Skip to content

Instantly share code, notes, and snippets.

@vielhuber
Last active April 18, 2024 09:11
Show Gist options
  • Save vielhuber/96eefdb3aff327bdf8230d753aaee1e1 to your computer and use it in GitHub Desktop.
Save vielhuber/96eefdb3aff327bdf8230d753aaee1e1 to your computer and use it in GitHub Desktop.
PostgreSQL: Backup and restore export import pg_dump with password on command line #sql
# best practice: linux
nano ~/.pgpass
*:5432:*:username:password
chmod 0600 ~/.pgpass
# best practice: windows
edit %APPDATA%\postgresql\pgpass.conf
*:5432:*:username:password
# linux
PGPASSWORD="password" pg_dump --no-owner -h host -p port -U username database > file.sql
# windows
PGPASSWORD=password&& pg_dump --no-owner -h host -p port -U username database > file.sql
# alternative
pg_dump --no-owner --dbname=postgresql://username:password@host:port/database > file.sql
# restore
psql --set ON_ERROR_STOP=on -U postgres -d database -1 -f file.sql
pg_restore --no-privileges --no-owner -U postgres -d database --clean file.sql # only works for special dumps
# backup excluding table
pg_dump --no-owner -h 127.0.0.1 -p 5432 -U username --exclude-table=table1 --exclude-table=table2 --exclude-table=table1_id_seq --exclude-table=table2_id_seq database > tmp.sql
# backup including only table
pg_dump --no-owner -h 127.0.0.1 -p 5432 -U username --table=table1 --table=table2 database > tmp.sql
# backup only schema (no data)
pg_dump --no-owner -h 127.0.0.1 -p 5432 -U username --schema-only database > tmp.sql
# transfer database with 2 tables empty
pg_dump --no-owner -h 127.0.0.1 -p 5432 -U username --exclude-table=table1 --exclude-table=table2 --exclude-table=table1_id_seq --exclude-table=table2_id_seq database > 1.sql
pg_dump --no-owner -h 127.0.0.1 -p 5432 -U username --table=table1 --table=table2 --schema-only database > 2.sql
psql --set ON_ERROR_STOP=on -U username -d database -1 -f 1.sql
psql --set ON_ERROR_STOP=on -U username -d database -1 -f 2.sql
# backup all databases
#!/bin/bash
databases=`echo "postgres-user-password" | su -c "psql -l -t | cut -d'|' -f1 | sed -e 's/ //g' -e '/^$/d'" postgres`
for i in $databases; do if [ "$i" != "postgres" ] && [ "$i" != "template0" ] && [ "$i" != "template1" ] && [ "$i" != "template_postgis" ]; then
echo dumping $i
PGPASSWORD=database-user-password pg_dump --no-owner -h 127.0.0.1 -p 5432 -U username $i > /var/www/backup/$i.sql
fi
done
# backup and restore
PGPASSWORD=password && pg_dump --no-owner -h 127.0.0.1 -p 5432 -U username database > tmp.sql
psql -U postgres -d database -c "drop schema public cascade; create schema public;"
psql --set ON_ERROR_STOP=on -U postgres -d database -1 -f tmp.sql
rm tmp.sql
# if you need to remove unintentionally backuped owners afterwards
sed -i.bak '/OWNER TO specialowner/d' input.sql
@LeoCarriere
Copy link

Thank you!

@thohng
Copy link

thohng commented May 19, 2023

Thank you!

@MaulanaR
Copy link

Thank you!

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment