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SELECT ID FROM (SELECT * FROM (SELECT DISTINCT ID, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "startdate" AND wp_postmeta.post_id = wp_posts.ID) AS startdate, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "enddate" AND wp_postmeta.post_id = wp_posts.ID) AS enddate, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "starttime" AND wp_postmeta.post_id = wp_posts.ID) AS starttime, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "location" AND wp_postmeta.post_id = wp_posts.ID) AS location, (CONCAT("|", (SELECT GROUP_CONCAT(wp_terms.slug SEPARATOR "|") FROM wp_terms INNER JOIN wp_term_taxonomy ON wp_terms.term_id = wp_term_taxonomy.term_id INNER JOIN wp_term_relationships wpr ON wpr.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id WHERE taxonomy= "el_eventcategory" AND wp_posts.ID = wpr.object_id), "|")) AS categories FROM wp_posts WHERE post_type = "el_events" AND post_status = "publish") AS events) AS events WHERE ((enddate >= "2019-01-01" AND startdate <= "2019-12-31")) ORDER BY startdate DESC, enddate DESC, starttime ASC


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WordPress database error: [Subquery returns more than 1 row]
SELECT DISTINCT SUBSTR(`startdate`,1,4) AS listitems FROM (SELECT * FROM (SELECT DISTINCT ID, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "startdate" AND wp_postmeta.post_id = wp_posts.ID) AS startdate, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "enddate" AND wp_postmeta.post_id = wp_posts.ID) AS enddate, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "starttime" AND wp_postmeta.post_id = wp_posts.ID) AS starttime, (SELECT meta_value FROM wp_postmeta WHERE wp_postmeta.meta_key = "location" AND wp_postmeta.post_id = wp_posts.ID) AS location, (CONCAT("|", (SELECT GROUP_CONCAT(wp_terms.slug SEPARATOR "|") FROM wp_terms INNER JOIN wp_term_taxonomy ON wp_terms.term_id = wp_term_taxonomy.term_id INNER JOIN wp_term_relationships wpr ON wpr.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id WHERE taxonomy= "el_eventcategory" AND wp_posts.ID = wpr.object_id), "|")) AS categories FROM wp_posts WHERE post_type = "el_events" AND post_status = "publish") AS events WHERE 1) AS filterlist ORDER BY listitems ASC

COSMOS members meet each Friday in the conference room to discuss current research lab activities and present either a research article or book chapter.

no event