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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2answers
79 views

What's wrong with my $wpdb prepare

I can't get my head around this. I get this error: Parse error: syntax error, unexpected '"' in 224. The line is this between foreach $html: $html = ''; foreach ( $recent_across_network as $post ...
0
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0answers
46 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 ...
0
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0answers
26 views

How To Structure A Wordpress Database Query?

I have an array containing the IDs of the rows I want to update: $matches = array('abc123', 'def456', 'ghi789'); Rows with those IDs must be updated so that their 'confirmed' value is changed from ...
0
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1answer
75 views

wpdb getting avatars and author url

Running an SQL query to pull authors by votes they've received on posts. @bonger helped me out on my first post and helped me get this working great, but I created this new question since it's a ...
0
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1answer
224 views

$wpdb select date range of posts

0 down vote favorite Using this SQL query to sort users by how many votes(meta key) their posts have received. <?php global $wpdb; $results = ...
1
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1answer
90 views

Can't get result from sql using ajax result

I'm using an AJAX form to feed the code something to lookup in db. Separate table, not WP options. I'm getting the result from AJAX, but when I try to do the sql it just returns 0. This is the ...
0
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1answer
80 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
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0answers
61 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
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0answers
34 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 ...
1
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2answers
78 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
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0answers
225 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
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2answers
97 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
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1answer
163 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!
2
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1answer
139 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
57 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
308 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
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1answer
294 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
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1answer
55 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
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0answers
51 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
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1answer
176 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
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1answer
75 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
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2answers
4k 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
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0answers
241 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, ...
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1answer
38 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
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2answers
180 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 ...
36
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5answers
62k 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
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0answers
295 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
115 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 ...
0
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1answer
105 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
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1answer
73 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
3k 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
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1answer
824 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
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1answer
42 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
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1answer
50 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
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1answer
187 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
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0answers
98 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
1answer
437 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
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4answers
428 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
146 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
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1answer
461 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
49 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 = ...
1
vote
1answer
63 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
2k 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
96 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
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1answer
175 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 ...
0
votes
1answer
43 views

How to avoid filling up an array each time I run a WP_query?

I am making a following user system and need some help for retrieving the users ids a user is following. At the moment I am using the following SQL query for retrieving the users ids a user is ...
0
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0answers
67 views

All images from posts of specific category

I'm photographer and am developing my own portfolio, it's in the final stage. I'm trying to get all images from posts in a specific category. I can actually get all images from all posts, but they ...
0
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1answer
25 views

looking for a way to allow users to backup the plugin db data(save as)

I have a custom build plugin and I want to add the option to let the user save the plugin data(not using a thirdparty plugin to do this for me). So if a user clicks on the button it will allow them ...
0
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1answer
213 views

How to SQL query posts IDs by categories AND authors?

I am making a custom WP_Query and I need to come up with a SQL query that gets the posts IDs from X categories and Y authors. Then merge those IDs and put them in an array. I only need to figure out ...
-1
votes
1answer
13 views

The page that displays Posts on homepage

I want to know the page responsible for displaying the blog posts in WordPress. Where I can probably expect to find the SQL query and post rendering so I can edit some stuff by myself.