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

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Create new database through static page code

I want to create a new table in current database of word press through create a static page. I write code for this as below, but there was no result. Why is that, and how can I get this right? ...
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193 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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85 views

How to stop $wpdb from prepending database name

When I run an UPDATE query using $wpdb, WP prepends the database name associated with the WP installation to whatever is passed in the table name argument. This isn't desirable as my app passes the ...
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203 views

$wpdb - joining shows no result

For one of my client's WP site, I'm making a plugin, where I'm using the db Query. I've two custom tables dedicated to the plugin: user_req — stores user chosen posts along with some custom ...
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1k views

$wpdb->insert Giving duplicates

I'm getting duplicate entries with this, how can I fix it please? <?php echo "Month". $_POST["Month"]; global $wpdb; $wpdb->show_errors(); $wpdb->print_error(); $wpdb->insert( ...
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2answers
56 views

Mixing variables into an array when inserting values

I have a function that inserts a load of values into a database. Not a problem but I have a condition that changes the mysql statement. The problem is is the way wordpress constructs the statement, ...
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672 views

$wpdb->get_col and ORDER BY?

this is the query that returns the listing of a custom post type $apartments = $wpdb->get_col( " SELECT DISTINCT( post_id ) FROM $wpdb->postmeta ...
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204 views

Best practice to limit results in get_row()?

This is my query to check if a title exists (it's in a loop, therefore [$i]). $wpdb->get_row("SELECT * FROM wp_posts WHERE post_title = '" . $titles_arr[$i] . "'", 'ARRAY_A'); Anyway, I would ...
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252 views

query_post and wpdb returning different results

I am trying to get the woocommerce products by category.. When I query using the wpdb it gets the product correctly which exists in the backend products list. But when I query using the query_posts it ...
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3k views

$wpdb returns no results with SELECT query on custom post type, works on default post type

EDIT: Adding more background info. I've coded a plugin that adds a meta box to the post page. When the post is published, the plugin will generate a random ID for the post, and insert the random ID ...
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3k views

How-To: wpdb Insert Record With Date

I am writing a plugin where I need to pre-load some data in the custom tables that I create upon Activation. My inserts have run fine thus far until I attempt to insert a record with a DATE datatype. ...
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442 views

Custom SQL query ORDER BY term_order

I have custom taxonomy that list terms under "series" that contain posts that are also present in terms under "media_type" and where media_type is term_id 16. I want to order the list by the ...
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106 views

Custom $wpdb returns unexpected time based results

I am using the $wpdb class to do a custom SQL query but I am getting weird results. Basically this is what my SQL query is supposed to do Retrieve the titles of post_types 'question' only if they ...
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68 views

Specify strict 'order by' in WordPress query

I have a custom post type called Employees where an employee's name is the post_title of each post. I am trying to figure out how I would sort the post_title column by last name. So for instance, if ...
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2answers
628 views

Speed optimization of $wpdb->get_results

I'm using this code to generate all my custom field values from all posts for custom field named "autor". <?php $autor = $wpdb->get_results("SELECT meta_value AS autor FROM wp_posts, ...
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883 views

Creating an auto result search bar

I'm trying to create a search bar that will show me titles of posts when the user types into the text field. I'm completely new to this and I really don't know how to go about doing this. What would ...
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124 views

Build index page from custom fields

Im starting to delve deeper into Wordpress custom fields and wanting to replicate this page in Wordpress: http://www.clubsact.com.au/corporate/index.php So my site is not tightly structured to a ...
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323 views

Problem adding 'has-children' class to wp_nav_menu

According to a number of references online, I should be able to use the following function to add the class, has-children, to menu items that have children under them: function ...
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4k views

Custom $wpdb Query for Custom Post Type by Category

I am using the following code to output a list of items in my 'documents' Custom Post type by Year and Month. <ul> <?php $post_type = 'documents'; global $wpdb; /**/ $years = ...
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651 views

include wp-blog-header not working on MAMP

To clarify my question... My plugin is/was using AJAX to call the file pluginname/submit/pick.php My pluginname/pluginname.php contains the usual plugin header and wordpress automatically finds it. ...
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2answers
924 views

Ajax call in wordpress not working for subscriber user

All In my application there is notification system, when user click on that icon I want to make ajax call. The problem id it works fine for admin user (Debug : 200 ok), but not for subscriber user ...
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517 views

Best practice to import user base (subscribers) from one website to another?

I want to import users from a Wordpress installation to another. Same domain, but complete different websites. Website A (old, 700 users): running WP3.0 plain installation + BBPress 1.x Website B ...
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539 views

paginate_links on custom query in admin - 'sufficient permissions' error

I have created a page in my admin with this custom query: $rows = $wpdb->get_results("SELECT * FROM ej_feedback ORDER BY createdtime ASC"); I have made it successfully paginate as required in ...
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3answers
13k views

wpdb->prepare and mysql UPDATE - how is it done?

Trying to set a 'removed' date time in a plugin query but I'm not sure how to use UPDATE SET with $wpdb->prepare. Here's my query: $cur_date = date('Y-m-d G:i:s'); $rows_affected = ...
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1k views

AJAX wp-mysql running too slow

I have made a function of ajax, which returns all the posts starting with a particular alphabet, suppose a user clicks on letter A, then all the posts starting with letter A will be displayed, any how ...
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1k views

Wordpress $wpdb get posts from category and sort by custom meta

I have a custom post type of 'events' which has a meta key 'event_date' Im using the following to retrieve those posts and arrange them by 'event_date' global $wpdb; $today = ...
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2k views

How to change a custom query into a standard loop?

I'm trying to modify how results are displayed in a post list that's currently controlled by the code below. However, it's not built in the WP_Query while ( $the_query->have_posts() ) : ...
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968 views

Wpdb->insert() doesn't insert new row after the last one

In JavaScript, I'm using an Ajax call and I'm sending an array of shops. Except for the last element in the array all the shops already exist in the DB. The last element is a new shop. The PHP code ...
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223 views

Compare transient data with a meta box value

So I'm not sure what would be the best way to go about this in terms of best practices and optimization. Scenario: I have query that parses an external XML feed and stores the data using the ...
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978 views

Ajax future single post query doesn't work when NOT logged in

I am having a problem with an ajax request for a single post, when the user is not logged in. The post is a calendar date and is in the future. the query works fine if I am logged into wordpress but ...
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459 views

Placing a widget with $wpdb query

I'm getting the feeling that adding Widgets via MySQL query is not as simple as I thought. I was under the impression all data is stored in the options table, but it seems like I was wrong. Any idea ...
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34 views

Dynamic URL, not a physical page within the database

Knowing how WordPress essentially processes page requests (through index.php and .htaccess), I'm trying to figure out the best way to "ignore" a certain permalink structure, or rewrite it in such way ...
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21 views

Proper Prepare Statement for ALTER TABLE and using AFTER

My code for ALTER TABLE doesn't make use of the prepare() method of $wpdb and so the code needs to be updated properly. There are plenty of examples of query SELECT, etc but couldn't find something ...
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40 views

How to insert dash (-) into database using wpdb and new_to_publish hook?

I am saving titles of posts in a separate table for a specific use. The titles are saved to the database when a post is published. code is: add_action('future_to_publish', ...
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2answers
43 views

$wpdb-prepare : Do I have to bind a parameter to the table name?

I only do a SELECT on a whole table - and the table is defined in a variable: $table = $wpdb->prefix . 'members'; Do I have to bind a parameter to this variable? This caused an error: $result ...
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35 views

Using “->” in a page to exceute $wpdb query gives error

I am doing some SQL queries in a WordPress page using the Insert PHP plugin, but the -> object operator changes to -&gt; when I write code in the Text editor, or view in the Visual editor. When ...
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64 views

How to get product order by two custom taxonomy in wordpress

Yesterday i stuck in the middle of code that how could i retrieve product belong to specific custom taxonomy ordered by other taxonomy. Table wp_posts: id | post_title ---------------------- ...
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1answer
61 views

$wpdb->get_results breaking page?

I'm trying to generate a list of years that have posts on a Wordpress page using a "php in posts" plugin that has a shortcode. but the code I'm using seems to break the page. What could be the issue ...
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1answer
169 views

Custom select query two tables by a meta key

I'm using an event plugin which creates wp_ftcalendar_events table in database with start_datetime column. Here's image of whole table: I want to query my posts by start_datetime. I know that I ...
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1answer
36 views

Why is this $wpdb query looping 5 times?

I want to only return one value for this query, it's in my functions.php file. The idea is to return a value that I need once post_meta has been updated. It's returning the same (correct) value 5 ...
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127 views

wpdb query not returning results containing single quotes

I'm using a simple $wpdb query that searches the database for all other posts with the same title as the current one and then displays a link to them on the current post. So if I go to a post titled ...
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265 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 ...
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1answer
188 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 ...
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1answer
47 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 ...
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1answer
49 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 ( ...
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1answer
28 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 ...
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168 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 ...
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1answer
37 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 ...
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1answer
185 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 ...
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1answer
79 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` ...