mongoc_collection_keys_to_index_string()

Synopsis

char *
mongoc_collection_keys_to_index_string (const bson_t *keys);

Parameters

keys

A bson_t.

Description

This function shall returns the canonical stringification, as used in mongoc_collection_create_index() without an explicit name, of a given key specification.

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().