WordPress database error: [Can't create/write to file '/tmp/#sql-temptable-15df3e-6bcf-50022.MAI' (Errcode: 28 "No space left on device")]
SHOW COLUMNS FROM `wpou_external_url_as_post_featured_image_thumbnail__errors_log` LIKE 'function_name'

WordPress database error: [Can't create/write to file '/tmp/#sql-temptable-15df3e-6bcf-50023.MAI' (Errcode: 28 "No space left on device")]
DESC `wpou_external_url_as_post_featured_image_thumbnail__errors_log`

WordPress database error: [Duplicate column name 'function_name']
ALTER TABLE `wpou_external_url_as_post_featured_image_thumbnail__errors_log` ADD `function_name` longtext NOT NULL AFTER gmdate