mongoose find by and delete
Campground.findByIdAndRemove(req.params.id, function(err){
if(err){
res.redirect("/campgrounds");
} else {
res.redirect("/campgrounds");
}
});mongoose find by and delete
Campground.findByIdAndRemove(req.params.id, function(err){
if(err){
res.redirect("/campgrounds");
} else {
res.redirect("/campgrounds");
}
});delete document mongoose
Tank.deleteOne({ size: 'large' }, function (err) {
if (err) return handleError(err);
// deleted at most one tank document
});how to delete popultate subdocument mongoose
exports.feed = function (req, res) {
var userIds = req.user.friends;
Surf
.find({user_id: {$in: userIds}})
.populate('user_id', 'name boards') // added boards
.populate('friends', 'name')
// .populate('board_id', 'name size') // can't do this as discussed
.exec(function (err, surfs) {
if (err) {
return handleError(res, err);
}
surfs.forEach(function (surf) {
surf.boardInfo = surf.user_id.boards.id(surf.board_id)
});
// TODO: now remove the surf.user_id.boards.
return res.json(200, surfs);
});
};mongoose remove
const res = await Character.remove({ name: 'Eddard Stark' });
res.deletedCount; // Number of documents removedCopyright © 2021 Codeinu
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