Ошибка базы данных WordPress: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND post_status = 'completed'' at line 1]
select post_parent from wp_posts WHERE post_type = 'tutor_enrolled' AND post_author = AND post_status = 'completed';

Ошибка базы данных WordPress: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 5]
SELECT comment_post_ID as course_id from wp_comments WHERE comment_agent = 'TutorLMSPlugin' AND comment_type = 'course_completed' AND user_id = ;

Ошибка базы данных WordPress: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND wp_usermeta.meta_key = '_tutor_instructor_course_id' AND wp_usermeta.meta_va' at line 3]
SELECT wp_posts.* FROM wp_posts INNER JOIN wp_usermeta ON wp_usermeta.user_id = AND wp_usermeta.meta_key = '_tutor_instructor_course_id' AND wp_usermeta.meta_value = wp_posts.ID WHERE 1 = 1 AND wp_posts.post_status IN('publish') AND wp_posts.post_type = 'courses' ORDER BY wp_posts.post_date DESC

Ошибка базы данных WordPress: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND status != 'rejected' ) as withdraws_amount, ' at line 4]
SELECT SUM(course_price_total) as course_price_total, SUM(course_price_grand_total) as course_price_grand_total, SUM(instructor_amount) as instructor_amount, (SELECT SUM(amount) FROM wp_tutor_withdraws WHERE user_id = AND status != 'rejected' ) as withdraws_amount, SUM(admin_amount) as admin_amount, SUM(deduct_fees_amount) as deduct_fees_amount FROM wp_tutor_earnings WHERE user_id = AND order_status IN('wc-completed','completed','complete')

Ошибка базы данных WordPress: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND post_status IN ('publish', 'pending') AND post_type = 'courses'' at line 4]
SELECT ID, post_author, post_title, post_name,post_status, menu_order from wp_posts WHERE post_author = AND post_status IN ('publish', 'pending') AND post_type = 'courses'