SYNOPSIS
char * mongoc_collection_keys_to_index_string (const bson_t *keys);
PARAMETERS
- •
-
keys: A bson_t. This is expected to match the form of the key field in the createIndexes command.
DESCRIPTION
This function returns the canonical stringification of a given key specification. See Manage Collection Indexes for example usage.
It is a programming error to call this function on a non-standard index, such one other than a straight index with ascending and descending.
RETURNS
A string that should be freed with bson_free().
AUTHOR
MongoDB, Inc
COPYRIGHT
2009-present, MongoDB, Inc.