tidb builtin_compare_vec 源码
tidb builtin_compare_vec 代码
文件路径：/expression/builtin_compare_vec.go
// Copyright 2019 PingCAP, Inc.
//
// 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 expression
import (
"strings"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/chunk"
)
// vecEvalDecimal evals a builtinGreatestDecimalSig.
// See http://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#function_greatest
func (b *builtinGreatestDecimalSig) vecEvalDecimal(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
if err := b.args[0].VecEvalDecimal(b.ctx, input, result); err != nil {
return err
}
d64s := result.Decimals()
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalDecimal(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
for i := 0; i < n; i++ {
if result.IsNull(i) {
continue
}
v := buf.GetDecimal(i)
if v.Compare(&d64s[i]) > 0 {
d64s[i] = *v
}
}
}
return nil
}
func (b *builtinGreatestDecimalSig) vectorized() bool {
return true
}
func (b *builtinLeastDecimalSig) vecEvalDecimal(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
if err := b.args[0].VecEvalDecimal(b.ctx, input, result); err != nil {
return err
}
d64s := result.Decimals()
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalDecimal(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
for i := 0; i < n; i++ {
if result.IsNull(i) {
continue
}
v := buf.GetDecimal(i)
if v.Compare(&d64s[i]) < 0 {
d64s[i] = *v
}
}
}
return nil
}
func (b *builtinLeastDecimalSig) vectorized() bool {
return true
}
func (b *builtinLeastIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
if err := b.args[0].VecEvalInt(b.ctx, input, result); err != nil {
return err
}
i64s := result.Int64s()
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalInt(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
for i := 0; i < n; i++ {
if result.IsNull(i) {
continue
}
v := buf.GetInt64(i)
if v < i64s[i] {
i64s[i] = v
}
}
}
return nil
}
func (b *builtinLeastIntSig) vectorized() bool {
return true
}
func (b *builtinGreatestIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
if err := b.args[0].VecEvalInt(b.ctx, input, result); err != nil {
return err
}
i64s := result.Int64s()
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalInt(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
v := buf.Int64s()
for i := 0; i < n; i++ {
if result.IsNull(i) {
continue
}
if v[i] > i64s[i] {
i64s[i] = v[i]
}
}
}
return nil
}
func (b *builtinGreatestIntSig) vectorized() bool {
return true
}
func (b *builtinGEIntSig) vectorized() bool {
return true
}
func (b *builtinGEIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
var err error
var buf0, buf1 *chunk.Column
buf0, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf0)
if err = b.args[0].VecEvalInt(b.ctx, input, buf0); err != nil {
return err
}
buf1, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
if err = b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil {
return err
}
result.ResizeInt64(n, false)
vecCompareInt(mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), mysql.HasUnsignedFlag(b.args[1].GetType().GetFlag()), buf0, buf1, result)
result.MergeNulls(buf0, buf1)
vecResOfGE(result.Int64s())
return nil
}
func (b *builtinLeastRealSig) vectorized() bool {
return true
}
func (b *builtinLeastRealSig) vecEvalReal(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
if err := b.args[0].VecEvalReal(b.ctx, input, result); err != nil {
return err
}
f64s := result.Float64s()
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalReal(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
v := buf.Float64s()
for i := 0; i < n; i++ {
if result.IsNull(i) {
continue
}
if v[i] < f64s[i] {
f64s[i] = v[i]
}
}
}
return nil
}
func (b *builtinLeastStringSig) vectorized() bool {
return true
}
func (b *builtinLeastStringSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
if err := b.args[0].VecEvalString(b.ctx, input, result); err != nil {
return err
}
n := input.NumRows()
buf1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
buf2, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf2)
src := result
arg := buf1
dst := buf2
dst.ReserveString(n)
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalString(b.ctx, input, arg); err != nil {
return err
}
for i := 0; i < n; i++ {
if src.IsNull(i) || arg.IsNull(i) {
dst.AppendNull()
continue
}
srcStr := src.GetString(i)
argStr := arg.GetString(i)
if types.CompareString(srcStr, argStr, b.collation) < 0 {
dst.AppendString(srcStr)
} else {
dst.AppendString(argStr)
}
}
src, dst = dst, src
arg.ReserveString(n)
dst.ReserveString(n)
}
if len(b.args)%2 == 0 {
src.CopyConstruct(result)
}
return nil
}
func (b *builtinEQIntSig) vectorized() bool {
return true
}
func (b *builtinEQIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
var err error
var buf0, buf1 *chunk.Column
buf0, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf0)
if err := b.args[0].VecEvalInt(b.ctx, input, buf0); err != nil {
return err
}
buf1, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
if err := b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil {
return err
}
result.ResizeInt64(n, false)
vecCompareInt(mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), mysql.HasUnsignedFlag(b.args[1].GetType().GetFlag()), buf0, buf1, result)
result.MergeNulls(buf0, buf1)
vecResOfEQ(result.Int64s())
return nil
}
func (b *builtinNEIntSig) vectorized() bool {
return true
}
func (b *builtinNEIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
var err error
var buf0, buf1 *chunk.Column
buf0, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf0)
if err := b.args[0].VecEvalInt(b.ctx, input, buf0); err != nil {
return err
}
buf1, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
if err := b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil {
return err
}
result.ResizeInt64(n, false)
vecCompareInt(mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), mysql.HasUnsignedFlag(b.args[1].GetType().GetFlag()), buf0, buf1, result)
result.MergeNulls(buf0, buf1)
vecResOfNE(result.Int64s())
return nil
}
func (b *builtinGTIntSig) vectorized() bool {
return true
}
func (b *builtinGTIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
var err error
var buf0, buf1 *chunk.Column
buf0, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf0)
if err := b.args[0].VecEvalInt(b.ctx, input, buf0); err != nil {
return err
}
buf1, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
if err := b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil {
return err
}
result.ResizeInt64(n, false)
vecCompareInt(mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), mysql.HasUnsignedFlag(b.args[1].GetType().GetFlag()), buf0, buf1, result)
result.MergeNulls(buf0, buf1)
vecResOfGT(result.Int64s())
return nil
}
func (b *builtinNullEQIntSig) vectorized() bool {
return true
}
func (b *builtinNullEQIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf0, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf0)
if err := b.args[0].VecEvalInt(b.ctx, input, buf0); err != nil {
return err
}
buf1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
result.ResizeInt64(n, false)
if err := b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil {
return err
}
vecCompareInt(mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), mysql.HasUnsignedFlag(b.args[1].GetType().GetFlag()), buf0, buf1, result)
i64s := result.Int64s()
for i := 0; i < n; i++ {
isNull0 := buf0.IsNull(i)
isNull1 := buf1.IsNull(i)
if isNull0 && isNull1 {
i64s[i] = 1
} else if isNull0 || isNull1 || i64s[i] != 0 {
i64s[i] = 0
} else {
i64s[i] = 1
}
}
return nil
}
func (b *builtinIntervalIntSig) vectorized() bool {
return true
}
func (b *builtinIntervalIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
var err error
if err = b.args[0].VecEvalInt(b.ctx, input, result); err != nil {
return err
}
i64s := result.Int64s()
var idx int
for i, v := range i64s {
if result.IsNull(i) {
result.SetNull(i, false)
i64s[i] = -1
continue
}
if b.hasNullable {
idx, err = b.linearSearch(v, mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), b.args[1:], input.GetRow(i))
} else {
idx, err = b.binSearch(v, mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), b.args[1:], input.GetRow(i))
}
if err != nil {
return err
}
i64s[i] = int64(idx)
}
return nil
}
func (b *builtinIntervalRealSig) vectorized() bool {
return true
}
func (b *builtinIntervalRealSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
if err = b.args[0].VecEvalReal(b.ctx, input, buf); err != nil {
return err
}
f64s := buf.Float64s()
result.ResizeInt64(n, false)
res := result.Int64s()
var idx int
for i := 0; i < n; i++ {
if buf.IsNull(i) {
res[i] = -1
continue
}
if b.hasNullable {
idx, err = b.linearSearch(f64s[i], b.args[1:], input.GetRow(i))
} else {
idx, err = b.binSearch(f64s[i], b.args[1:], input.GetRow(i))
}
if err != nil {
return err
}
res[i] = int64(idx)
}
return nil
}
func (b *builtinLEIntSig) vectorized() bool {
return true
}
func (b *builtinLEIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
var err error
var buf0, buf1 *chunk.Column
buf0, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf0)
if err := b.args[0].VecEvalInt(b.ctx, input, buf0); err != nil {
return err
}
buf1, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
if err := b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil {
return err
}
result.ResizeInt64(n, false)
vecCompareInt(mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), mysql.HasUnsignedFlag(b.args[1].GetType().GetFlag()), buf0, buf1, result)
result.MergeNulls(buf0, buf1)
vecResOfLE(result.Int64s())
return nil
}
func (b *builtinLTIntSig) vectorized() bool {
return true
}
func (b *builtinLTIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
var err error
var buf0, buf1 *chunk.Column
buf0, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf0)
if err := b.args[0].VecEvalInt(b.ctx, input, buf0); err != nil {
return err
}
buf1, err = b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
if err := b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil {
return err
}
result.ResizeInt64(n, false)
vecCompareInt(mysql.HasUnsignedFlag(b.args[0].GetType().GetFlag()), mysql.HasUnsignedFlag(b.args[1].GetType().GetFlag()), buf0, buf1, result)
result.MergeNulls(buf0, buf1)
vecResOfLT(result.Int64s())
return nil
}
func vecResOfLT(res []int64) {
n := len(res)
for i := 0; i < n; i++ {
if res[i] < 0 {
res[i] = 1
} else {
res[i] = 0
}
}
}
func vecResOfNE(res []int64) {
n := len(res)
for i := 0; i < n; i++ {
if res[i] != 0 {
res[i] = 1
} else {
res[i] = 0
}
}
}
func vecResOfEQ(res []int64) {
n := len(res)
for i := 0; i < n; i++ {
if res[i] == 0 {
res[i] = 1
} else {
res[i] = 0
}
}
}
func vecResOfLE(res []int64) {
n := len(res)
for i := 0; i < n; i++ {
if res[i] <= 0 {
res[i] = 1
} else {
res[i] = 0
}
}
}
func vecResOfGT(res []int64) {
n := len(res)
for i := 0; i < n; i++ {
if res[i] > 0 {
res[i] = 1
} else {
res[i] = 0
}
}
}
func vecResOfGE(res []int64) {
n := len(res)
for i := 0; i < n; i++ {
if res[i] >= 0 {
res[i] = 1
} else {
res[i] = 0
}
}
}
// vecCompareInt is vectorized CompareInt()
func vecCompareInt(isUnsigned0, isUnsigned1 bool, largs, rargs, result *chunk.Column) {
switch {
case isUnsigned0 && isUnsigned1:
types.VecCompareUU(largs.Uint64s(), rargs.Uint64s(), result.Int64s())
case isUnsigned0 && !isUnsigned1:
types.VecCompareUI(largs.Uint64s(), rargs.Int64s(), result.Int64s())
case !isUnsigned0 && isUnsigned1:
types.VecCompareIU(largs.Int64s(), rargs.Uint64s(), result.Int64s())
case !isUnsigned0 && !isUnsigned1:
types.VecCompareII(largs.Int64s(), rargs.Int64s(), result.Int64s())
}
}
func (b *builtinGreatestCmpStringAsTimeSig) vectorized() bool {
return true
}
func (b *builtinGreatestCmpStringAsTimeSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
sc := b.ctx.GetSessionVars().StmtCtx
n := input.NumRows()
dstStrings := make([]string, n)
// TODO: use Column.MergeNulls instead, however, it doesn't support var-length type currently.
dstNullMap := make([]bool, n)
for j := 0; j < len(b.args); j++ {
if err := b.args[j].VecEvalString(b.ctx, input, result); err != nil {
return err
}
for i := 0; i < n; i++ {
if dstNullMap[i] = dstNullMap[i] || result.IsNull(i); dstNullMap[i] {
continue
}
// NOTE: can't use Column.GetString because it returns an unsafe string, copy the row instead.
argTimeStr := string(result.GetBytes(i))
var err error
argTimeStr, err = doTimeConversionForGL(b.cmpAsDate, b.ctx, sc, argTimeStr)
if err != nil {
return err
}
if j == 0 || strings.Compare(argTimeStr, dstStrings[i]) > 0 {
dstStrings[i] = argTimeStr
}
}
}
// Aggregate the NULL and String value into result
result.ReserveString(n)
for i := 0; i < n; i++ {
if dstNullMap[i] {
result.AppendNull()
} else {
result.AppendString(dstStrings[i])
}
}
return nil
}
func (b *builtinGreatestRealSig) vectorized() bool {
return true
}
func (b *builtinGreatestRealSig) vecEvalReal(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
if err := b.args[0].VecEvalReal(b.ctx, input, result); err != nil {
return err
}
f64s := result.Float64s()
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalReal(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
v := buf.Float64s()
for i := 0; i < n; i++ {
if result.IsNull(i) {
continue
}
if v[i] > f64s[i] {
f64s[i] = v[i]
}
}
}
return nil
}
func (b *builtinLeastCmpStringAsTimeSig) vectorized() bool {
return true
}
func (b *builtinLeastCmpStringAsTimeSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
sc := b.ctx.GetSessionVars().StmtCtx
n := input.NumRows()
dstStrings := make([]string, n)
// TODO: use Column.MergeNulls instead, however, it doesn't support var-length type currently.
dstNullMap := make([]bool, n)
for j := 0; j < len(b.args); j++ {
if err := b.args[j].VecEvalString(b.ctx, input, result); err != nil {
return err
}
for i := 0; i < n; i++ {
if dstNullMap[i] = dstNullMap[i] || result.IsNull(i); dstNullMap[i] {
continue
}
// NOTE: can't use Column.GetString because it returns an unsafe string, copy the row instead.
argTimeStr := string(result.GetBytes(i))
var err error
argTimeStr, err = doTimeConversionForGL(b.cmpAsDate, b.ctx, sc, argTimeStr)
if err != nil {
return err
}
if j == 0 || strings.Compare(argTimeStr, dstStrings[i]) < 0 {
dstStrings[i] = argTimeStr
}
}
}
// Aggregate the NULL and String value into result
result.ReserveString(n)
for i := 0; i < n; i++ {
if dstNullMap[i] {
result.AppendNull()
} else {
result.AppendString(dstStrings[i])
}
}
return nil
}
func (b *builtinGreatestStringSig) vectorized() bool {
return true
}
func (b *builtinGreatestStringSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
if err := b.args[0].VecEvalString(b.ctx, input, result); err != nil {
return err
}
n := input.NumRows()
buf1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf1)
buf2, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf2)
src := result
arg := buf1
dst := buf2
dst.ReserveString(n)
for j := 1; j < len(b.args); j++ {
if err := b.args[j].VecEvalString(b.ctx, input, arg); err != nil {
return err
}
for i := 0; i < n; i++ {
if src.IsNull(i) || arg.IsNull(i) {
dst.AppendNull()
continue
}
srcStr := src.GetString(i)
argStr := arg.GetString(i)
if types.CompareString(srcStr, argStr, b.collation) > 0 {
dst.AppendString(srcStr)
} else {
dst.AppendString(argStr)
}
}
src, dst = dst, src
arg.ReserveString(n)
dst.ReserveString(n)
}
if len(b.args)%2 == 0 {
src.CopyConstruct(result)
}
return nil
}
func (b *builtinGreatestTimeSig) vectorized() bool {
return true
}
func (b *builtinGreatestTimeSig) vecEvalTime(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
result.ResizeTime(n, false)
for argIdx := 0; argIdx < len(b.args); argIdx++ {
if err := b.args[argIdx].VecEvalTime(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
resTimes := result.Times()
argTimes := buf.Times()
for rowIdx := 0; rowIdx < n; rowIdx++ {
if result.IsNull(rowIdx) {
continue
}
if argIdx == 0 || argTimes[rowIdx].Compare(resTimes[rowIdx]) > 0 {
resTimes[rowIdx] = argTimes[rowIdx]
}
}
}
sc := b.ctx.GetSessionVars().StmtCtx
resTimeTp := getAccurateTimeTypeForGLRet(b.cmpAsDate)
for rowIdx := 0; rowIdx < n; rowIdx++ {
resTimes := result.Times()
resTimes[rowIdx], err = resTimes[rowIdx].Convert(sc, resTimeTp)
if err != nil {
return err
}
}
return nil
}
func (b *builtinLeastTimeSig) vectorized() bool {
return true
}
func (b *builtinLeastTimeSig) vecEvalTime(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
result.ResizeTime(n, false)
for argIdx := 0; argIdx < len(b.args); argIdx++ {
if err := b.args[argIdx].VecEvalTime(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
resTimes := result.Times()
argTimes := buf.Times()
for rowIdx := 0; rowIdx < n; rowIdx++ {
if result.IsNull(rowIdx) {
continue
}
if argIdx == 0 || argTimes[rowIdx].Compare(resTimes[rowIdx]) < 0 {
resTimes[rowIdx] = argTimes[rowIdx]
}
}
}
sc := b.ctx.GetSessionVars().StmtCtx
resTimeTp := getAccurateTimeTypeForGLRet(b.cmpAsDate)
for rowIdx := 0; rowIdx < n; rowIdx++ {
resTimes := result.Times()
resTimes[rowIdx], err = resTimes[rowIdx].Convert(sc, resTimeTp)
if err != nil {
return err
}
}
return nil
}
func (b *builtinGreatestDurationSig) vectorized() bool {
return true
}
func (b *builtinGreatestDurationSig) vecEvalDuration(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
result.ResizeGoDuration(n, false)
for argIdx := 0; argIdx < len(b.args); argIdx++ {
if err := b.args[argIdx].VecEvalDuration(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
resDurations := result.GoDurations()
argDurations := buf.GoDurations()
for rowIdx := 0; rowIdx < n; rowIdx++ {
if result.IsNull(rowIdx) {
continue
}
if argIdx == 0 || argDurations[rowIdx] > resDurations[rowIdx] {
resDurations[rowIdx] = argDurations[rowIdx]
}
}
}
return nil
}
func (b *builtinLeastDurationSig) vectorized() bool {
return true
}
func (b *builtinLeastDurationSig) vecEvalDuration(input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
buf, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(buf)
result.ResizeGoDuration(n, false)
for argIdx := 0; argIdx < len(b.args); argIdx++ {
if err := b.args[argIdx].VecEvalDuration(b.ctx, input, buf); err != nil {
return err
}
result.MergeNulls(buf)
resDurations := result.GoDurations()
argDurations := buf.GoDurations()
for rowIdx := 0; rowIdx < n; rowIdx++ {
if result.IsNull(rowIdx) {
continue
}
if argIdx == 0 || argDurations[rowIdx] < resDurations[rowIdx] {
resDurations[rowIdx] = argDurations[rowIdx]
}
}
}
return nil
}
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