ALTER TABLE nfs_exports ADD COLUMN read_only     INTEGER NOT NULL DEFAULT 0;
ALTER TABLE nfs_exports ADD COLUMN async_        INTEGER NOT NULL DEFAULT 0;
ALTER TABLE nfs_exports ADD COLUMN root_squash   INTEGER NOT NULL DEFAULT 1;
ALTER TABLE nfs_exports ADD COLUMN subtree_check INTEGER NOT NULL DEFAULT 0;
ALTER TABLE nfs_exports ADD COLUMN fsid          INTEGER NOT NULL DEFAULT 0;
ALTER TABLE nfs_exports ADD COLUMN advanced      TEXT    NOT NULL DEFAULT '{}';

CREATE INDEX IF NOT EXISTS idx_nfs_exports_fsid ON nfs_exports(fsid);