func executeQuery(user common.User, database, query string, db datastore.Datastore, c *C) []*protocol.Series {
q, errQ := parser.ParseSelectQuery(query)
c.Assert(errQ, IsNil)
resultSeries := []*protocol.Series{}
yield := func(series *protocol.Series) error {
// ignore time series which have no data, this includes
// end of series indicator
if len(series.Points) > 0 {
resultSeries = append(resultSeries, series)
}
return nil
}
err := db.ExecuteQuery(user, database, q, yield, nil)
c.Assert(err, IsNil)
return resultSeries
}
func cleanDb(db datastore.Datastore) {
if db != nil {
db.Close()
}
os.RemoveAll(DB_DIR)
}