github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/stats/histogram.pb.go

// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: sql/stats/histogram.proto

package stats

import proto "github.com/gogo/protobuf/proto"
import fmt "fmt"
import math "math"
import types "github.com/cockroachdb/cockroach/pkg/sql/types"

import encoding_binary "encoding/binary"

import io "io"

// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf

// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package

// HistogramData encodes the data for a histogram, which captures the
// distribution of values on a specific column.
type HistogramData struct {
	// Value type for the column.
	ColumnType *types.T `protobuf:"bytes,2,opt,name=column_type,json=columnType,proto3" json:"column_type,omitempty"`
	// Histogram buckets. Note that NULL values are excluded from the
	// histogram.
	Buckets []HistogramData_Bucket `protobuf:"bytes,1,rep,name=buckets,proto3" json:"buckets"`
}

func (m *HistogramData) Reset()         { *m = HistogramData{} }
func (m *HistogramData) String() string { return proto.CompactTextString(m) }
func (*HistogramData) ProtoMessage()    {}
func (*HistogramData) Descriptor() ([]byte, []int) {
	return fileDescriptor_histogram_40b21550afd0ea12, []int{0}
}
func (m *HistogramData) XXX_Unmarshal(b []byte) error {
	return m.Unmarshal(b)
}
func (m *HistogramData) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	b = b[:cap(b)]
	n, err := m.MarshalTo(b)
	if err != nil {
		return nil, err
	}
	return b[:n], nil
}
func (dst *HistogramData) XXX_Merge(src proto.Message) {
	xxx_messageInfo_HistogramData.Merge(dst, src)
}
func (m *HistogramData) XXX_Size() int {
	return m.Size()
}
func (m *HistogramData) XXX_DiscardUnknown() {
	xxx_messageInfo_HistogramData.DiscardUnknown(m)
}

var xxx_messageInfo_HistogramData proto.InternalMessageInfo

type HistogramData_Bucket struct {
	// The estimated number of values that are equal to upper_bound.
	NumEq int64 `protobuf:"varint,1,opt,name=num_eq,json=numEq,proto3" json:"num_eq,omitempty"`
	// The estimated number of values in the bucket (excluding those
	// that are equal to upper_bound). Splitting the count into two
	// makes the histogram effectively equivalent to a histogram with
	// twice as many buckets, with every other bucket containing a
	// single value. This might be particularly advantageous if the
	// histogram algorithm makes sure the top "heavy hitters" (most
	// frequent elements) are bucket boundaries (similar to a
	// compressed histogram).
	NumRange int64 `protobuf:"varint,2,opt,name=num_range,json=numRange,proto3" json:"num_range,omitempty"`
	// The estimated number of distinct values in the bucket (excluding
	// those that are equal to upper_bound). This is a floating point
	// value because it is estimated by distributing the known distinct
	// count for the column among the buckets, in proportion to the number
	// of rows in each bucket. This value is in fact derived from the rest
	// of the data, but is included to avoid re-computing it later.
	DistinctRange float64 `protobuf:"fixed64,4,opt,name=distinct_range,json=distinctRange,proto3" json:"distinct_range,omitempty"`
	// The upper boundary of the bucket. The column values for the upper bound
	// are encoded using the ascending key encoding of the column type.
	UpperBound []byte `protobuf:"bytes,3,opt,name=upper_bound,json=upperBound,proto3" json:"upper_bound,omitempty"`
}

func (m *HistogramData_Bucket) Reset()         { *m = HistogramData_Bucket{} }
func (m *HistogramData_Bucket) String() string { return proto.CompactTextString(m) }
func (*HistogramData_Bucket) ProtoMessage()    {}
func (*HistogramData_Bucket) Descriptor() ([]byte, []int) {
	return fileDescriptor_histogram_40b21550afd0ea12, []int{0, 0}
}
func (m *HistogramData_Bucket) XXX_Unmarshal(b []byte) error {
	return m.Unmarshal(b)
}
func (m *HistogramData_Bucket) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	b = b[:cap(b)]
	n, err := m.MarshalTo(b)
	if err != nil {
		return nil, err
	}
	return b[:n], nil
}
func (dst *HistogramData_Bucket) XXX_Merge(src proto.Message) {
	xxx_messageInfo_HistogramData_Bucket.Merge(dst, src)
}
func (m *HistogramData_Bucket) XXX_Size() int {
	return m.Size()
}
func (m *HistogramData_Bucket) XXX_DiscardUnknown() {
	xxx_messageInfo_HistogramData_Bucket.DiscardUnknown(m)
}

var xxx_messageInfo_HistogramData_Bucket proto.InternalMessageInfo

func init() {
	proto.RegisterType((*HistogramData)(nil), "cockroach.sql.stats.HistogramData")
	proto.RegisterType((*HistogramData_Bucket)(nil), "cockroach.sql.stats.HistogramData.Bucket")
}
func (m *HistogramData) Marshal() (dAtA []byte, err error) {
	size := m.Size()
	dAtA = make([]byte, size)
	n, err := m.MarshalTo(dAtA)
	if err != nil {
		return nil, err
	}
	return dAtA[:n], nil
}

func (m *HistogramData) MarshalTo(dAtA []byte) (int, error) {
	var i int
	_ = i
	var l int
	_ = l
	if len(m.Buckets) > 0 {
		for _, msg := range m.Buckets {
			dAtA[i] = 0xa
			i++
			i = encodeVarintHistogram(dAtA, i, uint64(msg.Size()))
			n, err := msg.MarshalTo(dAtA[i:])
			if err != nil {
				return 0, err
			}
			i += n
		}
	}
	if m.ColumnType != nil {
		dAtA[i] = 0x12
		i++
		i = encodeVarintHistogram(dAtA, i, uint64(m.ColumnType.Size()))
		n1, err := m.ColumnType.MarshalTo(dAtA[i:])
		if err != nil {
			return 0, err
		}
		i += n1
	}
	return i, nil
}

func (m *HistogramData_Bucket) Marshal() (dAtA []byte, err error) {
	size := m.Size()
	dAtA = make([]byte, size)
	n, err := m.MarshalTo(dAtA)
	if err != nil {
		return nil, err
	}
	return dAtA[:n], nil
}

func (m *HistogramData_Bucket) MarshalTo(dAtA []byte) (int, error) {
	var i int
	_ = i
	var l int
	_ = l
	if m.NumEq != 0 {
		dAtA[i] = 0x8
		i++
		i = encodeVarintHistogram(dAtA, i, uint64(m.NumEq))
	}
	if m.NumRange != 0 {
		dAtA[i] = 0x10
		i++
		i = encodeVarintHistogram(dAtA, i, uint64(m.NumRange))
	}
	if len(m.UpperBound) > 0 {
		dAtA[i] = 0x1a
		i++
		i = encodeVarintHistogram(dAtA, i, uint64(len(m.UpperBound)))
		i += copy(dAtA[i:], m.UpperBound)
	}
	if m.DistinctRange != 0 {
		dAtA[i] = 0x21
		i++
		encoding_binary.LittleEndian.PutUint64(dAtA[i:], uint64(math.Float64bits(float64(m.DistinctRange))))
		i += 8
	}
	return i, nil
}

func encodeVarintHistogram(dAtA []byte, offset int, v uint64) int {
	for v >= 1<<7 {
		dAtA[offset] = uint8(v&0x7f | 0x80)
		v >>= 7
		offset++
	}
	dAtA[offset] = uint8(v)
	return offset + 1
}
func (m *HistogramData) Size() (n int) {
	if m == nil {
		return 0
	}
	var l int
	_ = l
	if len(m.Buckets) > 0 {
		for _, e := range m.Buckets {
			l = e.Size()
			n += 1 + l + sovHistogram(uint64(l))
		}
	}
	if m.ColumnType != nil {
		l = m.ColumnType.Size()
		n += 1 + l + sovHistogram(uint64(l))
	}
	return n
}

func (m *HistogramData_Bucket) Size() (n int) {
	if m == nil {
		return 0
	}
	var l int
	_ = l
	if m.NumEq != 0 {
		n += 1 + sovHistogram(uint64(m.NumEq))
	}
	if m.NumRange != 0 {
		n += 1 + sovHistogram(uint64(m.NumRange))
	}
	l = len(m.UpperBound)
	if l > 0 {
		n += 1 + l + sovHistogram(uint64(l))
	}
	if m.DistinctRange != 0 {
		n += 9
	}
	return n
}

func sovHistogram(x uint64) (n int) {
	for {
		n++
		x >>= 7
		if x == 0 {
			break
		}
	}
	return n
}
func sozHistogram(x uint64) (n int) {
	return sovHistogram(uint64((x << 1) ^ uint64((int64(x) >> 63))))
}
func (m *HistogramData) Unmarshal(dAtA []byte) error {
	l := len(dAtA)
	iNdEx := 0
	for iNdEx < l {
		preIndex := iNdEx
		var wire uint64
		for shift := uint(0); ; shift += 7 {
			if shift >= 64 {
				return ErrIntOverflowHistogram
			}
			if iNdEx >= l {
				return io.ErrUnexpectedEOF
			}
			b := dAtA[iNdEx]
			iNdEx++
			wire |= (uint64(b) & 0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		fieldNum := int32(wire >> 3)
		wireType := int(wire & 0x7)
		if wireType == 4 {
			return fmt.Errorf("proto: HistogramData: wiretype end group for non-group")
		}
		if fieldNum <= 0 {
			return fmt.Errorf("proto: HistogramData: illegal tag %d (wire type %d)", fieldNum, wire)
		}
		switch fieldNum {
		case 1:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Buckets", wireType)
			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowHistogram
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return ErrInvalidLengthHistogram
			}
			postIndex := iNdEx + msglen
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			m.Buckets = append(m.Buckets, HistogramData_Bucket{})
			if err := m.Buckets[len(m.Buckets)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
				return err
			}
			iNdEx = postIndex
		case 2:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field ColumnType", wireType)
			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowHistogram
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return ErrInvalidLengthHistogram
			}
			postIndex := iNdEx + msglen
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			if m.ColumnType == nil {
				m.ColumnType = &types.T{}
			}
			if err := m.ColumnType.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
				return err
			}
			iNdEx = postIndex
		default:
			iNdEx = preIndex
			skippy, err := skipHistogram(dAtA[iNdEx:])
			if err != nil {
				return err
			}
			if skippy < 0 {
				return ErrInvalidLengthHistogram
			}
			if (iNdEx + skippy) > l {
				return io.ErrUnexpectedEOF
			}
			iNdEx += skippy
		}
	}

	if iNdEx > l {
		return io.ErrUnexpectedEOF
	}
	return nil
}
func (m *HistogramData_Bucket) Unmarshal(dAtA []byte) error {
	l := len(dAtA)
	iNdEx := 0
	for iNdEx < l {
		preIndex := iNdEx
		var wire uint64
		for shift := uint(0); ; shift += 7 {
			if shift >= 64 {
				return ErrIntOverflowHistogram
			}
			if iNdEx >= l {
				return io.ErrUnexpectedEOF
			}
			b := dAtA[iNdEx]
			iNdEx++
			wire |= (uint64(b) & 0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		fieldNum := int32(wire >> 3)
		wireType := int(wire & 0x7)
		if wireType == 4 {
			return fmt.Errorf("proto: Bucket: wiretype end group for non-group")
		}
		if fieldNum <= 0 {
			return fmt.Errorf("proto: Bucket: illegal tag %d (wire type %d)", fieldNum, wire)
		}
		switch fieldNum {
		case 1:
			if wireType != 0 {
				return fmt.Errorf("proto: wrong wireType = %d for field NumEq", wireType)
			}
			m.NumEq = 0
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowHistogram
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				m.NumEq |= (int64(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
		case 2:
			if wireType != 0 {
				return fmt.Errorf("proto: wrong wireType = %d for field NumRange", wireType)
			}
			m.NumRange = 0
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowHistogram
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				m.NumRange |= (int64(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
		case 3:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field UpperBound", wireType)
			}
			var byteLen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowHistogram
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				byteLen |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if byteLen < 0 {
				return ErrInvalidLengthHistogram
			}
			postIndex := iNdEx + byteLen
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			m.UpperBound = append(m.UpperBound[:0], dAtA[iNdEx:postIndex]...)
			if m.UpperBound == nil {
				m.UpperBound = []byte{}
			}
			iNdEx = postIndex
		case 4:
			if wireType != 1 {
				return fmt.Errorf("proto: wrong wireType = %d for field DistinctRange", wireType)
			}
			var v uint64
			if (iNdEx + 8) > l {
				return io.ErrUnexpectedEOF
			}
			v = uint64(encoding_binary.LittleEndian.Uint64(dAtA[iNdEx:]))
			iNdEx += 8
			m.DistinctRange = float64(math.Float64frombits(v))
		default:
			iNdEx = preIndex
			skippy, err := skipHistogram(dAtA[iNdEx:])
			if err != nil {
				return err
			}
			if skippy < 0 {
				return ErrInvalidLengthHistogram
			}
			if (iNdEx + skippy) > l {
				return io.ErrUnexpectedEOF
			}
			iNdEx += skippy
		}
	}

	if iNdEx > l {
		return io.ErrUnexpectedEOF
	}
	return nil
}
func skipHistogram(dAtA []byte) (n int, err error) {
	l := len(dAtA)
	iNdEx := 0
	for iNdEx < l {
		var wire uint64
		for shift := uint(0); ; shift += 7 {
			if shift >= 64 {
				return 0, ErrIntOverflowHistogram
			}
			if iNdEx >= l {
				return 0, io.ErrUnexpectedEOF
			}
			b := dAtA[iNdEx]
			iNdEx++
			wire |= (uint64(b) & 0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		wireType := int(wire & 0x7)
		switch wireType {
		case 0:
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return 0, ErrIntOverflowHistogram
				}
				if iNdEx >= l {
					return 0, io.ErrUnexpectedEOF
				}
				iNdEx++
				if dAtA[iNdEx-1] < 0x80 {
					break
				}
			}
			return iNdEx, nil
		case 1:
			iNdEx += 8
			return iNdEx, nil
		case 2:
			var length int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return 0, ErrIntOverflowHistogram
				}
				if iNdEx >= l {
					return 0, io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				length |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			iNdEx += length
			if length < 0 {
				return 0, ErrInvalidLengthHistogram
			}
			return iNdEx, nil
		case 3:
			for {
				var innerWire uint64
				var start int = iNdEx
				for shift := uint(0); ; shift += 7 {
					if shift >= 64 {
						return 0, ErrIntOverflowHistogram
					}
					if iNdEx >= l {
						return 0, io.ErrUnexpectedEOF
					}
					b := dAtA[iNdEx]
					iNdEx++
					innerWire |= (uint64(b) & 0x7F) << shift
					if b < 0x80 {
						break
					}
				}
				innerWireType := int(innerWire & 0x7)
				if innerWireType == 4 {
					break
				}
				next, err := skipHistogram(dAtA[start:])
				if err != nil {
					return 0, err
				}
				iNdEx = start + next
			}
			return iNdEx, nil
		case 4:
			return iNdEx, nil
		case 5:
			iNdEx += 4
			return iNdEx, nil
		default:
			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
		}
	}
	panic("unreachable")
}

var (
	ErrInvalidLengthHistogram = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowHistogram   = fmt.Errorf("proto: integer overflow")
)

func init() {
	proto.RegisterFile("sql/stats/histogram.proto", fileDescriptor_histogram_40b21550afd0ea12)
}

var fileDescriptor_histogram_40b21550afd0ea12 = []byte{
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}