SQL (Structured Query Language) is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS).

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problem with sql query in wordpress plugin

I've got this and I dont know why its not working. It's not returning the ID from the first query so I can use it in the 2nd query. Nevermind the REFERER, its an external link it will refer from. ...
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90 views

How change user type from contributor to author

I have 2058 users who are contributors. I need to convert their role to author. How can do it by SQL?
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82 views

Pull data and display as rows and columns

I am a noob when it comes to pulling data from tables and fields of a WP database so I'll explain it as best as I can without it running into a thesis. I have a table called WP_answer. In that table ...
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1answer
257 views

Add custom fields to search

I want to add a custom fields ("introduction" and "ensavoirplus") to search of Wordpress, but the SQL code is not exact. I don't understand if i do a mistake or if WP don't can do this. But my attempt ...
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69 views

delete duplicate comments

I found a solution for this a long time ago. Here is the code: <?php require_once('wp-config.php'); global $wpdb, $comment_content, $comments,$comment_ID; # First select all comments $query = ...
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198 views

Remove posts inside pre_get_posts using a custom query

I need to remove posts from admin listing, if their last child post author is different than the parent post author. I was hoping to use pre_get_posts, but can't figure out how to do this. Here's my ...
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1k views

$wpdb->get_results(…) returns empty array despite correct query

As title implies, I cannot seem to get $wpdb->get_results to give results. Running the "raw" query is successful, but this seems to be failing for some strange unknown reason. global $wpdb; ...
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1k views

$wpdb->prepare with ON DUPLICATE KEY UPDATE

I just took this code from $wpdb Codex page, and modified my existing Insert query: $table = $wpdb->prefix . 'user_req'; $post_id = explode('_', $_POST['post_id']); $user_id = $_POST['user_id']; ...
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229 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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66 views

Genesis framework comments broken?

I got a really weird problem. Im using a Child theme which using the Genesis framework. I was using Akismet plugin to stop the spammers and it was workin just fine. Recently i just made a comment by ...
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163 views

How to import a Typo3 database to a wordpress site?

I have a SQL database export from a Typo3 site. Does anyone know or have any experience of dealing with these cases?
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761 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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278 views

Attempt to improve WP search, can someone check my SQL query?

I'm stumped. I've done a bunch of work to filter what posts get pulled in a WP search and then even more work sorting those after they're pulled from the DB. My main problem now is getting results ...
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333 views

find pods item where relationship to other pod is not set

I need to fix the effect of an error that left empty a relationship field that should have been autofilled. To fix this I need to find all pods item that has the relationship not set, but I don't ...
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4answers
502 views

wordpress ajax relationship query

Using the relationship field from Advanced Custom Fields I link artists to events. Both these artist and events are custom post types. For each event, the post IDs of the related artists are stored in ...
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0answers
577 views

Get posts under a category with SQL

How can I retrieve posts under a category with plain SQL with out using WordPress native api's like get_pages? My Wordpress table wp_terms contains a term named Restaurants. I want to list the post ...
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1answer
177 views

wpdb query problem to access previous 3 days posts

I am trying to get all published posts titles by author id 2 most recent by post date for the last days. Here is my query: "SELECT post_title FROM $wpdb->posts WHERE post_status = 'publish' AND ...
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98 views

Meta Query And/Or

My question is very similar to Meta Query with AND & OR? . This question was answered in 2011 by @Otto. With the exception that my logic is different. I want to query, for example, posts with ...
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1answer
70 views

Wordpress Custom post query sorting does not work

I created a custom WP query to collect products that have 3 different taxonomy values in them and sorted them by price using the following: $my_products = new WP_Query( array( ...
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212 views

Retrieve/get current image from Nextgen gallery db [closed]

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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407 views

Why is my 'list_terms_exclusions' filter function timing out? [closed]

Why is my function timing out? When the issue was first noticed I added wp_defer_term_counting('true') to delay that process but to no avail. /* Filter category from get_categories and ...
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1answer
56 views

Is there a WP function to get taxonomy name from taxonomy_term_id?

I need to get the taxonomy name from the taxonomy_term_id. I am currently using the following to get it: global $wpdb; $term_taxonomy_table = $wpdb->prefix . "term_taxonomy"; $taxonomy = ...
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2answers
3k views

how to use $wpdb->prepare to update a custom table

As a noob I dont understand a lot of SQL injections but I need to be save so I have read that I have to use wpdb->prepare to make sure the data is stored correct. At this moment I use the ...
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2answers
926 views

Up/Down voting system for Wordpress

Looking in all posts with keywords "voting system, upvote, downvote", I can't find a satisfying solution for this issue, except accepting one of the available plugins, spend a lot of time undersanding ...
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2answers
12k 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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2answers
354 views

Moving an entire wordpress site from one domain to a new domain and database

I have done all the steps requiered to import the dump.sql file to new database, and copiey the entire content from the old domain over to the new one. When i login to mydomain/wp-admin, i'm ...
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3answers
928 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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3answers
857 views

How do I move a Wordpress site to another server?

i'm using this sql.. but it does not work UPDATE wp_options SET option_value = replace(option_value, 'http://old.com, 'http://new.com') WHERE option_name = 'home' OR option_name = 'siteurl'; UPDATE ...
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3answers
6k views

Authors list Pagination : result set from $wpdb->get_results()

Using this solution : Paginate result set from $wpdb->get_results() I did make my code for Authors list page template as follow: <div> <table id="mytable"><tbody> <?php // ...
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1answer
240 views

Total number of posts in last year

How can i echo total number of posts in last year ? I‚m writing article with stats, and want to get number of posts i published last year. There is something here, but not for last year ...
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1answer
114 views

Inner Join user tables to select users with roles

I am trying to view a list of users (who are music artists) with the following function. function show_authors($ltr) { global $wpdb; $querystr = "SELECT $wpdb->users.* FROM ...
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2answers
755 views

How to query the WordPress database to get posts of a certain custom post type, taxonomy and field?

I have a custom post type named store and I have a custom taxonomy city, I also have a meta box with a field that is stored with update_post_meta( $post_id, 'store_postal_code', $postal_code ); it ...
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2answers
3k views

How to display posts of specific category using a custom Query in WordPress?

Hi I want to display a specific category from a custom query in WordPress. My code works fine and it gets the latest 4 posts, but what I want now is to retrieve a specific category. My code is below ...
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82 views

Which is better and faster ? Wordpress Queries or SQL Query

Suppose I am developing a minimal theme, the the post page single.php displays only the post title, the excerpt and the content. So in general that would be <?php the_title(); ?> <?php ...
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2answers
620 views

WPDB SQL query with prepare() returning variable, not db value

I have been trying to get this to work for awhile now and I cannot seem to get any farther on my own. It seems to work fine as a normal SQL query but not within the WP framework using prepare(). ...
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1answer
231 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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2answers
320 views

Really simple query giving error in SQL syntax

I'm sure this is a simple oversight but I cannot seem to narrow it down: global $wpdb; $tablename = $wpdb->prefix . "icrm_folders"; $sql = $wpdb->prepare( "SELECT * FROM %s", $tablename ); ...
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1answer
102 views

List recent 25 blogs across the network

I need to list recent 25 blogs in the network with their title. How to edit this code ? $bcount = get_blog_count(); global $wpdb; $blogs = $wpdb->get_results($wpdb->prepare("SELECT * FROM ...
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1answer
2k views

Export SQL query based on post type

I'm looking to export only wp_posts where post_type = post. Is that possible?
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439 views

Speeding SQL queries for a large database?

I am using a WordPress plugin called feedwordpress in order to run a planet like website on wordpress (See it here). The plugin is great except for one thing - it hogs down my (VPS) server into ...
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3answers
348 views

Problems with moving my Wordpress site to another domain/server

I'm having problems moving a wordpress site from one domain to another. I've searched the site but couldn find a useful answer for my situation. Here's what i did: I made a backup of the website. ...
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1answer
29 views

Custom Query - Based on user input

I'm working on displaying suggestions to an input, assisting the user. I'm using the included jQuery suggest. That's loading - and through ajax I'm using a custom SQL query and can see it's ...
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1answer
141 views

Sort users by “birthday” using WP_User_Query

I have created user meta that holds user birthday (birthday). birthday is date field. Now i am trying to figure how to sort (get) all users that have birthday based on specific month. I have ...
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1answer
4k views

Add special meta box to custom post type

I have managed to add a meta box to my custom post type (see code below) Now I need to add another meta box. With this box I want to display / edit a value from another table called ...
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1answer
43 views

Front end access to a SQL data repository - recommended way?

Building a general data repository, not necessarily related to WordPress elements. What is the recommended way of doing it: Using custom post types? or Building new SQL tables? Please elaborate. ...
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1answer
143 views

List of ways to access WordPress database?

I'm trying to get a complete understanding of how WordPress works with databases. I've read the documentation but I'm getting confused by all the different approaches available. So far my ...
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1answer
56 views

Why this query is not showing any result on wordpresss home page?

I am learning wordpress database, And I have written this query for showing the data from the post table with id=2, but not showing anything. What is wrong with the following query? please help. ...
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1answer
840 views

Use wpdb->prepare for `order by` column name

In my current plugin, I am picking up the order by column as user input. So I thought of using wpdb->prepare to escape it. $wpdb->get_results($wpdb->prepare("Select id from $wpdb->posts ...
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1answer
788 views

Inserting rows into a custom table, when plugin is activated

Trying to create a plugin that creates a custom table & populates it with a row of data, once activated. The table is created OK, but the row of data is not added. Please can someone point out ...
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1answer
193 views

How to optimize multiple insert into wordpress database

I had main file with my plugin and the another file with sql command. In the second file I create two tables and write data to one of them. But I have problem with. In my private computer everything ...