mongo.gridfile.get.descriptor: Get the descriptor of a mongo.gridfile

Description Usage Arguments Details Value See Also Examples

View source: R/gridfs.R

Description

Get the descriptor of a mongo.gridfile. This descriptor is the document describing the given gridfile as stored on the MongoDB server in the 'files' collection of the GridFS .

Usage

1

Arguments

gridfile

A (mongo.gridfile) object.

Details

See http://www.mongodb.org/display/DOCS/GridFS+Specification.

Value

(mongo.bson) The descriptor of gridfile.

See Also

mongo.gridfs,
mongo.gridfs.find,
mongo.gridfile,
mongo.gridfile.get.filename,
mongo.gridfile.get.length,
mongo.gridfile.get.chunk.size,
mongo.gridfile.get.chunk.count,
mongo.gridfile.get.content.type,
mongo.gridfile.get.upload.date,
mongo.gridfile.get.md5,
mongo.gridfile.get.metadata,
mongo.gridfile.get.chunk,
mongo.gridfile.get.chunks,
mongo.gridfile.read,
mongo.gridfile.seek,
mongo.gridfile.pipe.

Examples

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mongo <- mongo.create()
if (mongo.is.connected(mongo)) {
    gridfs <- mongo.gridfs.create(mongo, "grid")
    mongo.gridfs.store.file(gridfs, "tests/test.R", "test.R")

    gf <- mongo.gridfs.find(gridfs, "test.R")
    if( !is.null(gf)){
      print(mongo.gridfile.get.descriptor(gf))

      mongo.gridfile.destroy(gf)
    }
    mongo.gridfs.destroy(gridfs)
}

jonkatz2/rmongodb documentation built on May 19, 2019, 7:30 p.m.