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Stored procedures
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 of the filter used
Description of the MongoDB filter(s) that will be applied to select the document to delete. This filter corresponds to:
  • a JSON document, in string format.
  • a BSON document, 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 JSON document, in string format.
  • a BSON document, 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.
Component: wd290big.dll
Minimum version required
  • Version 22
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Last update: 06/22/2023

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