mongoc_cursor_clone − mongoc_cursor_clone()
mongoc_cursor_t * mongoc_cursor_clone (const mongoc_cursor_t *cursor) BSON_GNUC_WARN_UNUSED_RESULT;
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cursor: A mongoc_cursor_t. |
This function shall create a copy of a mongoc_cursor_t. The cloned cursor will be reset to the beginning of the query, and therefore the query will be re−executed on the MongoDB server when mongoc_cursor_next() is called.
A newly allocated mongoc_cursor_t that should be freed with mongoc_cursor_destroy() when no longer in use.
WARNING:
Failure to handle the result of this function is a programming error.
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