WebMongoDB Web9 jul. 2024 · How to write switch/case condition in Mongodb $match aggregate. I have a collection named Projects; In this collection, I have a field for project's currency and a …

arrays - MongoDB $elemMatch $in - Stack Overflow

WebNew answer. Limiting the list of sub-documents to those matching the query is as of now not possible using find().Please take aggregate() instead or take one of the following possibilities:. You could either get all the sub-documents of the matching document by adding the array-property in the projection: WebExplanation: In the suggested answer there a JSON object inside of the list and here I have a particular value where only the Pid is am aware of the Registration value is received from another table is matched with the value of Registration in this particular record and then displayed as a single record without showing other Pid and Registration. cff schedule

mongodb - Make $elemMatch (projection) return all objects that …

Web29 jul. 2014 · I have MongoDB documents structured like this: {_id: ObjectId("53d760721423030c7e14266f"), fruit: 'apple', vitamins: [ { _id: 1, name: 'B7', usefulness: 'useful ... Web7 jun. 2011 · I am using the 10Gen sanctioned c# driver for mongoDB for a c# application and for data browsing I am using Mongovue. Here are two sample document schemas: WebDefinition $switch Evaluates a series of case expressions. When it finds an expression which evaluates to true, $switch executes a specified expression and breaks out of the control flow. $switch has the following syntax: $switch: { branches: [ { case: < expression >, then: < expression > }, { case: < expression >, then: < expression > }, ... ], cff script