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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1answer
105 views

What is the easiest way to implement cascading database upgrade for my plugin?

Lets assume following situation: I develop a plugin. The plugin requires custom database table to store some kind of information. From month to month I release new versions of my plugin. Different ...
2
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1answer
420 views

Bulk add tag (or any sort of label) to posts who have custom excerpt

The situation is the following: The blog as of now has 2200+ posts. In the beginning (2007/2008) I was using manual excerpts where I would put an image and a little bit of text. The manual excerpt (...
2
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1answer
391 views

get posts and postmetas in assoc array

how do I get all posts and postmetas in an associative array? $allposts = $wpdb->get_results(" SELECT $wpdb->posts.post_title, $wpdb->postmeta.meta_key FROM $wpdb->posts JOIN $wpdb->...
2
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1answer
329 views

SQL query to get adjacent posts from search query

I'm busy rewritting a custom function I have recently written to get adjacent posts according to a tag, category, custom taxonomy term, author or search value saved in the URL I'm using the structure ...
2
votes
1answer
225 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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2answers
2k views

wpdb->prepare function remove single quote for %s in SQL statment

I am using the below wpdb->prepare function in a sql statement. I am passing in several variables some field names and some values. When I try to use the %s for the field name it puts single quotes ...
2
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2answers
319 views

What is an efficient way to query based on post_meta?

The problem I am having is when I allow users to filter posts it overpowers the database and things run extremely slow. I am unsure what the best way to query posts using meta values is. My site has a ...
2
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1answer
315 views

Querying Email Addresses for a List of Users with Same Last Name?

I have a site with many users and many of them have the same last name. I want to get the emails of all the users with the same last name (IE: Smith) that has a post related to a particular taxonomy ...
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0answers
35 views

my function doesn't return my post from today

I'm using gravity form to create some custom post type - as events. Everything is working great, There is some date field to setup the event from x to y date. ALl of this working great. However, I ...
2
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0answers
32 views

SQL Query to copy value of a meta_key into another meta_key

I am trying to figure out how to replace the value of one advanced custom field with the value from a different custom field. Would anyone be able to help me structure a SQL query that will do this ...
2
votes
2answers
136 views

List of posts by day of the week

I have Radio with programs and they are associated to day of the weak. Example: 1-Program Disco Nights plays at Monday and Friday 2-Pragram Crazy weekends play only at Sunday 3-etc 4-etc ...
2
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1answer
7k views

Using OR conditions in meta_query for query_posts argument

I have searched high and low for this but I cant seem to locate anything. I am trying to filter some results and when I make an args array like this and pass it to query_posts I noticed that the ...
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3answers
4k views

How do I add indexes to Wordpress Database?

I got a message from Hostgator about my account being suspended because of the load it put on their servers. This is about the fifth time this has happened. I am on a shared server. And they said it ...
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1answer
131 views

What SQL / WordPress queries would need a nonce?

I'm a PHP / JavaScript developer and I'm new to WordPress. Our company's website is build upon WordPress. However I created many custom PHP pages without minding the WordPress framework much. When ...
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2answers
44 views

Need help writing a $wpdb query

I am trying to search through post meta for keyword matches but I'm new to MySQL and I don't know how to write my query. I can write a basic query for post_title matches but I don't know how to ...
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2answers
400 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 ...
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1answer
2k views

WPML tables not deleted when removing multisite subsite, need help clearing up my sql-file! [closed]

I´m building a WP Multisite for a client that wants a multilingual site. Before choosing WP Multisite, I bought and tried out WPML. However that plugin didn't fit for the job so I deleted it and got a ...
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1answer
201 views

$wpdb get_var issue

I've been at this for while, but can't figure out why the below isn't working. I have my date saved as a 'MM/DD/YYYY' string. global $wpdb; $new_day = $day->format("m/d/Y"); $qty = $wpdb->...
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2answers
2k views

Export entries and multiple custom field meta to .csv?

First time poster. I'm trying to export a bunch of custom posts out to a csv file so I can easily import them into a new database. I've ran the native export to xml, but it's not the correct format I ...
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2answers
149 views

Getting users who registered 360 days from current date

As per the title, what I want to do is run a custom query that (using WP-Cron) will run once a day to check for users who registered exactly 360 days before the current date (don't need time, just ...
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1answer
325 views

Wordpress SQL query - returning 'true' 'false' or 'null'

I am working on coding a PHP form for my website that requires the user to enter a code before the form becomes active. I have a field called "used" that I set up as a Boolean/TinyInt which I thought ...
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1answer
211 views

posts_where Fails with More than One Custom Field in Query

Querying either of the 2 fields individually gives the expected result (posts are displayed). But, when both fields are included in the query (ex = 'foo' and 'bar' shown in below example), then no ...
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1answer
189 views

How do i export the HTML from text widgets?

I placed HTML in several text widgets which where lost after i deleted all inactive widgets and changed themes but i have found the data in the tables. The only problem, its mixed in with all this ...
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1answer
57 views

Fetch all Posts where logged in user has commented

I'm not good at sql queries so the question is: How do I list all the Posts where logged in user has left the comment? I guess it's kinda obvious that redundancy is unwanted in case user posted ...
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1answer
169 views

Modify the structure of data returned by $wpdb

Modify the structure of multidimensional array outputed by SQL via $wpdb The output that I need from $wpdb is easily achievable by running multiple queries within foreach. However, I am trying to ...
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1answer
207 views

Get the timout value of a saved transient?

Does anyone know if there is a Wordpress function to get the timeout value of a saved transient? I am using a transient with a 5 minute timeout to cache data from a web API call locally. Between ...
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1answer
2k views

Add Admin User via SQL

I gave my client the admin account to his wordpress install and I forgot to add an administrator user for myself. Now, I can no longer access the admin panel because they have changed their password. ...
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1answer
1k views

Preferred Method of debugging a wordpress SQL calls?

What is your preferred method of debugging Wordpress Applications when writing custom behind-the-scenes SQL calls, etc. ? Coming from a Rails background, I usually tail a log file that displays not ...
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4answers
792 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 $wpdb->wp_frm_item_metas"))...
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1answer
1k views

Order query by meta_value with multiple custom fields

I would like to get ordered all my posts with multiple cutom fields (WordPress 3). Exemple, I've 2 custom couple meta_key/meta_value : " order_submenuexpositions / numeric " " ...
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1answer
4k views

Overriding default calendar to show posts from a category

I'm trying to modify the default WP calendar (get_calendar()) so that it shows posts from a specific category and then use that as a shortcode. Here's what I've done: Copied across the get_calendar()...
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1answer
511 views

Best Way to Merge a Dev and Live Site to Become a Staging Site?

I have two Wordpress installs, both with a little bit of different data. I have a LIVE site and I have a DEV Site. I need to merge the content of these two databases together to make a STAGING Site. ...
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1answer
94 views

Get the most repeated post contents from a search?

In my site the posts content is always the name of a school, so if I search for Chicago I get a lot of posts with different schools as content. What I want to do is to get the Schools with the most ...
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1answer
92 views

Auto-update tables from database

On my WordPress homepage I would like to have a table that can auto-update based on database changes at a given time period. I am trying to find the best solution to this problem, weather I code it ...
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2answers
201 views

Complex WP SQL Query

I have tried the following SQL query without any success. Can anybody that have a better understanding of SQL help? Here is what I am trying to achieve: Get a list of all main events (ME) where the ...
1
vote
1answer
355 views

Custom query to get terms from post ids

I want to get the terms object by given posts ids. I don't know much about sql, and this kinda complicated for me. Here is what i tried: global $wpdb; $taxonomy = 'category' $term= $wpdb->prefix.'...
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1answer
118 views

Custom Field Create Bulk via SQL Query

I have a question. A created a custom field named video_desc. I have ofer 2000 posts and I need to add this custom field to all posts and add the text "Description Here" to it. How can this be done ...
1
vote
1answer
121 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 ...
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2answers
85 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", ...
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2answers
4k views

How to Mass Delete Images from Media Library

I need your help. I am trying to mass delete attachments from a custom post type ('book') using a sql query. I found this snippet on the wordpress form: Wordpress.org I tested it on my local computer,...
1
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2answers
107 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 ...
1
vote
1answer
75 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
297 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 ...
1
vote
1answer
128 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 doesn'...
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vote
1answer
2k 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) ...
1
vote
2answers
283 views

count number of user comments with a specific comment meta value

I am using the code below to count the number of comments by a certain user: global $wpdb; $count = $wpdb->get_var( 'SELECT COUNT( comment_id ) FROM '. $wpdb->comments .' ...
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2answers
783 views

Optional Meta Query

I have places stored as posts in WP's posts table. I am doing some geo-locating using Geo Data Store (http://wordpress.org/plugins/geo-data-store/). This is working great for me, as I can currently ...
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1answer
2k views

Select from wp_post and multiple meta_value from wp_postmeta

My lack of SQL skills has stopped me in my tracks here. I'm trying to select post_id, post_title and two postmeta values - the first has the meta_key of 'search_country' and the second a meta_key of '...
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2answers
201 views

Export / import Wordpress database

Is there a proper way of exporting and importing a big WordPress MySQL database to a new database? When I tried to do that in the standard way I run into 2 issues: All widgets disappeared and I had ...
1
vote
2answers
752 views

Bulk move (or copy) from a custom field to the post content?

I need to move (or copy) the contents of a custom field into the main post body, replacing any existing content. I need to do this for a few hundred posts...Is there a quick way of doing this? I can ...