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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Heavy SQL queries

I have got rid of one of SQL problems but the story isn't over. Now hoster has detected another problematic SQL query and again threatens to disable the account. Can anyone advise on what's going on ...
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2answers
881 views

How to properly sanitize strings without $wpdb->prepare?

I'm working on an advanced search (which uses custom sql queries), and the query string is formed using variables. For example, if the person checks some options, only those conditions get added to ...
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360 views

Install WordPress with SQL database

I am very new to WordPress. I didn't even know it existed until I had to do it for my work. So I started in with a WAMP server with WordPress. That worked fine until we needed multiple sites with ...
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1answer
82 views

How do I query for posts by custom meta and those that have been stickied?

I realize how clumsy and inefficient this query is but SQL is not my strong point. I use the following query to pull the latest 8 events from a custom post type called Event Posts. However, I also ...
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1answer
55 views

Advanced search: roles and multiple taxonomies

I have a site with custom roles, and custom taxonomies. I'm making the advanced search, where custom posts can be filtered by roles and taxonomies. To accomplish this, I'm using my own custom SQL ...
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1answer
126 views

wpdb query problem to access previous 3 days posts

I am trying to get all published posts titles by author id 2 most recent by post date for the last days. Here is my query: "SELECT post_title FROM $wpdb->posts WHERE post_status = 'publish' AND ...
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124 views

Special Query: Title, Terms, Content - %LIKE%

I'm working on a them theme that is search-heavy, and my users are putting huge priority on an improved search function. I think I will have to use a special direct query to search these things: ...
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1answer
260 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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2answers
828 views

Woocommerce: Grab total revenue of a product over all orders

I need to display the total revenue of all orders for my products depending on if the logged-in user is the author of the product or not. I can't use the Quantity field as a multiplier either because ...
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236 views

Convert date format in meta

I have been storing date format in meta key/value. I have been storing in this format (mm/dd/YYYY) now I need to convert that into (YYYYMMDD) SO I can run a date match in query. Please advice how can ...
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2answers
85 views

Query posts based on parents attribute

This is the scenario: I have multiple pages that all have a custom field named "Location" Those pages all have child-pages with the custom field of "size_m2". What I want is to do a normal meta_query ...
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1answer
778 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
154 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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0answers
86 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
455 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
63 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
85 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
44 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
190 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
77 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
100 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
1k 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 ...
2
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1answer
84 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
357 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 ...
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1answer
279 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
404 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
739 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
79 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
114 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
377 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
125 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
155 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
322 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
264 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 ...
4
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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 ...
3
votes
2answers
876 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
55 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
328 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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votes
1answer
359 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?
2
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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
70 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
428 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 ...
1
vote
1answer
812 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
2k views

Using AJAX to run SQL statement and populate dropdown

I am trying to create a search where the user selects two different bits of data from the database and it then prints some results that meet requirements. I know I need to use AJAX, or something ...
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1answer
397 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
192 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 ...
0
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1answer
484 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 ...