parser

package

v3.0.1 Latest Latest Go to latest Published: Sep 21, 2022 License: MIT Imports: 4 Imported by: 1

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/taosdata/driver-go

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Open Source Insights

Documentation ¶

Index ¶

Constants
func BMIsNull(c byte, n int) bool
func BitPos(n int) int
func BitmapLen(n int) int
func CharOffset(n int) int
func IsVarDataType(colType uint8) bool
func ItemIsNull(pHeader uintptr, row int) bool
func ItemRawBlock(colType uint8, pHeader, pStart uintptr, row int, precision int, ...) driver.Value
func RawBlockGetColDataOffset(colCount int) uintptr
func RawBlockGetColInfo(rawBlock unsafe.Pointer, infos []RawBlockColInfo)
func RawBlockGetColumnLengthOffset(colCount int) uintptr
func RawBlockGetGroupID(rawBlock unsafe.Pointer) uint64
func RawBlockGetHasColumnSegment(rawBlock unsafe.Pointer) int32
func RawBlockGetLength(rawBlock unsafe.Pointer) int32
func RawBlockGetNumOfCols(rawBlock unsafe.Pointer) int32
func RawBlockGetNumOfRows(rawBlock unsafe.Pointer) int32
func RawBlockGetVersion(rawBlock unsafe.Pointer) int32
func ReadBlock(block unsafe.Pointer, blockSize int, colTypes []uint8, precision int) [][]driver.Value
func ReadBlockWithTimeFormat(block unsafe.Pointer, blockSize int, colTypes []uint8, precision int, ...) [][]driver.Value
func ReadRow(dest []driver.Value, block unsafe.Pointer, blockSize int, row int, ...)
type FormatTimeFunc
type RawBlockColInfo

Constants ¶

View Source

const (
	Int8Size    = unsafe.Sizeof(int8(0))
	Int16Size   = unsafe.Sizeof(int16(0))
	Int32Size   = unsafe.Sizeof(int32(0))
	Int64Size   = unsafe.Sizeof(int64(0))
	UInt8Size   = unsafe.Sizeof(uint8(0))
	UInt16Size  = unsafe.Sizeof(uint16(0))
	UInt32Size  = unsafe.Sizeof(uint32(0))
	UInt64Size  = unsafe.Sizeof(uint64(0))
	Float32Size = unsafe.Sizeof(float32(0))
	Float64Size = unsafe.Sizeof(float64(0))
)

View Source

const (
	ColInfoSize            = Int8Size + Int32Size
	RawBlockVersionOffset  = 0
	RawBlockLengthOffset   = RawBlockVersionOffset + Int32Size
	NumOfRowsOffset        = RawBlockLengthOffset + Int32Size
	NumOfColsOffset        = NumOfRowsOffset + Int32Size
	HasColumnSegmentOffset = NumOfColsOffset + Int32Size
	GroupIDOffset          = HasColumnSegmentOffset + Int32Size
	ColInfoOffset          = GroupIDOffset + UInt64Size
)

Variables ¶

This section is empty.

Functions ¶

func BMIsNull ¶

func BMIsNull(c byte, n int) bool

func BitPos ¶

func BitPos(n int) int

func BitmapLen ¶

func BitmapLen(n int) int

func CharOffset ¶

func CharOffset(n int) int

func IsVarDataType ¶

func IsVarDataType(colType uint8) bool

func ItemIsNull ¶

func ItemIsNull(pHeader uintptr, row int) bool

func ItemRawBlock ¶

func ItemRawBlock(colType uint8, pHeader, pStart uintptr, row int, precision int, timeFormat FormatTimeFunc) driver.Value

func RawBlockGetColDataOffset ¶

func RawBlockGetColDataOffset(colCount int) uintptr

func RawBlockGetColInfo ¶

func RawBlockGetColInfo(rawBlock unsafe.Pointer, infos []RawBlockColInfo)

func RawBlockGetColumnLengthOffset ¶

func RawBlockGetColumnLengthOffset(colCount int) uintptr

func RawBlockGetGroupID ¶

func RawBlockGetGroupID(rawBlock unsafe.Pointer) uint64

func RawBlockGetHasColumnSegment ¶

func RawBlockGetHasColumnSegment(rawBlock unsafe.Pointer) int32

func RawBlockGetLength ¶

func RawBlockGetLength(rawBlock unsafe.Pointer) int32

func RawBlockGetNumOfCols ¶

func RawBlockGetNumOfCols(rawBlock unsafe.Pointer) int32

func RawBlockGetNumOfRows ¶

func RawBlockGetNumOfRows(rawBlock unsafe.Pointer) int32

func RawBlockGetVersion ¶

func RawBlockGetVersion(rawBlock unsafe.Pointer) int32

func ReadBlock ¶

func ReadBlock(block unsafe.Pointer, blockSize int, colTypes []uint8, precision int) [][]driver.Value

ReadBlock in-place

func ReadBlockWithTimeFormat ¶

func ReadBlockWithTimeFormat(block unsafe.Pointer, blockSize int, colTypes []uint8, precision int, formatFunc FormatTimeFunc) [][]driver.Value

func ReadRow ¶

func ReadRow(dest []driver.Value, block unsafe.Pointer, blockSize int, row int, colTypes []uint8, precision int)

Types ¶

type FormatTimeFunc ¶

type FormatTimeFunc func(ts int64, precision int) driver.Value

type RawBlockColInfo ¶

type RawBlockColInfo struct {
	ColType int8
	Bytes   int32
}

Source Files ¶

View all Source files

block.go

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