client

package
v0.12.0 Latest Latest
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 Go to latest Published: Apr 7, 2021 License: Apache-2.0 Imports: 13 Imported by: 12

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Index

Constants

View Source 
const (
	SuccessStatus        int32 = 200
	StillExecutingStatus int32 = 201
	InvalidHandleStatus  int32 = 202
	IncompatibleVersion  int32 = 203

	NodeDeleteFailedError                  int32 = 298
	AliasAlreadyExistError                 int32 = 299
	PathAlreadyExistError                  int32 = 300
	PathNotExistError                      int32 = 301
	UnsupportedFetchMetadataOperationError int32 = 302
	MetadataError                          int32 = 303
	TimeseriesNotExist                     int32 = 304
	OutOfTTLError                          int32 = 305
	ConfigAdjuster                         int32 = 306
	MergeError                             int32 = 307
	SystemCheckError                       int32 = 308
	SyncDeviceOwnerConflictError           int32 = 309
	SyncConnectionException                int32 = 310
	StorageGroupProcessorError             int32 = 311
	StorageGroupError                      int32 = 312
	StorageEngineError                     int32 = 313
	TsfileProcessorError                   int32 = 314
	PathIllegal                            int32 = 315
	LoadFileError                          int32 = 316
	StorageGroupNotReady                   int32 = 317

	ExecuteStatementError    int32 = 400
	SQLParseError            int32 = 401
	GenerateTimeZoneError    int32 = 402
	SetTimeZoneError         int32 = 403
	NotStorageGroupError     int32 = 404
	QueryNotAllowed          int32 = 405
	AstFormatError           int32 = 406
	LogicalOperatorError     int32 = 407
	LogicalOptimizeError     int32 = 408
	UnsupportedFillTypeError int32 = 409
	PathErroRint32           int32 = 410
	QueryProcessError        int32 = 411
	WriteProcessError        int32 = 412
	WriteProcessReject       int32 = 413

	UnsupportedIndexFuncError int32 = 421
	UnsupportedIndexTypeError int32 = 422

	InternalServerError        int32 = 500
	CloseOperationError        int32 = 501
	ReadOnlySystemError        int32 = 502
	DiskSpaceInsufficientError int32 = 503
	StartUpError               int32 = 504
	ShutDownError              int32 = 505
	MultipleError              int32 = 506

	WrongLoginPasswordError int32 = 600
	NotLoginError           int32 = 601
	NoPermissionError       int32 = 602
	UninitializedAuthError  int32 = 603

	PartitionNotReady    int32 = 700
	TimeOut              int32 = 701
	NoLeader             int32 = 702
	UnsupportedOperation int32 = 703
	NodeReadOnly         int32 = 704
	ConsistencyFailure   int32 = 705
	NoConnection         int32 = 706
	NeedRedirection      int32 = 707
)

TSStatusCode

View Source 
const (
	DefaultTimeZone  = "Asia/Shanghai"
	DefaultFetchSize = 1024
)
View Source 
const (
	TimestampColumnName = "Time"
)

Variables

This section is empty.

Functions

func VerifySuccess 

func VerifySuccess(status *rpc.TSStatus) error

Types

type BatchError 

type BatchError struct {
	// contains filtered or unexported fields
}

func NewBatchError 

func NewBatchError(statuses []*rpc.TSStatus) *BatchError

func (*BatchError) Error 

func (e *BatchError) Error() string

func (*BatchError) GetStatuses 

func (e *BatchError) GetStatuses() []*rpc.TSStatus

type Config 

type Config struct {
	Host      string
	Port      string
	UserName  string
	Password  string
	FetchSize int32
	TimeZone  string
}

type Field 

type Field struct {
	// contains filtered or unexported fields
}

func (*Field) GetDataType 

func (f *Field) GetDataType() TSDataType

func (*Field) GetFloat32 

func (f *Field) GetFloat32() float32

func (*Field) GetFloat64 

func (f *Field) GetFloat64() float64

func (*Field) GetInt32 

func (f *Field) GetInt32() int32

func (*Field) GetInt64 

func (f *Field) GetInt64() int64

func (*Field) GetName 

func (f *Field) GetName() string

func (*Field) GetText 

func (f *Field) GetText() string

func (*Field) GetValue 

func (f *Field) GetValue() interface{}

func (*Field) IsNull 

func (f *Field) IsNull() bool

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.TSIServiceClient, 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 RowRecord 

type RowRecord struct {
	// contains filtered or unexported fields
}

func (*RowRecord) GetFields 

func (r *RowRecord) GetFields() []*Field

func (*RowRecord) GetTimestamp 

func (r *RowRecord) GetTimestamp() int64

type Session 

type Session struct {
	// contains filtered or unexported fields
}

func NewSession 

func NewSession(config *Config) *Session

func (*Session) Close 

func (s *Session) Close() (r *rpc.TSStatus, err error)

func (*Session) CreateMultiTimeseries 

func (s *Session) CreateMultiTimeseries(paths []string, dataTypes []TSDataType, encodings []TSEncoding, compressors []TSCompressionType) (r *rpc.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 *rpc.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 *rpc.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 

func (s *Session) DeleteStorageGroup(storageGroupId string) (r *rpc.TSStatus, err error)

*delete one storage group *param *storageGroupId: string, storage group name (starts from root) *return *error: correctness of operation

func (*Session) DeleteStorageGroups 

func (s *Session) DeleteStorageGroups(storageGroupIds ...string) (r *rpc.TSStatus, err error)

*delete multiple storage group *param *storageGroupIds: []string, paths of the target storage groups *return *error: correctness of operation

func (*Session) DeleteTimeseries 

func (s *Session) DeleteTimeseries(paths []string) (r *rpc.TSStatus, err error)

*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) ExecuteBatchStatement 

func (s *Session) ExecuteBatchStatement(inserts []string) (r *rpc.TSStatus, err error)

func (*Session) ExecuteQueryStatement 

func (s *Session) ExecuteQueryStatement(sql string, timeoutMs int64) (*SessionDataSet, error)

func (*Session) ExecuteRawDataQuery 

func (s *Session) ExecuteRawDataQuery(paths []string, startTime int64, endTime int64) (*SessionDataSet, error)

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 (s *Session) GetSessionId() int64

func (*Session) GetTimeZone 

func (s *Session) GetTimeZone() (string, error)

func (*Session) InsertRecord 

func (s *Session) InsertRecord(deviceId string, measurements []string, dataTypes []TSDataType, values []interface{}, timestamp int64) (r *rpc.TSStatus, err error)

func (*Session) InsertRecords 

func (s *Session) InsertRecords(deviceIds []string, measurements [][]string, dataTypes [][]TSDataType, values [][]interface{},
	timestamps []int64) (r *rpc.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 *rpc.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 *rpc.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 (s *Session) InsertTablet(tablet *Tablet, sorted bool) (r *rpc.TSStatus, err error)

func (*Session) InsertTablets 

func (s *Session) InsertTablets(tablets []*Tablet, sorted bool) (r *rpc.TSStatus, err error)

* InsertTablets insert multiple tablets, tablets are independent to each other *params *tablets: []*client.Tablet, list of tablets

func (*Session) Open 

func (s *Session) Open(enableRPCCompression bool, connectionTimeoutInMs int) error

func (*Session) SetStorageGroup 

func (s *Session) SetStorageGroup(storageGroupId string) (r *rpc.TSStatus, err error)

*set one storage group *param *storageGroupId: string, storage group name (starts from root) *return *error: correctness of operation

func (*Session) SetTimeZone 

func (s *Session) SetTimeZone(timeZone string) (r *rpc.TSStatus, err error)

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.TSIServiceClient, 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 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
)

type TSDataType 

type TSDataType int8
const (
	UNKNOW  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)

func (*Tablet) GetMeasurements 

func (t *Tablet) GetMeasurements() []string

func (*Tablet) GetRowCount 

func (t *Tablet) GetRowCount() int

func (*Tablet) GetTimestampBytes 

func (t *Tablet) GetTimestampBytes() []byte

func (*Tablet) GetValueAt 

func (t *Tablet) GetValueAt(columnIndex, rowIndex int) (interface{}, error)

func (*Tablet) Len 

func (t *Tablet) Len() int

func (*Tablet) Less 

func (t *Tablet) Less(i, j int) bool

func (*Tablet) SetTimestamp 

func (t *Tablet) SetTimestamp(timestamp int64, rowIndex int)

func (*Tablet) SetValueAt 

func (t *Tablet) SetValueAt(value interface{}, columnIndex, rowIndex int) error

func (*Tablet) Sort 

func (t *Tablet) Sort() error

func (*Tablet) Swap 

func (t *Tablet) Swap(i, j int)

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