Documentation ¶
Index ¶
- Constants
- func VerifySuccess(status *common.TSStatus) error
- type BatchError
- type ClusterConfig
- type ClusterSession
- type Config
- type Field
- func (f *Field) GetDataType() TSDataType
- func (f *Field) GetFloat32() float32
- func (f *Field) GetFloat64() float64
- func (f *Field) GetInt32() int32
- func (f *Field) GetInt64() int64
- func (f *Field) GetName() string
- func (f *Field) GetText() string
- func (f *Field) GetValue() interface{}
- func (f *Field) IsNull() bool
- type IoTDBRpcDataSet
- type MeasurementSchema
- type PoolConfig
- type RowRecord
- type Session
- func (s *Session) Close() (r *common.TSStatus, err error)
- func (s *Session) CreateAlignedTimeseries(prefixPath string, measurements []string, dataTypes []TSDataType, ...) (r *common.TSStatus, err error)
- func (s *Session) CreateMultiTimeseries(paths []string, dataTypes []TSDataType, encodings []TSEncoding, ...) (r *common.TSStatus, err error)
- func (s *Session) CreateTimeseries(path string, dataType TSDataType, encoding TSEncoding, ...) (r *common.TSStatus, err error)
- func (s *Session) DeleteData(paths []string, startTime int64, endTime int64) (r *common.TSStatus, err error)
- func (s *Session) DeleteStorageGroup(storageGroupId string) (r *common.TSStatus, err error)
- func (s *Session) DeleteStorageGroups(storageGroupIds ...string) (r *common.TSStatus, err error)
- func (s *Session) DeleteTimeseries(paths []string) (r *common.TSStatus, err error)
- func (s *Session) ExecuteAggregationQuery(paths []string, aggregations []common.TAggregationType, startTime *int64, ...) (*SessionDataSet, error)
- func (s *Session) ExecuteBatchStatement(inserts []string) (r *common.TSStatus, err error)
- func (s *Session) ExecuteNonQueryStatement(sql string) (r *common.TSStatus, err error)
- func (s *Session) ExecuteQueryStatement(sql string, timeoutMs *int64) (*SessionDataSet, error)
- func (s *Session) ExecuteRawDataQuery(paths []string, startTime int64, endTime int64) (*SessionDataSet, error)
- func (s *Session) ExecuteStatement(sql string) (*SessionDataSet, error)
- func (s *Session) ExecuteUpdateStatement(sql string) (*SessionDataSet, error)
- func (s *Session) GetSessionId() int64
- func (s *Session) GetTimeZone() (string, error)
- func (s *Session) InsertAlignedRecord(deviceId string, measurements []string, dataTypes []TSDataType, ...) (r *common.TSStatus, err error)
- func (s *Session) InsertAlignedRecords(deviceIds []string, measurements [][]string, dataTypes [][]TSDataType, ...) (r *common.TSStatus, err error)
- func (s *Session) InsertAlignedRecordsOfOneDevice(deviceId string, timestamps []int64, measurementsSlice [][]string, ...) (r *common.TSStatus, err error)
- func (s *Session) InsertAlignedTablet(tablet *Tablet, sorted bool) (r *common.TSStatus, err error)
- func (s *Session) InsertAlignedTablets(tablets []*Tablet, sorted bool) (r *common.TSStatus, err error)
- func (s *Session) InsertRecord(deviceId string, measurements []string, dataTypes []TSDataType, ...) (r *common.TSStatus, err error)
- func (s *Session) InsertRecords(deviceIds []string, measurements [][]string, dataTypes [][]TSDataType, ...) (r *common.TSStatus, err error)
- func (s *Session) InsertRecordsOfOneDevice(deviceId string, timestamps []int64, measurementsSlice [][]string, ...) (r *common.TSStatus, err error)
- func (s *Session) InsertStringRecord(deviceId string, measurements []string, values []string, timestamp int64) (r *common.TSStatus, err error)
- func (s *Session) InsertTablet(tablet *Tablet, sorted bool) (r *common.TSStatus, err error)
- func (s *Session) InsertTablets(tablets []*Tablet, sorted bool) (r *common.TSStatus, err error)
- func (s *Session) Open(enableRPCCompression bool, connectionTimeoutInMs int) error
- func (s *Session) OpenCluster(enableRPCCompression bool) error
- func (s *Session) SetStorageGroup(storageGroupId string) (r *common.TSStatus, err error)
- func (s *Session) SetTimeZone(timeZone string) (r *common.TSStatus, err error)
- type SessionDataSet
- func (s *SessionDataSet) Close() error
- func (s *SessionDataSet) GetBool(columnName string) bool
- func (s *SessionDataSet) GetColumnCount() int
- func (s *SessionDataSet) GetColumnDataType(columnIndex int) TSDataType
- func (s *SessionDataSet) GetColumnName(columnIndex int) string
- func (s *SessionDataSet) GetColumnNames() []string
- func (s *SessionDataSet) GetDouble(columnName string) float64
- func (s *SessionDataSet) GetFloat(columnName string) float32
- func (s *SessionDataSet) GetInt32(columnName string) int32
- func (s *SessionDataSet) GetInt64(columnName string) int64
- func (s *SessionDataSet) GetRowRecord() (*RowRecord, error)
- func (s *SessionDataSet) GetText(columnName string) string
- func (s *SessionDataSet) GetTimestamp() int64
- func (s *SessionDataSet) GetValue(columnName string) interface{}
- func (s *SessionDataSet) IsClosed() bool
- func (s *SessionDataSet) IsIgnoreTimeStamp() bool
- func (s *SessionDataSet) Next() (bool, error)
- func (s *SessionDataSet) Scan(dest ...interface{}) error
- type SessionPool
- type TSCompressionType
- type TSDataType
- type TSEncoding
- type Tablet
- func (t *Tablet) GetMeasurements() []string
- func (t *Tablet) GetRowCount() int
- func (t *Tablet) GetTimestampBytes() []byte
- func (t *Tablet) GetValueAt(columnIndex, rowIndex int) (interface{}, error)
- func (t *Tablet) Len() int
- func (t *Tablet) Less(i, j int) bool
- func (t *Tablet) SetTimestamp(timestamp int64, rowIndex int)
- func (t *Tablet) SetValueAt(value interface{}, columnIndex, rowIndex int) error
- func (t *Tablet) Sort() error
- func (t *Tablet) Swap(i, j int)
Constants ¶
const ( SuccessStatus int32 = 200 IncompatibleVersion int32 = 201 ConfigurationError int32 = 202 StartUpError int32 = 203 ShutDownError int32 = 204 UnsupportedOperation int32 = 300 ExecuteStatementError int32 = 301 MultipleError int32 = 302 IllegalParameter int32 = 303 OverlapWithExistingTask int32 = 304 InternalServerError int32 = 305 RedirectionRecommend int32 = 400 DatabaseNotExist int32 = 500 DatabaseAlreadyExists int32 = 501 SeriesOverflow int32 = 502 TimeseriesAlreadyExist int32 = 503 TimeseriesInBlackList int32 = 504 AliasAlreadyExist int32 = 505 PathAlreadyExist int32 = 506 MetadataError int32 = 507 PathNotExist int32 = 508 IllegalPath int32 = 509 CreateTemplateError int32 = 510 DuplicatedTemplate int32 = 511 UndefinedTemplate int32 = 512 TemplateNotSet int32 = 513 DifferentTemplate int32 = 514 TemplateIsInUse int32 = 515 TemplateIncompatible int32 = 516 SegmentNotFound int32 = 517 PageOutOfSpace int32 = 518 RecordDuplicated int32 = 519 SegmentOutOfSpace int32 = 520 SchemaFileNotExists int32 = 521 OversizeRecord int32 = 522 SchemaFileRedoLogBroken int32 = 523 TemplateNotActivated int32 = 524 SystemReadOnly int32 = 600 StorageEngineError int32 = 601 StorageEngineNotReady int32 = 602 DataregionProcessError int32 = 603 TsfileProcessorError int32 = 604 WriteProcessError int32 = 605 WriteProcessReject int32 = 606 OutOfTtl int32 = 607 CompactionError int32 = 608 AlignedTimeseriesError int32 = 609 WalError int32 = 610 DiskSpaceInsufficient int32 = 611 SqlParseError int32 = 700 SemanticError int32 = 701 GenerateTimeZoneError int32 = 702 SetTimeZoneError int32 = 703 QueryNotAllowed int32 = 704 LogicalOperatorError int32 = 705 LogicalOptimizeError int32 = 706 UnsupportedFillType int32 = 707 QueryProcessError int32 = 708 MppMemoryNotEnough int32 = 709 CloseOperationError int32 = 710 TsblockSerializeError int32 = 711 InternalRequestTimeOut int32 = 712 InternalRequestRetryError int32 = 713 InitAuthError int32 = 800 WrongLoginPassword int32 = 801 NotLogin int32 = 802 NoPermission int32 = 803 UserNotExist int32 = 804 UserAlreadyExist int32 = 805 UserAlreadyHasRole int32 = 806 UserNotHasRole int32 = 807 RoleNotExist int32 = 808 RoleAlreadyExist int32 = 809 AlreadyHasPrivilege int32 = 810 NotHasPrivilege int32 = 811 ClearPermissionCacheError int32 = 812 UnknownAuthPrivilege int32 = 813 UnsupportedAuthOperation int32 = 814 AuthIoException int32 = 815 MigrateRegionError int32 = 900 CreateRegionError int32 = 901 DeleteRegionError int32 = 902 PartitionCacheUpdateError int32 = 903 ConsensusNotInitialized int32 = 904 RegionLeaderChangeError int32 = 905 NoAvailableRegionGroup int32 = 906 DatanodeAlreadyRegistered int32 = 1000 NoEnoughDatanode int32 = 1001 AddConfignodeError int32 = 1002 RemoveConfignodeError int32 = 1003 DatanodeNotExist int32 = 1004 DatanodeStopError int32 = 1005 RemoveDatanodeError int32 = 1006 RegisterRemovedDatanode int32 = 1007 CanNotConnectDatanode int32 = 1008 LoadFileError int32 = 1100 LoadPieceOfTsfileError int32 = 1101 DeserializePieceOfTsfileError int32 = 1102 SyncConnectionError int32 = 1103 SyncFileRedirectionError int32 = 1104 SyncFileError int32 = 1105 CreatePipeSinkError int32 = 1106 PipeError int32 = 1107 PipeserverError int32 = 1108 VerifyMetadataError int32 = 1109 UdfLoadClassError int32 = 1200 UdfDownloadError int32 = 1201 CreateUdfOnDatanodeError int32 = 1202 DropUdfOnDatanodeError int32 = 1203 CreateTriggerError int32 = 1300 DropTriggerError int32 = 1301 TriggerFireError int32 = 1302 TriggerLoadClassError int32 = 1303 TriggerDownloadError int32 = 1304 CreateTriggerInstanceError int32 = 1305 ActiveTriggerInstanceError int32 = 1306 DropTriggerInstanceError int32 = 1307 UpdateTriggerLocationError int32 = 1308 NoSuchCq int32 = 1400 CqAlreadyActive int32 = 1401 CqAlreadyExist int32 = 1402 CqUpdateLastExecTimeError int32 = 1403 )
TSStatusCode
const ( DefaultTimeZone = "Asia/Shanghai" DefaultFetchSize = 1024 DefaultConnectRetryMax = 3 )
const (
TimestampColumnName = "Time"
)
Variables ¶
This section is empty.
Functions ¶
func VerifySuccess ¶
Types ¶
type BatchError ¶
type BatchError struct {
// contains filtered or unexported fields
}
func NewBatchError ¶
func NewBatchError(statuses []*common.TSStatus) *BatchError
func (*BatchError) Error ¶
func (e *BatchError) Error() string
func (*BatchError) GetStatuses ¶
func (e *BatchError) GetStatuses() []*common.TSStatus
type ClusterConfig ¶ added in v0.12.1
type ClusterSession ¶ added in v0.12.1
type ClusterSession struct {
// contains filtered or unexported fields
}
type Field ¶
type Field struct {
// contains filtered or unexported fields
}
func (*Field) GetDataType ¶
func (f *Field) GetDataType() TSDataType
func (*Field) GetFloat32 ¶
func (*Field) GetFloat64 ¶
type IoTDBRpcDataSet ¶
type IoTDBRpcDataSet struct {
// contains filtered or unexported fields
}
func NewIoTDBRpcDataSet ¶
func NewIoTDBRpcDataSet(sql string, columnNameList []string, columnTypes []string, columnNameIndex map[string]int32, queryId int64, client *rpc.IClientRPCServiceClient, sessionId int64, queryDataSet *rpc.TSQueryDataSet, ignoreTimeStamp bool, fetchSize int32, timeoutMs *int64) *IoTDBRpcDataSet
func (*IoTDBRpcDataSet) Close ¶
func (s *IoTDBRpcDataSet) Close() (err error)
func (*IoTDBRpcDataSet) GetTimestamp ¶
func (s *IoTDBRpcDataSet) GetTimestamp() int64
func (*IoTDBRpcDataSet) IsClosed ¶
func (s *IoTDBRpcDataSet) IsClosed() bool
type MeasurementSchema ¶
type MeasurementSchema struct { Measurement string DataType TSDataType Encoding TSEncoding Compressor TSCompressionType Properties map[string]string }
type PoolConfig ¶ added in v0.13.1
type RowRecord ¶
type RowRecord struct {
// contains filtered or unexported fields
}
func (*RowRecord) GetTimestamp ¶
type Session ¶
type Session struct {
// contains filtered or unexported fields
}
func NewClusterSession ¶ added in v0.12.1
func NewClusterSession(clusterConfig *ClusterConfig) Session
func NewSession ¶
func (*Session) CreateAlignedTimeseries ¶ added in v0.13.0
func (s *Session) CreateAlignedTimeseries(prefixPath string, measurements []string, dataTypes []TSDataType, encodings []TSEncoding, compressors []TSCompressionType, measurementAlias []string) (r *common.TSStatus, err error)
*create single aligned time series *params *prefixPath: string, time series prefix path (starts from root) *measurements: []string, sensor names *dataTypes: []int32, data types for time series *encodings: []int32, encodings for time series *compressors: []int32, compressing types for time series *measurementAlias: []string, sensor names alias *return *error: correctness of operation
func (*Session) CreateMultiTimeseries ¶
func (s *Session) CreateMultiTimeseries(paths []string, dataTypes []TSDataType, encodings []TSEncoding, compressors []TSCompressionType) (r *common.TSStatus, err error)
*create multiple time series *params *paths: []string, complete time series paths (starts from root) *dataTypes: []int32, data types for time series *encodings: []int32, encodings for time series *compressors: []int32, compressing types for time series *return *error: correctness of operation
func (*Session) CreateTimeseries ¶
func (s *Session) CreateTimeseries(path string, dataType TSDataType, encoding TSEncoding, compressor TSCompressionType, attributes map[string]string, tags map[string]string) (r *common.TSStatus, err error)
*create single time series *params *path: string, complete time series path (starts from root) *dataType: int32, data type for this time series *encoding: int32, data type for this time series *compressor: int32, compressing type for this time series *return *error: correctness of operation
func (*Session) DeleteData ¶
func (s *Session) DeleteData(paths []string, startTime int64, endTime int64) (r *common.TSStatus, err error)
*delete all startTime <= data <= endTime in multiple time series *params *paths: []string, time series array that the data in *startTime: int64, start time of deletion range *endTime: int64, end time of deletion range *return *error: correctness of operation
func (*Session) DeleteStorageGroup ¶
*delete one storage group *param *storageGroupId: string, storage group name (starts from root) *return *error: correctness of operation
func (*Session) DeleteStorageGroups ¶
*delete multiple storage group *param *storageGroupIds: []string, paths of the target storage groups *return *error: correctness of operation
func (*Session) DeleteTimeseries ¶
*delete multiple time series, including data and schema *params *paths: []string, time series paths, which should be complete (starts from root) *return *error: correctness of operation
func (*Session) ExecuteAggregationQuery ¶ added in v1.1.5
func (s *Session) ExecuteAggregationQuery(paths []string, aggregations []common.TAggregationType, startTime *int64, endTime *int64, interval *int64, timeoutMs *int64) (*SessionDataSet, error)
func (*Session) ExecuteBatchStatement ¶
func (*Session) ExecuteNonQueryStatement ¶ added in v1.0.0
func (*Session) ExecuteQueryStatement ¶
func (s *Session) ExecuteQueryStatement(sql string, timeoutMs *int64) (*SessionDataSet, error)
func (*Session) ExecuteRawDataQuery ¶
func (*Session) ExecuteStatement ¶
func (s *Session) ExecuteStatement(sql string) (*SessionDataSet, error)
func (*Session) ExecuteUpdateStatement ¶
func (s *Session) ExecuteUpdateStatement(sql string) (*SessionDataSet, error)
func (*Session) GetSessionId ¶
func (*Session) GetTimeZone ¶
func (*Session) InsertAlignedRecord ¶ added in v0.13.0
func (*Session) InsertAlignedRecords ¶ added in v0.13.0
func (*Session) InsertAlignedRecordsOfOneDevice ¶ added in v0.13.0
func (*Session) InsertAlignedTablet ¶ added in v0.13.0
func (*Session) InsertAlignedTablets ¶ added in v0.13.0
func (*Session) InsertRecord ¶
func (*Session) InsertRecords ¶
func (s *Session) InsertRecords(deviceIds []string, measurements [][]string, dataTypes [][]TSDataType, values [][]interface{}, timestamps []int64) (r *common.TSStatus, err error)
*insert multiple rows of data, records are independent to each other, in other words, there's no relationship *between those records * *params *deviceIds: []string, time series paths for device *measurements: [][]string, each element of outer list indicates measurements of a device *dataTypes: [][]int32, each element of outer list indicates sensor data types of a device *values: [][]interface{}, values to be inserted, for each device *timestamps: []int64, timestamps for records *
func (*Session) InsertRecordsOfOneDevice ¶
func (s *Session) InsertRecordsOfOneDevice(deviceId string, timestamps []int64, measurementsSlice [][]string, dataTypesSlice [][]TSDataType, valuesSlice [][]interface{}, sorted bool) (r *common.TSStatus, err error)
InsertRecordsOfOneDevice Insert multiple rows, which can reduce the overhead of network. This method is just like jdbc executeBatch, we pack some insert request in batch and send them to server. If you want improve your performance, please see insertTablet method Each row is independent, which could have different deviceId, time, number of measurements
func (*Session) InsertStringRecord ¶
func (s *Session) InsertStringRecord(deviceId string, measurements []string, values []string, timestamp int64) (r *common.TSStatus, err error)
*special case for inserting one row of String (TEXT) value *params *deviceId: string, time series path for device *measurements: []string, sensor names *values: []string, values to be inserted, for each sensor *timestamp: int64, indicate the timestamp of the row of data *return *error: correctness of operation
func (*Session) InsertTablet ¶
func (*Session) InsertTablets ¶
* InsertTablets insert multiple tablets, tablets are independent to each other *params *tablets: []*client.Tablet, list of tablets
func (*Session) OpenCluster ¶ added in v0.12.1
func (*Session) SetStorageGroup ¶
*set one storage group *param *storageGroupId: string, storage group name (starts from root) *return *error: correctness of operation
type SessionDataSet ¶
type SessionDataSet struct {
// contains filtered or unexported fields
}
func NewSessionDataSet ¶
func NewSessionDataSet(sql string, columnNameList []string, columnTypeList []string, columnNameIndex map[string]int32, queryId int64, client *rpc.IClientRPCServiceClient, sessionId int64, queryDataSet *rpc.TSQueryDataSet, ignoreTimeStamp bool, fetchSize int32, timeoutMs *int64) *SessionDataSet
func (*SessionDataSet) Close ¶
func (s *SessionDataSet) Close() error
func (*SessionDataSet) GetBool ¶
func (s *SessionDataSet) GetBool(columnName string) bool
func (*SessionDataSet) GetColumnCount ¶
func (s *SessionDataSet) GetColumnCount() int
func (*SessionDataSet) GetColumnDataType ¶
func (s *SessionDataSet) GetColumnDataType(columnIndex int) TSDataType
func (*SessionDataSet) GetColumnName ¶
func (s *SessionDataSet) GetColumnName(columnIndex int) string
func (*SessionDataSet) GetColumnNames ¶
func (s *SessionDataSet) GetColumnNames() []string
func (*SessionDataSet) GetDouble ¶
func (s *SessionDataSet) GetDouble(columnName string) float64
func (*SessionDataSet) GetFloat ¶
func (s *SessionDataSet) GetFloat(columnName string) float32
func (*SessionDataSet) GetInt32 ¶
func (s *SessionDataSet) GetInt32(columnName string) int32
func (*SessionDataSet) GetInt64 ¶
func (s *SessionDataSet) GetInt64(columnName string) int64
func (*SessionDataSet) GetRowRecord ¶
func (s *SessionDataSet) GetRowRecord() (*RowRecord, error)
func (*SessionDataSet) GetText ¶
func (s *SessionDataSet) GetText(columnName string) string
GetText returns string value of column value on row. This is not goroutine safe
func (*SessionDataSet) GetTimestamp ¶
func (s *SessionDataSet) GetTimestamp() int64
func (*SessionDataSet) GetValue ¶
func (s *SessionDataSet) GetValue(columnName string) interface{}
func (*SessionDataSet) IsClosed ¶
func (s *SessionDataSet) IsClosed() bool
func (*SessionDataSet) IsIgnoreTimeStamp ¶
func (s *SessionDataSet) IsIgnoreTimeStamp() bool
func (*SessionDataSet) Next ¶
func (s *SessionDataSet) Next() (bool, error)
Next prepares the next result row for reading, returns true on success, or false if there is no next result row or an error appened while preparing it. consulted Err should be consulted to distinguish between the two cases. This is not goroutine safe
func (*SessionDataSet) Scan ¶
func (s *SessionDataSet) Scan(dest ...interface{}) error
type SessionPool ¶ added in v0.13.1
type SessionPool struct {
// contains filtered or unexported fields
}
func NewSessionPool ¶ added in v0.13.1
func NewSessionPool(conf *PoolConfig, maxSize, connectionTimeoutInMs, waitToGetSessionTimeoutInMs int, enableCompression bool) SessionPool
func (*SessionPool) Close ¶ added in v0.13.1
func (spool *SessionPool) Close()
func (*SessionPool) ConstructSession ¶ added in v0.13.1
func (spool *SessionPool) ConstructSession(config *PoolConfig) (session Session, err error)
func (*SessionPool) GetSession ¶ added in v0.13.1
func (spool *SessionPool) GetSession() (session Session, err error)
func (*SessionPool) PutBack ¶ added in v0.13.1
func (spool *SessionPool) PutBack(session Session)
type TSCompressionType ¶
type TSCompressionType uint8
const ( UNCOMPRESSED TSCompressionType = 0 SNAPPY TSCompressionType = 1 GZIP TSCompressionType = 2 LZO TSCompressionType = 3 SDT TSCompressionType = 4 PAA TSCompressionType = 5 PLA TSCompressionType = 6 LZ4 TSCompressionType = 7 ZSTD TSCompressionType = 8 )
type TSDataType ¶
type TSDataType int8
const ( UNKNOWN TSDataType = -1 BOOLEAN TSDataType = 0 INT32 TSDataType = 1 INT64 TSDataType = 2 FLOAT TSDataType = 3 DOUBLE TSDataType = 4 TEXT TSDataType = 5 )
type TSEncoding ¶
type TSEncoding uint8
const ( PLAIN TSEncoding = 0 PLAIN_DICTIONARY TSEncoding = 1 RLE TSEncoding = 2 DIFF TSEncoding = 3 TS_2DIFF TSEncoding = 4 BITMAP TSEncoding = 5 GORILLA_V1 TSEncoding = 6 REGULAR TSEncoding = 7 GORILLA TSEncoding = 8 )
type Tablet ¶
type Tablet struct {
// contains filtered or unexported fields
}
func NewTablet ¶
func NewTablet(deviceId string, measurementSchemas []*MeasurementSchema, rowCount int) (*Tablet, error)