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Stored procedures
Deletes a document from a collection in a MongoDB database.
Example
let sFilter = "{ ""name"": ""Andy"" }"
let sSort = "{ ""rating"": 1 }"
let d = MongoDeleteOne(MyCollection, sFilter, sSort)
// Deletes 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 mongoCollection variable representing the collection of MongoDB database from 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:
Native access to MongoDB 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.
Components
WINDEVWEBDEV - Server codeReports and Queries wd230big.dll
Minimum required version
  • Version 22
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