influxdb/datastore/interface.go

28 lines
1.4 KiB
Go

package datastore
import (
"github.com/influxdb/influxdb/common"
"github.com/influxdb/influxdb/parser"
"github.com/influxdb/influxdb/protocol"
)
type Datastore interface {
ExecuteQuery(user common.User, database string,
query *parser.SelectQuery, yield func(*protocol.Series) error,
ringFilter func(database, series *string, time *int64) bool) error
// Logs the request to a local store and assigns a sequence number that is unique per server id per day
LogRequestAndAssignSequenceNumber(request *protocol.Request, replicationFactor *uint8, ownerServerId *uint32) error
CurrentSequenceNumber(clusterVersion *uint32, replicationFactor *uint8, ownerServerId, originatingServerId *uint32) (uint64, error)
// will replay all requests from a given number. If the number hasn't occured yet today, it replays from yesterday.
// So this log replay is only meant to work for outages that last less than maybe 12 hours.
ReplayRequestsFromSequenceNumber(*uint32, *uint32, *uint32, *uint8, *uint64, func(*[]byte) error) error
// Increment the named integer by the given amount and return the new value
AtomicIncrement(name string, val int) (uint64, error)
WriteSeriesData(database string, series *protocol.Series) error
DeleteSeriesData(database string, query *parser.DeleteQuery) error
GetSeriesForDatabase(database string, yield func(string) error) error
DropDatabase(database string) error
DropSeries(database, series string) error
Close()
}