Andrew Hammond wrote:
Looking into the documentation delivered with pg ("PostgreSQL and
pgAdmin Help") there is a page about the pgpass file,
but there is not hint to environment variable pgpassword or the
pgpass-file on the page of pg_dump, maybe you can add it ?
In the documentation page of psql there is a hint to the pgpass file.
That's a good idea. What do you think would be a good way to say it?
see "+" for my text:
=> pg_dump
...
-U username
Connect as the given user
-W
Force a password prompt. This should happen automatically if the server
requires password authentication.
+ You can also place your password in a .pgpass file in order to avoid
any inputs (see Section 28.12, “The Password File”).
Environment
PGDATABASE
PGHOST
PGPORT
PGUSER
Default connection parameters.
Diagnostics
pg_dump internally executes SELECT statements. If you have problems
running pg_dump, make sure you are able to select information from the
database using, for example, psql.
Notes
+ In order to create nightly backups it might be necessary to run the
authentication automatically.
+ Adding the password as a parameter to pg_dump is not supported because
this appears in the process list, available to all local users.
+ Instead you can place your credentials in a .pgpass file (see Section
28.12, “The Password File”).
If your database cluster has any local additions to the template1
database, be careful to restore the ...
=> 28.12. The Password File
...
chmod 0600 ~/.pgpass. If the permissions are less strict than this, the
file will be ignored. (The file permissions are not currently checked on
Microsoft Windows, however.)
+ The .pgpass file will be automatically created if you're using pgAdmin
III with "store password" being enabled in the connection settings.
bye
Thomas
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