Description Usage Arguments See Also Examples
Send a json query to mongodb. The output is a data.frame object and will work properly only if the mongoDB collection contains primitive data types. It may not work properly if there are any embedded documents or arrays.
1 | dbGetDistinct(rmongo.object, collection, key, query)
|
rmongo.object |
The RMongo object. |
collection |
The name of the collection the query is being performed upon. |
key |
A JSON string query. See http://www.mongodb.org/display/DOCS/Advanced+Queries for more information on the MongoDB query language. |
query |
A JSON string query. See http://www.mongodb.org/display/DOCS/Advanced+Queries for more information on the MongoDB query language. |
1 2 3 4 5 | mongo <- mongoDbConnect("test")
output <- dbInsertDocument(mongo, "test_data", '{"foo": "bar"}')
output <- dbInsertDocument(mongo, "test_data", '{"foo": "bar"}')
output <- dbGetDistinct(mongo, 'test_data', '{"foo": "bar"}')
print(output)
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