[Resolved] Table prefix change: Old topics don’t display, New topics go to db table with old prefix
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Hi guys,
I feel the answer is very close, just don’t know which file to look in.
Could anyone please assist with the below?My db prefix was wp_
Using a security plugin I changed prefix wp_ to, say, mynewprefix_The result:
1) DB side:
I was not able to log in to the phpMyAdmin under the old db user name. (But I was able to log in to WordPress Admin pages)
I created a new one db user and logged in successfully.In wp-config.php I still see
/** MySQL database username */
define(‘DB_USER’, ‘myolddbuserloginname’);
/** MySQL database password */
define(‘DB_PASSWORD’, ‘encryptedpasswordhere’);Should I change a db user here? (may be it causes what happens in “2)” below)
If yes, how do I get an encrypted password?2) Web-site:
Posts, Plugins, and Groups showed up after the prefix change, but
Forums do not display. Neither forum topics nor forum tags.I created a topic. It saved, I see it in the web-site, but no old topics, they do not display.
I used this link http://tdot-blog.com/wordpress/6-simple-steps-to-change-your-table-prefix-in-wordpress
and manually went through steps. I found a couple of places with wp_ and changed them to mynewprefix.In the PhpMyAdmin I see that I have several tables duplicated. Eg:
I see mynewprefix_bb_topics and wp_bb_topics.
The first table contains all old topics, the second table has the only the topic I created after changing the prefix using the plugin.So it looks like all old topics exist, which is good.
But WordPress or buddypress does not see the renamed tables. And it writes all new topics to tables that been (automatically? re-)created and named with an old prefix (wp_).What am I missing? Where?
Thanks heaps for your help. I looked through everything I could think of…
Natalie
(I use wordpress Version 3.2.1, buddypress Version 1.2.9)
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Hi Hugo! Thanks heaps for the answer!
(I posted the question to WP forums, but then thought that may be it is something in Buddypress files that uses the old prefix. When I said “db prefix”, I meant “db table prefix”, sorry.)
It was “WSD Security” (Wp database Security) plugin.
I agree it’s not difficult to change prefixes when you know what to do
Looks like the plugin worked, but something else is missing… somewhere..> you may have to copy the new tables that now have data to the old ones so any new posts are preserved then delete the newer table and rename the old one with the new prefix.
Thanks for the advice. I have never done this before, I can try. Luckily I have not got any valuable topics, so I can easily ignore them. I.e. it’s ok if new topics created (that went to “wp_” table) will be lost.
> In this situation perhaps the first thing I would ensure is that I had a working DB and would create a new empty DB and restore a sql dump to it that way I could simply switch to that DB in wp-config and get back to original state in seconds.
I will try this.
In wp-config I see db name and a user with an encrypted password.
How can I get the password encrypted? I know it non-crypted as I enter it to phpMyAdmin.Thanks heaps again!
NatalieHi Paul! Milllion of hugs!!!!! It worked %)))
Ah, such a relief…
Thanks heaps!!!Thank you guys, you are very supportive. It is invaluable!
Thanks heaps. Everything is ok nowCheers
Nataliealways forget about bb-config
You should in theory not be needing to worry about md5 or any other encryption passwords are plain text in wp-config/bb-config and in mysql they are hashed after entering.
Anyways you sound as though you are sorted now, but infuture copying the database in phpMyadmin isn’t a bad idea attach an existing mysql user to it then all you need to is change wp-config db name to get back to a working db safely.
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