aggregate

package

v0.5.0 Latest Latest Go to latest Published: Jul 14, 2022 License: Apache-2.0 Imports: 17 Imported by: 0

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Valid go.mod file
Redistributable license
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Repository

github.com/matrixorigin/matrixone

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Documentation ¶

Index ¶

Constants
Variables
func New(op int, dist bool, 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 Aggregate

Constants ¶

View Source

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

Variables ¶

View Source

var Names = [...]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",
	AnyValue:            "any",
}

Functions ¶

func New ¶

func New(op int, dist bool, 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 Aggregate ¶

type Aggregate struct {
	Op   int
	Dist bool
	E    *plan.Expr
}

Source Files ¶

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