MongoDeleteOne (Function)

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MongoDeleteOne (Function)

In french: MongoSupprimeUn

Deletes a document from a collection in a MongoDB database.

Example

MyCollection is mongoCollection
let sFilter = "{ ""name"": ""Andy"" }"
let sSort = "{ ""rating"": 1 }"
let d = MongoDeleteOne(MyCollection, sFilter, sSort)

// Delete the first contact whose "FirstName" member is set to "Joey"
// Search filter
sFilter is string = "{ ""FirstName"": ""Joey"" }"
MongoDeleteOne(gclCollection, sFilter)

Syntax

<Result> = MongoDeleteOne(<Collection> , <Filter> [, <Sort>])

<Result>: Variant

Deleted document.
If a problem occurs, ErrorInfo is used to identify the error.

<Collection>: mongoCollection variable

Name of the mongoCollection variable that represents the MongoDB collection in which the deletion is performed.

<Filter>: Type corresponding to the filter used

Description of filters in MongoDB format that will be applied to select the document to delete. This filter corresponds to:
a document in JSON format, in character string format.
a document in BSON format, in buffer format.
a variant.

<Sort>: Optional type corresponding to the format used

Sort options used to define the first document that will be deleted when several documents correspond to the filter. Corresponds to:
a document in JSON format, in character string format.
a document in BSON format, in buffer format.
a variant.

Related Examples:

Unit examples (WINDEV): Native access to MongoDB

[ + ] This example shows how to use the main functions of native access to MongoDB databases: adding data, reading (searching), modifying and deleting data in the database. The example also shows functions for saving files in the MongoDB GridFS data system.

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