closed]

I have ~20 tables that get built at the same time but using different psql processes (via bash script) at the first stage with something like: create table foo_1 as (select ....); -- via psql process ...
3
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1answer
4k views

psql, I try to connect to a database and I get “psql: FATAL: Peer authentication failed for user ”, why?

I'm using psql (9.2.23) on my Dell Latitude 3540 laptop running Linux CentOS 7. I want to do a simple thing: create a database username and log in as that username. My operating system username is "...
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1answer
63 views

How do I stop psql from displaying executed SQL?

When I execute SQL, I see the query echoed back at me. =# \d LOG: statement: SELECT n.nspname as "Schema", c.relname as "Name", CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm' ...
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1answer
662 views

selecting and Inserting data from two different servers

I have two server mysql and psql. I am fetching data from mysql server database table and inserting it into my psql server. The way I am doing is by selecting all the column from mysql server and ...
2
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1answer
2k views

Unique index on multiple columns vs single column index

I have a table in the following structure. Now from a data integrity standpoint I want to add a joint uniqueness index on product_id and item_id. Now there can be around 100K product_id and 50k ...
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1answer
118 views

Joining temporal and spatial data

I have two tables in psql that I am trying to join based on certain attributes - they are very large - 17 M rows and 2.7 M rows respectively mydb=> SELECT reltuples::bigint AS estimate FROM ...
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0answers
732 views

psql: Connection refused. pqAdmin: the database system is starting up

Windows Server 2012 Postgres 9.6 I made a replication with the master server. On the slave server service postgres is running, but in log files slave's server "FATAL: the database system is starting ...
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1answer
234 views

psql's \set command unable to save json file's content in a variable

I am trying to below set command inside bash: #!/bin/bash psql -X -h localhost -U <dbuser> -d <dbname> <<EOF CREATE TABLE cardtable(id SERIAL PRIMARY KEY, charcolumn VARCHAR(20) ...
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1answer
748 views

JSONB: Finding an element with a null attribute in array of objects

With the following table in psql 10: CREATE TABLE logs(id serial, data JSONB); INSERT INTO logs VALUES (1, '[{"name":"test1","date":"2018-01-09"},{"name":"test2","date":"2018-01-10"}]'), (2, '[{"...
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1answer
583 views

Insert PBKDF2 hash into PostgreSQL container

I am using the PostgreSQL docker image with the following Dockerfile: FROM postgres:10.1 COPY init-db.sh /docker-entrypoint-initdb.d/init-db.sh and an init-db.sh script with the following content: ...
2
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1answer
4k views

COPY FROM STDIN from client app

I have a client appconsole. I want to execute a SQL command "copy from stdin" and send data from client STDIN to Postgres server to fill a table. Is it possible without psqlclient and just via ...
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1answer
26 views

Get increasing records over time

I have a table of car ids - id and their battery level - battery, which is collected at ten-minute intervals. My goal is the following output: total count of unique car ids whose batteries ...
2
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3answers
9k views

Using COPY in psql script does not write to file

I have a script with multiple queries I am triying to write to a csv file: copy ( select /* very long query */ ) to '/tmp/report.csv' with csv header; And I run the script like this psql -d ...
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1answer
2k views

Postgres 10 and partitioning by week [closed]

i'm trying to understand how partitioning works, and main manual doesn't help me a lot. Also, PostgreSQL 10 supports partitioning natively... but what does it mean? is it possible to declare table:...
8
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3answers
20k views

Homebrew installed PostgreSQL could not connect, database files are incompatible with server

Here's the error message I'm getting today when I attempt to log in to my localhost PosgreSQL databases using psql: psql: could not connect to server: No such file or directory Is the server ...
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2answers
66 views

Can I log psql time and statements to a text file (without the data)?

I am currently comparing performance of PostgreSQL with several other SQL systems. I am aware of the \timing option to turn on timing queries. However, I would very much like to automate the process ...
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2answers
38 views

Numeric variables in psql

I am running a number of queries in psql using for a time interval where a part of the query goes like where g2.datetime between g1.datetime+'19 minutes' and g1.datetime+'21 minutes' i.e. I want an ...