The wpdb class, accessed via the $wpdb global variable, is used to interact with the WordPress database

learn more… | top users | synonyms

0
votes
1answer
61 views

Updating with $qpdb->query() always returns 0 rows affected

I'm experiencing an odd situation while running an UPDATE with $wpdb->query(). Given the users table, with columns user_id (Primary Key) and status, and the user 3 existing and with status 0, I ...
0
votes
1answer
39 views

duplicate entries in database while using save_post or wp_insert_post

Here is what I am trying to do - I have created a custom table in the database and I am trying to enter data into it everytime a post is created. The database-entry needs to happen ONCE AND ONLY WHEN ...
0
votes
1answer
28 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 ...
0
votes
1answer
30 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 ( ...
0
votes
1answer
24 views

Issue regarding $wpdb->prepare()

$wpdb->prepare() is adding single quote ('') like below. I am using below code $sql = $wpdb->prepare("SELECT * FROM %s ",$table_name); echo $sql; I am getting output like below SELECT * FROM ...
0
votes
1answer
96 views

How to get DB options format without saving? [closed]

Using Unyson framework. I am getting theme options form data saved to a file. Was able to do that via ajax and JSON.stringify(form values in json format) problem I have is that the form data ...
0
votes
1answer
27 views

How to Generate a list of Most Commented post?

I'm trying to call a list of most commented post. But the call to the DB returns always the same post (the first one in the loop) This is my code in functions.php function ...
0
votes
1answer
64 views

Run posts_where and posts_join only on the main query

Using the pre_get_posts hook, I'm able to take $query as an argument. But on posts_where and posts_join hook, I receive the respective clauses and not the query. The problem is that the hook is ...
0
votes
1answer
48 views

WPDB Table Does Not Exist

From this code: global $wpdb; $sidebar_table = $wpdb->prefix . 'w3care_sidebar_position'; $checkad = $wpdb->get_results( $wpdb->prepare( "SELECT ad_id, sidebar_position, ad_type FROM `%s` ...
0
votes
1answer
138 views

Wordpress Insert not working with ajax

I am trying to enter insert data with form in wordpress and want to use ajax for that. Without ajax it works fine but when I use ajax pressing the submit button gives 0 in result and the data is not ...
0
votes
2answers
86 views

Displaying data from another database

I'm working on custom plugin that will pull property information from our non-wordpress database. That is working just fine. Where I'm having problems is getting the whole front end piece to work. ...
0
votes
1answer
91 views

Using wpdb without loading all plug-ins via wp-load.php

I'm trying to prevent WP from loading all plug-ins when including wp-load.php, since I don't really need them nor the usual WP actions/filters. All I need is the WPDB class to query the database ...
0
votes
1answer
86 views

WP Sql query multiple where clause

I'm trying to get the users that have registered after a specific time (this case $today) and who have the newsletter field true and the account false. This is what I have so far but the result is ...
0
votes
1answer
126 views

Using WPDB->Insert()

Hello I have been developing in PHP and now am just starting the transition to Wordpress. In PHP I have this -> // Prepare statement $sqlstatement = $conn->prepare("INSERT INTO importtest ...
0
votes
1answer
25 views

Save sql file after doing insert wpdb

My code below takes an xml file and inserts it into a database table. However, I would also like to save the full insert query as a backup. Is it possible to write out the query built by wpdb so that ...
0
votes
1answer
98 views

WPDB secure custom form

I'm creating a custom form to update rows in a secondary MYSQL DB, different from the one of wordpress. This form is public and every user can access it. So I've created a plugin and I'm using also ...
0
votes
1answer
467 views

$wpdb variable throw this error Call to a member function get_results() on a non-object in

I've this error "Call to a member function get_results() on a non-object in" from this code: require_once($_SERVER['DOCUMENT_ROOT'] . $folder . '/wp-config.php'); ...
0
votes
1answer
124 views

List of ways to access WordPress database?

I'm trying to get a complete understanding of how WordPress works with databases. I've read the documentation but I'm getting confused by all the different approaches available. So far my ...
0
votes
1answer
74 views

Retrieving posts by their date and category

I'm trying to create a plugin for displaying post titles and dates (which will be displayed as links to those posts) of a specific date range and category. So far I have managed to get to display the ...
0
votes
1answer
29 views

Should I use an additional column in the DB?

I'm building a site for a client. They need a functionality where WordPress can tell if a logged in user has viewed a post in order that they might serve a notice or hide the original content. I ...
0
votes
1answer
40 views

Unknown column 'siteurl' in 'where clause' WPDB outside

I am trying to get Mysql values from outside wp. My code: define( 'BLOCK_LOAD', true ); require_once( $_SERVER['DOCUMENT_ROOT'] . '/wp-config.php' ); require_once( $_SERVER['DOCUMENT_ROOT'] . ...
0
votes
1answer
62 views

Incorrect Use of wpdb::prepare()

Not sure what I am doing wrong here. I did not write this code however I am receiving the following error in WordPress: The query argument of wpdb::prepare() must have a placeholder. This message ...
0
votes
1answer
24 views

Outputting query results

I am trying to make plugin, and i followed codex, i am not a OOP literate, hence i a blank. I tried to run this query $myrows = $wpdb->get_results( "SELECT question FROM wp_quiz" ); while i tried ...
0
votes
1answer
175 views

plugin ajax to external php file always return null

I am struggling with this error for a while now. The plugin inserts data to the table. Here's the code : File : plugin/_add.php require_once('../../../wp-load.php'); global $wpdb; $table_name = ...
0
votes
2answers
109 views

$wpdb->get_var multiple queries in one database check

I am using the $wpdb->get_var php code to get the first name and last name on the records, in the wp_usermeta table... But because the field value is stored in the same cell, I don't know how to merge ...
0
votes
2answers
1k views

How To Get Some Data From WordPress Database Using WordPress $wpdb Query?

I am trying to get some data from WordPress database tables in a plugin. For that, I am using the below code... global $wpdb; $findID = $wpdb->get_var("SELECT ID FROM wp_posts WHERE post_name = ...
0
votes
1answer
47 views

How to avoid conflicts with db.php / $wpdb and other plugins that decide to use them?

Our plugin (VersionPress) needs to track database changes so that it can version-control them. We currently do this by creating db.php and overriding the $wpdb instance in it but it has an issue that ...
0
votes
1answer
55 views

Multi-site site nav, wpdb->prepare missing argument

I'm using a Wordpress Multi-site to house a number of sites in one WP install I'd like to have a nav showing each site with a link to the site. I'm using this function to do this <?php ...
0
votes
1answer
83 views

Exclude specific terms from all queries using posts_where or something similar

Basically what I'm trying to do is exclude all posts that belong to a specific set of terms from showing in any and all queries across the board, EXCEPT when you're actually viewing that post or page. ...
0
votes
1answer
312 views

WP_USE_EXT_MYSQL

Here is the constructor for the wpdb class as found in the source code. According to a google search this has been recently renamed from USE_EXT_MYSQL. However I cannot find anywhere in the source ...
0
votes
1answer
23 views

wpquery properties last_query and last_result : should these be public or private?

I've come across the following lines of code in wp-includes/wp-db.php: /** * Last query made * * @since 0.71 * @access private * @var array */ var $last_query; /** * Results of the last query ...
0
votes
1answer
89 views

Ascending order of yearly archives [closed]

Hey there, I stumbled upon this question but I can't seem to contact the author, because I'm still too new here. I'm using this snippet on my archives.php page to display my posts sorted by years. ...
0
votes
1answer
29 views

Using $wpdb in a plugin, what sort of data does it return?

I have following code: <?php $q = intval($_GET['q']); global $wpdb; $myoption = get_option( 'fixformdata_options' ); $myoptionValue = maybe_unserialize( $myoption ); $result2 = ...
0
votes
1answer
281 views

Can I use $wpdb for my custom tables in the WordPress database?

I am building a custom application based on WordPress. I have my custom tables in the WP database. Can I use $wpdb to work with them, or is that class solely for the WP related tables? For example, ...
0
votes
1answer
158 views

foreach loop inside the loop creating duplicates in output

I have a foreach loop inside the loop that is getting info from a separate table. The table has a column that has an id that reflects the id of the post type so it should always be unique. When I ...
0
votes
1answer
83 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
votes
1answer
280 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 = ...
0
votes
2answers
89 views

Perform a function when a user clicks register button

I am kind of new to WordPress coding. I'm trying to edit the wp-login.php file so if a user clicks the register button, it registers the user and stores the information in a different database table. ...
0
votes
2answers
94 views

WPDB - How to search a column in a table

I have a custom table called wpgrating I have a column there called "ip" Now what I want to do is search for "ip" column and see if there is an entry already there? How can I achieve this?
0
votes
1answer
60 views

Get the alphabetical sorted data with wpdb

I have a function in my WP which get the data from database, Here is the function function thebook_get_provider_types() { global $wpdb; static $provider_types; if (! ...
0
votes
1answer
404 views

Cannot update custom database table row

I am trying to update a row in a custom database table by $wpdb->update();. In my opinion my code is right but for some reason my database row doesn't update. Can anyone help me with this? I want ...
0
votes
1answer
193 views

How to access the WordPress DB from a plugin file

I'm building a basic video management plugin, with an embed feature that will have URLs like: mysite.com/wp-content/plugins/embed-video.php?video=[POST ID] I plan on using the [POST ID] url parameter ...
0
votes
2answers
631 views

Undefined variable: row?

I'm trying to select the post_title from wp_posts with a query which I did using this method: global $wpdb; $test = $wpdb->get_var( $wpdb->prepare(" SELECT post_title FROM ...
0
votes
2answers
141 views

Short of raw SQL, can I query for multiple attachment metadata that have a given array key?

With raw SQL through $wpdb, I believe that I could do something along the lines of this (untested): SELECT post_id, meta_value FROM postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value ...
0
votes
1answer
128 views

WP MS: How to query over the network

I have a WP 3.8.1 Multisite installation with 3 blogs, they're all in one db, prefixed wp_, wp_2_ and wp_3_. In a template in wp_ I try to to display all posts from wp_, wp_2_ and wp_3_ which have a ...
0
votes
1answer
234 views

List users with the most posts in the last 30 days

I'm trying to create a MySQL query to display a descending list of users with the most number of posts over the last 30 days. This is not working with me: $where .= " AND post_date > '" . ...
0
votes
4answers
327 views

Displaying post excerpt using wpdb query

I'm using a modified version of the code from a question (Get WordPress Posts Grouped by Month) to group my posts by year. Everything is working fine, but I'm having trouble getting the post excerpt ...
0
votes
1answer
198 views

Are term_taxonomy_id and term_id the same?

I have a custom query where I need a JOIN because I want to COUNT all the posts of a specific category. So I checked the tables and I found out that table wp_term_relationships contains a reference ...
0
votes
1answer
425 views

Add row to custom database Table and delete all rows older than 1 day

I'm editing a view counter plugin so that it logs the IP of every user that viewed a post. This is to prevent them from refreshing the page and thus creating artificial views. The part I'm having ...
0
votes
1answer
52 views

$wpdb in php 5.5

I am helping a friend update their website and move it over to a new server. Their old server is running php 5.3.6-13 and the new site is running php 5.5. There is a custom plugin that uses $wpdb ...