get post meta query wordpress

Do be warned though, woocommerce created 300K+ rows in my meta table, so it was very large, and therefore very slow. The best answers are voted up and rise to the top, Not the answer you're looking for? Is it usual and/or healthy for Ph.D. students to do part-time jobs outside academia? I always think, "Give as much work as possible to the database." 6 Answers Sorted by: 79 What you are asking for is a meta_query $args = array ( 'meta_key' => 'custom-meta-key', 'meta_query' => array ( array ( 'key' => Asking for help, clarification, or responding to other answers. To show the last ten posts sorted alphabetically in ascending order, the following will display their post date, title and excerpt: Display a list of 5 posts selected randomly by using the MySQL RAND() function for the orderby parameter value: Do this inside The Loop (where $post->ID is available). Learn more about bidirectional Unicode charactersShow hidden characters To learn more, see our tips on writing great answers. function filterquery( $admin_query ){ global $pagenow; if ( is_admin() && $admin_query->is_main_query() && in_array( $pagenow, array( 'edit.php' ) ) && ( ! Source: Update any date to the current date in a text file. I want to create a table on a page in the plugin to show each post and the number of likes. Wordpress orderby also accepts the value post__in. Like this: add_post_meta ($_POST ['post_id'], 'users_touched_ids', $current_user->ID); Pre_get_posts meta query filter posts. I want to know why my site's search results are slow. To review, open the file in an editor that reveals hidden Unicode characters. search Does get_post_meta run a query each time? Heres how to get all posts by post meta key and meta value with meta_query in WordPress: The first step is to create a new instance of the WP_Query class. Why can C not be lexed without resolving identifiers? Use category slug (not name, this or any children). Would that end up being quicker than an single ever-more-complex SQL query, if that's even possible? An empty string if a valid but non-existing object ID is passed. The last two (arguments) will return an array of stdClass objects. IN operator for ACF query is not working; as meta values are stored in serialized form in DB. The first step of hand-drawn batik (batik tulis) requires skill to apply melted wax designs onto the cloth. Next, use that filter right before you run your query to get your likes field back in each post. He was our first production partner many years ago. You can change your preferences any time in your Privacy Settings. Each have parameters that reflect this difference in implementation. WebDisplay posts of type my_custom_post_type, ordered by age, and filtered to show only ages 3 and 4 (using meta_query). WebBut what you could do is run two separate queries to get all of the IDs that qualify, and then use those IDs in a 3rd query with post__in. Retrieves comment meta field for a comment. get_posts, on the other hand, simply references a new WP_Query object, and therefore does not affect or alter the main loop. get_posts() | Function | WordPress Developer Resources MySQL data type that the meta_value column will be CAST to for comparisons. The best answers are voted up and rise to the top, Not the answer you're looking for? if ($like_loop->have_posts ()): while ($like_loop->have_posts ()): $like_loop->the_post (); global $post; Then. Frozen core Stability Calculations in G09? Following example displays posts tagged with jazz, under genre custom taxonomy, using tax_query: Refer to the taxonomy parameters section of the WP_Query documentation for more examples. WebWhen getting the post meta, you'd do. Exactly as pictured, the color is gorgeous and a great material. Please reference the Codex entry for post/page parameters for WP_Query (). I still had to loop through all retrieved posts to unserialize the meta_value. How do you make this call using arrays..   Germany   |   English (US)   |   (EUR), remembering account, browser, and regional preferences, remembering privacy and security settings, personalized search, content, and recommendations, helping sellers understand their audience, showing relevant, targeted ads on and off Etsy, remember your login, general, and regional preferences, personalize content, search, recommendations, and offers. How to professionally decline nightlife drinking with colleagues on international trip to Japan? Returns an array of WP_Post objects with attributes. Get Congratulations. Whats new in Gutenberg 16.1? (29 June) Make WordPress Core 1 Answer. I need to retrieve O(2000) posts. I ran into the multiple value meta fields problem as well. The problem is with WordPress itself. Look in wp-includes/meta.php. Look for this line: This query reduced my time when I was using WP_Query from ~25 secs to ~3 secs. wordpress Here's the problem: I have a single transaction that does an UPDATE of a single postmeta field of a single product. View all references. * @todo Change the `prefix_` and with your own unique prefix. I tried it using Otto's suggestion - running WP_Query::query for all posts, and then looping through and running get_post_custom for each post. hosted with by GitHub. If you have an array of custom post types you can also order the results by post_type name, this works if you need to group the results. You can use the following code to get all posts with a specific post meta key and meta value:

$args = array(post_type => post,meta_query => array(array(key => my_meta_key,value => my_meta_value,),),);$query = new WP_Query( $args );

. query also have tried to change the field to slug from What are the benefits of not using private military companies (PMCs) as China did? Often they are shared among many sites, and overloaded to some degree. Is it usual and/or healthy for Ph.D. students to do part-time jobs outside academia? In general, you want to just get the data you want out of the DB as fast and simply as possible, then do the sorting out of it using the web-server-side code. Is there a universal ADB interface for microcontrollers? Webadd_action( 'pre_get_posts', 'wpdocs_url_search_modifications' ); function wpdocs_url_search_modifications( $query ) { if ( $query->is_search && ! incredible blue and lovely design! Accepts numbers 1-12. Regardless of which method I use to get the data, I definitely want to cache the result. what you want is to change your OR to AND. WordPress Development Stack Exchange is a question and answer site for WordPress developers and administrators. Asking for help, clarification, or responding to other answers. Translate to English. Thanks for contributing an answer to Stack Overflow! If you used include to retrieve specific posts, the posts will be supplied in the order you supplied to include. NB: before the wordpress 3.9 there is a bug So this is the work around. What are the white formations? wordpress Yes! c cc tham s trong WP_Query Don't use query_posts. Step 1: Create a new WP_Query object The first step is to create a new instance of the WP_Query class. Do I owe my company "fair warning" about issues that won't be solved, before giving notice? query posts WebSort retrieved posts by parameter. Also, have to change the max_allowed_packet MySQL setting. Learn more about Stack Overflow the company, and our products. Connect and share knowledge within a single location that is structured and easy to search. rev2023.6.29.43520. So, question 1: Is there a join, sub-query, or whatever, to bring in multiple-value meta fields? We produced batik together with Hartono from 2005 to 2010. If so is there a better way to do this so I don't run a query each time? Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions. They produce many of our scarves and homewares. You can click on this link to see how this works: https://codex.wordpress.org/Function_Reference/get_posts#Custom_Field_Parameters query_posts also uses WP_Query, but is not recommended because it directly alters the main loop by changing the variables of the global variable $wp_query. Then the URL looks likes: Oops! This is resolved by calling an internal function setup_postdata(), with the $post array as its argument: To access a posts ID or content without calling setup_postdata(), or in fact any post-specific data (data retained in the posts table), you can use $post->COLUMN, where COLUMN is the table column name for the data. * Get all post by post meta key and meta value. get Heres how to do it: This will create a new WP_Query object with the post_type parameter set to post and the meta_query parameter set to an array containing a single array with the meta key, meta value, and comparison operator. Please try again. Note: Im giving you an imaginary example just for a reference to understand, In which situation you can use below code snippet. 'meta_query' => array ( array ( 'key' => 'front_page', 'value' => 'yes', 'compare' => 'LIKE', )) please refer the tutorial for step by step explanation. If true this is suppose to echo the : Promotion