You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
459 lines
12 KiB
459 lines
12 KiB
// 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,
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package expression
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/pingcap/errors"
|
|
"github.com/pingcap/tidb/types"
|
|
"github.com/pingcap/tidb/util/chunk"
|
|
"github.com/pingcap/tidb/util/collate"
|
|
"github.com/pingcap/tidb/util/stringutil"
|
|
)
|
|
|
|
func (b *builtinValuesIntSig) vectorized() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *builtinValuesIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
|
|
return errors.Errorf("not implemented")
|
|
}
|
|
|
|
func (b *builtinValuesDurationSig) vectorized() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *builtinValuesDurationSig) vecEvalDuration(input *chunk.Chunk, result *chunk.Column) error {
|
|
return errors.Errorf("not implemented")
|
|
}
|
|
|
|
func (b *builtinRowSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinRowSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
|
|
panic("builtinRowSig.vecEvalString() should never be called.")
|
|
}
|
|
|
|
func (b *builtinValuesRealSig) vectorized() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *builtinValuesRealSig) vecEvalReal(input *chunk.Chunk, result *chunk.Column) error {
|
|
return errors.Errorf("not implemented")
|
|
}
|
|
|
|
func (b *builtinValuesStringSig) vectorized() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *builtinValuesStringSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
|
|
return errors.Errorf("not implemented")
|
|
}
|
|
|
|
func (b *builtinValuesTimeSig) vectorized() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *builtinValuesTimeSig) vecEvalTime(input *chunk.Chunk, result *chunk.Column) error {
|
|
return errors.Errorf("not implemented")
|
|
}
|
|
|
|
func (b *builtinValuesJSONSig) vectorized() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *builtinValuesJSONSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Column) error {
|
|
return errors.Errorf("not implemented")
|
|
}
|
|
|
|
// bitCount returns the number of bits that are set in the argument 'value'.
|
|
func bitCount(value int64) int64 {
|
|
value = value - ((value >> 1) & 0x5555555555555555)
|
|
value = (value & 0x3333333333333333) + ((value >> 2) & 0x3333333333333333)
|
|
value = (value & 0x0f0f0f0f0f0f0f0f) + ((value >> 4) & 0x0f0f0f0f0f0f0f0f)
|
|
value = value + (value >> 8)
|
|
value = value + (value >> 16)
|
|
value = value + (value >> 32)
|
|
value = value & 0x7f
|
|
return value
|
|
}
|
|
func (b *builtinBitCountSig) vectorized() bool {
|
|
return true
|
|
}
|
|
func (b *builtinBitCountSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
if err := b.args[0].VecEvalInt(b.ctx, input, result); err != nil {
|
|
if types.ErrOverflow.Equal(err) {
|
|
result.ResizeInt64(n, false)
|
|
i64s := result.Int64s()
|
|
for i := 0; i < n; i++ {
|
|
res, isNull, err := b.evalInt(input.GetRow(i))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
result.SetNull(i, isNull)
|
|
i64s[i] = res
|
|
}
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
i64s := result.Int64s()
|
|
for i := 0; i < n; i++ {
|
|
if result.IsNull(i) {
|
|
continue
|
|
}
|
|
i64s[i] = bitCount(i64s[i])
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinGetParamStringSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinGetParamStringSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
n := input.NumRows()
|
|
idx, err := b.bufAllocator.get(types.ETInt, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(idx)
|
|
if err := b.args[0].VecEvalInt(b.ctx, input, idx); err != nil {
|
|
return err
|
|
}
|
|
idxIs := idx.Int64s()
|
|
result.ReserveString(n)
|
|
for i := 0; i < n; i++ {
|
|
if idx.IsNull(i) {
|
|
result.AppendNull()
|
|
continue
|
|
}
|
|
idxI := idxIs[i]
|
|
v := sessionVars.PreparedParams[idxI]
|
|
str, err := v.ToString()
|
|
if err != nil {
|
|
result.AppendNull()
|
|
continue
|
|
}
|
|
result.AppendString(str)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinSetStringVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinSetStringVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
buf1, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf1)
|
|
if err := b.args[1].VecEvalString(b.ctx, input, buf1); err != nil {
|
|
return err
|
|
}
|
|
result.ReserveString(n)
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
_, collation := sessionVars.GetCharsetInfo()
|
|
for i := 0; i < n; i++ {
|
|
if buf0.IsNull(i) || buf1.IsNull(i) {
|
|
result.AppendNull()
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
res := buf1.GetString(i)
|
|
sessionVars.Users[varName] = types.NewCollationStringDatum(stringutil.Copy(res), collation, collate.DefaultLen)
|
|
result.AppendString(res)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinSetIntVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinSetIntVarSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
buf1, err := b.bufAllocator.get(types.ETInt, n)
|
|
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)
|
|
i64s := result.Int64s()
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
for i := 0; i < n; i++ {
|
|
if buf0.IsNull(i) || buf1.IsNull(i) {
|
|
result.SetNull(i, true)
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
res := buf1.GetInt64(i)
|
|
sessionVars.Users[varName] = types.NewIntDatum(res)
|
|
i64s[i] = res
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinSetRealVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinSetRealVarSig) vecEvalReal(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
buf1, err := b.bufAllocator.get(types.ETReal, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf1)
|
|
if err := b.args[1].VecEvalReal(b.ctx, input, buf1); err != nil {
|
|
return err
|
|
}
|
|
result.ResizeFloat64(n, false)
|
|
f64s := result.Float64s()
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
for i := 0; i < n; i++ {
|
|
if buf0.IsNull(i) || buf1.IsNull(i) {
|
|
result.SetNull(i, true)
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
res := buf1.GetFloat64(i)
|
|
sessionVars.Users[varName] = types.NewFloat64Datum(res)
|
|
f64s[i] = res
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinSetDecimalVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinSetDecimalVarSig) vecEvalDecimal(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
buf1, err := b.bufAllocator.get(types.ETDecimal, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf1)
|
|
if err := b.args[1].VecEvalDecimal(b.ctx, input, buf1); err != nil {
|
|
return err
|
|
}
|
|
result.ResizeDecimal(n, false)
|
|
decs := result.Decimals()
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
for i := 0; i < n; i++ {
|
|
if buf0.IsNull(i) || buf1.IsNull(i) {
|
|
result.SetNull(i, true)
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
res := buf1.GetDecimal(i)
|
|
sessionVars.Users[varName] = types.NewDecimalDatum(res)
|
|
decs[i] = *res
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinValuesDecimalSig) vectorized() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *builtinValuesDecimalSig) vecEvalDecimal(input *chunk.Chunk, result *chunk.Column) error {
|
|
return errors.Errorf("not implemented")
|
|
}
|
|
|
|
func (b *builtinGetStringVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinGetStringVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
result.ReserveString(n)
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
for i := 0; i < n; i++ {
|
|
if buf0.IsNull(i) {
|
|
result.AppendNull()
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
if v, ok := sessionVars.Users[varName]; ok {
|
|
result.AppendString(v.GetString())
|
|
continue
|
|
}
|
|
result.AppendNull()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinGetIntVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinGetIntVarSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
result.ResizeInt64(n, false)
|
|
result.MergeNulls(buf0)
|
|
i64s := result.Int64s()
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
for i := 0; i < n; i++ {
|
|
if result.IsNull(i) {
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
if v, ok := sessionVars.Users[varName]; ok {
|
|
i64s[i] = v.GetInt64()
|
|
continue
|
|
}
|
|
result.SetNull(i, true)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinGetRealVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinGetRealVarSig) vecEvalReal(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
result.ResizeFloat64(n, false)
|
|
result.MergeNulls(buf0)
|
|
f64s := result.Float64s()
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
for i := 0; i < n; i++ {
|
|
if result.IsNull(i) {
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
if v, ok := sessionVars.Users[varName]; ok {
|
|
f64s[i] = v.GetFloat64()
|
|
continue
|
|
}
|
|
result.SetNull(i, true)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *builtinGetDecimalVarSig) vectorized() bool {
|
|
return true
|
|
}
|
|
|
|
func (b *builtinGetDecimalVarSig) vecEvalDecimal(input *chunk.Chunk, result *chunk.Column) error {
|
|
n := input.NumRows()
|
|
buf0, err := b.bufAllocator.get(types.ETString, n)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer b.bufAllocator.put(buf0)
|
|
if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil {
|
|
return err
|
|
}
|
|
result.ResizeDecimal(n, false)
|
|
result.MergeNulls(buf0)
|
|
decs := result.Decimals()
|
|
sessionVars := b.ctx.GetSessionVars()
|
|
sessionVars.UsersLock.Lock()
|
|
defer sessionVars.UsersLock.Unlock()
|
|
for i := 0; i < n; i++ {
|
|
if result.IsNull(i) {
|
|
continue
|
|
}
|
|
varName := strings.ToLower(buf0.GetString(i))
|
|
if v, ok := sessionVars.Users[varName]; ok {
|
|
decs[i] = *v.GetMysqlDecimal()
|
|
continue
|
|
}
|
|
result.SetNull(i, true)
|
|
}
|
|
return nil
|
|
}
|
|
|