mirror of https://github.com/milvus-io/milvus.git
63 lines
2.1 KiB
Go
63 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storagecommon
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import (
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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"github.com/milvus-io/milvus/pkg/v2/util/typeutil"
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)
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const (
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// column group id for short columns
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DefaultShortColumnGroupID = 0
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)
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type ColumnGroup struct {
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GroupID typeutil.UniqueID
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Columns []int // column indices
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}
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// SplitBySchema is a generic function to split columns by schema based on data type
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func SplitBySchema(fields []*schemapb.FieldSchema) []ColumnGroup {
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groups := make([]ColumnGroup, 0)
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shortColumnGroup := ColumnGroup{Columns: make([]int, 0), GroupID: DefaultShortColumnGroupID}
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for i, field := range fields {
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if IsVectorDataType(field.DataType) || field.DataType == schemapb.DataType_Text {
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groups = append(groups, ColumnGroup{Columns: []int{i}, GroupID: field.GetFieldID()})
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} else {
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shortColumnGroup.Columns = append(shortColumnGroup.Columns, i)
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}
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}
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if len(shortColumnGroup.Columns) > 0 {
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groups = append([]ColumnGroup{shortColumnGroup}, groups...)
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}
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return groups
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}
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func IsVectorDataType(dataType schemapb.DataType) bool {
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switch dataType {
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case schemapb.DataType_BinaryVector,
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schemapb.DataType_Float16Vector,
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schemapb.DataType_BFloat16Vector,
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schemapb.DataType_Int8Vector,
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schemapb.DataType_FloatVector,
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schemapb.DataType_SparseFloatVector:
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return true
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}
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return false
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}
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