mirror of
https://gitee.com/milvus-io/milvus.git
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131 lines
3.9 KiB
Go
131 lines
3.9 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 importutil
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import (
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"fmt"
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"github.com/cockroachdb/errors"
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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"github.com/milvus-io/milvus/pkg/common"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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type CollectionInfo struct {
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Schema *schemapb.CollectionSchema
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ShardNum int32
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PartitionIDs []int64 // target partitions of bulkinsert, one partition for non-partition-key collection, or all partiitons for partition-key collection
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PrimaryKey *schemapb.FieldSchema
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PartitionKey *schemapb.FieldSchema
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DynamicField *schemapb.FieldSchema
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Name2FieldID map[string]int64 // this member is for Numpy file name validation and JSON row validation
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}
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func DeduceTargetPartitions(partitions map[string]int64, collectionSchema *schemapb.CollectionSchema, defaultPartition int64) ([]int64, error) {
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// if no partition key, rutrn the default partition ID as target partition
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_, err := typeutil.GetPartitionKeyFieldSchema(collectionSchema)
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if err != nil {
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return []int64{defaultPartition}, nil
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}
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_, partitionIDs, err := typeutil.RearrangePartitionsForPartitionKey(partitions)
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if err != nil {
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return nil, err
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}
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return partitionIDs, nil
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}
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func NewCollectionInfo(collectionSchema *schemapb.CollectionSchema,
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shardNum int32,
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partitionIDs []int64) (*CollectionInfo, error) {
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if shardNum <= 0 {
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return nil, fmt.Errorf("illegal shard number %d", shardNum)
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}
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if len(partitionIDs) == 0 {
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return nil, errors.New("partition list is empty")
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}
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info := &CollectionInfo{
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ShardNum: shardNum,
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PartitionIDs: partitionIDs,
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}
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err := info.resetSchema(collectionSchema)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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func (c *CollectionInfo) resetSchema(collectionSchema *schemapb.CollectionSchema) error {
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if collectionSchema == nil {
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return errors.New("collection schema is null")
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}
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fields := make([]*schemapb.FieldSchema, 0)
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name2FieldID := make(map[string]int64)
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var primaryKey *schemapb.FieldSchema
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var dynamicField *schemapb.FieldSchema
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var partitionKey *schemapb.FieldSchema
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for i := 0; i < len(collectionSchema.Fields); i++ {
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schema := collectionSchema.Fields[i]
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// RowIDField and TimeStampField is internal field, no need to parse
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if schema.GetName() == common.RowIDFieldName || schema.GetName() == common.TimeStampFieldName {
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continue
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}
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fields = append(fields, schema)
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name2FieldID[schema.GetName()] = schema.GetFieldID()
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if schema.GetIsPrimaryKey() {
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primaryKey = schema
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} else if schema.GetIsDynamic() {
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dynamicField = schema
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} else if schema.GetIsPartitionKey() {
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partitionKey = schema
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}
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}
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if primaryKey == nil {
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return errors.New("collection schema has no primary key")
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}
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if partitionKey == nil && len(c.PartitionIDs) != 1 {
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return errors.New("only allow one partition when there is no partition key")
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}
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c.Schema = &schemapb.CollectionSchema{
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Name: collectionSchema.GetName(),
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Description: collectionSchema.GetDescription(),
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AutoID: collectionSchema.GetAutoID(),
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Fields: fields,
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EnableDynamicField: collectionSchema.GetEnableDynamicField(),
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}
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c.PrimaryKey = primaryKey
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c.DynamicField = dynamicField
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c.PartitionKey = partitionKey
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c.Name2FieldID = name2FieldID
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return nil
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}
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