MySQL is an open-source, relational database management system.

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3
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2answers
198 views

WordPress for a very large website

I've searched and searched but I did not find an answer online. Also, I've posted this on StackOverflow and apparently it wasn't ok and I reposted this here. I hope it's ok. I have this website which ...
3
votes
1answer
618 views

Using source control with WordPress

I just recovered from a pretty bad crash using Server 2008 Shadow copy. Ultimatly I didn't lose more than a few hours of work but a loss is a loss. I've decided to move to version control to prevent ...
3
votes
1answer
82 views

Use REGEXP in WP_Query meta_query key

I know I can use REGEXP in WP_Query like this: $query = new WP_Query(array( 'posts_per_page' => -1, 'post_status' => 'publish', 'meta_query' => array( array( ...
3
votes
1answer
197 views

Can I explicitly specify ENGINE=InnoDB in Wordpress?

I converted all my tables to InnoDB, but the MySQL server (which I can't access, as I'm on shared hosting) has MyISAM as the default, so every new table that Wordpress creates (e.g. when I add a new ...
3
votes
1answer
836 views

Extending search query with additional $sentence value

Next in my quest to extend WordPress is altering how WordPress uses the the $sentence variable in posts_search to include an additional string, when the $sentence variable meets a certain criteria. ...
3
votes
2answers
911 views

WordPress use innodb by default?

I just created a new WordPress site in my server. Normally, WordPress uses MyISAM as the database type. But this time, it created all InnoDB tables! Is this normal? Has WordPress switched to InnoDB in ...
3
votes
2answers
7k views

Where is the content of widgets stored in mysql table

I have the cPanel access to a website but no wordpress login info. So I wants to change a widget content in the website. How can I change it through phpmyadmin. Where are that widgets sidebar data ...
3
votes
2answers
684 views

How is the data stored in the database?

I have years of experience with PHP and MySQL, but just starting to develop plugins for WordPress and need some help. Currently, I am working on a plugin that will add extra functionality to another ...
3
votes
2answers
438 views

Search multiple meta keys at once

How would I modify the following SQL Query to allow me to search multiple meta keys at once? e.g. user_business AND user_about In the end I'll be searching about 40 - 50 different meta keys; or if ...
3
votes
2answers
669 views

mysql custom wp query

this code is designed to select posts with selected meta value in wordpress query <?php $values = $wpdb->get_results("SELECT DISTINCT meta_value FROM $wpdb->postmeta WHERE meta_key = ...
3
votes
1answer
4k views

delete unused postmeta

I love the comment by s_ha_dum : http://wordpress.org/support/topic/sql-query-to-delete-postmeta and havent tried it yet, but Im wondering just how 'clever' this actually is? Does the unused postmeta ...
3
votes
2answers
88 views

Wordpress will not operate correctly

My website is ImASpy.com. If you click on the link, Findings, this takes you to my first Wordpress page. It appears to work fine until you click on comments, or you try to go to the about page, which ...
3
votes
1answer
963 views

Problems with DBDelta with FOREIGN key?

I have the following sql I am using with dbDelta: $sql .= "CREATE TABLE " . $location_table . " ( location_id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, name VARCHAR (100), ...
3
votes
1answer
1k views

importing data from non-wordpress mysql db

I have created an import file to get the articles from a non-wordpress db and bring them in as posts in wordpress, I am not sure how to bring over the thumbnail image into my custom field I defined as ...
3
votes
1answer
525 views

Return ID of authors who have at least one post

I found a great piece of code here that returns the ID's of users by role. What I would like to do is modify it so it only returns the ID's of the users who have at least one post. I have tried to ...
3
votes
2answers
135 views

Query meta field using between

I'm trying to Query some lattitude and logitude and then I get some long numbers and apperently the Query dont like that. Let says I have these in the database Meta-key: lat Meta-value: 54.3415000 ...
3
votes
3answers
11k views

WooCommerce with thousands of products - site is very slow - optimize db queries? [closed]

So far I've got around 8,000 products in my WooCommerce and the product page on the front end takes several seconds to load, even after caching. My VPS host says that I should have multiple ...
3
votes
3answers
673 views

Fulltext search in posts sorted by relevancy

I'm building a custom search page and what I need is to sort results by relevancy (eg. occurences of a keyword) Using MySQL docs I've built this query: SELECT ID FROM $wpdb->posts WHERE MATCH ...
2
votes
3answers
4k views

Convert WordPress posts to products in WooCommerce

Is there anyway I could convert all the posts e have right now on our WordPress install into products using some MySQL query or something like that?
2
votes
2answers
11k views

Using Dynamic Data Pulled from a MySQL Table in a WordPress Page

I'd like to pull data from a mySQL database and put it in some tables in a WP page. I'm using WP 3.1.1. Imagine that I've got a table of sales figures that I want to pull from a mySQL database and ...
2
votes
3answers
894 views

Programmatically changing role information; editing role name and deleting

I am making system where I am delegating a lot of functionality to the front end of a system using Wordpress. I have listed all the roles (most of the custom) and need to ability for a logged in user ...
2
votes
3answers
6k views

How to validate WordPress generated password in DB using PHP?

I am working with site that is done with WordPress, and I need to add some parts that are outside WP, and to check user login, Logging users outside WP. I tried with md5 of password but it's not... ...
2
votes
2answers
4k views

Get Previous & Next posts by Post ID

How can I go about getting the previous and next posts from outside the loop? Everything I try to do aside from the custom SELECT query (using get_posts or WP_Query) breaks stuff further down the ...
2
votes
1answer
1k views

How to Delete Old Comments by Date?

I run a contest/giveaway blog at www.mommylivingthelifeofriley.com and currently have over 160,000 comments on 1100 posts. I would like to find a way to delete all comments from my site which are ...
2
votes
2answers
2k views

If I consider changing my WordPress DB tables to InnoDB, will it have an effect on the way WordPress works?

I found a superb post here about optimising WordPress for large installs. One of the steps refers to lighthttpd which sounds excellent but isn't currently supported by DirectAdmin. Last time I messed ...
2
votes
3answers
2k views

Import 10,000 Users into Wordpress WITH a specific ID for each user

I have a website which has about 10,000 users. I am converting this site over to Wordpress. The new site is ready to roll, but I have to bring over all the users. There are a number of plugins ...
2
votes
2answers
962 views

modify all posts of a category to “no comments allowed”

I'm looking for a way to modify all posts of a certain category to be "no comments allowed" without going into each post settings, one by one, and modifying manually. Perhaps a MySQL statement? ...
2
votes
1answer
209 views

WP database error for comments_popup_link()

I'm using the comments_popup_link() function to show the number of comments for each post in a loop. <?php if (have_posts()) : while (have_posts()) : the_post(); ?> <?php if ( ...
2
votes
1answer
19 views

How to run WordPress across 2 VMs for high availability

Microsoft Azure requires that applications utilize two instances across multiple data centers in order to achieve their "high availability" SLA and ensure your sites don't go down for routine ...
2
votes
1answer
915 views

Can I use MariaDB instead of MySQL in wordpress?

Is it possible to use MariaDB instead of MySQL in Wordpress installation? If possible: how do I do that? Is there any drawback or complexities?
2
votes
2answers
486 views

How to do a MySQL dump from production site without using a search and replace script for local development?

I performed a MySQL dump of my WordPress production database to be imported into my local development environment. I plan on frequently performing this database dump and import. Is it possible for me ...
2
votes
1answer
919 views

How to change post format from Aside to Image for all posts?

I have a blog where all the posts had the post format Image. This morning I see that somehow they have all been changed to Aside. I'm still trying to figure out how this happened, but in the ...
2
votes
2answers
441 views

Database slowdown after update to 3.4.1

I own a wordpress installation, and Updated to 3.4.1. After the upgrade, I got a very strange slowdown to my wordpress. After all, I used the define('SAVEQUERIES', true); in my wp-config.php with ...
2
votes
2answers
496 views

sql query to put quotes around numbers in img tag

I have quite a few old posts that contain an img tag with height and width with no double quotes around the numbers. For example: <img height=319 alt="" ...
2
votes
1answer
1k views

Split WP install between 2 databases?

Is it possible for Wordpress to work from two databases? The reason I ask is that we're approaching our 100mb limit for database size on our host (1and1) but have up to 100 databases, so what I was ...
2
votes
1answer
558 views

if statement on database query

Part of a voting script I'm working on: I'm checking a custom table in my WP database to see if a user already voted for a post by checking the IP address and the post id. If the user's IP already ...
2
votes
1answer
14 views

WordPress and automated MySQL backups to a different host

I'm having the following setup. A development computer in my local network and a production server with a real internet domain. Developing the PHP/CSS files on my dev computer for my theme is handled ...
2
votes
1answer
102 views

Using $wpdb Class to Pull Recent Comments Across a Network

Been looking for a clean and simple way to produce comments from across a network using the $wpdb database class. I did find this answer, which has been protected, and is four years old. I wrapped ...
2
votes
2answers
1k views

Concurrent / simultaneous MySQL connections

I've been looking for the best WordPress hosting for me and I'm wondering how many MySQL connections at once WordPress requires? I know this is kind of general question but how does it look for you? ...
2
votes
1answer
1k views

Bad Request (Invalid Hostname) on working server, database problem

I have a local server up using EasyPHP. I know its working because I have a default wordpress install running and up on my brower. I have a full site which I also know I have working because when I ...
2
votes
1answer
1k views

Inserting Hundreds of Thousands of Posts at Once

I have a project in which I create an array of 200k+ lines w/ 25 fields that run the wp_insert_post and update_post_meta. To start it processes pretty fast the slows down a lot after 10k records or ...
2
votes
1answer
1k views

Get multiple custom field values in a $wpdb query [duplicate]

Possible Duplicate: How to query posts based on lat-lng coordinate as post meta? I want to create a $wpdb query that select the closest places (custom post type) near the current ...
2
votes
2answers
227 views

Tons of Twitter rows in my database

I have 264,307 "http" (post_type = http) rows in my wp_posts table. 99% of those have them have this post_title: GET http://twitter.com/statuses/user_timeline/@xcentric.json?count=100 and "error" ...
2
votes
1answer
584 views

Split a database will improve performance?

Hi to all I'm running a Wordpress MS installation and I would like to move a couple of heavy "sub" blogs on a different DB, will it encrease my performances? Actually I'm on a dedicated server with ...
2
votes
1answer
73 views

How to run scripts when a new blog is created in Buddypress?

I'd like to insert some mysql data into every new blog that's created on my buddypress system. How can I hook up to the newly created blog data? ID, for example, would allow me to insert it right from ...
2
votes
1answer
177 views

SQL query to get adjacent posts from search query

I'm busy rewritting a custom function I have recently written to get adjacent posts according to a tag, category, custom taxonomy term, author or search value saved in the URL I'm using the structure ...
2
votes
2answers
170 views

Why does dbDelta() not catch MysqlErrors?

From what I can see, dbDelta() is designed to suppress database errors that occur during its operation. Generally speaking, this seems to be the case, but New Relic is still reporting MysqlErrors ...
2
votes
1answer
243 views

Ordering Post 2 Post admin meta box by meta from CPT

I've just started using Posts 2 Posts (brilliant plugin by the way) in combination with a custom post type called "Artist" and the WP Event Manager Plugin. My aim is to use P2P to link Artists to ...
2
votes
1answer
117 views

little help with a mySQL query to wp database

@t31os gave a very helpful response to: getting all values for a custom field key (cross-post) by providing this function if ( ! function_exists( 'get_meta_values' ) ) { function get_meta_values( ...
2
votes
1answer
2k views

How can I debug my database connection for unit testing?

I've set up a wordpress environment on my Mac with MAMP and I'm running 3.5.1 locally (i.e. http://localhost:8888/blog works). I'm trying to run the unit test suit from wordpress.org and having ...