kernels

package
v11.0.0 Latest Latest
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 Go to latest Published: Jan 18, 2023 License: Apache-2.0, BSD-2-Clause, BSD-3-Clause, + 8 more Imports: 22 Imported by: 0

Documentation

Overview

Package kernels defines all of the computation kernels for the compute library. This requires >= go1.18 since it utilizes Go generics.

Index

Constants

This section is empty.

Variables

View Source 
var OutputFirstType = exec.NewComputedOutputType(func(_ *exec.KernelCtx, args []arrow.DataType) (arrow.DataType, error) {
	return args[0], nil
})
View Source 
var OutputLastType = exec.NewComputedOutputType(func(_ *exec.KernelCtx, args []arrow.DataType) (arrow.DataType, error) {
	return args[len(args)-1], nil
})
View Source 
var OutputResolveTemporal = exec.NewComputedOutputType(resolveTemporalOutput)
View Source 
var OutputTargetType = exec.NewComputedOutputType(ResolveOutputFromOptions)

Functions

func ArithmeticExec 

func ArithmeticExec(ity, oty arrow.Type, op ArithmeticOp) exec.ArrayKernelExec

func ArithmeticExecSameType 

func ArithmeticExecSameType(ty arrow.Type, op ArithmeticOp) exec.ArrayKernelExec

func CanCastFromDict 

func CanCastFromDict(id arrow.Type) bool

func CastBinaryToBinary 

func CastBinaryToBinary[InOffsetsT, OutOffsetsT int32 | int64](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastDecimal128ToInteger 

func CastDecimal128ToInteger[T exec.IntTypes | exec.UintTypes](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastDecimal256ToInteger 

func CastDecimal256ToInteger[T exec.IntTypes | exec.UintTypes](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastDecimalToDecimal 

func CastDecimalToDecimal(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastDecimalToFloating 

func CastDecimalToFloating[OutT constraints.Float](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastFloat32ToDecimal 

func CastFloat32ToDecimal(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastFloat64ToDecimal 

func CastFloat64ToDecimal(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastFloatingToFloating 

func CastFloatingToFloating(_ *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastFloatingToInteger 

func CastFloatingToInteger(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastFromNull 

func CastFromNull(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

CastFromNull is a simple kernel for constructing an array of null values for the requested data type, allowing casting of an arrow.Null typed value to any other arbitrary data type.

func CastFsbToBinary 

func CastFsbToBinary[OffsetsT int32 | int64](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastFsbToFsb 

func CastFsbToFsb(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastIntToInt 

func CastIntToInt(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastIntegerToDecimal 

func CastIntegerToDecimal[OutT exec.DecimalTypes, Arg0 exec.IntTypes | exec.UintTypes](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func CastIntegerToFloating 

func CastIntegerToFloating(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func ChunkedPrimitiveTake 

func ChunkedPrimitiveTake(ctx *exec.KernelCtx, batch []*arrow.Chunked, out *exec.ExecResult) ([]*exec.ExecResult, error)

func ChunkedTakeSupported 

func ChunkedTakeSupported(dt arrow.DataType) bool

func CompareKernels 

func CompareKernels(op CompareOperator) []exec.ScalarKernel

func DenseUnionImpl 

func DenseUnionImpl(ctx *exec.KernelCtx, batch *exec.ExecSpan, outputLength int64, out *exec.ExecResult, fn selectionOutputFn) error

func DoStaticCast 

func DoStaticCast[InT, OutT numeric](in []InT, out []OutT)

func FSBImpl 

func FSBImpl(ctx *exec.KernelCtx, batch *exec.ExecSpan, outputLength int64, out *exec.ExecResult, fn selectionOutputFn) error

func FSLImpl 

func FSLImpl(ctx *exec.KernelCtx, batch *exec.ExecSpan, outputLength int64, out *exec.ExecResult, fn selectionOutputFn) error

func FilterBinary 

func FilterBinary(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func FilterExec 

func FilterExec(impl selectionImplFn) exec.ArrayKernelExec

func FixedRoundDecimalExec 

func FixedRoundDecimalExec[T decimal128.Num | decimal256.Num](mode RoundMode) exec.ArrayKernelExec

func GetArithmeticBinaryKernels 

func GetArithmeticBinaryKernels(op ArithmeticOp) []exec.ScalarKernel

func GetArithmeticFloatingPointKernels 

func GetArithmeticFloatingPointKernels(op ArithmeticOp) []exec.ScalarKernel

func GetArithmeticFunctionTimeDuration 

func GetArithmeticFunctionTimeDuration(op ArithmeticOp) []exec.ScalarKernel

func GetArithmeticUnaryFixedIntOutKernels 

func GetArithmeticUnaryFixedIntOutKernels(otype arrow.DataType, op ArithmeticOp) []exec.ScalarKernel

func GetArithmeticUnaryFloatingPointKernels 

func GetArithmeticUnaryFloatingPointKernels(op ArithmeticOp) []exec.ScalarKernel

func GetArithmeticUnaryKernels 

func GetArithmeticUnaryKernels(op ArithmeticOp) []exec.ScalarKernel

func GetArithmeticUnarySignedKernels 

func GetArithmeticUnarySignedKernels(op ArithmeticOp) []exec.ScalarKernel

func GetBitwiseBinaryKernels 

func GetBitwiseBinaryKernels(op BitwiseOp) []exec.ScalarKernel

func GetBitwiseUnaryKernels 

func GetBitwiseUnaryKernels() []exec.ScalarKernel

func GetBooleanCastKernels 

func GetBooleanCastKernels() []exec.ScalarKernel

GetBooleanCastKernels returns the slice of scalar kernels for casting values *to* a boolean type.

func GetCastToDecimal128 

func GetCastToDecimal128() []exec.ScalarKernel

func GetCastToDecimal256 

func GetCastToDecimal256() []exec.ScalarKernel

func GetCastToFloating 

func GetCastToFloating[T constraints.Float](outType arrow.DataType) []exec.ScalarKernel

func GetCastToInteger 

func GetCastToInteger[T exec.IntTypes | exec.UintTypes](outType arrow.DataType) []exec.ScalarKernel

func GetCommonCastKernels 

func GetCommonCastKernels(outID arrow.Type, outType exec.OutputType) (out []exec.ScalarKernel)

GetCommonCastKernels returns the list of kernels common to all types such as casting from null or from Extension types of the appropriate underlying type.

func GetCompareKernel 

func GetCompareKernel(ty exec.InputType, cmpType arrow.Type, op CompareOperator) exec.ScalarKernel

func GetDate32CastKernels 

func GetDate32CastKernels() []exec.ScalarKernel

func GetDate64CastKernels 

func GetDate64CastKernels() []exec.ScalarKernel

func GetDecimalBinaryKernels 

func GetDecimalBinaryKernels(op ArithmeticOp) []exec.ScalarKernel

func GetDecimalUnaryKernels 

func GetDecimalUnaryKernels(op ArithmeticOp) []exec.ScalarKernel

func GetDurationCastKernels 

func GetDurationCastKernels() []exec.ScalarKernel

func GetFsbCastKernels 

func GetFsbCastKernels() []exec.ScalarKernel

func GetIntervalCastKernels 

func GetIntervalCastKernels() []exec.ScalarKernel

func GetRoundUnaryKernels 

func GetRoundUnaryKernels(init exec.KernelInitFn, knFn func(arrow.Type) exec.ArrayKernelExec) []exec.ScalarKernel

func GetShiftKernels 

func GetShiftKernels(dir ShiftDir, checked bool) []exec.ScalarKernel

func GetSimpleRoundKernels 

func GetSimpleRoundKernels(mode RoundMode) []exec.ScalarKernel

func GetTakeIndices 

func GetTakeIndices(mem memory.Allocator, filter *exec.ArraySpan, nullSelect NullSelectionBehavior) (arrow.ArrayData, error)

func GetTime32CastKernels 

func GetTime32CastKernels() []exec.ScalarKernel

func GetTime64CastKernels 

func GetTime64CastKernels() []exec.ScalarKernel

func GetTimestampCastKernels 

func GetTimestampCastKernels() []exec.ScalarKernel

func GetToBinaryKernels 

func GetToBinaryKernels(outType arrow.DataType) []exec.ScalarKernel

func GetZeroCastKernel 

func GetZeroCastKernel(inID arrow.Type, inType exec.InputType, out exec.OutputType) exec.ScalarKernel

GetZeroCastKernel returns a kernel for performing ZeroCast execution using the ZeroCopyCastExec kernel function.

func InitRoundState 

func InitRoundState(_ *exec.KernelCtx, args exec.KernelInitArgs) (exec.KernelState, error)

func InitRoundToMultipleState 

func InitRoundToMultipleState(_ *exec.KernelCtx, args exec.KernelInitArgs) (exec.KernelState, error)

func ListImpl 

func ListImpl[OffsetT int32 | int64](ctx *exec.KernelCtx, batch *exec.ExecSpan, outputLength int64, out *exec.ExecResult, fn selectionOutputFn) error

func MaxDecimalDigitsForInt 

func MaxDecimalDigitsForInt(id arrow.Type) (int32, error)

func MaxOf 

func MaxOf[T constraints.Integer]() T

MaxOf determines the max value for a given type since there is not currently a generic way to do this for Go generics yet as all of the math.Max/Min values are constants.

func MinOf 

func MinOf[T constraints.Integer]() T

MinOf returns the minimum value for a given type since there is not currently a generic way to do this with Go generics yet.

func NullExecKernel 

func NullExecKernel(nargs int) exec.ScalarKernel

func NullFilter 

func NullFilter(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func NullTake 

func NullTake(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func NullToNullExec 

func NullToNullExec(_ *exec.KernelCtx, _ *exec.ExecSpan, _ *exec.ExecResult) error

scalar kernel that ignores (assumed all-null inputs) and returns null

func OutputAllNull 

func OutputAllNull(_ *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

OutputAllNull is a simple kernel that initializes the output as an array whose output is all null by setting nulls to the length.

func PrimitiveFilter 

func PrimitiveFilter(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func PrimitiveTake 

func PrimitiveTake(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func ResolveOutputFromOptions 

func ResolveOutputFromOptions(ctx *exec.KernelCtx, _ []arrow.DataType) (arrow.DataType, error)

func ScalarBinary 

func ScalarBinary[OutT, Arg0T, Arg1T exec.FixedWidthTypes](ops binaryOps[OutT, Arg0T, Arg1T]) exec.ArrayKernelExec

func ScalarBinaryBinaryArgsBoolOut 

func ScalarBinaryBinaryArgsBoolOut(itrFn func(*exec.ArraySpan) exec.ArrayIter[[]byte], op binaryBinOp[bool]) exec.ArrayKernelExec

func ScalarBinaryBools 

func ScalarBinaryBools(ops *binaryBoolOps) exec.ArrayKernelExec

func ScalarBinaryNotNull 

func ScalarBinaryNotNull[OutT, Arg0T, Arg1T exec.FixedWidthTypes](op func(*exec.KernelCtx, Arg0T, Arg1T, *error) OutT) exec.ArrayKernelExec

func ScalarUnary 

func ScalarUnary[OutT, Arg0T exec.FixedWidthTypes](op func(*exec.KernelCtx, []Arg0T, []OutT) error) exec.ArrayKernelExec

ScalarUnary returns a kernel for performing a unary operation on FixedWidth types which is implemented using the passed in function which will receive a slice containing the raw input data along with a slice to populate for the output data.

Note that bool is not included in exec.FixedWidthTypes since it is represented as a bitmap, not as a slice of bool.

func ScalarUnaryBoolArg 

func ScalarUnaryBoolArg[OutT exec.FixedWidthTypes](op func(*exec.KernelCtx, []byte, []OutT) error) exec.ArrayKernelExec

ScalarUnaryBoolArg is like ScalarUnary except it specifically expects a function that takes a byte slice since booleans arrays are represented as a bitmap.

func ScalarUnaryBoolOutput 

func ScalarUnaryBoolOutput[Arg0T exec.FixedWidthTypes](op func(*exec.KernelCtx, []Arg0T, []byte) error) exec.ArrayKernelExec

ScalarUnaryBoolOutput is like ScalarUnary only it is for cases of boolean output. The function should take in a slice of the input type and a slice of bytes to fill with the output boolean bitmap.

func ScalarUnaryNotNull 

func ScalarUnaryNotNull[OutT, Arg0T exec.FixedWidthTypes](op func(*exec.KernelCtx, Arg0T, *error) OutT) exec.ArrayKernelExec

ScalarUnaryNotNull is for generating a kernel to operate only on the non-null values in the input array. The zerovalue of the output type is used for any null input values.

func ScalarUnaryNotNullBinaryArg 

func ScalarUnaryNotNullBinaryArg[OutT exec.FixedWidthTypes, OffsetT int32 | int64](op func(*exec.KernelCtx, []byte, *error) OutT) exec.ArrayKernelExec

ScalarUnaryNotNullBinaryArg creates a unary kernel that accepts a binary type input (Binary [offset int32], String [offset int32], LargeBinary [offset int64], LargeString [offset int64]) and returns a FixedWidthType output which is never null.

It implements the handling to iterate the offsets and values calling the provided function on each byte slice. The zero value of the OutT will be used as the output for elements of the input that are null.

func ScalarUnaryNotNullBinaryArgBoolOut 

func ScalarUnaryNotNullBinaryArgBoolOut[OffsetT int32 | int64](defVal bool, op func(*exec.KernelCtx, []byte, *error) bool) exec.ArrayKernelExec

ScalarUnaryNotNullBinaryArgBoolOut creates a unary kernel that accepts a binary type input (Binary [offset int32], String [offset int32], LargeBinary [offset int64], LargeString [offset int64]) and returns a boolean output which is never null.

It implements the handling to iterate the offsets and values calling the provided function on each byte slice. The provided default value will be used as the output for elements of the input that are null.

func ShiftTime 

func ShiftTime[InT, OutT int32 | int64](ctx *exec.KernelCtx, op arrow.TimestampConvertOp, factor int64, input, output *exec.ArraySpan) error

func SimpleBinary 

func SimpleBinary[K SimpleBinaryKernel](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func SimpleTemporalCast 

func SimpleTemporalCast[I, O arrow.Duration | arrow.Time32 | arrow.Time64 | arrow.Timestamp](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func SizeOf 

func SizeOf[T constraints.Integer]() uint

SizeOf determines the size in number of bytes for an integer based on the generic value in a way that the compiler should be able to easily evaluate and create as a constant.

func StringToTimestamp 

func StringToTimestamp[OffsetT int32 | int64](ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func StructImpl 

func StructImpl(ctx *exec.KernelCtx, batch *exec.ExecSpan, outputLength int64, out *exec.ExecResult, fn selectionOutputFn) error

func SubtractDate32 

func SubtractDate32(op ArithmeticOp) exec.ArrayKernelExec

func TakeExec 

func TakeExec(impl selectionImplFn) exec.ArrayKernelExec

func TimestampToDate32 

func TimestampToDate32(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func TimestampToDate64 

func TimestampToDate64(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func TimestampToTime32 

func TimestampToTime32(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func TimestampToTime64 

func TimestampToTime64(ctx *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

func UnaryRoundExec 

func UnaryRoundExec(ty arrow.Type) exec.ArrayKernelExec

func UnaryRoundToMultipleExec 

func UnaryRoundToMultipleExec(ty arrow.Type) exec.ArrayKernelExec

func UnboxBinaryScalar 

func UnboxBinaryScalar(val scalar.BinaryScalar) []byte

func UnboxScalar 

func UnboxScalar[T exec.FixedWidthTypes](val scalar.PrimitiveScalar) T

func VarBinaryImpl 

func VarBinaryImpl[OffsetT int32 | int64](ctx *exec.KernelCtx, batch *exec.ExecSpan, outputLength int64, out *exec.ExecResult, fn selectionOutputFn) error

func ZeroCopyCastExec 

func ZeroCopyCastExec(_ *exec.KernelCtx, batch *exec.ExecSpan, out *exec.ExecResult) error

ZeroCopyCastExec is a kernel for performing a cast which can be executed as a zero-copy operation. It simply forwards the buffers to the output.

This can be used for casting a type to itself, or for casts between equivalent representations such as Int32 and Date32.

Types

type AndNotOpKernel 

type AndNotOpKernel struct{}

func (AndNotOpKernel) Call 

func (AndNotOpKernel) Call(ctx *exec.KernelCtx, left, right *exec.ArraySpan, out *exec.ExecResult) error

func (AndNotOpKernel) CallScalarLeft 

func (AndNotOpKernel) CallScalarLeft(ctx *exec.KernelCtx, left scalar.Scalar, right *exec.ArraySpan, out *exec.ExecResult) error

func (AndNotOpKernel) CallScalarRight 

func (AndNotOpKernel) CallScalarRight(ctx *exec.KernelCtx, left *exec.ArraySpan, right scalar.Scalar, out *exec.ExecResult) error

type AndOpKernel 

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

func (AndOpKernel) Call 

func (AndOpKernel) Call(ctx *exec.KernelCtx, left, right *exec.ArraySpan, out *exec.ExecResult) error

func (AndOpKernel) CallScalarLeft 

func (AndOpKernel) CallScalarLeft(ctx *exec.KernelCtx, left scalar.Scalar, right *exec.ArraySpan, out *exec.ExecResult) error

func (AndOpKernel) CallScalarRight 

func (AndOpKernel) CallScalarRight(ctx *exec.KernelCtx, left *exec.ArraySpan, right scalar.Scalar, out *exec.ExecResult) error

type ArithmeticOp 

type ArithmeticOp int8
const (
	OpAdd ArithmeticOp = iota
	OpSub
	OpMul
	OpDiv
	OpAbsoluteValue
	OpNegate
	// NO SIMD for the following yet
	OpSqrt
	OpPower
	OpSin
	OpCos
	OpTan
	OpAsin
	OpAcos
	OpAtan
	OpAtan2
	OpLn
	OpLog10
	OpLog2
	OpLog1p
	OpLogb
	// End NO SIMD
	OpSign

	// Checked versions will not use SIMD except for float32/float64 impls
	OpAddChecked
	OpSubChecked
	OpMulChecked
	OpDivChecked
	OpAbsoluteValueChecked
	OpNegateChecked
	// No SIMD impls for the rest of these yet
	OpSqrtChecked
	OpPowerChecked
	OpSinChecked
	OpCosChecked
	OpTanChecked
	OpAsinChecked
	OpAcosChecked
	OpLnChecked
	OpLog10Checked
	OpLog2Checked
	OpLog1pChecked
	OpLogbChecked
)

type BitwiseOp 

type BitwiseOp int8
const (
	OpBitAnd BitwiseOp = iota
	OpBitOr
	OpBitXor
)

type CastOptions 

type CastOptions struct {
	ToType               arrow.DataType `compute:"to_type"`
	AllowIntOverflow     bool           `compute:"allow_int_overflow"`
	AllowTimeTruncate    bool           `compute:"allow_time_truncate"`
	AllowTimeOverflow    bool           `compute:"allow_time_overflow"`
	AllowDecimalTruncate bool           `compute:"allow_decimal_truncate"`
	AllowFloatTruncate   bool           `compute:"allow_float_truncate"`
	AllowInvalidUtf8     bool           `compute:"allow_invalid_utf8"`
}

func (CastOptions) TypeName 

func (CastOptions) TypeName() string

type CastState 

type CastState = CastOptions

CastState is the kernel state for Cast functions, it is an alias to the CastOptions object.

type CompareData 

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

func (*CompareData) Funcs 

func (c *CompareData) Funcs() *CompareData

type CompareFuncData 

type CompareFuncData interface {
	Funcs() *CompareData
}

type CompareOperator 

type CompareOperator int8
const (
	CmpEQ CompareOperator = iota // equal
	CmpNE                        // not_equal
	CmpGT                        // greater
	CmpGE                        // greater_equal
	CmpLT                        // less
	CmpLE                        // less_equal
)

func (CompareOperator) String 

func (i CompareOperator) String() string

type FilterOptions 

type FilterOptions struct {
	NullSelection NullSelectionBehavior `compute:"null_selection_behavior"`
}

func (FilterOptions) TypeName 

func (FilterOptions) TypeName() string

type FilterState 

type FilterState = FilterOptions

type KleeneAndNotOpKernel 

type KleeneAndNotOpKernel struct{}

func (KleeneAndNotOpKernel) Call 

func (KleeneAndNotOpKernel) Call(ctx *exec.KernelCtx, left, right *exec.ArraySpan, out *exec.ExecResult) error

func (KleeneAndNotOpKernel) CallScalarLeft 

func (KleeneAndNotOpKernel) CallScalarLeft(ctx *exec.KernelCtx, left scalar.Scalar, right *exec.ArraySpan, out *exec.ExecResult) error

func (KleeneAndNotOpKernel) CallScalarRight 

func (KleeneAndNotOpKernel) CallScalarRight(ctx *exec.KernelCtx, left *exec.ArraySpan, right scalar.Scalar, out *exec.ExecResult) error

type KleeneAndOpKernel 

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

func (KleeneAndOpKernel) Call 

func (KleeneAndOpKernel) Call(ctx *exec.KernelCtx, left, right *exec.ArraySpan, out *exec.ExecResult) error

func (KleeneAndOpKernel) CallScalarLeft 

func (KleeneAndOpKernel) CallScalarLeft(ctx *exec.KernelCtx, left scalar.Scalar, right *exec.ArraySpan, out *exec.ExecResult) error

func (KleeneAndOpKernel) CallScalarRight 

func (KleeneAndOpKernel) CallScalarRight(ctx *exec.KernelCtx, left *exec.ArraySpan, right scalar.Scalar, out *exec.ExecResult) error

type KleeneOrOpKernel 

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

func (KleeneOrOpKernel) Call 

func (KleeneOrOpKernel) Call(ctx *exec.KernelCtx, left, right *exec.ArraySpan, out *exec.ExecResult) error

func (KleeneOrOpKernel) CallScalarLeft 

func (KleeneOrOpKernel) CallScalarLeft(ctx *exec.KernelCtx, left scalar.Scalar, right *exec.ArraySpan, out *exec.ExecResult) error

func (KleeneOrOpKernel) CallScalarRight 

func (KleeneOrOpKernel) CallScalarRight(ctx *exec.KernelCtx, left *exec.ArraySpan, right scalar.Scalar, out *exec.ExecResult) error

type NullSelectionBehavior 

type NullSelectionBehavior int8
const (
	DropNulls NullSelectionBehavior = iota
	EmitNulls
)

type OrOpKernel 

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

func (OrOpKernel) Call 

func (OrOpKernel) Call(ctx *exec.KernelCtx, left, right *exec.ArraySpan, out *exec.ExecResult) error

func (OrOpKernel) CallScalarLeft 

func (OrOpKernel) CallScalarLeft(ctx *exec.KernelCtx, left scalar.Scalar, right *exec.ArraySpan, out *exec.ExecResult) error

func (OrOpKernel) CallScalarRight 

func (OrOpKernel) CallScalarRight(ctx *exec.KernelCtx, left *exec.ArraySpan, right scalar.Scalar, out *exec.ExecResult) error

type RoundMode 

type RoundMode int8
const (
	// Round to nearest integer less than or equal in magnitude (aka "floor")
	RoundDown RoundMode = iota
	// Round to nearest integer greater than or equal in magnitude (aka "ceil")
	RoundUp
	// Get integral part without fractional digits (aka "trunc")
	TowardsZero
	// Round negative values with DOWN and positive values with UP
	AwayFromZero
	// Round ties with DOWN (aka "round half towards negative infinity")
	HalfDown
	// Round ties with UP (aka "round half towards positive infinity")
	HalfUp
	// Round ties with TowardsZero (aka "round half away from infinity")
	HalfTowardsZero
	// Round ties with AwayFromZero (aka "round half towards infinity")
	HalfAwayFromZero
	// Round ties to nearest even integer
	HalfToEven
	// Round ties to nearest odd integer
	HalfToOdd
)

func (RoundMode) String 

func (i RoundMode) String() string

type RoundOptions 

type RoundOptions struct {
	NDigits int64
	Mode    RoundMode
}

func (RoundOptions) TypeName 

func (RoundOptions) TypeName() string

type RoundState 

type RoundState struct {
	RoundOptions
	Pow10 float64
}

type RoundToMultipleOptions 

type RoundToMultipleOptions struct {
	// Multiple is the multiple to round to.
	//
	// Should be a positive numeric scalar of a type compatible
	// with the argument to be rounded. The cast kernel is used
	// to convert the rounding multiple to match the result type.
	Multiple scalar.Scalar
	// Mode is the rounding and tie-breaking mode
	Mode RoundMode
}

func (RoundToMultipleOptions) TypeName 

func (RoundToMultipleOptions) TypeName() string

type RoundToMultipleState 

type RoundToMultipleState = RoundToMultipleOptions

type SelectionKernelData 

type SelectionKernelData struct {
	In      exec.InputType
	Exec    exec.ArrayKernelExec
	Chunked exec.ChunkedExec
}

func GetVectorSelectionKernels 

func GetVectorSelectionKernels() (filterkernels, takeKernels []SelectionKernelData)

type ShiftDir 

type ShiftDir int8
const (
	ShiftLeft ShiftDir = iota
	ShiftRight
)

type SimpleBinaryKernel 

type SimpleBinaryKernel interface {
	CallScalarRight(*exec.KernelCtx, *exec.ArraySpan, scalar.Scalar, *exec.ExecResult) error
	// contains filtered or unexported methods
}

type TakeOptions 

type TakeOptions struct {
	BoundsCheck bool
}

func (TakeOptions) TypeName 

func (TakeOptions) TypeName() string

type TakeState 

type TakeState = TakeOptions

type XorOpKernel 

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

func (XorOpKernel) Call 

func (XorOpKernel) Call(ctx *exec.KernelCtx, left, right *exec.ArraySpan, out *exec.ExecResult) error

func (XorOpKernel) CallScalarLeft 

func (XorOpKernel) CallScalarLeft(ctx *exec.KernelCtx, left scalar.Scalar, right *exec.ArraySpan, out *exec.ExecResult) error

func (XorOpKernel) CallScalarRight 

func (XorOpKernel) CallScalarRight(ctx *exec.KernelCtx, left *exec.ArraySpan, right scalar.Scalar, out *exec.ExecResult) error

Source Files

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