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El operador posicional Mongodb no funciona

Cuando intento actualizar solo "título", funciona bien, pero si intento actualizar el objeto anidado en la matriz, no funciona.

Datos: Datos

Laboral:

 const restaurant = await Restaurant.update( {_id: '60e6828e4992a2979fa0ba3e'}, {$set: {title: "Hello}}, );

No funciona:

 const restaurant = await Restaurant.update( {_id: '60e6828e4992a2979fa0ba3e', 'grades.grade': 85}, {$set: {'grades.$.grade': 0}}, );
over 4 years ago · Santiago Trujillo
1 answers
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0

Demostración: https://mongoplayground.net/p/caFBz-lx8dQ

Usar $[]

El operador posicional filtrado $[] identifica los elementos de la matriz que coinciden con las condiciones de arrayFilters para una operación de actualización

 db.collection.update( {}, { $set: { "grades.$[elem].grade": 0 }}, { arrayFilters: [ {"elem.grade": 85 } ]} )
over 4 years ago · Santiago Trujillo Report
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