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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90 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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18 views

How to Use WordPress SQL Database on Sub-domains or Directory

I have a domain website.com in English and want to translate a directory to Spanish website.com/es taking exact content from website.com Question: How can I use same database on this directory?
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1answer
71 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 = ...
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1answer
134 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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171 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
116 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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35 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
63 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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220 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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32 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
126 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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1answer
387 views

SQL query equivalent to WP User Query

I have the following WP user query code: //Get all users sorted by whatever $sorted_users = new WP_User_Query(array( 'orderby' => 'meta_value', 'meta_key' => 'satisfaction_rating', ...
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113 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
70 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
95 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
202 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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1answer
79 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
64 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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13 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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49 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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1answer
1k views

WPDB update row with != in where clause

I'm using wpdb to develop a plugin to add a custom form to wordpress. To update a row, I use an array and wpdb->update(). WP Class Reference says: My SQL code should be something like UPDATE ...
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1answer
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
6k 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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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
40 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
84 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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70 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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314 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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81 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 ...
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2answers
85 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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314 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
105 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
58 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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0answers
60 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
357 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
165 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 ...
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2answers
158 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 - ...
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1answer
260 views

WordPress SQL query to tag all posts containing a specific word on title

Is there a way to bulk tag all posts which have for instance "bottle" in their titles? Thanks!
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342 views

SQL query for converting post meta image url to featured image

WordPress guru, we have a question: We work on a website, which was not updated a while. Most of time it have wordpress 3.2 installed. We've updated it to the latest wordpress version, but ...
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1answer
70 views

See output of a sql query while plugin installation in wordpress

Doing wordpress plugin development, I am creating a table (while installing the plugin) with the following string: $sql = "CREATE TABLE (query skipped)..."; /*someting*/ For example: I have this ...
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1answer
97 views

Slow query when joining wp_posts with a lookup-table?

I'm developing a map-based website and need to get posts associated with a place. Each place has a post in wp_posts and the other associated posts (images of each place etc) is associated with the ...
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0answers
393 views

Would manually deleting the dumping data fix a “#1062 - Duplicate entry '1' for key 'PRIMARY'” phpMyAdmin error?

I'm new to PHP! I'm trying to import an SQL database file into myPhpAdmin for a WordPress I'm migrating, but I keep getting this error message: SQL query: `-- -- Dumping data for table ...
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1answer
145 views

Pre_Get_Posts order DESC not registering

I've created a filter function to filter a post type items by it's meta value _item_price. The problem is that it only works in Ascending Order and I'm not sure why. My pre_get_posts function looks ...
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1answer
93 views

Convert all dates in field to Unix time, except those already in Unix time

I have a meta field that is mixed with MM/dd/yy hh:mm dates and Unix timestamp dates. How do I convert all of the MM/dd/yy hh:mm dates in the db to Unix? I have only limited PHP and SQL knowledge so ...
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1answer
58 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 ...
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1answer
389 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 ...
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0answers
228 views

SQL query to remove first image in all posts

I've built a site up over a few years (3,500+ posts) where I've inserted images using the traditional method into the post content itself. I'm now moving to a different theme, and have made the first ...