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

learn more… | top users | synonyms (1)

0
votes
1answer
7 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 ...
0
votes
0answers
30 views

Can't Post to my Wordpress Anymore!

I'm at my rope's end with this whole thing and have tried everything I can to solve it. I have a WordPress site with a SQL database on Azure, but recently all of the users associated with the site ...
0
votes
0answers
3 views

Getting duplicate rows in database through custom hardcoded signup page using Cimy User Extra Fields for autochimp sync

I have a custom coded sign up page where users fill in additional fields beyond the standard username and email. My end goal is to have these additional fields sync with my mailchimp mailing list. I ...
0
votes
0answers
12 views

Backend menu that shows pages with specific page template and their child pages

I've set up a menu in the backend that shows a list of pages that have a specific page template assigned to them. I've managed to do this using the code below, but I also want to display the child ...
0
votes
1answer
30 views

SQL - Pull products of particular category from a remote WordPress store db

I connected to the db and successfully pulled products data. Now I want to to display products from specific category. The store is using woocommerce. The landing page is in different location so I ...
1
vote
2answers
48 views

Query that loads a custom type AND posts whose ids are not inside those custom types custom fields

On my news website I have posts and another custom type called "aggregato". This type has 10 custom fields, "link01", "link02"... "link10". Both posts and aggregato has a meta key, called "home", ...
0
votes
0answers
34 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 ...
0
votes
0answers
12 views

How do I create a system to track logged in users' views each time an individual CPT post is viewed?

I have a custom post type created in a plugin I'm working on, using Piklist (as I have a lot of other things I can use it for in this project, in general). So my first step would be to create a table ...
0
votes
2answers
33 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 - ...
0
votes
1answer
22 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!
1
vote
1answer
38 views

How to update records using $wpdb?

I am migrating non-wp database to Wordpress (for the first time in my life, and hopefully the last). As both new and old websites are multilingual, one of the tasks for me is to connect the articles ...
0
votes
1answer
30 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 ...
0
votes
2answers
43 views

mySQL queries are executed twice on wordpress website

I'm sorry for my english. I'm trying to add some functionalities at my Wordpress website and to do this i have added a function in my function.php theme. The idea is to save in a custom table some ...
0
votes
1answer
23 views

How in insert image path in Wordpress database that will display product image in wp admin not on front end?

$insert = $wpdb->insert( $prefix."posts", array("post_title" => $posTitle,"post_content" => $postContent,"post_status" => "publish","post_type" =>"product")); // select products ID ...
0
votes
1answer
1k views

Using AJAX to run sql statement and populate dropdown

I am trying to create a search where the user select two different bit of data from databases and it them prints some results that meet requirements. I know I need to use ajax or something similar but ...
0
votes
1answer
26 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 ...
0
votes
1answer
287 views

Bulk move (or copy) from a custom field to the post content?

I need to move (or copy) the contents of a custom field into the main post body, replacing any existing content. I need to do this for a few hundred posts...Is there a quick way of doing this? I can ...
1
vote
1answer
53 views

How to Mass Delete Images from Media Library

I need your help. I am trying to mass delete attachments from a custom post type ('book') using a sql query. I found this snippet on the wordpress form: Wordpress.org I tested it on my local ...
0
votes
0answers
26 views

How to get list of posts with specific tag in separate category

I have a custom search function in my functions.php. And I need to change it, so that it will search also by tags in a specific post category (with ID 6 for example). For example someone search ...
0
votes
1answer
22 views

SQL - Remove All The Users and Create A New User With Admin Role Via PhpMyAdmin

It is very easy to remove all the users and add a new user with administrative role via wp admin panel. But the requirement is to achieve this through SQL. I can trunc wp_users and wp_usermeta table ...
0
votes
1answer
29 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 ...
5
votes
2answers
3k views

How to correctly call custom field dates into a posts_where filter using SQL statements

Currently I have the loop listing posts between two dates using the posts_where filter: function filter_where( $where = '' ) { $where .= " AND post_date >= '2000-01-01' AND post_date <= ...
0
votes
0answers
41 views

WordPress it's cleaning a custom query_var to avoid sql injections?

I am using get_query_var function to get a custom query_var. This query_var will be used later in to query arguments to retrieve posts with: $the_query = new WP_Query( $args ); . My question is, ...
0
votes
1answer
23 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. ...
1
vote
2answers
200 views

WPDB Insert or if exists Update

I'm not crazy familiar with WPDB or SQL in general but I have a custom table for my project and I'm trying to assign some metadata to it. What I'd "like" to happen is if a row exists, update it and if ...
1
vote
2answers
43 views

Query that joins the postmeta table twice

I believe what I'm trying to do is too complex for the standard meta_query parameter in get_posts, so I'm trying to use a custom SQL query to do the following: I have a game custom post that has ...
22
votes
5answers
41k views

How to display sql query that ran in query?

I have come across a function before that displayed the exact SQL code that was used in a loop for example, but can't remember. Can anybody tell me that function? Cheers
0
votes
0answers
47 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 ...
0
votes
1answer
44 views

phpMyAdmin displays error when importing database

I'm migrating a WordPress for a friend to a different server. I have already backed up all files and was given a copy of the database by the old server admin. The problem is that when I try and import ...
2
votes
2answers
214 views

Extending WP_Query — Optimise SQL query

I'm storing posts, a user follows in a custom table that has the columns id, post_id and user_id. To fetch posts that a user follows I have extended the WP_Query as follows: class ...
0
votes
1answer
36 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 ...
0
votes
1answer
36 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 ...
3
votes
3answers
2k views

SELECT max(meta_value) FROM wp_postmeta WHERE meta_key='price'… stops working when value is over 999

Overview: I am not trying to return a post. I simply want the single highest value for a particular meta_value across all posts... just the value itself. Details: I have added a custom meta_key ...
0
votes
1answer
162 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']; ...
0
votes
1answer
24 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 ...
1
vote
1answer
24 views

How to find meta entries with their posts missing via SQL?

I'm looking to write an SQL query to do the following: Select all postmeta rows where the meta_value = a post id that does not exist. For example, postmeta meta_value may equal 235. Usually this ...
0
votes
1answer
45 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
0answers
30 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 | ...
0
votes
0answers
85 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
0answers
78 views

Delete duplicate posts where meta_key is the same

I have imported some posts and this has caused some to be duplicated Each post (of a custom post type "property") should have a unique meta_key "import__id" value I need to delete all duplicate ...
0
votes
1answer
82 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' ")); ...
1
vote
4answers
283 views

Retrieving a Value from a wp-database

why my sql statement is not returning any value.. is this wrong? <?php global $wpdb; $result = $wpdb->get_results($wpdb->prepare("SELECT * FROM ...
0
votes
0answers
71 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 ...
0
votes
1answer
123 views

SQL to update custom post taxonomies

I have a custom post "review". It uses the same categories and tags from default posts, so they share "category" and "tag" taxonomies. But later I changed the "review" register to have their own ...
0
votes
1answer
93 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 ...
0
votes
1answer
43 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 = ...
0
votes
1answer
46 views

Do I need to deal with WordPress SQL Injection

Do I need to prepare strings against MySQL Injection when inserting into the database using a WordPress comments function such as this: $data = array( 'comment_post_ID' => $post_id, ...
1
vote
1answer
310 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 ...
0
votes
1answer
43 views

SELECT from wp_users, get Displayname too

SELECT post_author, count(ID) as amount FROM dbold_posts WHERE WEEKOFYEAR( post_date ) = WEEKOFYEAR( NOW() ) AND post_status = 'publish' AND post_type = 'post' GROUP BY post_author ...
1
vote
1answer
67 views

Query Wordpress database by registered date and role

I would like to get the display name and email address for all users who have registered to my multisite today with the role of subscriber. It needs to be an SQL query as it's used outside of the WP ...