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primary_keys.go
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/
primary_keys.go
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// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 storage
import (
"github.com/samber/lo"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/pkg/util/merr"
)
// PrimaryKeys is the interface holding a slice of PrimaryKey
type PrimaryKeys interface {
Append(pks ...PrimaryKey) error
MustAppend(pks ...PrimaryKey)
Get(idx int) PrimaryKey
Type() schemapb.DataType
Size() int64
Len() int
MustMerge(pks PrimaryKeys)
}
type Int64PrimaryKeys struct {
values []int64
}
func NewInt64PrimaryKeys(cap int) *Int64PrimaryKeys {
return &Int64PrimaryKeys{values: make([]int64, 0, cap)}
}
func (pks *Int64PrimaryKeys) AppendRaw(values ...int64) {
pks.values = append(pks.values, values...)
}
func (pks *Int64PrimaryKeys) Append(values ...PrimaryKey) error {
iValues := make([]int64, 0, len(values))
for _, pk := range values {
iPk, ok := pk.(*Int64PrimaryKey)
if !ok {
return merr.WrapErrParameterInvalid("Int64PrimaryKey", "non-int64 pk")
}
iValues = append(iValues, iPk.Value)
}
pks.AppendRaw(iValues...)
return nil
}
func (pks *Int64PrimaryKeys) MustAppend(values ...PrimaryKey) {
err := pks.Append(values...)
if err != nil {
panic(err)
}
}
func (pks *Int64PrimaryKeys) Get(idx int) PrimaryKey {
return NewInt64PrimaryKey(pks.values[idx])
}
func (pks *Int64PrimaryKeys) Type() schemapb.DataType {
return schemapb.DataType_Int64
}
func (pks *Int64PrimaryKeys) Len() int {
return len(pks.values)
}
func (pks *Int64PrimaryKeys) Size() int64 {
return int64(pks.Len()) * 8
}
func (pks *Int64PrimaryKeys) MustMerge(another PrimaryKeys) {
aPks, ok := another.(*Int64PrimaryKeys)
if !ok {
panic("cannot merge different kind of pks")
}
pks.values = append(pks.values, aPks.values...)
}
type VarcharPrimaryKeys struct {
values []string
size int64
}
func NewVarcharPrimaryKeys(cap int) *VarcharPrimaryKeys {
return &VarcharPrimaryKeys{
values: make([]string, 0, cap),
}
}
func (pks *VarcharPrimaryKeys) AppendRaw(values ...string) {
pks.values = append(pks.values, values...)
lo.ForEach(values, func(str string, _ int) {
pks.size += int64(len(str)) + 16
})
}
func (pks *VarcharPrimaryKeys) Append(values ...PrimaryKey) error {
sValues := make([]string, 0, len(values))
for _, pk := range values {
iPk, ok := pk.(*VarCharPrimaryKey)
if !ok {
return merr.WrapErrParameterInvalid("Int64PrimaryKey", "non-int64 pk")
}
sValues = append(sValues, iPk.Value)
}
pks.AppendRaw(sValues...)
return nil
}
func (pks *VarcharPrimaryKeys) MustAppend(values ...PrimaryKey) {
err := pks.Append(values...)
if err != nil {
panic(err)
}
}
func (pks *VarcharPrimaryKeys) Get(idx int) PrimaryKey {
return NewVarCharPrimaryKey(pks.values[idx])
}
func (pks *VarcharPrimaryKeys) Type() schemapb.DataType {
return schemapb.DataType_VarChar
}
func (pks *VarcharPrimaryKeys) Len() int {
return len(pks.values)
}
func (pks *VarcharPrimaryKeys) Size() int64 {
return pks.size
}
func (pks *VarcharPrimaryKeys) MustMerge(another PrimaryKeys) {
aPks, ok := another.(*VarcharPrimaryKeys)
if !ok {
panic("cannot merge different kind of pks")
}
pks.values = append(pks.values, aPks.values...)
pks.size += aPks.size
}