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PARAMETERS

  • bucket: A mongoc_gridfs_bucket_t <>.
  • filename: The name of the file to create.
  • opts: A bson_t <https://www.mongoc.org/libbson/current/bson_t.html> or NULL.
  • file_id: A bson_value_t <https://www.mongoc.org/libbson/current/bson_value_t.html> to receive the generated id of the file or NULL.
  • error: A bson_error_t <https://www.mongoc.org/libbson/current/bson_error_t.html> to receive any error or NULL.

opts may be NULL or a BSON document with additional command options:

  • chunkSizeBytes: An int32 chunk size to use for this file. Overrides the chunkSizeBytes set on bucket.
  • metadata: A bson_t <https://www.mongoc.org/libbson/current/bson_t.html> representing metadata to include with the file.

Opens a stream for writing to a new file in GridFS. The file id is generated automatically. To specify an explicit file id, use mongoc_gridfs_bucket_open_upload_stream_with_id() <>.

A mongoc_stream_t <> that can be written to or NULL on failure. Errors on this stream can be retrieved with mongoc_gridfs_bucket_stream_error() <>. After calling mongoc_stream_close() <> the file is completely written in GridFS.

See also:

mongoc_gridfs_bucket_open_upload_stream_with_id() <>

mongoc_gridfs_bucket_stream_error() <>



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