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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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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16 views

Editing a Wordpress SQL table in Phpmyadmin, however its not saving

I'm trying to edit the wp_options table in Phpmyadmin, I can edit it fine using inline editing or the edit feature. Each time I log into phpmyadmin I can see the value has changed to the one I edited. ...
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89 views

I want to query for the 'post' and 'attachment' in wordpress using SQL query

How do I write a SQL query which will allow me to query for the 'post' and 'attachment' at the same time in MySQL? I am trying to get this information from the wordpress 'Posts' table. Please see my ...
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1answer
72 views

A faster way to query custom post types with multiple conditions?

I am using a lot of custom post types (CPTs) with custom meta and so far I have been using queries like the below, to get for example all events in CountryX that happened in 2014: <?php global ...
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2answers
29 views

get_results() query not working only when entering strings

I'm trying to send a query to a database, WHERE works fine if I'm querying for a number but not for a string. Example, if I try: $all_pages = $wpdb->get_results('SELECT post_title, guid FROM ...
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31 views

Find by post_meta, then sort by post_meta, then sort by date (wp_posts)

I have a custom meta field that I find a list of posts from. This custom meta is a numerical attribute (1-10) and I need to sort by 1-10, but I also need to sort by post date. So if two items are ...
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71 views

SQL / Select users depending on meta value - meta keys, sorted by a meta value - meta key not in the select

I'm trying to select users with one of several meta keys corresponding to a meta value, and to sort the results by a meta value associated to a meta key which is not in the select. In other words, I ...
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357 views

Inserting Post Meta From SQL

I'm trying to get post meta to be updated/replaced with $wpdb and running into issues. I have working SQL, but cannot get it work when coding it up for my WP plugin. Extra note: The post meta being ...
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58 views

Custom Query for wp_posts using wp_postmeta

In postmeta lets say meta_key = 'count' and meta_value = '5' meta_key = 'count' and meta_value = '6' meta_key = 'count' and meta_value = '7' now i want to get all post WHERE meta_key = 'count' ...
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104 views

Exporting wp_posts and wp_postmeta as a single table entry per post

I’m trying to export all posts of a certain type (to run a report), and all the associated post meta data. I want a single entry for each post, with all associated meta data, e.g. “Middle Name” as a ...
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38 views

Custom post order when using OR relation

I have a custom post type named Faculty. They can be any of the type MCT, MLT, or MT. MCT -> A, B MLT -> C, E MT -> C, D I want to list all MLT and MT faculty on a page in order by last ...
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47 views

wpdb->update update the entire table instead of one row

I'm trying to use the update function of wpdb, like this: $wpdb->update( 'protocol_data_list', array( 'used' => 1 ), array( 'cod_protocollo' => $_POST['numero_protocollo'] ), ...
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1answer
59 views

How can I combine one field using wpdb and group by?

I have the following code in my functions.php where I'm trying to group the quantity sold from woocommerce orders into the variation selected on the product. My query is: $uvuorderposts = ...
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1answer
105 views

Get all child comments ids from parent comment id

I want to get all child comments ids from parent comment id. Do i have to write custom sql or can i use get_comments() to achieve the following output. eg 1 I want to get 2,3,4,5,6,7,8 ids from ...
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1answer
107 views

Order a custom post type admin screen by a second custom post type title

I have two custom post types: Products and Brands. The Product slug is 'eproduct'. The Brand slug is 'brand-listing'. On the Product admin page, I have added a custom column that lists the Brand ...
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1answer
112 views

What does the $posts_join filter join to?

I am trying to use the posts_join filter to join 2 tables: wp_postmeta to wp_posts. I am a novice at SQL, so I'm not sure if I am confused because I don't understand how WordPress is implementing ...
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52 views

Render a Wordpress menu from outside Wordpress?

I would like to render a menu in another system outside wordpress using SQL to fetch the menu contents and some logic to build the actual menu. I turned on mysql logging to see what wordpress was ...
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16 views

SQL query to load a menu and contents [duplicate]

I would like to render a menu in another system outside wordpress using SQL to fetch the menu contents. I'm able to find a menu item based on the slug: SELECT * FROM `wp_terms` wt WHERE wt.slug = ...
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1answer
120 views

SQL Statement generated by WP_Query not producing expected results

I am trying to alter WP_Query on the pre_get_posts action hook, for filtering the posts returned, depending on the built-in category and post_tag taxonomies. I would like that the only posts returned ...
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1answer
219 views

Add custom argument to WP_Query and modify SQL where clause

I'd like to be able to hook into WP_Query in such a way that I can add a custom argument to my WP_Query like: $q = new WP_Query([ 'my_cool_arg' => [ 1, 2, 3 ] ]); and then access this and ...
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40 views

Delete duplicate media in SQL only

I have uninstalled WPML and deleted all WPML tables in the DB. Now, I have duplicate media (one per old languages) in my SQL only (not in the FTP). I would like to delete these duplicates and only ...
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2answers
48 views

Database SQL Error, Should Work

I'm trying to get my posts to order by radius, and so far i'm struggling, I've been using the following tut by Steve MArks, http://biostall.com/performing-a-radial-search-with-wp_query-in-wordpress ...
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1answer
84 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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28 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
78 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 ...
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84 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
50 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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1answer
153 views

WP User Query get all authors with last name starting with specific letter

I need to program a page to which I pass an initial through the url and it will show all author users whose last name starts with that letter. I would like to do this via WP User Query so that I can ...
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2answers
72 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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2answers
126 views

Getting users who registered 360 days from current date

As per the title, what I want to do is run a custom query that (using WP-Cron) will run once a day to check for users who registered exactly 360 days before the current date (don't need time, just ...
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117 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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39 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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32 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
23 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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53 views

Adding left join to sql query

im trying to get some extra data from another table with left join (or may be another join, because one data from one table ). But i couldn't success. Because my query is little bit different for me, ...
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1answer
184 views

Convert a WP Query into a simpler SQL query to fetch only COUNT of posts

I have this WP Query running for each row in my admin screen for a certain post type: $entry_args = array( 'meta_key' => 'wp_comp_entry_competition-id', ...
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1answer
198 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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40 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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1answer
27 views

DB_HOST - is LOCALHOST speedy than domain name? [closed]

I am interested, on some hosting(although they are paid hostings, and even the domain.com DNS nameservers are pointed to that hosting), you have to insert: mysql.domain.com (instead of: localhost) , ...
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1answer
671 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
174 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
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 ...
0
votes
1answer
39 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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64 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 ...
6
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2answers
237 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 ...
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250 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 ...
6
votes
2answers
373 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 ...