Joaquín Moreira joaquinmoreira

Engineering Manager @nirvanatech

joaquinmoreira / export_select_postresql.sql

Last active August 29, 2015 13:57

Export rows from a select and import back in postgresql

	COPY (SELECT * FROM sample_table) TO '/path/to/file';
	COPY sample_table FROM '/path/to/file';
	SELECT setval('sample_table_id_seq', max(id)) FROM sample_table; -- Update primary key sequence

joaquinmoreira / close_postgresql_connections.sql

Created March 6, 2014 15:54

Close opened connections to postgresql

	REVOKE CONNECT ON DATABASE dbname FROM PUBLIC, <username>; -- Prevent from accepting new connections

	SELECT pg_terminate_backend(pid)
	FROM pg_stat_activity
	WHERE pid <> pg_backend_pid() -- Don't kill my own connection!
	AND datname = <database>; -- Don't kill the connections to other databases