SYNOPSIS
int64_t mongoc_collection_count (mongoc_collection_t *collection, mongoc_query_flags_t flags, const bson_t *query, int64_t skip, int64_t limit, const mongoc_read_prefs_t *read_prefs, bson_error_t *error);
DESCRIPTION
The mongoc_collection_count() function shall execute a count query on the underlying collection. The bson query is not validated, simply passed along as appropriate to the server. As such, compatibility and errors should be validated in the appropriate server documentation.
flags are the same as in mongoc_collection_find(3). query is the same as in mongoc_collection_find(3).
RETURN VALUE
The mongoc_collection_count() function returns a count of matching documents. In the event of failure it returns -1.
ERRORS
errors are returned through error
SEE ALSO
AUTHORS
This page was written by MongoDB Inc.