Jas wrote:
For this table to create 3 unique keys I did the following, in case it
helps someone else out.
+--+--+--+-+-++
| Field| Type | Null | Key | Default | Extra |
If I do this statement:
mysql_query(UPDATE hosts SET hostname=\$_POST[hostname]\,
mac=\$_POST[mac]\, ip=\$_POST[ip]\, vlan=\$_POST[vlan]\ WHERE
id=\$_SESSION[id]\,$db)or die(mysql_error() . mysql_errno());
I get this error:
Duplicate entry '128.110.22.139' for key 41062
I have tried using these
From: Jas [EMAIL PROTECTED]
for instance, say you change the mac and hostname and there is a record
in the database with the same mac string, how can I flag the field that
matched from the 3?
Your update will actually fail in the case, so you need to catch the error
with mysql_error() (and
John W. Holmes wrote:
[snip]
When you update the table with an existing mac value, the error will be
similar to Duplicate value for Key XX where XX is what key was duplicated.
I can't remember if the keys start at zero or one, but your ID column will
be the first key, then mac, hostname, and
From: Jas [EMAIL PROTECTED]
If I do this statement:
mysql_query(UPDATE hosts SET hostname=\$_POST[hostname]\,
mac=\$_POST[mac]\, ip=\$_POST[ip]\, vlan=\$_POST[vlan]\ WHERE
id=\$_SESSION[id]\,$db)or die(mysql_error() . mysql_errno());
I get this error:
Duplicate entry '128.110.22.139' for
[snip]
You're not going to be able to fetch anything from the result set because
you're excuting an UPDATE query, not a SELECT.
You also do not want to die() when the query fails, otherwise you won't be
able to react to the error. Execute the query, then check mysql_error() for
a value. If it
