mongoc_collection_create_index()
Synopsis
bool mongoc_collection_create_index (mongoc_collection_t *collection, const bson_t *keys, const mongoc_index_opt_t *opt, bson_error_t *error);
Parameters
collection |
|
keys |
A bson_t. |
opt |
A mongoc_index_opt_t. |
error |
An optional location for a bson_error_t or NULL. |
Description
This function will request the creation of a new index.
This function will use the createIndexes command if available on the MongoDB server. If not, it will fallback to inserting into system.indexes for compatibility with MongoDB <= 2.4.
See mongoc_index_opt_t for options on creating indexes.
Errors
Errors are propagated via the error parameter.
Returns
true on success, false on failure and error is set.