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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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
145 views

Really simple query giving error in SQL syntax

I'm sure this is a simple oversight but I cannot seem to narrow it down: global $wpdb; $tablename = $wpdb->prefix . "icrm_folders"; $sql = $wpdb->prepare( "SELECT * FROM %s", $tablename ); ...
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84 views

Meta Query And/Or

My question is very similar to Meta Query with AND & OR? . This question was answered in 2011 by @Otto. With the exception that my logic is different. I want to query, for example, posts with ...
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2answers
428 views

How to update Wordpress custom SQL Select query for custom taxonomies so that syntax is correct?

I have a Wordpress website that written by third party web developer for version 2.9 before custom taxonomies were fully implemented. We have since upgraded to latest wordpress version 3.5.x. There ...
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1answer
59 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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2answers
81 views

Create a new page for each form selection

I have a got custom page template which displays a drop down box that has list of countries.A user selects the box and clicks sumbit.Page then then displays the relevant details for that country .IT ...
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1answer
43 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
187 views

Using color schemes with Color Picker

What I'm doing User interface to change website colors - User can change colors individually (like menu color, footer color, content color), or use color scheme that will change all colors (values ...
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1answer
75 views

learn to run wpdb class

I want to learn how to run commands through WP rather than SQL commands I have a SQL command: SELECT post_id, (select meta_value from wp_postmeta where meta_key = a 'geo_latitude' AND x.post_id = ...
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1answer
94 views

Print page content with formatting when doing custom SQL query

I guess there's a simple solution for this but couldn't find any. I'm trying to fetch 3 pages and show them on footer. The problem is that every page is shown as text without formatting which means ...
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1answer
67 views

Wordpress Custom post query sorting does not work

I created a custom WP query to collect products that have 3 different taxonomy values in them and sorted them by price using the following: $my_products = new WP_Query( array( ...
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2answers
1k views

SQL query to get posts from multiple categories but not in a category

I need to get the last posts' ID and the post_tile within categories 1 and 2, and exclude those within category 3. It must be SQL, because if I use WP_Query it retrieves too much info and I only need ...
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2answers
989 views

Error establishing a database connection After Copy localhost wordpress site (with site url directly to hosting server's url before copy)

I have a localhost site that I heard I can migrate the site by just copy and paste the whole site from local to host if I changed WordPress Address (URL) and Site Address (URL) to my current hosted ...
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1answer
82 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 ...
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1answer
51 views

finding out the top 5 source ( source is a custom taxonomy ), in a given category

The client I'm working with have thousands of articles and media ( audio/video ) files. To WordPress, all are posted by Author ID 1, which we named as STAFF. All the content though in reality has ...
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1answer
336 views

Recommended way to drop a pending query (in pre_get_posts)?

It looks like an e-commerce plugin's core query will be of no use to me in one particular template so I would like to discard it completely in favor of my own WP_Query loops in the template. It's not ...
4
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1answer
243 views

prepare() not working

When I do this: $transients = $wpdb->get_col( " SELECT option_name FROM $wpdb->options WHERE option_name LIKE '_transient_wb_tt_%' " ); It works ...
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1answer
365 views

Wordpress SQL JOIN query

Hi Im trying to run 2 querys in the same query call. // send the query global $wpdb; $commentQ = "SELECT * FROM $wpdb->comments " . $whereClause . $orderBy; $comments = ...
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2answers
681 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 ...
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2answers
78 views

How to delete ALL comments from certain category in Wordpress database?

I'm trying to delete all comments from posts in a certain category in a Wordpress database. The Wordpress database is rather complicated so this must be probably some join of wp_posts, wp_comments ...
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2answers
107 views

How do you use prepare when asking for a list of id's

I'm looking to get a number of records back from the database given a list of numbers and was wondering how I would use $wpdb->prepare to do this (to take advantage of the sanitising vs SQL injection ...
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1answer
342 views

pull data from a remote wordpress database

I am trying to pull some data from a remote wordpress database. Here is the code I have: $server = "my server code"; $user = "my username"; $password = "my password"; $db = "mydb"; $con = ...
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1answer
119 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
153 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 ...
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1answer
297 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 ...
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2answers
256 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 ...
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1answer
1k views

Export WordPress Posts and Meta Information in CSV format

I need to export all WordPress Posts and related Meta information using an SQL query. I've managed to export just the Posts but realised that the Meta information is in another table. Could someone ...
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2answers
823 views

Display data from a non wordpress database on a page template

I am using a sql query to access information to display on a wordpress page by adding the below code to a page template. I know the query works as I've tested it in phpmyadmin. $rows = ...
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1answer
54 views

Return number of items in a table with post id

I am trying to return the number of reviews for a given page id, I have this so far... <?php global $wpdb; $countreviews = $wpdb->get_var($wpdb->prepare("SELECT COUNT(ID) FROM ...
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1answer
315 views

Export all posts to import as product items

Up until now, my client has been using WordPress posts as his way to display his products. I now need to export all these posts into a CSV format so that I can format the CSV file and import it back ...
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1answer
331 views

SQL query to return categories and category parents

I have some categories which are not correctly defined. I.e. their parents are messed up. How can I select with SQL all categories and their parents?
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1answer
136 views

Sql syntax error

Sometimes in my error log i have this error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 ...
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2answers
69 views

Query is not work

I use this codes in my functions.php to track post views. /* Functions to track Post Views*/ function getPostViews($postID){ $count_key = 'post_views'; $count = get_post_meta($postID, $count_key, ...
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3answers
403 views

Migrated to Namecheap, now Trouble with Database & wp-config [closed]

I have been using a free web host while I set up my WP site. Now that it's all done I went and bought hosting from Namecheap. I uploaded the site and WordPress and everything seems to look fine, but ...
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1answer
731 views

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

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
1k views

Using AJAX to run sql statement and populate dropdown

I am trying to create a search where the user select two different bit of data from databases and it them prints some results that meet requirements. I know I need to use ajax or something similar but ...
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1answer
383 views

SQL query add only posts with custom field to array

I have this SQL query which is building an array of wordpress posts... $query = "select $wpdb->posts.* from $wpdb->posts,$wpdb->terms,$wpdb->term_taxonomy,$wpdb->term_relationships ...
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0answers
189 views

Retrieve/get current image from Nextgen gallery db

I thought that I can do it using the database where the idea was to get the image from the ngg_gallery_pictures table, where the browser URL is equal to URL of the image in the table. Then I will get ...
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1answer
459 views

SQL Query members by profile fields Buddypress [closed]

i am trying to add a profile based search option into my existing plugin. my plugin already search members by distance within a certain radius and i want to add the option to filter results by profile ...
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1answer
69 views

List recent 25 blogs across the network

I need to list recent 25 blogs in the network with their title. How to edit this code ? $bcount = get_blog_count(); global $wpdb; $blogs = $wpdb->get_results($wpdb->prepare("SELECT * FROM ...
3
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2answers
429 views

Sharing database for collaborative development

Is there a straightforward way to share/sync multiple WP instances with a single database? I work collaboratively with several developers on custom themed sites. We use git to keep our files in order ...
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1answer
214 views

Show array of meta_value in Edit Post Coloum

what I'm trying to do is add a new coloumn to Edit post page (done) and in that coloumn show data taken from a set of custom fields (partially done). This is my code (I use it as a plugin so it ...
2
votes
1answer
292 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 ...
3
votes
3answers
2k views

SELECT max(meta_value) FROM wp_postmeta WHERE meta_key='price'… stops working when value is over 999

Overview: I am not trying to return a post. I simply want the single highest value for a particular meta_value across all posts... just the value itself. Details: I have added a custom meta_key ...
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votes
1answer
861 views

get_results on large datasets

I am experimenting some very disturbing problem using a custom SQL query. I have a custom MySQL table called trading_datas having 165 lines for 4,4Mo. One field datas of my table is a big serialized ...
0
votes
1answer
47 views

post id not displaying

I have used this code in header.php ### get the author info global $current_user; get_currentuserinfo(); $authorid = $current_user->ID; ### get the last post id using author id ...
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1answer
336 views

Alter SQL query to return posts with unique custom field value, no duplicate values

I currently have a list of posts with the custom field "Name," with several posts having the same value for "Name." I would like to retrieve a list of posts that all have unique values for "Name." ...
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3answers
2k 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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votes
1answer
75 views

Adding profile data to database

I added a custom field to my wordpress user profile page that asks a user what their favorite browser is. I have the field on the profile.php page, but how can I get this field into my sql database? ...
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1answer
391 views

How to get from sql query page id and retrieve it url and title

Conditions: Page have template, for example: /* Template name: News */ Explaining: We have many pages, and one page with assigned template (/* Template name: News */). I want on main page ...