static int
kvs_session_rename(WT_DATA_SOURCE *wtds, WT_SESSION *session,
const char *uri, const char *newname, WT_CONFIG_ARG *config)
{
DATA_SOURCE *ds;
DB *db;
WT_EXTENSION_API *wt_api;
int ret = 0;
const char *name;
(void)config; /* Unused parameters */
ds = (DATA_SOURCE *)wtds;
wt_api = ds->wt_api;
/* Get the object name */
if ((ret = uri2name(wt_api, session, uri, &name)) != 0)
return (ret);
if ((ret = single_thread(wtds, session, &ds->rwlock)) != 0)
return (ret);
if ((ret = db_create(&db, ds->dbenv, 0)) != 0)
ESET(wt_api,
session, WT_ERROR, "db_create: %s", db_strerror(ret));
else if ((ret = db->rename(db, name, NULL, newname, 0)) != 0)
ESET(wt_api,
session, WT_ERROR, "Db.rename: %s", db_strerror(ret));
/* db handle is dead */
ETRET(unlock(wt_api, session, &ds->rwlock));
return (ret);
}
/* {{{ rberkeley_db_rename */
SEXP rberkeley_db_rename (SEXP _dbp, SEXP _file, SEXP _database,
SEXP _newname)
{
DB *dbp;
int ret;
u_int32_t flags = 0;
dbp = R_ExternalPtrAddr(_dbp);
if(R_ExternalPtrTag(_dbp) != RBerkeley_DB || dbp == NULL)
error("invalid 'db' handle");
ret = dbp->rename(dbp,
(const char *)CHAR(STRING_ELT(_file,0)),
(const char *)CHAR(STRING_ELT(_database,0)),
(const char *)CHAR(STRING_ELT(_newname,0)),
flags);
return ScalarInteger(ret);
}
int Db::rename(const char *file, const char *database,
const char *newname, u_int32_t flags)
{
int err = 0;
DB *db = unwrap(this);
if (!db) {
DB_ERROR("Db::rename", EINVAL, error_policy());
return (EINVAL);
}
// after a DB->rename (no matter if success or failure),
// the underlying DB object must not be accessed,
// so we clean up in advance.
//
cleanup();
if ((err = db->rename(db, file, database, newname, flags)) != 0) {
DB_ERROR("Db::rename", err, error_policy());
return (err);
}
return (0);
}