Files
tidb/pkg/expression/builtin_vec_vec.go
2025-05-06 14:03:42 +00:00

323 lines
7.1 KiB
Go

// Copyright 2024 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.
// Code generated by go generate in expression/generator; DO NOT EDIT.
package expression
import (
"math"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/chunk"
)
func (b *builtinVecDimsSig) vectorized() bool {
return true
}
func (b *builtinVecDimsSig) vecEvalInt(ctx EvalContext, 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].VecEvalVectorFloat32(ctx, input, buf); err != nil {
return err
}
result.ResizeInt64(n, false)
result.MergeNulls(buf)
res := result.Int64s()
for i := range n {
if result.IsNull(i) {
continue
}
length := buf.GetVectorFloat32(i).Len()
res[i] = int64(length)
}
return nil
}
func (b *builtinVecL1DistanceSig) vectorized() bool {
return true
}
func (b *builtinVecL1DistanceSig) vecEvalReal(ctx EvalContext, input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
col1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col1)
if err := b.args[0].VecEvalVectorFloat32(ctx, input, col1); err != nil {
return err
}
col2, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col2)
if err := b.args[1].VecEvalVectorFloat32(ctx, input, col2); err != nil {
return err
}
result.ResizeFloat64(n, false)
result.MergeNulls(col1, col2)
res := result.Float64s()
for i := range n {
if result.IsNull(i) {
continue
}
x := col1.GetVectorFloat32(i)
y := col2.GetVectorFloat32(i)
d, err := x.L1Distance(y)
if err != nil {
return err
}
if math.IsNaN(d) {
result.SetNull(i, true)
continue
}
res[i] = d
}
return nil
}
func (b *builtinVecL2DistanceSig) vectorized() bool {
return true
}
func (b *builtinVecL2DistanceSig) vecEvalReal(ctx EvalContext, input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
col1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col1)
if err := b.args[0].VecEvalVectorFloat32(ctx, input, col1); err != nil {
return err
}
col2, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col2)
if err := b.args[1].VecEvalVectorFloat32(ctx, input, col2); err != nil {
return err
}
result.ResizeFloat64(n, false)
result.MergeNulls(col1, col2)
res := result.Float64s()
for i := range n {
if result.IsNull(i) {
continue
}
x := col1.GetVectorFloat32(i)
y := col2.GetVectorFloat32(i)
d, err := x.L2Distance(y)
if err != nil {
return err
}
if math.IsNaN(d) {
result.SetNull(i, true)
continue
}
res[i] = d
}
return nil
}
func (b *builtinVecNegativeInnerProductSig) vectorized() bool {
return true
}
func (b *builtinVecNegativeInnerProductSig) vecEvalReal(ctx EvalContext, input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
col1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col1)
if err := b.args[0].VecEvalVectorFloat32(ctx, input, col1); err != nil {
return err
}
col2, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col2)
if err := b.args[1].VecEvalVectorFloat32(ctx, input, col2); err != nil {
return err
}
result.ResizeFloat64(n, false)
result.MergeNulls(col1, col2)
res := result.Float64s()
for i := range n {
if result.IsNull(i) {
continue
}
x := col1.GetVectorFloat32(i)
y := col2.GetVectorFloat32(i)
d, err := x.NegativeInnerProduct(y)
if err != nil {
return err
}
if math.IsNaN(d) {
result.SetNull(i, true)
continue
}
res[i] = d
}
return nil
}
func (b *builtinVecCosineDistanceSig) vectorized() bool {
return true
}
func (b *builtinVecCosineDistanceSig) vecEvalReal(ctx EvalContext, input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
col1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col1)
if err := b.args[0].VecEvalVectorFloat32(ctx, input, col1); err != nil {
return err
}
col2, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col2)
if err := b.args[1].VecEvalVectorFloat32(ctx, input, col2); err != nil {
return err
}
result.ResizeFloat64(n, false)
result.MergeNulls(col1, col2)
res := result.Float64s()
for i := range n {
if result.IsNull(i) {
continue
}
x := col1.GetVectorFloat32(i)
y := col2.GetVectorFloat32(i)
d, err := x.CosineDistance(y)
if err != nil {
return err
}
if math.IsNaN(d) {
result.SetNull(i, true)
continue
}
res[i] = d
}
return nil
}
func (b *builtinVecL2NormSig) vectorized() bool {
return true
}
func (b *builtinVecL2NormSig) vecEvalReal(ctx EvalContext, input *chunk.Chunk, result *chunk.Column) error {
n := input.NumRows()
col1, err := b.bufAllocator.get()
if err != nil {
return err
}
defer b.bufAllocator.put(col1)
if err := b.args[0].VecEvalVectorFloat32(ctx, input, col1); err != nil {
return err
}
result.ResizeFloat64(n, false)
result.MergeNulls(col1)
res := result.Float64s()
for i := range n {
if result.IsNull(i) {
continue
}
v := col1.GetVectorFloat32(i)
d := v.L2Norm()
if math.IsNaN(d) {
result.SetNull(i, true)
continue
}
res[i] = d
}
return nil
}
func (b *builtinVecFromTextSig) vectorized() bool {
return true
}
func (b *builtinVecFromTextSig) vecEvalVectorFloat32(ctx EvalContext, 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].VecEvalString(ctx, input, buf); err != nil {
return err
}
result.ReserveVectorFloat32(n)
for i := range n {
if buf.IsNull(i) {
result.AppendNull()
continue
}
v := buf.GetString(i)
vec, err := types.ParseVectorFloat32(v)
if err != nil {
return err
}
if err = vec.CheckDimsFitColumn(b.tp.GetFlen()); err != nil {
return err
}
result.AppendVectorFloat32(vec)
}
return nil
}
func (b *builtinVecAsTextSig) vectorized() bool {
return true
}
func (b *builtinVecAsTextSig) vecEvalString(ctx EvalContext, 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].VecEvalVectorFloat32(ctx, input, buf); err != nil {
return err
}
result.ReserveString(n)
for i := range n {
if buf.IsNull(i) {
result.AppendNull()
continue
}
vec := buf.GetVectorFloat32(i)
result.AppendString(vec.String())
}
return nil
}