pub fn create_role_candidate(
roles: &BTreeMap<String, RoleDefinition>,
current: &str,
statement: &CreateRoleStmt,
) -> Result<(BTreeMap<String, RoleDefinition>, bool), SQLError>pub fn create_role_candidate(
roles: &BTreeMap<String, RoleDefinition>,
current: &str,
statement: &CreateRoleStmt,
) -> Result<(BTreeMap<String, RoleDefinition>, bool), SQLError>