Пример агрегированного мангуста
Примерен код
агрегат за мангустов
const aggregate = Model.aggregate([
{ $project: { a: 1, b: 1 } },
{ $skip: 5 }
]);
Model.
aggregate([{ $match: { age: { $gte: 21 }}}]).
unwind('tags').
exec(callback);как да използвате агрегат мангуста
new Aggregate([{ $match: { _id: '00000000000000000000000a' } }]);
// Do this instead to cast to an ObjectId
new Aggregate([{ $match: { _id: mongoose.Types.ObjectId('00000000000000000000000a') } }]);
Подобни страници
Подобни страници с примери
На други езици
Тази страница на други езици
empty row
Русский
..................................................................................................................
English
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................
Íslensk
..................................................................................................................
Популярно в тази категория
Популярните страници с примери в категория
empty row