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

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1answer
469 views

Formatting of curly brackets array from WP database to get more readable output

E.g. when I want to edit something in my WP database, I get a headache, literally. Because I see something like this: ...
2
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1answer
108 views

Filter WordPress posts by between parameter

How to filter WordPress posts by a taxonomy and between parameter? Consider a mobile website with "memory size" taxonomy, I need to show posts that have more than 256 mb memory and less than 768 mb. ...
2
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1answer
1k views

How to increase the character limit for post name of 200?

I have post name in Thai which uses UTF-8 character. Many of them encode into super long in ASCII e.g. วิธีการหลีกเลี่ยงข้อผิดพลาดทั้ง-8-ในชีวิตการแต่งงาน I've changed the type of "post_name" using ...
2
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2answers
210 views

Relationship between performance and database size

What's the relationship between performance and database size in WordPress? Does a bigger DB mean that my site will be slower? My DB size is currently 360mb. I also noticed that I have some tables ...
2
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2answers
143 views

Wordpress DB: options-table –> 32 gzipcompression?

I just wondered what this row in the Wordpress Database refers to? 32 gzipcompression 0 I stumbled upon it in the WP options table. What if I set the value to 1. I do already have ...
2
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2answers
1k views

WordPress Database Charset/Collate

Is there an easy way of getting the charset and collation of the DB tables in WordPress without resorting to SQL queries?
2
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1answer
1k views

Add Wordpress MU Network Admin via Database

I am working on getting a copy of a WordPress MU network up and running on my local machine for development purposes (using WordPress 3.2.1 at the moment). I need access to the network administration ...
2
votes
3answers
780 views

Best way to import users, post and categories from an external database

I need to migrate an existing website to WordPress. This website already has a basic database containing users and posts (with a category), but it also has a high number of records so it's not ...
2
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1answer
167 views

Is it wise to delete post revisions and autosaves from database?

I'm just wondering is it wise to delete all post revisions and autosaves from database every once in a while? I mean they take a lot of database space and apparently have no use after the post has ...
2
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1answer
829 views

How to use custom post type APIs, but use a different db table

We currently have a plugin that creates a new WP table, but it recreates the wheel when it comes to managing/updating data. It would be a good candidate for custom post types, but we don't want to ...
2
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2answers
438 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
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2answers
312 views

Is a direct or import approach safer for migration into WordPress?

We're in the process of migrating a site from an existing CMS system into WordPress. The existing CMS system has no direct integration tools with WordPress. I'm looking into the option of creating ...
2
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2answers
26 views

Shared table across network

Im currently creating a plugin that will read an xml file and import the data into 4 tables on a wordpress multisite. the tables are rather large, with ALOT of columns, so the post table is not ...
2
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2answers
61 views

WordPress unresponsive after calling wp_update_comment()

In the admin panel's "Edit Comment" page, for some reason after I click "Update" the Edit page goes into infinite loop/loading (the spinner icon in the Google Chrome tab never stops spinning). My ...
2
votes
1answer
26 views

Subscribers to posts

Consider each post to be topic of conversation, and comments a conversation. For now it is fine. I created a post type called conversation. Now I want to list all the conversations a user is in. How ...
2
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1answer
332 views

Is $wpdb->prepare escaping to much? How to use it properly?

Im pretty much confused by $wpdb->prepare. I want to use it to sanitize user input but it turned out that it destroys the query. I cannot imagine that this is how it's intended to work but I can't ...
2
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1answer
100 views

$wpdb->update has finished saving trigger?

I have a custom table that I am updating via wp_ajax action. I am inserting a row and inserting all of the values other than id which is an AUTO_INCREMENT. I have an ajax response that creates a new ...
2
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1answer
435 views

how to show database content in wordpress post

I'm a beginner for WordPress. I have a database app written in PHP and MySQL and I need to convert it to WordPress and also I what to post the database rows info by shortcode were id="x" like: ...
2
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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
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2answers
1k views

How to modify post content before writing to database?

Hi~ I'm back again and I'm trying to add another function to the script I was working on a plugin that notify my friends of new post that mentions(@) them. Now I want to change the plain text of my ...
2
votes
1answer
90 views

What is the easiest way to implement cascading database upgrade for my plugin?

Lets assume following situation: I develop a plugin. The plugin requires custom database table to store some kind of information. From month to month I release new versions of my plugin. Different ...
2
votes
2answers
700 views

The plugin generated x characters of unexpected output, $wpdb not defined

I've written a simple Wordpress plugin to create a new database table. The new table ought to be created when the plugin is activated. When I try to activate the plugin, I get the following error: ...
2
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1answer
142 views

Wordpress database growing dramatically in size despite adding no new content

I have an old Wordpress site that I no longer maintain but keep online anyway. I have a cron job setup on the server that backs up the Wordpress database once a month. I am noticing a continuing ...
2
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2answers
147 views

Is it possible to import a wordpress backup from a single site in to a multi-site configuration?

I have a local development server with WordPress installed (my desktop Linux Mint 12 box). I'd like to use multi-site WordPress to manage my different client projects through one install, but I have a ...
2
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2answers
109 views

I have a table I created, how do I make a form for a user to filter the data?

I have created a table, I now need to filter the data from that table when someone selects options from a form. Whats a good way to do that?
2
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1answer
76 views

How wordpress accesses its own database

Hi I'm just curious as to how Wordpress accesses it's own database, meaning that when I look into an admin page like link-manager.php or class-wp-list-table.php I don't see any occurences of $wpdb. ...
2
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2answers
224 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
392 views

How to create Sub Sub domain Multi User blogs?

Hi to all I would like to create a big Wordpress network with this structure: sitename.com (Main website) cat1.sitename.com (sub website) cat11.cat1.sitename.com (sub-sub website) ...
2
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1answer
541 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
3answers
357 views

WP Database Error (Windows Server 2008 & SQL Server)

I have a WP site up and running for my wife and she attempted to install a text widget that linked to her Twitter account (she says HTML was taken from Twitter.com). I am not sure exactly what she ...
2
votes
1answer
28 views

Weird issue with database migration and SSL links

I want to move my database to my another mirror server (for testing & stuff). My original one is using SSL and I am forcing it to do so. When I migrate with DB Migrate plugin, the non-ssl server ...
2
votes
1answer
493 views

Has anyone tried putting PHP ActiveRecord on Wordpress?

I have worked with Ruby on Rails and I was looking for some code that did something close to the wonderfull RoR's ActiveRecord. I stepped by this site. Its PHP-ActiveRecord! I found it amazing, and ...
2
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2answers
120 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
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1answer
116 views

Is there a shortcut to change bulk BMP images to JPG images in a site?

Images in WordPress posts, as I understand, are uploaded manually. They are uploaded by default to uploads folder. A client of mine reported that, in one of his site, he uploaded all the images in BMP ...
2
votes
1answer
770 views

Ajax with jQuery UI dialog not working

I am trying to update my custom database table when changes are made in a dialog box. The script for the dialog box and ajax call is as follows - jQuery(document).ready(function($){ $("td > ...
2
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2answers
256 views

js Conflict in admin panel - I guess it's from the core WP installation

A client's site: causing serious js conflict or js loading disabilities, is under custody. Activating DEBUG, Deactivating all Plugins, and Activating Default theme "T13" found that, still the problem ...
2
votes
3answers
874 views

How to export/import theme customizer settings?

I am wondering if it is possible to export theme customizer settings(theme_mods) to be imported into another install of the same theme. I know that the settings are saved into the database so I am ...
2
votes
1answer
3k views

Check if post of title already exists

I'm writing a plugin that takes an xml feed and posts it into WordPress using wp-cron Everything is working dandy, except it keeps adding the same posts over again. So, I'm working on a system to ...
2
votes
1answer
120 views

Importing Multiple DB to one MU database

I have three databases associated with three different WP sites. I set up one MU site, with one database. How should I import each of the three databases?
2
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2answers
285 views

What is an efficient way to query based on post_meta?

The problem I am having is when I allow users to filter posts it overpowers the database and things run extremely slow. I am unsure what the best way to query posts using meta values is. My site has a ...
2
votes
1answer
60 views

How to log database changes during an upgrade?

I have Wordpress installed in a classical LAMP configuration. Is there any way to, in a protected environment (like staging), automatically log all database changes (i.e. drop indexes or alter tables) ...
2
votes
1answer
616 views

WP 3.4 has missing photo data

I just updated to WP3.4 and discovered that previously available images are no longer "found" by the system. By this I mean that all the image files remain online and accessible, but WP has lost ...
2
votes
1answer
1k views

How to edit/delete single row items in a table on my own menu page

I have successfully created a wp-LINKS-list-table that displays the output of WP's core "Links" table in the WP Dashboard, and I have it displaying on a menu page I created. Step 1 accomplished! ...
2
votes
2answers
1k views

Have multiple local wordpress installs share a wp-content folder and database

On my local machine, I have multiple wordpress versions installed so I can test the themes and plugins I develop. I was wondering if I could somehow create a central wp-content folder and database, ...
2
votes
1answer
49 views

Leader board for game on homepage

I've built a simple game which is housed on my homepage. I'd like to create a leader board (a small results table) which displays the top three 3 scores. How would i insert/retrieve the score data ...
2
votes
1answer
40 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
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0answers
36 views

Backup another database with BackUpWordPress plugin

Is there any possibilities to add another database which is connected to other wordpress plugin? My site is using two database: main wordpress db and additional db for plugin data. The Backup includes ...
2
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0answers
350 views

comment_post_ID 0 (cannot remove from dashboard)

Ran across something a bit odd that I haven't seen before. A client has a pretty active blog and uses Akismet (paid) to protect against spam. At least once a day, they're reporting a spam comment that ...
2
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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 ...
2
votes
1answer
254 views

What Is The Difference Between suppress_errors() And hide_errors() in $wpdb?

What is the difference between the suppress_errors() function and the hide_errors() functionin wpdb class? What is the use of each function?