hi guys,
Last month during a PG training, i found a very bad behaviour from
pgadmin. Here's the step to follow :
0- backup your pg_hba.conf
1- launch pgadmin
2- edit the pg_hba.conf
3- Add a new line with an error inside the CIDR address.
For example : host all all 10.224.24.26 trust
4- save
5- close pgadmin
6- now if you edit pg_hba.conf with a generic text editor
the line you've added will appear.
7- launch pgadmin again
8- edit pg_hba.conf
9- your line doesn't appear
10- you need to modify pg_ba.conf with a text editor or restore your backup
As you may have noticed, between step 4 and step 10 you'll be unable to
start PostgreSQL because the pg_hba.conf has a syntax error.
I can't describe how much this is confusing for newbies : they write a
pg_hba rule that seems correct (they just wrote an IP Address instead of
a CIDR ) and then they restart PG to test it... Now the server won't
start and if they restart pgAdmin, then the faulty line is hidden !
What's even more confusing is the dialog window that adds a new line....
There's a field for each part of the pg_hba line. But when it comes to
the CIDR Address the field label is "IP Address" instead of "CIDR
Address" or "IP Address + Netmask"
At the very least, i think the behaviour should coherent. Either pgadmin
accepts faulty lines then it must be able to display them, or
Pgadmin refuses to write a faulty line in the pg_hba.conf and in that
case it's ok hide them...
I think the best behaviour would be :
a/ pgadmin refuses to write a faulty line
b/ pgadmin display faulty lines **in red** (if any)
...which is basically the opposite to what pgAdmin is doing now... :)
Here's more detail :
* Platform : Windows XP and Linux
* Language : French
* Distribution : EDB installer / Ubuntu package / Source
* Version : 1.10.5 and 1.12.2
* nothing in pgadmin.log
--
damien clochard
dalibo.com
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