transformer

package

v0.4.0 Latest Latest Go to latest Published: May 5, 2022 License: Apache-2.0 Imports: 16 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/matrixorigin/matrixone

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Documentation ¶

Index ¶

Constants
Variables
func New(op int, typ types.Type) (ring.Ring, error)
func NewBitAnd(typ types.Type) (ring.Ring, error)
func NewBitOr(typ types.Type) (ring.Ring, error)
func NewBitXor(typ types.Type) (ring.Ring, error)
func NewMax(typ types.Type) (ring.Ring, error)
func NewMin(typ types.Type) (ring.Ring, error)
func NewSum(typ types.Type) (ring.Ring, error)
func ReturnType(op int, typ types.T) types.T
type Transformer

Constants ¶

View Source

const (
	Sum = iota
	Avg
	Max
	Min
	Count
	StarCount
	ApproxCountDistinct
	Variance
	BitAnd
	BitXor
	BitOr
	StdDevPop
)

Variables ¶

View Source

var TransformerNames = [...]string{
	Sum:                 "sum",
	Avg:                 "avg",
	Max:                 "max",
	Min:                 "min",
	Count:               "count",
	StarCount:           "starcount",
	ApproxCountDistinct: "approx_count_distinct",
	Variance:            "var",
	BitAnd:              "bit_and",
	BitXor:              "bit_xor",
	BitOr:               "bit_or",
	StdDevPop:           "stddev_pop",
}

View Source

var TransformerNamesMap map[string]int

Functions ¶

func New ¶

func New(op int, typ types.Type) (ring.Ring, error)

func NewBitAnd ¶

func NewBitAnd(typ types.Type) (ring.Ring, error)

func NewBitOr ¶

func NewBitOr(typ types.Type) (ring.Ring, error)

func NewBitXor ¶

func NewBitXor(typ types.Type) (ring.Ring, error)

func NewMax ¶

func NewMax(typ types.Type) (ring.Ring, error)

func NewMin ¶

func NewMin(typ types.Type) (ring.Ring, error)

func NewSum ¶

func NewSum(typ types.Type) (ring.Ring, error)

func ReturnType ¶

func ReturnType(op int, typ types.T) types.T

Types ¶

type Transformer ¶

type Transformer struct {
	Op    int
	Ref   int
	Name  string
	Alias string
}

Source Files ¶

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