mongoc_collection_keys_to_index_string3
Usage
char * mongoc_collection_keys_to_index_string (const bson_t *keys);
Parameters
- •
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keys: A bson_t. This is expected to match the form of thekeyfield in the createIndexes command.
Overview
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().
Releases
5 releases since Debian 9 (Stretch); the text changed 4 times.