mongoc_read_concern_append(3)

MONGOC_READ_CONCERN_APPEND(3)

libmongoc

MONGOC_READ_CONCERN_APPEND(3)

SYNOPSIS

bool
mongoc_read_concern_append (mongoc_read_concern_t *read_concern, bson_t *opts);

PARAMETERS

read_concern: A pointer to a mongoc_read_concern_t <>.
command: A pointer to a bson_t <https://www.mongoc.org/libbson/current/bson_t.html>.

DESCRIPTION

This function appends a read concern to command options. It is useful for appending a read concern to command options before passing them to mongoc_client_read_command_with_opts() <> or a related function that takes an options document.

RETURNS

Returns true on success. If any arguments are invalid, returns false and logs an error.

EXAMPLE

See the example code for mongoc_client_read_command_with_opts() <>.

Author

MongoDB, Inc

Copyright

2009-present, MongoDB, Inc.

February 10, 2026

1.30.7