{"id":1289758,"date":"2017-05-27T04:47:08","date_gmt":"2017-05-27T11:47:08","guid":{"rendered":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/"},"modified":"2017-05-31T13:20:55","modified_gmt":"2017-05-31T20:20:55","slug":"long-query-due-to-update_meta_cache","status":"closed","type":"topic","link":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/","title":{"rendered":"LONG QUERY DUE TO UPDATE_META_CACHE"},"content":{"rendered":"<p>Hello,<\/p>\n<p>We face a dramatic issue : all posts published (events and regular post as well) activate wp-include\/meta :<br \/>\n\/\/ Get meta info<br \/>\n$id_list = join(&#8216;,&#8217;, $ids);<br \/>\n$cache = array();<br \/>\n$meta_list = $wpdb-&gt;get_results( $wpdb-&gt;prepare(&#8220;SELECT $column, meta_key, meta_value FROM $table WHERE $column IN ($id_list)&#8221;,<br \/>\n$meta_type), ARRAY_A );<\/p>\n<p>This update of the cache causes very long queries (a list of hundreds of ID is included inside). This uses a large consumption of memory and slow down the database.<\/p>\n<p>Could you tell me how to stop running this please ?<\/p>\n<p>Regards,<\/p>\n<p>Nicolas<\/p>\n","protected":false},"template":"","class_list":["post-1289758","topic","type-topic","status-closed","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LONG QUERY DUE TO UPDATE_META_CACHE -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LONG QUERY DUE TO UPDATE_META_CACHE -\" \/>\n<meta property=\"og:description\" content=\"Hello, We face a dramatic issue : all posts published (events and regular post as well) activate wp-include\/meta : \/\/ Get meta info $id_list = join(&#8216;,&#8217;, $ids); $cache = array(); $meta_list = $wpdb-&gt;get_results( $wpdb-&gt;prepare(&#8220;SELECT $column, meta_key, meta_value FROM $table WHERE $column IN ($id_list)&#8221;, $meta_type), ARRAY_A ); This update of the cache causes very long queries [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/\" \/>\n<meta property=\"article:modified_time\" content=\"2017-05-31T20:20:55+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/\",\"url\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/\",\"name\":\"LONG QUERY DUE TO UPDATE_META_CACHE -\",\"isPartOf\":{\"@id\":\"https:\/\/theeventscalendar.com\/support\/#website\"},\"datePublished\":\"2017-05-27T11:47:08+00:00\",\"dateModified\":\"2017-05-31T20:20:55+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/theeventscalendar.com\/support\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\/\/theeventscalendar.com\/support\/topics\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Calendar Products\",\"item\":\"https:\/\/theeventscalendar.com\/support\/forums\/forum\/events\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Events Calendar PRO\",\"item\":\"https:\/\/theeventscalendar.com\/support\/forums\/forum\/events\/events-calendar-pro\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"LONG QUERY DUE TO UPDATE_META_CACHE\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/theeventscalendar.com\/support\/#website\",\"url\":\"https:\/\/theeventscalendar.com\/support\/\",\"name\":\"\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/theeventscalendar.com\/support\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"LONG QUERY DUE TO UPDATE_META_CACHE -","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/long-query-due-to-update_meta_cache\/","og_locale":"en_US","og_type":"article","og_title":"LONG QUERY DUE TO UPDATE_META_CACHE -","og_description":"Hello, We face a dramatic issue : all posts published (events and regular post as well) activate wp-include\/meta : \/\/ Get meta info $id_list = join(&#8216;,&#8217;, $ids); 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