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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63 views

Multiple taxonomy drill down filter on a collection of posts

I would like to add a drill down filter to a product catalog site with one main taxonomy, and three taxonomies that serve as additional filter for the main product category. The main plan is to build ...
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1answer
12 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.
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113 views

Custom WP_Query with SQL directives for getting posts by authors and terms

I am making a custom page where I need to display posts from authors and terms (categories). I tried with the built in WP_query arguments but I am not getting the result I want. So I want to know how ...
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1answer
68 views

Randomly select one of last 3 posts

ok so i have this: $args=array( 'orderby' => 'rand', 'order' => 'DESC', 'posts_per_page' => 1, 'offset' => $offset, ); $q = new ...
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0answers
16 views

WP query taxonomies not the same as output

I'm trying to build a custom query and I need to include the current category ID. I previously had the WP_Query args as: Array ( [post_status] => publish [posts_per_page] => -1 ...
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45 views

Order users by 2 custom fields in wpdb query

I've created a WordPress members site, each member is a user with the role of subsriber and has extra information set as custom fields - ie: address, contact details etc. I have the users output by ...
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0answers
15 views

error inserting value

Im kinda having some problem in my query and looks alright in my side and tested it in a localhost too. $query = "INSERT INTO$db_name(fname,pass) VALUES('".$_REQUEST['fname']."', ...
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1answer
72 views

What is the point of get_comment_count() if you cannot limit by a comment type?

We are finding that large WooCommerce sites run very slow. Amongst many issues, this one has me scratching my head. WooComemrce stores order notes in the comments table, giving them a comment_type of ...
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1answer
20 views

optimise SQL wordpress call

I have this code : $querystr = " SELECT * FROM {$wpdb->prefix}posts INNER JOIN {$wpdb->prefix}postmeta m1 ON ( {$wpdb->prefix}posts.ID = m1.post_id ) INNER JOIN {$wpdb->prefix}postmeta ...
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1answer
70 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 ...
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0answers
48 views

$wpdb->prepare - supporting multiple search terms

I am trying to write an escaped SQL statement, for example: $sql = 'SELECT * from TABLE where column LIKE %searchterm% AND column LIKE %searchterm2%'; Except I don't know how to handle it, as I do ...
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179 views

SQL Query to select post thumbnail, post title, post content from a category

I use the db of my wordpress blog to develop a mobile application in Java. For this, I need the SQL query to display the thumbnail of a post, the title and the content in a selected category. I think ...
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1answer
54 views

Confused by $wpdb->prepare

I am attempting to use $wpdb->prepare to protect against SQL injection attacks and am lost. I have the following snippet below which checks the h_transactions table for a transaction id. If it ...
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1answer
46 views

Size article thumbnails and retrieve them directly from database

I've integrated the Wordpress database directly with my .NET application. What I want is to set the featured image of a post. This featured image must be maximum 800pixels wide, and automatically ...
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0answers
24 views

Genesis framework comments broken?

I got a really weird problem. Im using a Child theme which using the Genesis framework. I was using Akismet plugin to stop the spammers and it was workin just fine. Recently i just made a comment by ...
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73 views

Wpdb generates too many queries

I googled for hours, then found some codes on stackexchange (http://wordpress.stackexchange.com/a/108279/108270) and created the codes below. I'm trying to get alphabetical A-Z posts lists (e.g. A B C ...
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1answer
167 views

Inserting rows into a custom table, when plugin is activated

Trying to create a plugin that creates a custom table & populates it with a row of data, once activated. The table is created OK, but the row of data is not added. Please can someone point out ...
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32 views

SQL update post category by post starting letter

I need to update post category based on post first letter. E.g. all post starting with "A" should go into "A" category. so far i can only select posts starting with "A". SELECT * FROM wp_posts ...
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0answers
15 views

How to change location, charset in Wordpress query [duplicate]

I have strange question. How Can I change or set a sql char set in wordpress. In wp_config.php I have: define('DB_CHARSET', 'utf8'); define('DB_COLLATE', 'utf8'); In my plugin I have this: global ...
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1answer
42 views

How to return value from sql and display it

In ordinary php I don't have that kind of problem I think but in WP this is a different story. I have query and I want return one value from "liczba_wodo" column. global $wpdb; if ...
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1answer
41 views

Querying multiple meta_keys in Wordpress SQL query

Here's my Query... I'm looking to narrow this query down to users of one specific role ("meta_key = 'wp_capabilities' AND meta_value = 'employee'")...how do I add that additional conditional to this ...
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70 views

orderby in WP_query doesn't works

I thought that this already works but now I tested it and it seems that it no longer works. I have this code: wp_reset_query(); $args=array( 'posts_per_page' => 3, 'meta_key' => ...
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1answer
49 views

How to optimize multiple insert into wordpress database

I had main file with my plugin and the another file with sql command. In the second file I create two tables and write data to one of them. But I have problem with. In my private computer everything ...
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1answer
78 views

How to display data from db in select list [closed]

I wonder what it's wrong in my code. I can't get all of data in column "adres". In result I only have the lest record. Thanks for help. global $wpdb; $result = $wpdb->get_results ("SELECT ...
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1answer
51 views

Help me SELECT thumbnail from SQL and use

//MySQL Username $user = "myuser"; //MySQL Password $pass = "mypass"; //MySQL Database Name $database = "mydb"; //Number of posts you want to have appear $numOfPosts = 7; //Setup connection $mysqli = ...
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45 views

Delete duplicate custom field with specific vaule

I'm trying to delete specific custom fields that have been duplicated, however i only want to delete the fields with the value 0 in them. I currently have this code that will delete the duplicate ...
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37 views

problem in sql syntax

problem in Mashable Slider Clone plugin when upload it in server WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for ...
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3answers
97 views

Get a count of how many times a term or a category is used in posts

I need to find out the number of times a term/tag or category is used in a post in WordPress. I wrote the below SQL query. SELECT t.name , count(*)FROM wp_terms t JOIN wp_term_taxonomy tt ON ...
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0answers
40 views

How to import a Typo3 database to a wordpress site?

I have a SQL database export from a Typo3 site. Does anyone know know or have any experience of dealing with these cases?
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0answers
46 views

Delete posts without category with SQL

A website I am working on has a 'lost' category uncategorized. It got deleted and now I have thousands of posts without category. Those posts are old an need to be deleted. How can I do this with SQL ...
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0answers
34 views

On adding new field in post table my all posts not displaying in post section in php wordpress

I have created a module for posts. Now I have to modify this module by adding a new column to it. I have done it and it is working fine on local, but when I upload the code on live server, none of ...
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1answer
197 views

Select column name dynamically mySQL Query

$country="USA"; $dr=$wpdb->get_results("SELECT $country FROM wp_shipping WHERE ID=$ids"); I want the above query in WordPress file, where country name is given dynamically but I am not getting ...
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350 views

$wpdb->insert() does not Insert record in a table

I'm trying to understand and get hold of the $wpdb global object but can't seem to make it work. Basically, I'm trying to insert a single record into a custom table in wordpress DB. Instead of ...
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58 views

Delete junk text from all the post using my sql command

Because of an autoblog plugin, my site has got junk text in every post! The text format is as below .. funny-pictures/funny-pictures-of-the-day-30-pics/attachment/funny-pictures-41-2/" ...
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0answers
90 views

Is it ok to delete empty meta values

I'm using database peek http://wordpress.org/plugins/database-peek/ to show my database structure and have noticed that wp_postmeta has 95073 rows in it. I noticed that a large part of them have ...
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1answer
162 views

Attempt to improve WP search, can someone check my SQL query?

I'm stumped. I've done a bunch of work to filter what posts get pulled in a WP search and then even more work sorting those after they're pulled from the DB. My main problem now is getting results ...
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1answer
129 views

find pods item where relationship to other pod is not set

I need to fix the effect of an error that left empty a relationship field that should have been autofilled. To fix this I need to find all pods item that has the relationship not set, but I don't ...
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1answer
95 views

How do I insert a new meta key / value pair, but only if another meta key is present?

I need to add a new meta key and value part only on posts where another key is present (regardless of its value). I tried to use a query to automate it, but my SQL is quite limited Here's what I ...
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1answer
40 views

Removing links from posts in WordPress

I have few blogs for some clients. I need to remove links to one of my clients blogs in all posts. Just to be clear I need to remove links and my keyword should stay like it is. I found this plugin, ...
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2answers
267 views

WPDB SQL query with prepare() returning variable, not db value

I have been trying to get this to work for awhile now and I cannot seem to get any farther on my own. It seems to work fine as a normal SQL query but not within the WP framework using prepare(). ...
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0answers
102 views

Wordpress on Microsoft SQL Server 2012?

I have a business requiremetn to host my Wordpress Server with a Microsoft SQL Server 2012 backend. I'm sure it's possible, but I don't quite know where to begin. Is this possible to implement without ...
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1answer
2k 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
506 views

How to remove in the wordpress database all posts revisions except the last three?

here is the commonly recommended sql command for removing posts revisions and cleaning up the wp database: DELETE a,b,c FROM `wp_posts` a LEFT JOIN `wp_term_relationships` b ON (a.ID = b.object_id) ...
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1answer
142 views

mass delete posts based on metadata

I need to delete all posts that have a certain meta value for a certain meta key. I am looking for how to do this directly in the DB. So for instance, I have a meta field called "state", and I want to ...
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1answer
75 views

wpdb_prepare with multiple or condition

I want to execute a query like this: $wpdb->prepare( "SELECT * ... from ... WHERE ( post_title LIKE '%%%s%%' or post_content LIKE '%%%s%%' )..., $string ); If I do the query with only one ...
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1answer
37 views

Extending the database

I'm trying to add an extra column to the comments database which will store the user ID of the post/page author. This is part of a plugin which will display new comments in reply to either a post or ...
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0answers
84 views

SQL Statement to sort custom query over multiple meta fields with duplicates?

i'm normally doing more Design/CSS stuff, so please be patient if this question is a nobrainer... My question is as follows: I have a custom post type, that has multiple custom fields. Now i need a ...
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2answers
134 views

How to use get_results() in widget front end?

I'm trying to get_results() in my widget's front end, this is my current code: public function widget( $args, $instance ) { echo $args['before_widget']; if($children = $wpdb->get_results( ...
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0answers
67 views

Line break issues with textarea in admin for Attachments

I am not sure if this is an issue with Wordpress, PHP or the Attachments Plugin. I am using the Attachments plugin to save attachments to a post with some meta information. One of which is a caption ...
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1answer
64 views

How to concatenate two separate colums into one?

In phpmyadmin I have two separate columns for latitude and longitude. e.g. lat: '38.897683' lng:'-77.03649'. These coordinates are generated for my location custom posts. How can I automatically ...