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

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1answer
147 views

Detecting errors generated by $wpdb->get_results()

How do I detect errors when using $wpdb->get_results()? For example: $result = $wpdb->get_results("SELECT * FROM this is not a valid query"); The preceding code doesn't generate any exceptions ...
3
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1answer
302 views

Change post status based on meta value

I have this cron set up to trash posts x days after it is posted. This works. Edit: Added my answer to my question. add_action( 'wp', 'do_trash_ads' ); function do_trash_ads() { if ( ! ...
2
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1answer
102 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 ...
2
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1answer
79 views

XOR functionality for meta_query

I'm trying to resolve the problem with event displaying. An event has its start and end dates, written in meta. For example, event starts on (dmY) 03.04.2013 and ends up on 08.04.2013. Using WP_query ...
2
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1answer
93 views

How do I batch create revisions of all posts?

I cleaned up an old-site from pasted tags, manually created lists, etc, and I'd like to keep the old posts as "revisions", so we can easily "compare" with the old posts and retrieve/revert the ...
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1answer
339 views

wpdb->insert and stripslashes against sql injection

I've been reading the codex at this page: http://codex.wordpress.org/Function_Reference/stripslashes_deep The code i wrote before reading that page is this: $data = array( 'col1' => ...
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1answer
26 views

Super administrator db name

As I cant test this(cant find any docs and dont have an multisite setup) I need to know the db name of the Super Administrator. So how is this role stored inside the wp db? It's probably something ...
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1answer
43 views

Get a row from a separate table by matching a posts meta_key to a tables ID column

I am trying to match a posts meta_key value to a separate tables column ID and call that row/array in the single-listing.php. I have a meta_key value that is called dot_number. The table is called ...
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1answer
340 views

Wordpress choose wrong database

I have 2 databases. When I include the database connection (with a include('filename.php');) wordpress acts really strange. I can't login, the wordpress username and password is right but it tries to ...
0
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1answer
24 views

How to use ajax in wordpress plugin to get data from coustom DB?

i have created php script that work great as stand alone. now i need to create this script as wordpress plugin. so i have created custom table in wordpress DB. then i tried to make the ajax call. in ...
0
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1answer
34 views

How to fetch results from database

I'm attempting to customize a wordpress theme. I've added custom field cp_job with form submission. This indicates if the ad is either Buyer(Buying services) or Seller(selling services), which is now ...
0
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1answer
48 views

Inserting a MySQL record into a table with an array of field names and an array of values

I see this in the Codex: $wpdb->insert( $table, $data, $format ); I'm using this type of code and it works: $wpdb->query( $wpdb->prepare( "INSERT INTO `table` ...
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1answer
19 views

Update vs Insert logic but the last key is always inserted?

I have added a custom db table which looks like usermeta table, just storing some key - value pairs. But now i am stuck with the following logic a/ if key exist for a user use an update query else ...
0
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1answer
17 views

wp_commentdata: error in documentation?

The page http://codex.wordpress.org/Database_Description#Table:_wp_commentmeta lists the meta_id field of the wp_commentdata table as being both PRIMARY KEY and DEFAULT NULL. But a primary key cannot ...
0
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1answer
63 views

Save/retrieve form data best practises for theme development

I'm building a theme and I have a custom page template with a <form> which is for the vistors to fill in and submit. I'm processing the data with help from hooks and this is all separated from ...
0
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1answer
377 views

Action hook “wp_insert_post” works but not for last imported post

I want to run a custom function whenever posts are imported to my custom post type. I am currently running this code - function on_post_import($post){ global $wpdb; $results = ...
0
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1answer
51 views

$wpdb doesn't like to store arrays

I'm attempting to store an array that looks like the one below, into a cell in a database using the code below the sample array. Unfortunately, WordPress doesn't seem to want to save it, and ...
0
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1answer
29 views

Pulling values from a sepcific row in table

I'm trying to get the first and last name values for ONE person in a database where the meet certain conditions of being a team leader and having a specific project id. Because of this, it will always ...
0
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1answer
28 views

wpdb->insert adds too many rows

I have the following code in my functions.php $ar = array( 'price_content' => 'hello' ); $result = $wpdb->insert('hs_prices', $ar); // insert 'hello' into 'price_content' This should ...
0
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1answer
44 views

Slow getting posts from category

My blog has over 700,000 articles and my category structure as follows: -Cats Cat 1 (ID: 3) Cat 2 (ID: 4) Cat 3 (ID: 5) ... Cat 20 (ID: 22) I took the articles by using the following SQL ...
0
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1answer
89 views

How to make an sql query to exclude everything but custom taxonomy terms in table wp_terms?

Problem Summary: I am trying to write a SQL query that returns only my custom taxonomy terms, but the table (wp_terms) contains all of the terms, even ones that I don't want (such as category terms, ...
0
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1answer
67 views

Search Query that Includes Custom Table

I have a WordPress website that grabs product data from a custom table. I would like to be able to also search from fields in the custom table. Could someone provide a sample query of what this would ...
0
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1answer
39 views

wpdb->update error

I am trying to update the value of an entry in the gravity forms detail table. I am simply trying to update the 'date' field inside of an entry. Here is my query: $update_date = ...
0
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1answer
97 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
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1answer
46 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 = ...
0
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1answer
16 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
49 views

wp-postratings: list current user's unrated posts

This is the code I use to list current user's rated posts (I use the wp-postratings plugin on my site for rating posts): <?php global $wpdb, $current_user; $userranking = $wpdb->get_results( " ...
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54 views

Run query once inside a loop

I am trying to prevent to much queries inside a plugin one of my plugins. I have a query inside a function which will output a complete block with some layout elements and an input element which will ...
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72 views

Best way to execute custom page-specific mysql queries

I would like to query a secondary mysql database (not the Wordpress mysql database) with page-specific queries. I've seen many answers / tutorials on setting up a secondary mysql database, like: ...
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40 views

Proper way to trigger a MySQL query via link in a plugin

I am trying to develop a module in my WordPress plugin that will delete an entry from the database. The only issue is related to the trigger action. I've tried to send my users directly to the page ...
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107 views

Using the same shortcode to show any table from the database

I have a little question for you. I want to create a shortcode that makes a table with data that I have stored in a database. But i want to send the shortcode an attribute, to specify which table ...
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43 views

$wpdb: how to use a query as a base for another query?

I've got this query: select p.ID, p.post_title, p.post_content, t.term_id, tt.taxonomy, t.name, t.slug, tt.count from bdu_posts p inner join bdu_term_relationships rel on p.ID = rel.object_id inner ...
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61 views

Update tags to 10,000+ posts with wpdb?

I have over 10,000 posts on a site which all need to have a tag added to them. WP_Query is either running out of memory or timing out on my server and in the past running large queries with this ...
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74 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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100 views

Querying the DB to get sum of column from custom meta box (only published posts)

I am trying to get the SUM total of a custom meta box, from all published posts, from a custom post type. By using $wpdb I am able to get the sum from all of the posts (published and otherwise), but ...
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3k views

AJAX with Selectbox Plugins (Select2, Chosen, Selectize)

I have been searching all over the internet for tutorials on implementing AJAX actions from jQuery selectbox plugins such as Select2 , Selectize and Chosen. (these plugins look better than the inbuilt ...
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43 views

How Can I Put Meta_Compare in the Database-Query?

Yes, I know that this can easily be done with built in wp_query but I need this in Wpdb query. I have a custom field and I need to display posts where this field does not exist. By the way can I get ...
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68 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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26 views

After importing data to new DB with new name, receiving a constant MySQL warning

I've just spent several hours trying to understand why a WP install is really slow, I tracked it down to the database and realised everything in the db was just running super slow with the debug bar ...
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80 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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104 views

why is $wpdb->update() causing a DB error from within wp_set_password()

I have a page-template for my custom theme that enables the user to reset their password from the front-end. I'm calling wp_set_password() and everything runs but the password is not changed in the ...
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115 views

Wordpress plugin tables become corrupt

I have written a plugin that creates and uses 3 database tables. On rare occasion, all 3 database tables become corrupt but no other tables in the database exhibit similar conditions. It is pretty ...
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125 views

esc_sql inserting weird chars to DB

I am using esc_sql function for making safer SQL operations but i am mysteriously getting ? and &nbsp; in the DB table how can i avoid them. Edit : Here is my array after esc_sql() Array ( ...
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118 views

Displaying posts from last 24 hours in current category with pagination

I am trying to find a solution for this problem but unfortunately without any success. I've checked WordPress Codex (WP_Query & wpdb) and few other solutions from Internet and still I wasn't even ...
0
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0answers
100 views

Error inserting row into table

I am trying to insert a row into a table. Given below are the various functions to create table. insert data into the table- but its not working. Also given below is the sample output showing all ...
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110 views

Retrieve post data via WPDB class

I'm trying to figure out doing a custom query using the $wpdb Object. I have custom type posts, event_posts, that have meta data, images, as well as event dates which are input in the post with the ...
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112 views

get_query_var('paged') giving same result

I have a custom page, in that page i am using a custom select query for my search functionality. The problem is pagination not working. I used $on_page= get_query_var('paged'); for pagination. When ...
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143 views

Custom query on Wordpress custom table

I am working with a custom table where some values will be inserted or updated if they already exists, I have checked and rechecked the syntax and it seems to be working fine, if I run the same query ...
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140 views

Filter content by custom field and category

Im trying to filter an Wordpress request with 2 parameters. by a custom field (REGION) there are 6 regions by categorie, there are n-categories with 1 value per post. As result i would like to have ...
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54 views

Already has more than 'max_user_connections' active connections wp-db.php

ERROR : mysql_connect() [function.mysql-connect]: User already has more than 'max_user_connections' active connections in /nfs/c09/h01/mnt/12345/domains/domain_name/html/wp-includes/wp-db.php on ...