WordPress stores user generated content, along with other configurable information, in a a database (typically MySQL).

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3
votes
1answer
75 views

What is the correct way for plugins to create tables with special charset/collation considerations?

I'm using WordPress >=3.8. The default charset/collation values in wp-config.php are define('DB_CHARSET', 'utf8'); define('DB_COLLATE', ''); // Becomes utf8_general_ci I am in a situation where ...
3
votes
1answer
177 views

Detecting errors generated by $wpdb->get_results()

How do I detect errors when using $wpdb->get_results()? For example: $result = $wpdb->get_results("SELECT * FROM this is not a valid query"); The preceding code doesn't generate any exceptions ...
2
votes
1answer
35 views

Should I be able to run two different “close” code versions of wordpress with the same DB

A concrete example - I am upgrading to 4.1 from 4.0, the upgrade was successful but I discovered that a plugin broke. Can I just revert the code. The real live issue I am facing is having two ...
2
votes
1answer
2k views

Insert query inserts 2 entries, should insert 1

I've written a small posts by views plugin, well at least started one. My tables are set up but when they are updated the code adds 2 entries into my table when a post is loaded and views are ...
1
vote
1answer
49 views

How to prevent/delay MySQL connections when an object cache is used?

We are using an object cache backed by memcached, however I think that WordPress will still connect to MySQL on every page load, which shouldn't be needed if all queries can be handled by the object ...
1
vote
1answer
401 views

Wordpress database import: Row size too large

I've done a dump of my Wordpress database using Windows's command prompt: mysqldump -u username -p databasename > filename.sql Then, on a different server, imported it using: mysql -u username ...
1
vote
1answer
49 views

Linking Custom Fields to Database Records

Hey there im fairly new to wordpress and php, but have a strong programming/database background. I recently learned about custom fields and am wondering if it is at all possible to do the following ...
1
vote
1answer
64 views

How to display posts by vote count and if no value continue with latest posts with no votes?

Maybe someone can help me with this. I want to display posts by votes. Users can only vote up. So what I want is - the most voted posts by vote count on top and then latest posts with no votes. The ...
1
vote
1answer
39 views

Does auto_load to 'no' in wp_options improve performance

I am trying to improve the performance of a wordpress based blog. I am looking at wp_options table and am thinking to set the column auto_load to 'no'. Does it have any side-effect on the site ...
1
vote
1answer
145 views

Query Wordpress database by registered date and role

I would like to get the display name and email address for all users who have registered to my multisite today with the role of subscriber. It needs to be an SQL query as it's used outside of the WP ...
1
vote
1answer
239 views

Create custom column in post table in wordpress

I want to add two custom field to table wp_posts, and that I need for my plugin. now to enable these fields I have changed core file of wordpress wordpress/wp-admin/post.php $data = compact( array( ...
1
vote
1answer
137 views

How to use default WP form elements to interact with custom DB table?

I know about the use of Custom Post Types, but in this case I do need to use a custom database table (FYI: it's a table that is IP-based shared with another non-WP website). In wp-admin, I'd like to ...
1
vote
1answer
182 views

Importing Data from a Non-WordPress database, into WP

I'm migrating data from a totally different database style into WP. The main issue I'm trying to wrap my head around is how to import any meta data, given that WP uses a key value pair style for meta ...
1
vote
1answer
354 views

Wordpress choose wrong database

I have 2 databases. When I include the database connection (with a include('filename.php');) wordpress acts really strange. I can't login, the wordpress username and password is right but it tries to ...
1
vote
1answer
52 views

cross-site custom menu

i have a multisite whice i want to separate because its unneccery as two of my sites are on the same DATABASE and all i need is actually the dynamic custom menus which i have built in the main site(to ...
1
vote
1answer
70 views

how to migrate wpmu from one host to the other?

this issus is different fromm How to migrate wordpress users from one blog to another since i am using WPMU, i have backup the database, and then import it to the other host, also i have changed the ...
1
vote
1answer
100 views

page not updating with database

I have code which updates the database fine, but the page doesn't update correctly! I have to refresh the page a second time for it to update correctly. Here is the code below ...
0
votes
1answer
13 views

Write mysql credentials in plugin

I've to create a custom plugin to print data from a database different from the wordpress one. I'm using wpdb. Is it fine, from a security point, to write database credantials in the plugin files in ...
0
votes
1answer
19 views

Doubt using $wpbd->get_col for a single column

$table = $wpdb->prefix . 'posts'; foreach ( $wpdb->get_col( "DESC " . $table, 0 ) as $column ){//get all columns from wp_posts echo "<div><p>". ...
0
votes
1answer
14 views

Import live site to local setup without access to live site

I am working with a client to update a current wordpress site. I do not have access to the actual Wordpress install because they are behind a VPN that I'm not able to get behind for various reasons. ...
0
votes
1answer
25 views

fastest replacement DB

What's the best database setup for WordPress for speed and lots of posts (hundred thousands of rows in posts and post_meta tables)? While I can cache as much as I can and optimize my queries/PHP as ...
0
votes
1answer
46 views

Retrieve and display data from custom db table in admin area?

So, i'm having a bit of an issue with a plugin i'm developing, I wonder if anyone can shed any light on the situation, as many, MANY searches have come back with zero help. :-/ Basically, my plugin ...
0
votes
1answer
30 views

MySql Database In WordPress Multisite

I have a multi-site installation. It's a fresh installation, and currently all the sites use the same database. What would you recommend among these and why? Pros and Cons of using the same? Option 1 ...
0
votes
1answer
31 views

Updating ACF field with external data

For our articles on our Wordpress site, we would like to display article analytics that are collected weekly for each manuscript. We have these native custom fields for each post: Article Views PDF ...
0
votes
0answers
117 views

Wordpress plugin tables become corrupt

I have written a plugin that creates and uses 3 database tables. On rare occasion, all 3 database tables become corrupt but no other tables in the database exhibit similar conditions. It is pretty ...
0
votes
0answers
25 views

Display Plugin information on specific url

So I created a WP plugin with its own unique DB tables. I chose this approach as opposed to using a custom post type because of relationships I needed between the tables. So I'm not even sure how to ...
0
votes
0answers
42 views

How do I restore my WordPress that has been hacked?

The website was hacked a week and a half ago. I removed files that were added and removed core WP files that I knew I could replace just to move along the process. Now, I am left with the wp-content ...
0
votes
0answers
108 views

featured image not showing up with mysql_connect

i noticed a certain problem with the featured image issue, i had everything work nicely until i added a mysql connection to another database to retrieve certain information, the featured image stop ...
0
votes
0answers
42 views

Calling update_user_meta inside of another function doesn't work

I have a function that does updates a db outside of wordpress and then I'd like it to take that information and update the user_meta table in wordpress. The print statement prints all the appropriate ...
0
votes
0answers
62 views

I broke database after reuploading local version - what exactly happened? Database error

The site was already working but since I wanted to change the website more and my Internet is not good right now, I decided to download the whole wp folder to local drive, and export database. I set ...
0
votes
0answers
95 views

Passing user first and last names from external db to WordPress user first and last names using session variables?

This may be a little convoluted, but here it goes. I don't let users register on WordPress to access my member site. I have an outside registration/login system set up and want to continue using ...
0
votes
0answers
189 views

Import Excel (or csv) Table with user-data as subscribers to wordpress

i have a tough problem. From an existing database with user-data I need to transfer those users as subscribers to my wordpress database. My user-profiles have various additional custom fields that I ...
0
votes
0answers
32 views

Automatic add record after refreshing page

I have on page only this code: get_header(); global $title; global $wpdb; global $current_user; if ( 0 == $current_user->ID ) { } else { } ...
0
votes
0answers
137 views

WordPress 3.6 generating empty database

I wanted to migrate my local WordPress i use for theme development to 3.6, but the generated tables in the database are empty. WordPress creates all tables, but only wp_options is being filled, but ...
0
votes
0answers
21 views

Wordpress database tables crashing frequntly

For my site www.placementmantra.in, I am experiencing twice-daily table crashes, mainly wp_posts. I tried disabling all plugins, but the problem persists. Any suggestions?
0
votes
0answers
49 views

Getting deleted users in database

I am using the database that is being used by a WordPress site. I am trying to get all the users from wp_users table with SQL query. But there is also previously deleted users in wp_users table. I ...
0
votes
0answers
325 views

Wordpress multisite and one database

i need to use one database (i mean the same tables) with all sites under my network. I know about switching blog, but it's not good with wp-admin side (for example for custom post type i can't see the ...
0
votes
0answers
326 views

Displaying database data as pages (or similar)

I have a friend that has a big database of cars (lets say 4000 entries). Now he wants to add this info to his website. Initially I played with the idea of creating a page for each car, but this ends ...
0
votes
0answers
303 views

Get User Login Data (date, time… )

I did my best looking for information about this subject. Your guidance is appreciated. My goal is to perform some actions based on the number of user logins on my website per month and login days ...
0
votes
0answers
184 views

Save Changes function after table is sorted using jquery

I have a simple table, and the jquery works great for sorting. The fields drags an drops perfectly, and updates then and their. Also of course the data in the fields are saved in a array. The data in ...
0
votes
0answers
96 views

Combine Query and Select Database to create directory loop

I have a query loop on my page that I am using which displays all users on the page with certain custom fields filled out. It's working fine however, I need to also query these users for their level ...
0
votes
0answers
23 views

Moving database from WP 2.6 to 3.5 problem

I recently moved my database from a wp 2.6 blog to a wp 3.5 form using this posts advice. (Alex Miller's answer). Everything looked good on the home page; however, when I click on an individual ...
0
votes
0answers
118 views

Using Zoho Creator Database inside Wordpress Frame

Our agency network has an existing Wordpress-based website, and we would like to use Zoho Creator sort of like an intranet which is accessed through the Wordpress site. Basically, something along the ...
0
votes
0answers
874 views

Host does not allow remote connection, so how do I transfer data to my WordPress site?

I spent the last week trying to get my PHP code on my website to connect to my remote "personal" computer to display some data on a webpage. I just found out today from my web host (ipage) "our ...
0
votes
0answers
406 views

Install WordPress with SQL database

I am very new to WordPress. I didn't even know it existed until I had to do it for my work. So I started in with a WAMP server with WordPress. That worked fine until we needed multiple sites with ...
0
votes
0answers
55 views

Create hundreds of users with just ID in phpMyAdmin

I'm trying to do the same as this post. But I have a problem with the insert records into your wp_users table containing all the ID's of the members you want to import Right now, I have 3 ...
0
votes
0answers
146 views

Custom query on Wordpress custom table

I am working with a custom table where some values will be inserted or updated if they already exists, I have checked and rechecked the syntax and it seems to be working fine, if I run the same query ...
0
votes
0answers
53 views

MySQL Engine vs. Charset

I am attempting to have my plugin create a new table. I am fairly new to SQL. I have found two different method for creating tables: Method I $table_name = $wpdb->prefix . 'cool_table'; $sql = ...
0
votes
0answers
241 views

How to add drop down sub menu from database fields in the particular menu slug

I am creating a menu(not in admin panel) in wordpress, and I want to add drop down menu from my database table fields in a particular menu slug? How can I achieve that, using code? I found the ...
-2
votes
0answers
20 views

Database connection question

I am new to WordPress and I wondered if it would be possible for me to develop my website using WordPress. I need to be able to implement a feature where users log in and a table is displayed ...