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

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125 views

Separate DB by yearly archive of Wordpress

I have large DB of blog post I already export it by year and wanted to make archive by year doing it on subdomain, like 2012.mysite.com I stack looking for solution on internet, I wondering if their ...
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421 views

$wpdb->insert() does not Insert record in a table

I'm trying to understand and get hold of the $wpdb global object but can't seem to make it work. Basically, I'm trying to insert a single record into a custom table in wordpress DB. Instead of ...
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165 views

Wordpress running SQL query to update database from form

Basically I want to take information in from a form and use a separate php page to update the database. so here is the original wordpress php page (add_person.php): <?php /* Template Name: ...
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3answers
493 views

Site running slow on new server?

I recently uploaded a website to a new 123-reg server on a single WP installation (www.moseleycoachsales.co.uk). I had developed the site on my own hosted multisite environment ...
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1answer
301 views

MySQL select query with ajax

I am passing variable with ajax to list.php in my twentytwelve template. In list.php I am executing mysql select query but when I see in console I am getting this error: <br /> <b>Fatal ...
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319 views

Cleaning up bloated wp_postmeta table by removing multiple _thumbnail_id's?

On a very old site (7 yrs) with a lot of posts (30k) I've been trying to whittle down the database tables. The postmeta table is 1.5m rows, 750k of those rows are for a meta_key named ...
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1answer
133 views

Searching With Apostrophe

I'm having trouble with my custom theme's search function. I have a number of posts with apostrophes in the title. For example, McDonald's. However, when I try searching say McDonalds, the post won't ...
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904 views

How to fix database error duplicate entry

At first I thought this was just a damaged table, so I tried repairing via MySQL, but it appears there's more fundamental issues. Which of the duplicates should I remove, and any further advice in ...
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2answers
124 views

wp_insert_post sometimes fails after API call

I have built a plugin that fires an Ajax call to connect to a third-party API. That API returns some Json, which I then save as a custom post with wp_insert_post. Now, usually, this works. But, now ...
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1answer
126 views

Set up Network Locally on a Flash Drive

I've previously used WAMP for developing WordPress themes locally using a WordPress Network using sub domains. Having to set it all up again every time I want to develop on a new computer is a pain, ...
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0answers
111 views

WordPress plugin overloading with tmp tables

I have asked at the plugin's (WordPress Popular Posts) support a few days ago, since no response hope to get some insight or help here. Thanks. Hesitant to tweak settings like max_heap_table_size ...
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3answers
140 views

Replacing link URL ending strings via MySQL

We are about to purchase a site that uses Amazon affiliate links. Naturally, they have their own affiliate ID, Amazon affiliate links look like this: ...
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1answer
315 views

How to optimize 'select found_rows()' query? Several 'high load average' alerts daily

I have 5,000 regular posts, 6,000 posts in one post type and 2,000 posts in another post type. Needless to say, that has made the wp_posts table quite large. Not to mention, I have custom taxonomies ...
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1answer
190 views

Migrating from PDO using SQLite to clean new install using MySQL

I've been using PDO plugin for wordpress and SQLite database. It does not work as expected so I want to use MySQL database, but without PDO for Wordpress since I cannot trust that plugin anymore, It ...
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292 views

WordPress Query wp-terms SLOW

I've got a very large database in WordPress with lots of products in WooCommerce along with quite a bit of taxonomies. When querying the products on the front end it takes 1 minute or more. Here is ...
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1answer
114 views

Custom order for Mysql array

I have a Page of Posts, each post has a Custom Field "expired" which contains a date in the format YYYY-MM-DD which is used to order the posts. This date is used for a script that tells the visitor if ...
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1answer
889 views

mysql query from wordpress page using custom table

I want to a mysql query that matches a page title. Not sure of a better way to accomplish this task, but I am stuck. This is my basic test code. <?php $page_title = wp_title(''); echo ...
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76 views

Regex to turn embedded images in to attachments

I've got a blog that has all images embedded in each post rather than a thumbnail linking to an attachment page which is what I'd like. I understand from this question that no plugin (like Regenerate ...
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192 views

Retrieve/get current image from Nextgen gallery db

I thought that I can do it using the database where the idea was to get the image from the ngg_gallery_pictures table, where the browser URL is equal to URL of the image in the table. Then I will get ...
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180 views

Query most popular terms by taxonomy over 2 week period

I have written SQL for a query that pulls the most used taxonomy terms for selected taxonomies that are published, do not have a parent post are not in a comma separated list over the past two weeks ...
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229 views

List authors with the last post title and order by last post date

I want to list authors with last post data and order them by last post date. Now i have this codes but i don`t know how to edit them. // Selects from tables wp_users and wp_posts, selecting published ...
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0answers
53 views

How can I make wordpress suppress mysql errors?

Wordpress has two functions related to SQL queries and their errors as mentioned in What Is The Difference Between suppress_errors() And hide_errors() in $wpdb? From what I've read setting WP_DEBUG ...
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1answer
292 views

How do I write this SQL statement for Posts written in last 24 hours?

Someone gave me this SQL code to count the number of posts (of post_type 'mixtapes') in the last 7 days. I tried to convert it to 'in the last 24 hours' as well, but it's giving the wrong number. ...
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1answer
609 views

Paypal Post IPN handeling nightmare

I'm trying to integrate paypal standard with my Wordpress site and all was going well until I wanted to do one simple thing: The user submits a paypal payment Paypal posts the IPN to my server Post ...
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4answers
426 views

Migration: Copying database content to a different server

I'm migrating our WordPress site from one server to another. I need some hint on how to deploy a database dump (which I have) from the original server to the new one. There is no phpmyadmin (at least ...
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0answers
298 views

WPDB is not working when trying to run a custom query [closed]

I'm developing a WordPress plugin, and have no other plugins installed. The logging function is as simple as function log($message){ global $wpdb; $message = $wpdb->escape($message); ...
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1answer
329 views

Wordpress Post # of # filtered by category slug

I want to show post #4/100 at the top for each post for which I'm using following code function updateNumbers() { /* numbering the published posts: preparation: create an array with the ID in ...
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1answer
823 views

Call to undefined function get_user_meta() - trying to access data in MySQL from custom fields

I am trying to access data from some custom fileds in my MySQL db so that I can add them to a webpage that will be printed out. The data is held in a column called "paypal_user" and I need to access ...
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3answers
606 views

My WordPress site always displays a cached version of its homepage

First of all, sorry if I'm making a mistake. I already asked this on the ServerFault forum, but got no answers at the moment and I thought it would be a good idea to ask the question here, considering ...
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1answer
311 views

WP-DownloadManager - Query most download per week/month etc

I'm using this plugin (http://wordpress.org/extend/plugins/wp-downloadmanager/) as my download manager. While it's very simplistic and does great for what i need, the statistics to output on the site ...
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3answers
2k views

query to create woocommerce products from images

I have hundreds of art images in my WP media library, each of which I want to convert into a woocommerce product, and set as featured image of that product. Rather than manually adding new products ...
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2answers
5k views

Scanning Database for malicious Data

After a site of a friend has been hacked I told him he should just clean up the mess and restart from scratch so he know that no file has been altered. I could scan the site for him with tools like ...
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3answers
790 views

Code to remove authors with no posts connected to them

I am looking for SQL code that I can run from phpmyadmin to remove all registered users on the blog that do not have any post associated with them.
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316 views

Order posts alphabetically: how to set order=asc in mysql query?

I have this function: global $wpdb; // adjust the query to fit your needs $posts = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_type = 'post' ...
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2answers
145 views

Copyright: Get first and last date of post type

I was searching for the easiest/fastest way to get the accurate date range for copyright notices in the footer. The copyright notice shouldn't only contain the year, but as well take month and day ...
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1answer
152 views

Migrating database / content of non-CMS site to Wordpress

I have a non-CMS website which is fully build with PHP with a lot of content in it. I don't want to add my posts manually in Wordpress, because that's a pain in the ass (I am talking about 5000 ...
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2answers
3k views

WordPress mysqli and PDO

Does wordpress code base use mysqli or PDO? I know PDO is superior to mysqli but mysqli is not bad neither. Plus from one of the features of what makes PDO is superior to mysqli ( that is being ...
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2answers
2k views

How to Query Database for posts with certain Taxonomy Term

I want to write a select query to return data on only posts which have are associated with the taxonomy term food-and-beverage SELECT wp_postmeta . * , wp_posts.post_name FROM wp_posts, wp_postmeta, ...
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1answer
805 views

mySQL query. ORDER BY meta_key

I'm fighting this quite long already and start to think I'm missing something big. CPT posts could have or not metadata ( _vip_post [0|1], _thumbnail_id [null|numeric] ). If i query for ...
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1answer
160 views

How i can obtain all the post meta for a specific post as an array?

<?php $fields = get_post_custom($ID); ?> This will fetch the custom fields ($key => $value) for $ID in to the array $fields. I want ALL the fields (both custom & standard WP fields) ...
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2answers
746 views

Help!! I Screwed up my WP

I was trying to clear up some empty tables left behind by other previously used plugins. As such i was trying to delete the GD Star rating plugin and now I cannot access my WP admin. i get the 'You do ...
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2answers
133 views

Can Categories be used to hack a Multisite-like setup w/ a single MySql db?

I have a project which will effectively create multiple blogs that will be fed existing content (don't worry, this isn't copyrighted content from other blogs or anything like that). From a DB ...
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1answer
126 views

What do these phpMyAdmin errors mean on my WordPress databaes?

I'm getting 3 very similar phpMyAdmin errors on one of my WordPress databases. More than one INDEX key was created for column `comment_approved` More than one FULLTEXT key was created for column ...
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2answers
2k views

How to return number of found rows from SELECT query

I wrote a function which is supposed to return the number of rows found in a SELECT query but it always either seems to return 0 or an array. I have been messing around with this for about an hour now ...
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1answer
246 views

after wordpress update to 3.5+ i get many errors in plugin wpdb::prepare()

after wordpress update to 3.5+ i get many errors in this plugin. i found that the reason is: http://make.wordpress.org/core/2012/12/12/php-warning-missing-argument-2-for-wpdb-prepare/ I do not ...
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1answer
121 views

SQL Query in WordPress - Getting Impossible WHERE error

I don't get any result in the SQL query below. I am trying to find user_id of users with custom usermeta fields. SELECT DISTINCT user_id FROM wp_usermeta WHERE ( ( ...
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1answer
99 views

Create a WordPress administrator without access to back-end

My site recently got hacked, and all my admin users lost their administrator level access. But when I access mySQL database, I saw all the users still exist. How can I create an administrator when I ...
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1answer
579 views

Defining the same price to all WooCommerce Products

All of my products on my site are $1 and during an import I did using WooCommerce import it didn't save all the _regular_price & _sale_price values, so there is no way for the user to buy that ...
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1answer
437 views

SQL query not working in alphabetical post title/content search

I have an ajax request using wp_ajax sending one variable named "q" what I want to do is after the script get's the request to look inside the db and fetch the title and id of the corresponding posts ...
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2answers
80 views

Problem with admin login after deployment

I made a site for a friend and everything worked so far on my development box that we can start final deployment and testing so I decided to put it on the hosting. So I done the standard procedure ...