Delete multiple tables in a single query with join in rails 5 - ruby-on-rails

Question

This is my query in rails, I want to delete entries from feed and feed mappings table which match certain conditions in a single query, If I use destroy_all it deletes items one by one, first it will delete feed and then feed_mappings for each entry, whereas If I can just change the Select statement on the resulting query into Delete feed, feed_mappings I can delete everything in one query. Help me solve this problem in a single query.
Feed.joins(:feed_mappings)
.joins('inner join notifications on notifications.id = feed_mappings.source_id')
.joins('inner join user_feedbacks on user_feedbacks.source_id = notifications.picked_for_company')
.joins('inner join user_feedback_contexts on user_feedback_contexts.user_feedback_id = user_feedbacks.id')
.where(user_feedbacks: {source_type: 'Company', user_id: user.id},
user_feedback_contexts: {context: 'block'},
notifications: {user_id: user.id},
feed_mappings: {source_type: 'Notifications::Notification'})
This generates
SELECT `feeds`.* FROM `feeds`
INNER JOIN `feed_mappings`
ON `feed_mappings`.`feed_id` = `feeds`.`id`
INNER JOIN notifications
ON notifications.id = feed_mappings.source_id
INNER JOIN user_feedbacks
ON user_feedbacks.source_id = notifications.picked_for_company
INNER JOIN user_feedback_contexts
ON user_feedback_contexts.user_feedback_id = user_feedbacks.id
WHERE `user_feedbacks`.`source_type` = 'Company'
AND `user_feedbacks`.`user_id` = 6
AND `user_feedback_contexts`.`context` = 'block'
AND `notifications`.`user_id` = 6
AND `feed_mappings`.`source_type` = 'Notifications::Notification'
What I want instead
DELETE `feeds`, `feed_mappings` FROM `feeds`
INNER JOIN `feed_mappings`
ON `feed_mappings`.`feed_id` = `feeds`.`id`
INNER JOIN notifications
ON notifications.id = feed_mappings.source_id
INNER JOIN user_feedbacks
ON user_feedbacks.source_id = notifications.picked_for_company
INNER JOIN user_feedback_contexts
ON user_feedback_contexts.user_feedback_id = user_feedbacks.id
WHERE `user_feedbacks`.`source_type` = 'Company'
AND `user_feedbacks`.`user_id` = 6
AND `user_feedback_contexts`.`context` = 'block'
AND `notifications`.`user_id` = 6
AND `feed_mappings`.`source_type` = 'Notifications::Notification'

Answer 1

All the joins complicates things, but does the following work?
Feed.joins(:feed_mappings)
.joins('inner join notifications on notifications.id = feed_mappings.source_id')
.joins('inner join user_feedbacks on user_feedbacks.source_id = notifications.picked_for_company')
.joins('inner join user_feedback_contexts on user_feedback_contexts.user_feedback_id = user_feedbacks.id')
.where(user_feedbacks: {source_type: 'Company', user_id: user.id},
user_feedback_contexts: {context: 'block'},
notifications: {user_id: user.id},
feed_mappings: {source_type: 'Notifications::Notification'}).delete_all
FeedMappings.joins('inner join notifications on notifications.id = feed_mappings.source_id')
.joins('inner join user_feedbacks on user_feedbacks.source_id = notifications.picked_for_company')
.joins('inner join user_feedback_contexts on user_feedback_contexts.user_feedback_id = user_feedbacks.id')
.where(user_feedbacks: {source_type: 'Company', user_id: user.id},
user_feedback_contexts: {context: 'block'},
notifications: {user_id: user.id},
feed_mappings: {source_type: 'Notifications::Notification'}).delete_all