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

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0
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2answers
74 views

Extracting the post_id via the wp_insert_post action (external db query)

i'm writing a little action plugin. everytime a new post is created, a new table should be created in an external db. The name of the table sholud reflect the post_id of the newly created post, but i ...
4
votes
1answer
102 views

Dealing with Many Meta Values, 30+

I have a "Listing" post type with 30+ meta keys which I feel like can cause a strain on the database when there's 100+ posts. Usually what I do is save each meta value 1 by 1 like so: ...
0
votes
1answer
480 views

Plugin: connect to external database without showing password

I am creating a WP plugin, which shows information from an external database. The plugin will be distributed, the external database is on my own server. I know the following code will connect to my ...
0
votes
1answer
137 views

Display single post inside accordion based on form submission results

*Note - for full background see previous question here: http://bit.ly/1gaF673 Ok, so after fixing the problem above and a couple of issues that followed. My form submission returns the results I ...
0
votes
1answer
119 views

Add field to user meta table in database when link is clicked

I am working on function that enables registered users on my site to bookmark posts. I have searched for plugins but none seemed to do the job properly. I have a page where users can see their info ...
0
votes
2answers
41 views

Database custom table issues - incorrect result displayed

First things first: I've spent most of today going over these forums; the stackoverflow forums; the php.net manual; and a bunch of random sites I found through Google Search - so, if I've missed the ...
0
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0answers
108 views

Get thumbnail using wpdb from external wordpress database

I'm trying to get thumbnails from posts using a wpdb query where the wordpress database I'm querying is not the one from which the wpdb query is being called. That may be a little unclear, so here is ...
3
votes
2answers
492 views

$wpdb won't insert NULL into table column

When i try something like this $status = NULL; $wpdb->update( 'table', array( 'status' => $status, ), array( 'id' ...
0
votes
2answers
74 views

Error establishing a database connection - Multi-site with subsite don't exisit

I have a multi site setup to which I have placed define( 'NOBLOGREDIRECT', 'http://www.example.com' ); In the wp-config.php file However when I visit a site which dose not exist (e.g. ...
0
votes
1answer
48 views

Cannot update custom database table row

I am trying to update a row in a custom database table by $wpdb->update();. In my opinion my code is right but for some reason my database row doesn't update. Can anyone help me with this? I want ...
0
votes
1answer
31 views

How to add data from wordpress tables to new database tables you have created

I'm just learning this database stuff and so I am a bit confused and was hoping someone could push me in the right direction. I have managed to create users in the wp_tables I have created in my ...
0
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0answers
288 views

Check if values exists DB

I am getting nutts with this one. I want to check if the email introduced in the form already exists in the database before creating a new record. But for some reason the email is empty at search ...
1
vote
1answer
36 views

Is there a way to run upgrade.php for one blog?

I just ran the auto update to verion 3.9 today, but am having problems with the "Network Update". I seem to have a firewall or network problem with this error : Your server may not be able to ...
3
votes
1answer
65 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 ...
0
votes
1answer
19 views

4th Network Site Database Errors?

4th site created but not available in the admin menu or the my sites screen. So the my sites screen /wp-admin/my-sites.php only shows three, not the 4th. The My Sites menu at the top also only shows ...
0
votes
1answer
25 views

how to remove category from database

is there a way to remove the category from the database? I just moving my old wordpress blog (that has the category in url), to new domain (without category). I change everything except the ...
-1
votes
1answer
229 views

Connect to a remote database for wordpress in my own hosting server

Yesterday I had asked this question but it was down voted due to the rules of this forum. Anyway, this is my learning and I really thank to the moderators who down voted this as they helped me to gain ...
0
votes
1answer
89 views

delete_option() and update_option() returning false

I know that when delete_option() or update_option() fail to perform their respective database interactions, they return false. Does anyone know why they wouldn't be able to perform these actions? ...
1
vote
0answers
38 views

Is there an atomic way to update_option in Wordpress (to ensure data integrity)?

I want to update an option which is an array by adding a new value, but there's no atomicity or guarantee of data integrity. EXAMPLE //Get the option value (an array) $val = get_option( ...
0
votes
1answer
115 views

How Do I Delete WordPress Posts Older Than 400 Days, From A WordPress Category

I have tried the following phpMyAdmin query in an effort to delete all posts, from wordpress category 378, that are over 400 days old. delete a,b,c,d FROM wp_posts a LEFT JOIN wp_term_relationships b ...
0
votes
2answers
70 views

When I click edit on a post, all the content disappear. Does anyone know how to fix this?

I am working on a site: greatlakesecho.org When I try to edit a post, the content just disappears from the visual editor. I am running the latest version of Word Press but this happened on the ...
0
votes
1answer
86 views

How to set search query for joining two tables in sql?

What's the wrong with this query? SELECT l.company_name,DISTINCT c.sub_cat_name FROM tbl_listing l,tbl_sub_category c WHERE l.company_name LIKE '%cy%' and l.city_id='2' and l.area_id=23 ORDER BY ...
1
vote
1answer
51 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 ...
0
votes
1answer
108 views

How Do I Merge Categories With phpMyAdmin

I tried the following phpMyAdmin query to merge my category 112747 into my category 112748: UPDATE wp_term_relationships SET term_taxonomy_id = 112747 WHERE term_taxonomy_id = 112748; It did not ...
2
votes
1answer
93 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 ...
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0answers
57 views

Delete duplicate rows from wordpress database where a column is duplicate in phpmyadmin

I have a wordpress table like so (phpmyadmin and MySQL) | id | meta_key | meta_value | +----+-----------+------------+ | 1 | import_id | abc | | 2 | import_id | abc | | 3 | ...
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0answers
45 views

Inserting posts to database

I want to import a bunch of posts directly into the database and I'm wondering how I can do this? I found this script ...
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0answers
67 views

wp_insert_post another database with custom field

wp_insert_post with the command you want to transfer the contents to another database, I use the following command <?php require('wp-config.php'); $conn = mysql_connect($dbHost, $dbUser, ...
0
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0answers
130 views

How to parse meta value from user specific post to google charts?

I'm currently working on a project where i need to visualize the progress of users (fitness). For that i have created a custom post type with custom fields. I want to parse the meta values associated ...
0
votes
1answer
152 views

$wpdb->get_var - What value is returned when zero records are found?

I have the following code: $queryPermission = $wpdb->get_var( $wpdb->prepare("SELECT Active FROM testers WHERE user_id = '$user_id' ")); ...
0
votes
1answer
78 views

single.php not pulling in any data from database

My single.php doesnt seem to be fulling any information through from the database for the current post. here is my single.php code: <?php get_header(); ?> <div class="main-container"> ...
2
votes
2answers
420 views

Should I global $wpdb outside of any of my plugin's functions scope?

I know that the general advice to global variables is to not use them at all. Still, when doing something with the Wordpress database, it is required to do global $wpdb; to access the methods ...
1
vote
1answer
135 views

Wordpress database error - Error in SQL syntax - I can't identify any error?

I am trying to write function that checks whether an email address is stored in my database or not. I've written the following PHP code:: function check_my_users( $email_address ) { global ...
0
votes
2answers
73 views

Duplicate domain database to local - How?

I've noticed that my process is rather slow and i'd like to speed it up. I want to be able to duplicate my database from my domain which is blueharlequin.com and work locally thus speeding up the ...
0
votes
1answer
44 views

Understanding WordPress Search

I am trying to create a custom search similar to the one on totaljobs.com but through a WordPress site. Essentially I would be able to search for both search terms and location simultaneously. The ...
1
vote
1answer
153 views

How to store custom user data on the database?

I'm developing a WP multi-site network which have a goal of 10,000 sub blogs. The site needs to store custom data related to the user. There are additional 20 fields of data for each user. What is the ...
0
votes
1answer
48 views

What is the purpose of storing `siteurl` in database?

Why does WordPress store 'siteurl' and 'home' in the database? It's driving me crazy because I develop locally, deploy to a staging site, AND to a production site, so that's two-three times I have ...
1
vote
1answer
56 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 ...
3
votes
3answers
93 views

Uploading/Deploying a Multi Site Install

So I was looking to create a multi site for a clients since the goal is to have the same branded theme on several sub domains to deal with different countries (e.g. mysite.com, usa.mysite.com, ...
0
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0answers
58 views

How to select from a WP table every 10s in a class (OOP)?

I'm trying to select records every ten 10 seconds from columns message and messagetwo from my WordPress table wp_userlogin, but the code is not being executed. I'm calling wp_schedule_event when my ...
1
vote
0answers
23 views

Removing Mutlisite lines stop DB connection

I'm trying to revert my mutlisite to a single site and following a guide it recommends removing the following /*define( 'MULTISITE', true );*/ define( 'MULTISITE', false ); define( ...
0
votes
0answers
127 views

A plugin is giving me “You do not have sufficient permissions to access this page.” error

I noticed this morning that I was logged off from my site. Whenever I tried to access /wp-admin it gave me a "You do not have sufficient permissions to access this page." error. After an hour of ...
1
vote
1answer
46 views

Access Wordpress database outside of Wordpress

MAIN QUESTION: I am writing a wp plugin. Within it, I have a page located here: http://example.com/wordpress/wp-content/plugins/myplugin/page.php How do I access WP database from this page? Is ...
2
votes
1answer
161 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 ...
1
vote
1answer
252 views

Hello dolly type plugin that allows people to add their own

I am making a plugin that shows a random joke on a custom 404 page via shortcode and it is basically near enough the same as the default hello dolly plugin, where the jokes are hardcoded into the ...
0
votes
0answers
24 views

Save voting stats with Posts 2 Posts

I am working on a website where I make connections from posts to posts with the Wordpress Posts 2 Posts plugin. Now I want my website users can vote whether they think the 2 connected posts are a good ...
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votes
1answer
95 views

Remote database -> massive response time increase?

I have nginx web server running newest WordPress and DB server running MySQL 5.6 There is around 90-100ms latency(round-trip delay) between those 2 servers. The problem is that It takes about 5000 ...
0
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0answers
39 views

Mysterious template change after database import/export

When I switch databases from my local environment to the host, some of the pages inexplicably change templates. E.g. there is a custom template "Home" and when I switch the db's it ends up with the ...
1
vote
1answer
209 views

How to create custom tables in WordPress using my own plugin?

I am new in WordPress plugin development. This is my core PHP and HTML code create-table.html <form method="post" action="function.php"> <input type="text" name="table_name"> ...
1
vote
2answers
46 views

How should I store a log for my plugin

I have a plugin that sends data to a server as part of a transition_post_status action. The server sends a response each time. I want to keep a log of these responses (permanently) that I can display ...