0
votes
1answer
19 views

Copy wp_postmeta from one database to another

I had a site setup on old-domain.com, which used the database old_db. Recently, we had to migrate our website to a new server and domain, new-domain.com which uses the database new_db. I installed a ...
0
votes
0answers
12 views

Incorporating a meta query into a mysql query in wordpress

I'm trying to find a way of inserting a meta condition into this bit of SQL below... $query = "SELECT COUNT( ID ) as num_events " . "FROM $wpdb->posts " . "WHERE ...
0
votes
1answer
33 views

Custom MySQL Query for Post and Post Meta

I have a custom table called "tags" that contains a charity_id that is a reference to a post ID ... I need to query the "tags" table to grab this charity_id and then pull in the post title and a few ...
0
votes
1answer
40 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 ...
0
votes
0answers
31 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 ...
8
votes
1answer
732 views

Why are simple updates to wp_postmeta's “_edit_lock” so slow?

In our MySQL slow query log, the cumulatively slowest query is a simple update to wp_postmeta. Here's an example: UPDATE `wp_postmeta` SET `meta_value` = '1392835505:386' WHERE `post_id` = 94705 ...
0
votes
1answer
261 views

Unique Post Meta Values

I want to use Unique IDs like YouTube video IDs and WordPress post IDs in a custom field 'youtube_id'. I just created a front-end add post page and want to check if 'youtube_id' used or not used in a ...
0
votes
0answers
122 views

One-time bulk MySQL copy post_date values to Advanced Custom Field (date field)

Disclaimer First of all let me say this is probably mostly MySQL related and unfortunately I'm nearly a total newbie on database language and commands. The problem Situation is a site running ...
0
votes
1answer
144 views

Group posts by meta_key

I have a Problem with grouping meta_values. The Query looks for posts with the meta key "company". I want a unique listing of the colors like: blue red yellow array_unique was not successful and also ...
0
votes
0answers
235 views

Using mysql queries to delete custom post types based on meta_value

I am trying to create a cron job to run on my server which deletes a custom post_type (post_type = event) from my databse based on a meta_key (st_date) and a meta_value (the date the event took place ...
5
votes
2answers
270 views

Lack of composite indexes for meta tables

Why wp_commentmeta table does not have a composite index (comment_id, meta_key) by default? I believe it's the only useful index for that table, am I wrong? Instead, it has a strange set of indexes: ...
2
votes
2answers
295 views

Grouping related postmeta data via SQL query

I am using someone else's WP plugin which stores lots of related data in wp_postmeta using an "artificial key". So effectively we hijack wp_postmeta to create a nested relational database. So one row ...
3
votes
1answer
3k views

delete unused postmeta

I love the comment by s_ha_dum : http://wordpress.org/support/topic/sql-query-to-delete-postmeta and havent tried it yet, but Im wondering just how 'clever' this actually is? Does the unused postmeta ...
0
votes
1answer
780 views

mySQL query. ORDER BY meta_key

I'm fighting this quite long already and start to think I'm missing something big. CPT posts could have or not metadata ( _vip_post [0|1], _thumbnail_id [null|numeric] ). If i query for ...
0
votes
1answer
313 views

Export posts with postmeta without ID?

I have some select posts on one database that I need to export and import into a different database. Because both databases are operating independently, there is overlap with post IDs so I can't ...
1
vote
3answers
1k views

MySQL query to set wp_postmeta using term_taxonomy_id value

I have a need to set the wp_postmeta value (in table: wp_postmeta) on every post that has a specific term_taxonomy_id (in table: wp_term_relationships): Specifically: run a query against every ...
0
votes
1answer
963 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 ...
1
vote
1answer
455 views

MySQL Query To Select Post By Postmeta

I have two custom post types, type1 and type2. Type2 posts have a postmeta called postID that is the ID number of a post in type1. When showing type1 in single.php I want a mysql query that selects ...
3
votes
1answer
1k views

importing data from non-wordpress mysql db

I have created an import file to get the articles from a non-wordpress db and bring them in as posts in wordpress, I am not sure how to bring over the thumbnail image into my custom field I defined as ...