MySQL is an open-source, relational database management system.

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1answer
69 views

Slow Wordpress admin panel with a total query time of 1664ms

I have a problem with my wordpress website, he is realy slow, i installed a debug bar to check queries in the home page, the result is like: 202 queries, and a total query time equal to 1665ms The ...
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0answers
78 views

Getting categories from DataBase & WP Favorite Post

I am trying to create a shortcode that pull the most saved posts (using WP Favorite Post) and displaying them by YEAR, MONTH or CATEGORY. So far I have been able to get the year and month working ...
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0answers
17 views

How to migrate the posts from an old custom legacy blog to a new WordPress website?

I have to migrate the posts of a very old custom legacy blog made in ASP (the posts are stored in a MySql table) into a new WordPress blog. So I need your help to find the smartest solution to do it, ...
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2answers
340 views

How many Wordpress SQL Queries per page?

I am on a shared hosting which has a limitation at MySQL queries per hour. My shows unable to connect to database because of this. Can anyone tell me how many queries are per page on a wordpress site ...
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0answers
49 views

Get a list of the last posts grouped by author and filtered by category

i need a list of the latest post published by various authors, but filtered by category, like for example the latest posts of author that write about music. i wrote this query and looks like working ...
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1answer
69 views

retrieve wordpress post-meta using php not wordpress functions

I am trying retrieve wordpress postmeta USING PHP not WORDPRESS functions, it needs to be in php no wordpress functions please. this is what I have: $resultat = mysqli_query($con,"SELECT * FROM ...
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1answer
48 views

Which is better and faster ? Wordpress Queries or SQL Query

Suppose I am developing a minimal theme, the the post page single.php displays only the post title, the excerpt and the content. So in general that would be <?php the_title(); ?> <?php ...
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2answers
240 views

mySQL queries are executed twice on wordpress website

I'm sorry for my english. I'm trying to add some functionalities at my Wordpress website and to do this i have added a function in my function.php theme. The idea is to save in a custom table some ...
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1answer
1k views

Split WP install between 2 databases?

Is it possible for Wordpress to work from two databases? The reason I ask is that we're approaching our 100mb limit for database size on our host (1and1) but have up to 100 databases, so what I was ...
1
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2answers
92 views

Add “Category” to Mysql Query

i need your help :) I've made this custom Mysql query on WordPress: $querystr = " SELECT DISTINCT meta_value FROM $wpdb->postmeta WHERE post_id IN( SELECT DISTINCT ...
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1answer
39 views

WP_Query hit max joins… How else can I build a search function that uses custom fields?

I'm trying to search a custom post type of "Properties", while doing so I'm also searching the custom fields using multiple (anywhere from 5-30) meta_queries. The problem is Wordpress or MySQL is ...
0
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1answer
70 views

Get author posts count after excluding a category

I want to display the posts count of each author, but posts that are in some categories should be excluded from the count. I tried doing this with count_user_posts( $user->ID ), but this function ...
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0answers
104 views

Writing directly to WP_Posts table

We directly add posts to WP_Posts table using filemaker. Once the post has been published, however, wordpress seems to be disregarding the existence of certain fields. For example, we have data in ...
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1answer
75 views

Adding custom tables to Wordpress

I have a database which has thousands of rows of data in each of the tables. I would like to migrate this database into a Wordpress website. I would like the user to be able to log in to Wordpress ...
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vote
3answers
1k views

importing users where password is provided as md5 + much metadata

I have a spreadsheet that was provided to me of users to import to a new site I have built. I was provided with the password in MD5 hash form. I suspect if I insert this into the password field in ...
0
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0answers
67 views

Does Anyone Know How To Shard A MYSQL Database With HypderDB?

I have a woocommerce site with 80,000 products. It's on pretty speedy VPS (8GB RAM, 4CPUs, SD hard drives) and it's configured pretty well (nginx, php-opcode caching, w3 total cache, etc.) but when ...
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0answers
39 views

How to fetch post and related information from post and postmeta table in WordPress?

I want to fetch post information and its related meta information in WordPress setup. Is it possible from single SQL Query? Post table columns: ID, post_title, post_content Post Meta columns: meta_id, ...
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0answers
82 views

Importing data from database to WP_list_table

How can I import data from a table where Ive got : ID, Name, LastName, Adress and class and by the way, how do I create this plug-in? Any examples?
7
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4answers
4k views

How can I find the source of slow queries in Wordpress?

I have a WordPress site with more than 8000 posts and everytime I add a new one the site becomes unresponsive. I checked the MySQL slow queries log and found out that it is performing a select that ...
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0answers
156 views

call stored procedure without parameters

I asked this question last week, but then I deleted it because it was stated to be off-topic because I use a function within buddypress. However, I am convinced that whatever I am doing wrong is more ...
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1answer
33 views

Active DB queries in Wordpress?

I just make some researches regarding to wordpress DB queries and I just wonder if I miss something a normal SELECT query for example in Codeigniter with active records would look like if I assume I ...
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0answers
65 views

Populating a form with SQL queries

Being a 'learning by example' kind of guy, I've populated a form using this code; <?php $meta_key1 = 'area'; $postids = $wpdb->get_col( $wpdb->prepare( " SELECT ...
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1answer
1k views

MySQL Query that looks for post with Custom Field, then changes Category

I'm looking for a MySQL Query that will look for all the posts with custom field "meta_key_I_want_to_find", then if the custom field is detected, add a category to that post. The category has already ...
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1answer
107 views

No wp-config.php file on local install of wordpress - site still displays

I've installed Wordpress locally using XAMPP and this step by step guide by Sunny Johal(Fifth post down on that page). The first time I used the step by step and ran all 3 of the SQL codes(UPDATE ...
2
votes
1answer
1k views

How can I debug my database connection for unit testing?

I've set up a wordpress environment on my Mac with MAMP and I'm running 3.5.1 locally (i.e. http://localhost:8888/blog works). I'm trying to run the unit test suit from wordpress.org and having ...
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0answers
95 views

Change post category via MySQL

I'm currently building a management program that works separately from Wordpress but interacts directly with the Wordpress MySQL database. I have it working updating, adding and deleting posts and ...
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votes
2answers
32 views

SQL Database Lost

I lost my database and when they restored the files, I had two files in a database directory that I assume are the data for my database. How do I recover my database using these two files. ...
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1answer
460 views

Large Woocommerce Site (83,000 items), What Can I Do? [closed]

So I have a really large woocommerce site (partsboss.co) that has around 83,000 items. It's on VPS hosting with digitalocean, and things were running super fast until around 50,000 items. Now the ...
3
votes
2answers
842 views

How to prevent execution of default query, while preserving ability to use WP_Query in template?

PROBLEM: I'am trying to prevent execution of default WordPress query for custom category template. I have found a possible solution, but looks like it preventing execution of all post queries: ...
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1answer
30 views

Why this query is not showing any result on wordpresss home page?

I am learning wordpress database, And I have written this query for showing the data from the post table with id=2, but not showing anything. What is wrong with the following query? please help. ...
0
votes
1answer
97 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, ...
1
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1answer
194 views

wpdb insert and boolean fields

I'm preparing an insert query like this: $wpdb->insert('table', $data, $format); data array will be: $data = array_push($data, 'resp' => true) problem is, what $format shall i use for a ...
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2answers
65 views

Grouping posts by a custom meta value

I'm trying to output a list of dates that are held in a meta key called event_dates without duplicates. I've also tried a wp_query with a meta_compare but I'm not able to make that work either. Any ...
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2answers
2k views

Alternative to mysql_real_escape_string

I have a WordPress plugin that at one point I need to see if a certain title exists in the database. For 2 years, this code worked fine: $myposttitle= $wpdb->get_results( "select post_title ...
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0answers
46 views

How to create and display survey and its statistics?

I am making a new website which will basically have 5 questions of Consumer Confidence Index. So my task is to create a survey which should display in homepage take answers for each 5 key questions, ...
0
votes
1answer
42 views

Update postmeta after theme switch

I am trying to update the postmeta table when I switch themes. I am updating the metavalue to be template-name.themename.php. However, this only works with the default themes in wordpress. If I go ...
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0answers
221 views

Would manually deleting the dumping data fix a “#1062 - Duplicate entry '1' for key 'PRIMARY'” phpMyAdmin error?

I'm new to PHP! I'm trying to import an SQL database file into myPhpAdmin for a WordPress I'm migrating, but I keep getting this error message: SQL query: `-- -- Dumping data for table ...
2
votes
2answers
3k views

Get Previous & Next posts by Post ID

How can I go about getting the previous and next posts from outside the loop? Everything I try to do aside from the custom SELECT query (using get_posts or WP_Query) breaks stuff further down the ...
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0answers
41 views

Whats the Mysql Query to Find each display_name stored in wp_postmeta.meta_value, grouped by username?

I created a custom content type that contains some fieds tos store user names (display name), thru a meta.key that is called 'opr'. Now i want a mysql query to find all custom postss date ...
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2answers
58 views

Plugin generating unexpected output - on WP mysql dump import

I am developing my plugin and I am getting this error: The plugin generated 357954 characters of unexpected output during activation. If you notice “headers already sent” messages, problems with ...
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0answers
146 views

Slow meta_query with about 4 milion record on wp_postmeta

Although optimized wordpress all the way but still very slow as follows : I have converted from LONGTEXT meta_value field to TEXT Then create INDEX for this field ALTER TABLE wp_postmeta ADD INDEX ...
1
vote
2answers
126 views

Single meta_query query using OR instead of AND in request's WHERE statement

I want the native WordPress search input to search metadata in addition to its standard title and content search, however setting a meta_query adds an AND clause to the request when what I need is an ...
1
vote
2answers
4k views

WordPress mysqli and PDO

Does wordpress code base use mysqli or PDO? I know PDO is superior to mysqli but mysqli is not bad neither. Plus from one of the features of what makes PDO is superior to mysqli ( that is being ...
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0answers
26 views

Unable to run wordpress site in WebMatrix after database credential change (db_name, db_user, db_password)

Well, I assumed this would be much easier. I set up wordpress using the Web Platform Installer. It ran with the database it automatically created for me (DB_NAME: wordpress960, DB_USER: ...
0
votes
1answer
107 views

Massive Tags Remove Using MySQL

I am using WordPress 3.4.2 for one of my site and currently it has 38,251 tags Now i want to remove all Tags from my site, so which way will be more safe to truncate every tags my site has.
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1answer
164 views

How Do I Delete WordPress Posts Older Than 400 Days, From A WordPress Category

I have tried the following phpMyAdmin query in an effort to delete all posts, from wordpress category 378, that are over 400 days old. delete a,b,c,d FROM wp_posts a LEFT JOIN wp_term_relationships b ...
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0answers
67 views

Splash pages on a high traffic site

Could use some advice here. We have a fairly high traffic site web site using WordPress. Currently we have two VPS servers managing the site, one that holds WP, one that holds MySQL. The WP servers ...
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1answer
181 views

How Do I Merge Categories With phpMyAdmin

I tried the following phpMyAdmin query to merge my category 112747 into my category 112748: UPDATE wp_term_relationships SET term_taxonomy_id = 112747 WHERE term_taxonomy_id = 112748; It did not ...
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1answer
39 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 ...
2
votes
0answers
246 views

How to let a user choose an authors and save it to the database?

I have a multi-author Wordpress site which reads different rss feeds and posts them to my page. I was wondering if it is possible to make a code that would provide an opportunity to registered user ...