Created
January 23, 2020 09:06
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Duplicate database in postgres using psql
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-- Impide crear nuevas conexiones a la base de datos que usaremos como plantilla | |
UPDATE pg_database SET datallowconn = false WHERE datname = 'original_database'; | |
-- Cierra todas las conexiones existentes (excepto la actual) | |
SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity | |
WHERE pg_stat_activity.datname = 'albacete' AND pid <> pg_backend_pid(); | |
-- Crea la nueva base de datos utilizando la base de datos original como plantilla | |
CREATE DATABASE albacete_beta WITH TEMPLATE albacete OWNER devpostgres; | |
-- Permite de nuevo conexiones a la base de datos de origen | |
UPDATE pg_database SET datallowconn = true WHERE datname = 'original_database'; |
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