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MongoDB.CursorNext
Queries the next record as JSON.
| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
| MongoDB | 12.3 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
MBS( "MongoDB.CursorNext"; MongoDBRef ) More
Parameters
| Parameter | Description | Example |
|---|---|---|
| MongoDBRef | The reference number for the mongo connection. | $MongoDB |
Result
Returns JSON, empty or error.
Description
Queries the next record as JSON.This function returns a JSON document was read from the cursor.
Otherwise, "" is returned if the cursor was exhausted.
And it can return an error in other cases like a dropped connection.
Examples
Loop over cursor:
# get cursor for records describing collections
Set Variable [ $r ; Value: MBS( "MongoDB.FindCollections"; $Mongo) ]
# loop over records and show each
Loop
Set Variable [ $json ; Value: MBS( "MongoDB.CursorNext"; $Mongo) ]
Exit Loop If [ MBS("IsError") // some error like connection dropped ]
Exit Loop If [ Length ( $json ) = 0 // end of cursor ]
Show Custom Dialog [ "Record" ; $json ]
Exit Loop If [ Get(LastMessageChoice) = 2 // cancel clicked ]
End Loop
See also
- IsError
- MongoDB.AggregateCollection
- MongoDB.ClientCommandQuery
- MongoDB.CursorCurrent
- MongoDB.CursorID
- MongoDB.CursorLimit
- MongoDB.CursorMore
- MongoDB.Find
- MongoDB.FindDatabases
- MongoDB.FindIndexes
Example Databases
Blog Entries
This function checks for a license.
Created 22nd May 2022, last changed 20th June 2022
