The password is passed on a command line for dump and import and needs
quoting.

Ideally, this would not be passed on a command line at all - any ideas?
Or at least have a stronger form of quoting so that embedded single
quotes will be escaped.

The code for mysql_db did not pass the port argument when state=dump or
state=import.

Make the changed status for postgres_db under CHECKMODE match the
status that would be returned normally.

Revert "No longer need to reference 'version_added' in docs for these, as this was quite a while ago."

This reverts commit ff0a41d4.

raise errors when omitted, updated changelog with new modules.

Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

Added all_databases option which works like all-databases optin in mysqldump, and works in import by not naming a database to import as

mysql_variables bindly executes a SET var = value query even when
the variable already has the requested value.

With this patch the query is executed only if the current value is
different to the requested one.

This adds the privileges given to the existing list of privileges
instead of overwriting any existing ones.

database names.

Defaults arguments must not be added to the connection keywords, as
the other postgresql modules already do.

Closes #4043

using pg_roles instead of pg_user
if database owner is a role (not user) then it can not select form pg_user table.