retrieve_one: Retrieve single instance.

In ODataQuery: Querying on 'OData'

Description

Retrieve single instance.

Usage

retrieve_one(url, default = stop("value not found"), ...)

Arguments

url	Which url to fetch data from
default	The default if nothing was found. If not specified, an error is thrown in this case.
...	Arguments passed on to retrieve_data metadata Whether and how metadata is included httr_args List of additional arguments passed on to httr::GET jsonlite_args List of additional arguments passed on to jsonlite::fromJSON

Value

Single value or default if none. If the result consists of multiple records, an error is thrown.

See Also

Other retrieve: odata_function(), retrieve_all(), retrieve_data()

Examples

## Not run: 
url <- "https://services.odata.org/V4/TripPinServiceRW/People?$top=1"
retrieve_one(url)

url <- "https://services.odata.org/V4/TripPinServiceRW/People('russellwhyte')"
retrieve_one(url)

## End(Not run)

ODataQuery documentation built on July 5, 2021, 5:09 p.m.