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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100 views

Database Query not working

I've been following a tutorial by Steve Marks which goes throught adding information from posts to a new Database Table as well as the usual postmeta one. However no matter what I try, It will not ...
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29 views

Nothing wrong with SQL but still getting an error

I'm developing a plugin and I need to perform a SQL query with GET parameter. The code looks like this: if (!empty($_GET['editDoc'])) { global $wpdb; $id = $_GET['editDoc']; $table_name ...
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1answer
99 views

Run an update query in a function

I need to run the below in a function, it updates my database if certain conditions are met. I can't get it to work and I can only assume its because of the "SET @newnum" at the beginning. I've echo'...
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92 views

External SQL Database (Login Details) to update wp_users with new users

I have an external database which currently has a Username and Password field, which are plain text (password field not using any hashing). Is it possible for when I update this database that it will ...
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1answer
54 views

Conditional statement within WP SQL query

I have a form on a Wordpress page posting data to a table called 'members'. I have a second page displaying this data in a table. All is working well. The data is being displayed using: $myrows = $...
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2answers
79 views

This wp_query will not return any posts and only seems to work with post_status inherit?

I'm having difficulty returning a list of posts. This file is contained in a plugin folder (ultimately I want to have a cron job just run the script here to delete posts with invalid urls in the given ...
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126 views

pre_get_posts with custom SQL

I have a scenario where there is a custom form on an archive page. I want to use pre_get_posts to modify what is displayed on the archive page, and show the paginated results. The issue is I first ...
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40 views

Insert the same row 3 times

I am trying to developing a plugin for body mass index. I am trying to enter a row while creating table in register_activation_hook. When activation is finished i see 3 same rows in database. Here is ...
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33 views

How do I update post based on meta_key in another table?

So I have a function that is called by the wp_schedule_event (cron job) once daily. The goal of the function is to set all posts with a field wpcf-engine-days-to-go that has a value of "0" to a draft. ...
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1answer
24 views

Sql query returns empty. But not

my sql query returns empty $sql = $wpdb->get_results('SELECT * from table1 WHERE id = ' .$bransId); And im sure that $bransId is not empty. ( i checked)
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45 views

MySQL swap one table for another?

So I have a situation with this WordPress site I'm doing where I have to swap the positions of my featured images. I have two per post thanks to the Multiple Post Thumbnails plugin, but now whatever ...
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65 views

Show different content in the same URL

I have a blog powered by Wordpress. I need to show different contents in a same webpage according to the date. Say I have few posts with the url format: domain.com/post-01022015, domain.com/post-...
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1answer
50 views

Export Posts with specific custom fields by sql

My development site has posts with custom fields. Meanwhile my live site has more posts added while I'm working on my development site. Now I want to export posts with specific custom fields from live ...
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99 views

Change permalink , keeping old structure with date

Currently on our website we have the /date/postname permalink structure with quite a number of posts. For SEO purposes we want to change it to /postname permalink structure but we want to keep the ...
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1answer
104 views

How to set up prepared query using IN statement

I am a tad bit confused on how I would set up a SQL IN statement using a prepared query. Here is the code: $in = implode(',', array_fill(0, count($product_ids), '%d')); $results = $this->...
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1answer
146 views

Wordpress Custom Search By Alphabet and order by asc and sesc

I am new to word-press but i can easily work on core php and other mvc framework,acutally i want to add custom search for only subcategory post. The search will with below Search post By old to new ...
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198 views

How can I avoid duplicate primary keys in SQL import?

I have two sites I'm trying to merge. Site 1 has 1500 products in a custom post type, with associated meta and an attached featured image. Site 2 has 250 products in the exact same custom post type, ...
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1answer
38 views

Can not manually create a database ( db, user, pass ) for a plugin

So I was working on a plugin and I needed to cache some third party API access, and I needed to manually create a database upon plugin activation or upgrade. The caching stuff needs a database host ( ...
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1answer
130 views

Custom database query to validate data

I cant find any syntax for custom queries, use of $wpdb is new to me so can anyone help me solving this?? if(isset($_POST['submit'])) { global $wpdb; $tablename='wp_form_subscribe'; $myrows = $...
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39 views

Insert query not working for non-logged in user

I am trying to create a function for count post views. for this i have added code in my theme function file. Here is my code: function processpost_views( ){ global $user_ID, $post; ...
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1answer
78 views

Sum of Custom Meta written by Authour

I have a custom meta call post_views_count that collects the views of all posts... I want to create a query that pulls in all posts by a certain author, gathers the custom meta for post views and ...
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261 views

Link wordpress with a SQl + MongoDB + .NET

This may sound a bit crazy, I have a website using different DB, One SQl; one MongoDB, and a .net API I would really really love to be able to move this to a wordpress installation ( or Magento). ...
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33 views

Adding Database Tables for Reviews functionality that incorporates Tags/Categories

I'm wanting to build onto to the Wordpress database in order to give myself the functionality to create/retrieve customer reviews based upon tags/categories. More specifically, the reviews are not ...
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1answer
154 views

Alter the main search query to search posts by coauthor user name

I am using the Coauthors plugin: https://wordpress.org/plugins/co-authors-plus/ I have written some SQL in order to grab posts from authors whose display name matches the search query when searching ...
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1answer
17 views

Creates only one table and not the other

I have this function to create two tables when I activate the plugin. Only the wp_wpt_stats table are being created and not the wp_wpt_list. I know the dbdelta is picky, but I can't see what I'm doing ...
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119 views

Add a custom field via PhpMyAdmin to all posts and pages avoiding duplicates

I have about 200 pages and 400 posts on my WP site. And I need to add one custom field (sidebar_config: left-sidebar) to all pages and posts. I have this for SQL query in PhpMyAdmin: INSERT INTO ...
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1answer
72 views

SQL error on restoring database

I am running a database backup -- a 7 MB SQL -- using the phpMyAdmin Import function -- and getting an error, whose text doesn't really show where the problem is. MySQL said: Documentation #1064 - ...
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1answer
105 views

Create Array from data in the OPTIONS table

Good Day everyone, I'm trying to create an array from data in the Options table of wordpress. My data all start the same way plugin_order_ and then name of the field information. Is there a way to ...
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1answer
237 views

Protect custom form from SQL injection

I'm trying to understand how to protect my custom form from possible attacks. I send a data via a form, let's say userdata, then I read it: $userdata = $_POST['userdata'] I put it into an array to ...
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81 views

Help with SQL query, how to add taxonomie terms with value stored in options?

i need your help in making SQL What i have: custom post type ( company ) taxonomie ( category ) applyed to cpt ( and has ct section select field ) custom taxonomie ( section ) applyed to nothing ...
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2answers
67 views

Better way to migrate to server?

Migrating between local and server with Wordpress (SQL) is a bit time consuming, and I'm wondering if there is a better way to do it. With Drupal, there is a module called BackUp&Migrate, which ...
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14 views

What are the steps to migrating my blog to a new host?

I recently bought hosting service with Namecheap. I backed up my db from my previous host and now want to migrate everything. I was restoring the db with phpMyAdmin, uploading the sql file, but this ...
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53 views

How to merge 2 WordPress sites?

I have 2 WordPress sites, A and B. Each of them has users and posts. Now, I want to merge these sites. Points to be noted- A has 1000 users and 2000 posts. B has 500 users and 3000 posts. There are ...
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41 views

Creating a “forum” - showing last post or last commented post

thanks for reading! Im creating a forum just using categories and posts. I'd like (as most forums do) to show the last commented post or the last created post (which ever is newer) next to the ...
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2answers
7k views

Insert Query not working in the form

Many people has asked the same question, I have read those things and mine is different, I am trying to insert some values inside the database from the form but it's not getting inserted I have a ...
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0answers
1k views

Custom SQL Query: Get all posts with category id and a concated list of tags on each post

I am trying to select all posts from a WordPress database, include few fields on each post, but most importantly I would like to also select the "category id" or each post, and ALL the tags that ...
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1answer
41 views

Debugging WordPress

Looking for advice on debugging sql queries. I find that plugins and themes are causing heavy queries and slowing performance. Any easy ways for doing this? Tools? Shortcuts? Thanks! Daniel
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1answer
90 views

Query to get data of a post, if in category?

You would think you could use $query = new WP_Query(array( 'p' => $idofpost, 'cat' => $numbers )); to return the post if it is a certain category (or categories, or -number to exclude ...
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74 views

Unable to replace text string across site

There is a text string (a little over 1000 characters with spaces) that needs to be replaced across the entire of my website. The text recurs over 300 times on my site, is identical, and was been ...
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349 views

SQL command to export post_content from wp_posts using phpMyAdmin

I'm trying to select all the data from within the post_content column in the wp_posts table in WordPress so I can export/import it into a new database. Somehow this content didn't properly make it ...
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0answers
82 views

WP Query to order posts by multiple meta fields

This question might have an answer already in the forums, however I still wanted to ask it as this is a different more complicated version of the problem. The story: We have 2 meta fields for posts:...
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2answers
106 views

How to display a 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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1answer
36 views

SQL - JOIN last child

I'm trying to do some custom filtering. I need to JOIN latest child post_author. This doesn't seem to work well, it keeps returning wrong childs: SELECT * FROM wp_posts LEFT JOIN ( SELECT ...
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329 views

Get post ID and custom taxonomy of posts that belongs to certain category, efficient by SQL?

I have a large Wordpress site with almost 200 000 "posts" (everyday is aded more than 2000 new) and sppecific homepage with about 30 loops to get last 5 posts from every category (sngle loop = single ...
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1answer
119 views

Custom Fields Bulk Edit

I have a question. I am running detube theme which has a custom field named "dp_video_code" in which i put my video embeded code. Recently the embeded code has change and I need to modify the video ...
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1answer
64 views

How to order posts by the user_login that corresponds to a meta_value (which is a user id)?

I'm trying to create sortable column headers for a CPT list, but I'm stuck on one piece. When clicking on an "Assignee" column head, I want the list to display alphabetically by the login name of the ...
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61 views

Exclude posts from certain meta_key

I have query to retrieve all posts, but how can I check the condition for post meta_key ="develop" and meta_value='anything' SELECT DISTINCT date(p.post_date) as post_date FROM $wpdb->posts p ...
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1answer
370 views

Can't create posts with WP DB Abstraction Plugin

I have a WordPress site moved to Azure web site + Azure SQL using database abstraction plugin After that migration I'm not able to create new posts. When I click Save Draft it redirects me to the ...
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1answer
188 views

how to insert missing tags into the posts through mySQL?

I am looking for a SQL query to insert a tag to multiple posts from a specific category. A pseudo query looks something like this: INSERT INTO POSTS VALUES TAG = "tagName" where Posts in_category("...
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2answers
172 views

How to add chunk of php, html, and sql code to variable an append to $content

I am creating a plugin (my first) which allows the site admin to display the most used post tags over the last X number of days. This plugin is an evolution of the WP Development question here - ...