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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273 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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38 views

Get adjacent post data, ordering by custom field values (by Wp-query?)

I want to build a custom version of the adjacent-function of wordpress post. I have two custom field values for each post, my layout is the following: metafield1 value 1 & metafield2 value 1 | ...
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637 views

SQL Error wp_commentmeta - incorrect table definition

I'm trying to import a database and wonder how I can stop getting the following error? "#1075 - Incorrect table definition; there can be only one auto column and it must be defined as a key " ...
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25 views

Problems with database query where two metavalue-key pairs meet condition

I've been trying to put together a database query where the different meta_values of two different meta_keys match the query. One example would be: delivery_date is '2015/06/11' AND supplier is ...
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1answer
171 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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43 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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1answer
38 views

wpdb->get_var always returning 0

I am trying to run this statement: global $wpdb; $amt = $wpdb->get_var($wpdb->prepare("SELECT SUM(amount) as amt FROM wp_pay_table WHERE postid = %i", $pid)); ...but $amt always comes out as ...
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61 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, ...
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1answer
88 views

Auto-update tables from database

On my WordPress homepage I would like to have a table that can auto-update based on database changes at a given time period. I am trying to find the best solution to this problem, weather I code it ...
2
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1answer
4k views

SELECT * FROM $wpdb->posts WHERE ID > 160

I would like to retrieve all posts and relative tag with ID greater than 160. I tried: '$args=array( 'post_type' => 'post', 'post_status' => 'publish', 'posts_per_page' => 5, 'orderby'=> ...
6
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2answers
225 views

Whats the difference between post_limits and pre_get_posts?

Because of the lack of documentation about post_limits, its hard to learn more about this function and when to use it. Never used it before or seen it used so maybe its not to be used? function ...
6
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354 views

Optimize Wordpress Query that take 5 seconds to execute

I have a large wordpress database: rows in key tables: 730K wp_posts 404K wp_terms 752K wp_term_relationships 27K wp_term_taxonomy 1.8 Million wp_postmeta The issue is that I have a query ...
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243 views

phpmyadmin sql error when importing database

i get this error when i try to import my wordpress database from wampserver "localhost" to my live site on the internet. MySQL said: Documentation 1064 - You have an error in your SQL syntax; check ...
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1answer
49 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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52 views

Function is creating too many queries

I have code that displays a list of categories and orders them by the number of ACTIVE posts in the category. This is determined by comparing the custom field of due date against the current date. If ...
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1answer
359 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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29 views

How to optimize get post query

I have a dynamic Wordpress site with large number of posts (almost 2 millions), and need to optimize custom archive search query. This is what I'm using now and it takes ~0,5s (standard query_posts() ...
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1answer
50 views

Why my query does not run with prepare

Hi Below is my query and it works with prepare keyword on the localhost but whenever I use prepare keyword with my queries on live server the data does not show up and as soon I remove prepare from ...
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1answer
89 views

How to filter sql only for a specific post type

I have been trying to join a custom table with a regular wordpress query, but only under a specific condition (a specific post type). I have a single-event.php template that runs the main query, and ...
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91 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
72 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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2answers
1k 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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1answer
6k 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
65 views

Clean up very big and very dirty database

I'm trying to clean up a database in order to move a website from a server to another. Database is more than 1gb, mostly posts revisions and spam comments. Is it safe for instance to do something ...
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136 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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172 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
140 views

Are database queries created using WordPress filters protected from SQL injection?

I'm using the WordPress 'posts_where' filter (https://codex.wordpress.org/Plugin_API/Filter_Reference/posts_where) to alter my queries as below: function filter_my_search($where=''){ ...
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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
117 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
58 views

WPDB SQL Ignore `post_status` Parameter

I use this SQL statement: SELECT * FROM wp_posts LEFT JOIN wp_term_relationships ON ( wp_posts.ID = wp_term_relationships.object_id ) LEFT JOIN wp_term_taxonomy ON ( ...
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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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221 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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323 views

Include data from custom table in WP_Query

I'm building an Estate Agent website. They have a system where they add their available properties and sends them all to the main property portals. As part of this, the system also sends all the ...
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1answer
138 views

If meta_key exists then don't select this post?

I'm trying to select all posts EXCEPT ones with a meta_key somekey. SELECT * FROM wp_posts JOIN wp_postmeta ON wp_posts.ID = wp_postmeta.post_id WHERE meta_key != 'somekey' But this is still ...
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2answers
199 views

Export / import Wordpress database

Is there a proper way of exporting and importing a big WordPress MySQL database to a new database? When I tried to do that in the standard way I run into 2 issues: All widgets disappeared and I had ...
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0answers
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
4k views

cleaning up safely wordpress wp_postmeta table

In a effort to facilitate maintenance of my site, optimise page loading , and also helping out db migration , i am trying to cleanup the wordpress database of my site. i ahve realised the wp-postmeta ...
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1answer
172 views

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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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 ...
0
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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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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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2answers
180 views

Complex WP SQL Query

I have tried the following SQL query without any success. Can anybody that have a better understanding of SQL help? Here is what I am trying to achieve: Get a list of all main events (ME) where the ...
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0answers
193 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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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 ...
0
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1answer
96 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 ...
0
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1answer
203 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 ...
2
votes
2answers
60 views

SQL to check how many sites a user is a member of

I have a multisite installation and I'm working on creating a reporting plugin. One of the things that I would like to do is show the number of sites a user is a member of. Right now, I'm using ...