/
zm.go
1360 lines (1221 loc) · 37.6 KB
/
zm.go
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// Copyright 2021 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package index
import (
"bytes"
"fmt"
"math"
"sort"
"strings"
"github.com/matrixorigin/matrixone/pkg/common/moerr"
"github.com/matrixorigin/matrixone/pkg/common/mpool"
"github.com/matrixorigin/matrixone/pkg/container/types"
"github.com/matrixorigin/matrixone/pkg/container/vector"
"github.com/matrixorigin/matrixone/pkg/vectorize/moarray"
"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/compute"
"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/containers"
)
const (
ZMSize = 64
)
var MaxBytesValue []byte
var zeroZM = make([]byte, ZMSize)
func init() {
MaxBytesValue = bytes.Repeat([]byte{0xff}, 31)
}
// [0,...29, 30, 31,...60, 61, 62, 63]
//
// ------- -- -------- -- -- --
// min | max | | |
// len(min) len(max) | |
// reserved |
// type
type ZM []byte
func NewZM(t types.T, scale int32) ZM {
zm := ZM(make([]byte, ZMSize))
zm.SetType(t)
zm.SetScale(scale)
return zm
}
func BuildZM(t types.T, v []byte) ZM {
zm := ZM(make([]byte, ZMSize))
zm.SetType(t)
zm.doInit(v)
return zm
}
func (zm ZM) ResetMinMax() {
t := zm.GetType()
scale := zm.GetScale()
copy(zm[:], zeroZM)
zm.SetType(t)
zm.SetScale(scale)
}
func (zm ZM) doInit(v []byte) {
if zm.IsString() {
zm.updateMinString(v)
zm.updateMaxString(v)
} else {
zm.updateMinFixed(v)
zm.updateMaxFixed(v)
}
zm.setInited()
}
func (zm ZM) innerString(f func([]byte) string) string {
var b strings.Builder
if zm.IsString() {
smin, smax := f(zm.GetMinBuf()), f(zm.GetMaxBuf())
_, _ = b.WriteString(fmt.Sprintf("ZM(%s)%d[%v,%v]",
zm.GetType().String(), zm.GetScale(), smin, smax))
} else {
_, _ = b.WriteString(fmt.Sprintf("ZM(%s)%d[%v,%v]",
zm.GetType().String(), zm.GetScale(), zm.GetMin(), zm.GetMax()))
if zm.supportSum() {
_, _ = b.WriteString(fmt.Sprintf("SUM:%v", zm.GetSum()))
}
}
if zm.MaxTruncated() {
_ = b.WriteByte('+')
}
if !zm.IsInited() {
_, _ = b.WriteString("--")
}
return b.String()
}
func (zm ZM) StringForCompose() string {
return zm.innerString(func(b []byte) string {
s := string(b)
if r, _, e := types.DecodeTuple(b); e == nil {
s = r.ErrString(nil)
}
return s
})
}
func (zm ZM) String() string {
return zm.innerString(func(b []byte) string {
return string(b)
})
}
func (zm ZM) supportSum() bool {
t := zm.GetType()
return t.IsInteger() || t.IsFloat() || t == types.T_decimal64
}
func (zm ZM) Clone() ZM {
cloned := make([]byte, ZMSize)
copy(cloned[:], zm[:])
return cloned
}
func (zm ZM) GetType() types.T {
return types.T(zm[63])
}
func (zm ZM) IsString() bool {
return zm.GetType().FixedLength() < 0
}
func (zm ZM) IsArray() bool {
return zm.GetType().IsArrayRelate()
}
func (zm ZM) Valid() bool {
return len(zm) == ZMSize && zm.IsInited()
}
func (zm ZM) SetType(t types.T) {
zm[63] &= 0x00
zm[63] |= byte(t)
sz := t.FixedLength()
if sz <= 0 {
return
}
zm[61] = byte(sz)
zm[30] = byte(sz)
}
func (zm ZM) SetScale(scale int32) {
sz := 0x3f & byte(scale)
zm[62] &= 0xc0
zm[62] |= sz
}
func (zm ZM) GetScale() int32 {
sz := 0x3f & zm[62]
return int32(sz)
}
func (zm ZM) GetMin() any {
if !zm.IsInited() {
return nil
}
buf := zm.GetMinBuf()
return zm.getValue(buf)
}
func (zm ZM) GetMax() any {
if !zm.IsInited() {
return nil
}
buf := zm.GetMaxBuf()
return zm.getValue(buf)
}
func (zm ZM) SetSum(v []byte) {
copy(zm.GetSumBuf(), v)
}
func (zm ZM) HasSum() bool {
return zm.GetSum() != 0
}
func (zm ZM) GetSum() any {
if !zm.IsInited() {
return nil
}
return zm.decodeSum()
}
func (zm ZM) decodeSum() any {
switch types.T(zm[63]) {
case types.T_int8, types.T_int16, types.T_int32, types.T_int64:
return types.DecodeInt64(zm.GetSumBuf())
case types.T_uint8, types.T_uint16, types.T_uint32, types.T_uint64:
return types.DecodeUint64(zm.GetSumBuf())
case types.T_float32, types.T_float64:
return types.DecodeFloat64(zm.GetSumBuf())
case types.T_decimal64:
return types.DecodeDecimal64(zm.GetSumBuf())
}
return nil
}
func (zm ZM) GetMinBuf() []byte {
return zm[0 : zm[30]&0x1f]
}
func (zm ZM) GetMaxBuf() []byte {
return zm[31 : 31+zm[61]&0x1f]
}
func (zm ZM) GetSumBuf() []byte {
if zm.supportSum() {
return zm[8:16]
}
return nil
}
func (zm ZM) GetBuf() []byte {
return zm
}
func (zm ZM) MaxTruncated() bool {
return zm[61]&0x80 != 0
}
func (zm ZM) Encode() []byte {
return zm[:]
}
func (zm ZM) Marshal() ([]byte, error) {
buf := make([]byte, ZMSize)
copy(buf, zm[:])
return buf, nil
}
func (zm ZM) Unmarshal(buf []byte) (err error) {
copy(zm[:], buf[:ZMSize])
return
}
// TODO: remove me later
func (zm ZM) Update(v any) (err error) {
UpdateZMAny(zm, v)
return
}
func (zm ZM) FastContainsAny(keys *vector.Vector) (ok bool) {
if !zm.IsInited() {
return false
}
var op containers.ItOpT[[]byte]
if zm.IsString() {
op = func(key []byte, isNull bool, _ int) (err error) {
if isNull || zm.containsString(key) {
err = moerr.GetOkExpectedEOB()
ok = true
}
return
}
containers.ForeachWindowBytes(keys, 0, keys.Length(), op, nil)
} else {
op = func(key []byte, isNull bool, _ int) (err error) {
if isNull || zm.containsBytes(key) {
err = moerr.GetOkExpectedEOB()
ok = true
}
return
}
containers.ForeachWindowBytes(keys, 0, keys.Length(), op, nil)
}
return
}
// Optimize me later
func (zm ZM) containsBytes(k []byte) bool {
t := types.T(zm[63])
return compute.Compare(k, zm.GetMinBuf(), t, 0, 0) >= 0 &&
compute.Compare(k, zm.GetMaxBuf(), t, 0, 0) <= 0
}
func (zm ZM) containsString(k []byte) bool {
if zm.MaxTruncated() {
return true
}
return compute.CompareBytes(k, zm.GetMinBuf()) >= 0 &&
compute.CompareBytes(k, zm.GetMaxBuf()) <= 0
}
// TODO: remove me later
func (zm ZM) Contains(k any) bool {
if !zm.IsInited() {
return false
}
if zm.IsString() {
return zm.containsString(k.([]byte))
}
t := types.T(zm[63])
v := types.EncodeValue(k, t)
return zm.containsBytes(v)
}
func (zm ZM) ContainsKey(k []byte) bool {
if !zm.IsInited() {
return false
}
if zm.IsString() {
return zm.containsString(k)
}
t := types.T(zm[63])
return compute.Compare(k, zm.GetMinBuf(), t, 0, 0) >= 0 &&
compute.Compare(k, zm.GetMaxBuf(), t, 0, 0) <= 0
}
func (zm ZM) IsInited() bool {
return len(zm) == ZMSize && zm[62]&0x80 != 0
}
func (zm ZM) Reset() {
if len(zm) == ZMSize {
zm[62] &= 0x7f
}
}
func (zm ZM) setInited() {
zm[62] |= 0x80
}
func (zm ZM) getValue(buf []byte) any {
switch types.T(zm[63]) {
case types.T_bool:
return types.DecodeFixed[bool](buf)
case types.T_int8:
return types.DecodeFixed[int8](buf)
case types.T_int16:
return types.DecodeFixed[int16](buf)
case types.T_int32:
return types.DecodeFixed[int32](buf)
case types.T_int64:
return types.DecodeFixed[int64](buf)
case types.T_uint8:
return types.DecodeFixed[uint8](buf)
case types.T_uint16:
return types.DecodeFixed[uint16](buf)
case types.T_uint32:
return types.DecodeFixed[uint32](buf)
case types.T_uint64:
return types.DecodeFixed[uint64](buf)
case types.T_float32:
return types.DecodeFixed[float32](buf)
case types.T_float64:
return types.DecodeFixed[float64](buf)
case types.T_date:
return types.DecodeFixed[types.Date](buf)
case types.T_time:
return types.DecodeFixed[types.Time](buf)
case types.T_datetime:
return types.DecodeFixed[types.Datetime](buf)
case types.T_timestamp:
return types.DecodeFixed[types.Timestamp](buf)
case types.T_enum:
return types.DecodeFixed[types.Enum](buf)
case types.T_decimal64:
return types.DecodeFixed[types.Decimal64](buf)
case types.T_decimal128:
return types.DecodeFixed[types.Decimal128](buf)
case types.T_uuid:
return types.DecodeFixed[types.Uuid](buf)
case types.T_TS:
return types.DecodeFixed[types.TS](buf)
case types.T_Rowid:
return types.DecodeFixed[types.Rowid](buf)
case types.T_Blockid:
return types.DecodeFixed[types.Rowid](buf)
case types.T_char, types.T_varchar, types.T_json,
types.T_binary, types.T_varbinary, types.T_blob, types.T_text:
return buf
case types.T_array_float32:
// Used by MO_TABLE_COL_MAX and ZoneMap.String()
return types.BytesToArray[float32](buf)
case types.T_array_float64:
return types.BytesToArray[float64](buf)
}
panic(fmt.Sprintf("unsupported type: %v", zm.GetType()))
}
func (zm ZM) updateMinString(v []byte) {
size := len(v)
if size > 30 {
size = 30
}
copy(zm[:], v[:size])
zm[30] = byte(size)
}
func (zm ZM) updateMaxString(v []byte) {
size := len(v)
var flag byte
if size > 30 {
size = 30
copy(zm[31:], v[:size])
if hasMaxPrefix(v) {
flag |= 0x80
} else {
adjustBytes(zm[31:61])
}
} else {
copy(zm[31:], v[:size])
}
flag |= byte(size)
zm[61] = flag
}
func (zm ZM) updateMinFixed(v []byte) {
copy(zm[:], v)
zm[30] = byte(len(v))
}
func (zm ZM) updateMaxFixed(v []byte) {
copy(zm[31:], v)
zm[61] = byte(len(v))
}
func (zm ZM) compareCheck(o ZM) (ok bool) {
if !zm.IsInited() || !o.IsInited() {
return false
}
return zm.GetType() == o.GetType() || (zm.IsString() && o.IsString())
}
func (zm ZM) AnyGT(o ZM) (res bool, ok bool) {
if !zm.compareCheck(o) {
ok = false
return
}
// zm.max > o.min
ok = true
res = compute.Compare(zm.GetMaxBuf(), o.GetMinBuf(), zm.GetType(), zm.GetScale(), o.GetScale()) > 0
return
}
func (zm ZM) AnyGE(o ZM) (res bool, ok bool) {
if !zm.compareCheck(o) {
ok = false
return
}
// zm.max >= o.min
ok = true
res = compute.Compare(zm.GetMaxBuf(), o.GetMinBuf(), zm.GetType(), zm.GetScale(), o.GetScale()) >= 0
return
}
func (zm ZM) AnyLT(o ZM) (res bool, ok bool) {
if !zm.compareCheck(o) {
ok = false
return
}
// zm.min < o.max
ok = true
res = compute.Compare(zm.GetMinBuf(), o.GetMaxBuf(), zm.GetType(), zm.GetScale(), o.GetScale()) < 0
return
}
func (zm ZM) AnyLE(o ZM) (res bool, ok bool) {
if !zm.compareCheck(o) {
ok = false
return
}
// zm.min <= o.max
ok = true
res = compute.Compare(zm.GetMinBuf(), o.GetMaxBuf(), zm.GetType(), zm.GetScale(), o.GetScale()) <= 0
return
}
func (zm ZM) AnyBetween(lb, ub ZM) (res bool, ok bool) {
if !zm.compareCheck(lb) || !zm.compareCheck(ub) {
ok = false
return
}
// zm.max >= lb.min && zm.min <= ub.max
ok = true
res = compute.Compare(zm.GetMaxBuf(), lb.GetMinBuf(), zm.GetType(), zm.GetScale(), lb.GetScale()) >= 0 &&
compute.Compare(zm.GetMinBuf(), ub.GetMaxBuf(), zm.GetType(), zm.GetScale(), ub.GetScale()) <= 0
return
}
func (zm ZM) FastIntersect(o ZM) (res bool) {
t := zm.GetType()
// zm.max >= o.min && zm.min <= v2.max
res = compute.Compare(zm.GetMaxBuf(), o.GetMinBuf(), t, zm.GetScale(), o.GetScale()) >= 0 &&
compute.Compare(zm.GetMinBuf(), o.GetMaxBuf(), t, zm.GetScale(), o.GetScale()) <= 0
return
}
func (zm ZM) Intersect(o ZM) (res bool, ok bool) {
if !zm.compareCheck(o) {
ok = false
return
}
ok = true
res = zm.FastIntersect(o)
return
}
// both zm should be of type bool, otherwise, ok is false
// res is true only when zm.min == true and o.min == true
func (zm ZM) And(o ZM) (res bool, ok bool) {
if !zm.compareCheck(o) {
ok = false
return
}
t := zm.GetType()
if t != types.T_bool {
ok = false
return
}
ok = true
if !types.DecodeBool(zm.GetMinBuf()) {
return
}
res = types.DecodeBool(o.GetMinBuf())
return
}
// both zm should be of type bool, otherwise, ok is false
// res is false only when zm.max == false and o.max == false
func (zm ZM) Or(o ZM) (res bool, ok bool) {
if !zm.compareCheck(o) {
ok = false
return
}
t := zm.GetType()
if t != types.T_bool {
ok = false
return
}
res, ok = true, true
if !types.DecodeBool(zm.GetMaxBuf()) && !types.DecodeBool(o.GetMaxBuf()) {
res = false
}
return
}
func (zm ZM) PrefixEq(s []byte) bool {
zmin := zm.GetMinBuf()
zmax := zm.GetMaxBuf()
return types.PrefixCompare(zmin, s) <= 0 && types.PrefixCompare(zmax, s) >= 0
}
func (zm ZM) PrefixBetween(lb, ub []byte) bool {
zmin := zm.GetMinBuf()
zmax := zm.GetMaxBuf()
return types.PrefixCompare(zmin, ub) <= 0 && types.PrefixCompare(zmax, lb) >= 0
}
func (zm ZM) PrefixIn(vec *vector.Vector) bool {
col, area := vector.MustVarlenaRawData(vec)
minVal, maxVal := zm.GetMinBuf(), zm.GetMaxBuf()
lowerBound := sort.Search(len(col), func(i int) bool {
return types.PrefixCompare(minVal, col[i].GetByteSlice(area)) <= 0
})
return lowerBound < len(col) && types.PrefixCompare(maxVal, col[lowerBound].GetByteSlice(area)) >= 0
}
func (zm ZM) AnyIn(vec *vector.Vector) bool {
switch vec.GetType().Oid {
case types.T_bool:
col := vector.MustFixedCol[bool](vec)
minVal, maxVal := types.DecodeBool(zm.GetMinBuf()), types.DecodeBool(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return !minVal || col[i]
})
return lowerBound < len(col) && (maxVal || !col[lowerBound])
case types.T_int8:
col := vector.MustFixedCol[int8](vec)
minVal, maxVal := types.DecodeInt8(zm.GetMinBuf()), types.DecodeInt8(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_int16:
col := vector.MustFixedCol[int16](vec)
minVal, maxVal := types.DecodeInt16(zm.GetMinBuf()), types.DecodeInt16(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_int32:
col := vector.MustFixedCol[int32](vec)
minVal, maxVal := types.DecodeInt32(zm.GetMinBuf()), types.DecodeInt32(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_int64:
col := vector.MustFixedCol[int64](vec)
minVal, maxVal := types.DecodeInt64(zm.GetMinBuf()), types.DecodeInt64(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_uint8:
col := vector.MustFixedCol[uint8](vec)
minVal, maxVal := types.DecodeUint8(zm.GetMinBuf()), types.DecodeUint8(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_uint16:
col := vector.MustFixedCol[uint16](vec)
minVal, maxVal := types.DecodeUint16(zm.GetMinBuf()), types.DecodeUint16(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_uint32:
col := vector.MustFixedCol[uint32](vec)
minVal, maxVal := types.DecodeUint32(zm.GetMinBuf()), types.DecodeUint32(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_uint64:
col := vector.MustFixedCol[uint64](vec)
minVal, maxVal := types.DecodeUint64(zm.GetMinBuf()), types.DecodeUint64(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_float32:
col := vector.MustFixedCol[float32](vec)
minVal, maxVal := types.DecodeFloat32(zm.GetMinBuf()), types.DecodeFloat32(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_float64:
col := vector.MustFixedCol[float64](vec)
minVal, maxVal := types.DecodeFloat64(zm.GetMinBuf()), types.DecodeFloat64(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_date:
col := vector.MustFixedCol[types.Date](vec)
minVal, maxVal := types.DecodeDate(zm.GetMinBuf()), types.DecodeDate(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_datetime:
col := vector.MustFixedCol[types.Datetime](vec)
minVal, maxVal := types.DecodeDatetime(zm.GetMinBuf()), types.DecodeDatetime(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_time:
col := vector.MustFixedCol[types.Time](vec)
minVal, maxVal := types.DecodeTime(zm.GetMinBuf()), types.DecodeTime(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_timestamp:
col := vector.MustFixedCol[types.Timestamp](vec)
minVal, maxVal := types.DecodeTimestamp(zm.GetMinBuf()), types.DecodeTimestamp(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_enum:
col := vector.MustFixedCol[types.Enum](vec)
minVal, maxVal := types.DecodeEnum(zm.GetMinBuf()), types.DecodeEnum(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal <= col[i]
})
return lowerBound < len(col) && maxVal >= col[lowerBound]
case types.T_decimal64:
col := vector.MustFixedCol[types.Decimal64](vec)
minVal, maxVal := types.DecodeDecimal64(zm.GetMinBuf()), types.DecodeDecimal64(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return !col[i].Less(minVal)
})
return lowerBound < len(col) && !maxVal.Less(col[lowerBound])
case types.T_decimal128:
col := vector.MustFixedCol[types.Decimal128](vec)
minVal, maxVal := types.DecodeDecimal128(zm.GetMinBuf()), types.DecodeDecimal128(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return !col[i].Less(minVal)
})
return lowerBound < len(col) && !maxVal.Less(col[lowerBound])
case types.T_TS:
col := vector.MustFixedCol[types.TS](vec)
minVal, maxVal := types.DecodeFixed[types.TS](zm.GetMinBuf()), types.DecodeFixed[types.TS](zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal.LessEq(col[i])
})
return lowerBound < len(col) && col[lowerBound].LessEq(maxVal)
case types.T_uuid:
col := vector.MustFixedCol[types.Uuid](vec)
minVal, maxVal := types.DecodeUuid(zm.GetMinBuf()), types.DecodeUuid(zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal.Le(col[i])
})
return lowerBound < len(col) && col[lowerBound].Le(maxVal)
case types.T_Rowid:
col := vector.MustFixedCol[types.Rowid](vec)
minVal, maxVal := types.DecodeFixed[types.Rowid](zm.GetMinBuf()), types.DecodeFixed[types.Rowid](zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return minVal.Le(col[i])
})
return lowerBound < len(col) && col[lowerBound].Le(maxVal)
case types.T_char, types.T_varchar, types.T_json, types.T_binary, types.T_varbinary, types.T_blob, types.T_text:
col, area := vector.MustVarlenaRawData(vec)
minVal, maxVal := zm.GetMinBuf(), zm.GetMaxBuf()
lowerBound := sort.Search(len(col), func(i int) bool {
return types.PrefixCompare(minVal, col[i].GetByteSlice(area)) <= 0
})
return lowerBound < len(col) && types.PrefixCompare(maxVal, col[lowerBound].GetByteSlice(area)) >= 0
case types.T_array_float32:
col := vector.MustArrayCol[float32](vec)
minVal, maxVal := types.BytesToArray[float32](zm.GetMinBuf()), types.BytesToArray[float32](zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return moarray.Compare[float32](minVal, col[i]) <= 0
})
return lowerBound < len(col) && moarray.Compare[float32](maxVal, col[lowerBound]) >= 0
case types.T_array_float64:
col := vector.MustArrayCol[float64](vec)
minVal, maxVal := types.BytesToArray[float64](zm.GetMinBuf()), types.BytesToArray[float64](zm.GetMaxBuf())
lowerBound := sort.Search(len(col), func(i int) bool {
return moarray.Compare[float64](minVal, col[i]) <= 0
})
return lowerBound < len(col) && moarray.Compare[float64](maxVal, col[lowerBound]) >= 0
default:
return true
}
}
// max = v1.max+v2.max
// min = v1.min+v2.min
func ZMPlus(v1, v2, res ZM) ZM {
res.Reset()
if !v1.compareCheck(v2) {
return res
}
// check supported type
if len(res) != ZMSize {
res = NewZM(v1.GetType(), v1.GetScale())
}
if !applyArithmetic(v1, v2, res, '+', v1.GetScale(), v2.GetScale()) {
res.Reset()
}
return res
}
// max = v1.max-v2.min
// min = v1.max-v2.min
func ZMMinus(v1, v2, res ZM) ZM {
res.Reset()
if !v1.compareCheck(v2) {
return res
}
// check supported type
if len(res) != ZMSize {
res = NewZM(v1.GetType(), v1.GetScale())
}
if !applyArithmetic(v1, v2, res, '-', v1.GetScale(), v2.GetScale()) {
res.Reset()
}
return res
}
// v1 product v2 => p[r0,r1,r2,r3]
// min,max = Min(p),Max(p)
func ZMMulti(v1, v2, res ZM) ZM {
res.Reset()
if !v1.compareCheck(v2) {
return res
}
// check supported type
if len(res) != ZMSize {
res = NewZM(v1.GetType(), v1.GetScale())
}
if !applyArithmetic(v1, v2, res, '*', v1.GetScale(), v2.GetScale()) {
res.Reset()
}
return res
}
func applyArithmetic(v1, v2, res ZM, op byte, scale1, scale2 int32) (ok bool) {
ok = true
switch v1.GetType() {
case types.T_int8:
var minv, maxv int8
switch op {
case '+':
maxv = types.DecodeInt8(v1.GetMaxBuf()) + types.DecodeInt8(v2.GetMaxBuf())
minv = types.DecodeInt8(v1.GetMinBuf()) + types.DecodeInt8(v2.GetMinBuf())
case '-':
maxv = types.DecodeInt8(v1.GetMaxBuf()) - types.DecodeInt8(v2.GetMinBuf())
minv = types.DecodeInt8(v1.GetMinBuf()) - types.DecodeInt8(v2.GetMaxBuf())
case '*':
v1_0, v1_1 := types.DecodeInt8(v1.GetMinBuf()), types.DecodeInt8(v1.GetMaxBuf())
v2_0, v2_1 := types.DecodeInt8(v2.GetMinBuf()), types.DecodeInt8(v2.GetMaxBuf())
minv, maxv = compute.GetOrderedMinAndMax(v1_0*v2_0, v1_0*v2_1, v1_1*v2_0, v1_1*v2_1)
default:
ok = false
return
}
UpdateZM(res, types.EncodeInt8(&minv))
UpdateZM(res, types.EncodeInt8(&maxv))
case types.T_int16:
var minv, maxv int16
switch op {
case '+':
maxv = types.DecodeInt16(v1.GetMaxBuf()) + types.DecodeInt16(v2.GetMaxBuf())
minv = types.DecodeInt16(v1.GetMinBuf()) + types.DecodeInt16(v2.GetMinBuf())
case '-':
maxv = types.DecodeInt16(v1.GetMaxBuf()) - types.DecodeInt16(v2.GetMinBuf())
minv = types.DecodeInt16(v1.GetMinBuf()) - types.DecodeInt16(v2.GetMaxBuf())
case '*':
v1_0, v1_1 := types.DecodeInt16(v1.GetMinBuf()), types.DecodeInt16(v1.GetMaxBuf())
v2_0, v2_1 := types.DecodeInt16(v2.GetMinBuf()), types.DecodeInt16(v2.GetMaxBuf())
minv, maxv = compute.GetOrderedMinAndMax(v1_0*v2_0, v1_0*v2_1, v1_1*v2_0, v1_1*v2_1)
default:
ok = false
return
}
UpdateZM(res, types.EncodeInt16(&minv))
UpdateZM(res, types.EncodeInt16(&maxv))
case types.T_int32:
var minv, maxv int32
switch op {
case '+':
maxv = types.DecodeInt32(v1.GetMaxBuf()) + types.DecodeInt32(v2.GetMaxBuf())
minv = types.DecodeInt32(v1.GetMinBuf()) + types.DecodeInt32(v2.GetMinBuf())
case '-':
maxv = types.DecodeInt32(v1.GetMaxBuf()) - types.DecodeInt32(v2.GetMinBuf())
minv = types.DecodeInt32(v1.GetMinBuf()) - types.DecodeInt32(v2.GetMaxBuf())
case '*':
v1_0, v1_1 := types.DecodeInt32(v1.GetMinBuf()), types.DecodeInt32(v1.GetMaxBuf())
v2_0, v2_1 := types.DecodeInt32(v2.GetMinBuf()), types.DecodeInt32(v2.GetMaxBuf())
minv, maxv = compute.GetOrderedMinAndMax(v1_0*v2_0, v1_0*v2_1, v1_1*v2_0, v1_1*v2_1)
default:
ok = false
return
}
UpdateZM(res, types.EncodeInt32(&minv))
UpdateZM(res, types.EncodeInt32(&maxv))
case types.T_int64:
var minv, maxv int64
switch op {
case '+':
maxv = types.DecodeInt64(v1.GetMaxBuf()) + types.DecodeInt64(v2.GetMaxBuf())
minv = types.DecodeInt64(v1.GetMinBuf()) + types.DecodeInt64(v2.GetMinBuf())
case '-':
maxv = types.DecodeInt64(v1.GetMaxBuf()) - types.DecodeInt64(v2.GetMinBuf())
minv = types.DecodeInt64(v1.GetMinBuf()) - types.DecodeInt64(v2.GetMaxBuf())
case '*':
v1_0, v1_1 := types.DecodeInt64(v1.GetMinBuf()), types.DecodeInt64(v1.GetMaxBuf())
v2_0, v2_1 := types.DecodeInt64(v2.GetMinBuf()), types.DecodeInt64(v2.GetMaxBuf())
minv, maxv = compute.GetOrderedMinAndMax(v1_0*v2_0, v1_0*v2_1, v1_1*v2_0, v1_1*v2_1)
default:
ok = false
return
}
UpdateZM(res, types.EncodeInt64(&minv))
UpdateZM(res, types.EncodeInt64(&maxv))
case types.T_uint8:
var minv, maxv uint8
switch op {
case '+':
maxv = types.DecodeUint8(v1.GetMaxBuf()) + types.DecodeUint8(v2.GetMaxBuf())
minv = types.DecodeUint8(v1.GetMinBuf()) + types.DecodeUint8(v2.GetMinBuf())
case '-':
maxv = types.DecodeUint8(v1.GetMaxBuf()) - types.DecodeUint8(v2.GetMinBuf())
minv = types.DecodeUint8(v1.GetMinBuf()) - types.DecodeUint8(v2.GetMaxBuf())
case '*':
v1_0, v1_1 := types.DecodeUint8(v1.GetMinBuf()), types.DecodeUint8(v1.GetMaxBuf())
v2_0, v2_1 := types.DecodeUint8(v2.GetMinBuf()), types.DecodeUint8(v2.GetMaxBuf())
minv, maxv = compute.GetOrderedMinAndMax(v1_0*v2_0, v1_0*v2_1, v1_1*v2_0, v1_1*v2_1)
default:
ok = false
return
}
UpdateZM(res, types.EncodeUint8(&minv))
UpdateZM(res, types.EncodeUint8(&maxv))
case types.T_uint16:
var minv, maxv uint16
switch op {
case '+':
maxv = types.DecodeUint16(v1.GetMaxBuf()) + types.DecodeUint16(v2.GetMaxBuf())
minv = types.DecodeUint16(v1.GetMinBuf()) + types.DecodeUint16(v2.GetMinBuf())
case '-':
maxv = types.DecodeUint16(v1.GetMaxBuf()) - types.DecodeUint16(v2.GetMinBuf())
minv = types.DecodeUint16(v1.GetMinBuf()) - types.DecodeUint16(v2.GetMaxBuf())
case '*':
v1_0, v1_1 := types.DecodeUint16(v1.GetMinBuf()), types.DecodeUint16(v1.GetMaxBuf())
v2_0, v2_1 := types.DecodeUint16(v2.GetMinBuf()), types.DecodeUint16(v2.GetMaxBuf())
minv, maxv = compute.GetOrderedMinAndMax(v1_0*v2_0, v1_0*v2_1, v1_1*v2_0, v1_1*v2_1)
default:
ok = false
return
}
UpdateZM(res, types.EncodeUint16(&minv))
UpdateZM(res, types.EncodeUint16(&maxv))
case types.T_uint32:
var minv, maxv uint32
switch op {
case '+':
maxv = types.DecodeUint32(v1.GetMaxBuf()) + types.DecodeUint32(v2.GetMaxBuf())
minv = types.DecodeUint32(v1.GetMinBuf()) + types.DecodeUint32(v2.GetMinBuf())
case '-':
maxv = types.DecodeUint32(v1.GetMaxBuf()) - types.DecodeUint32(v2.GetMinBuf())
minv = types.DecodeUint32(v1.GetMinBuf()) - types.DecodeUint32(v2.GetMaxBuf())
case '*':
v1_0, v1_1 := types.DecodeUint32(v1.GetMinBuf()), types.DecodeUint32(v1.GetMaxBuf())
v2_0, v2_1 := types.DecodeUint32(v2.GetMinBuf()), types.DecodeUint32(v2.GetMaxBuf())
minv, maxv = compute.GetOrderedMinAndMax(v1_0*v2_0, v1_0*v2_1, v1_1*v2_0, v1_1*v2_1)
default:
ok = false
return
}
UpdateZM(res, types.EncodeUint32(&minv))
UpdateZM(res, types.EncodeUint32(&maxv))
case types.T_uint64:
var minv, maxv uint64
switch op {
case '+':
maxv = types.DecodeUint64(v1.GetMaxBuf()) + types.DecodeUint64(v2.GetMaxBuf())
minv = types.DecodeUint64(v1.GetMinBuf()) + types.DecodeUint64(v2.GetMinBuf())
case '-':