mirror of https://github.com/milvus-io/milvus.git
63 lines
1.8 KiB
Go
63 lines
1.8 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 binlog
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import (
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"context"
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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"github.com/milvus-io/milvus/internal/storage"
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)
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type fieldReader struct {
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reader *storage.BinlogReader
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fieldSchema *schemapb.FieldSchema
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}
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func newFieldReader(ctx context.Context, cm storage.ChunkManager, fieldSchema *schemapb.FieldSchema, path string) (*fieldReader, error) {
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reader, err := newBinlogReader(ctx, cm, path)
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if err != nil {
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return nil, err
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}
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return &fieldReader{
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reader: reader,
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fieldSchema: fieldSchema,
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}, nil
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}
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func (r *fieldReader) Next() (storage.FieldData, error) {
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fieldData, err := storage.NewFieldData(r.fieldSchema.GetDataType(), r.fieldSchema, 0)
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if err != nil {
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return nil, err
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}
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rowsSet, validDataRows, err := readData(r.reader, storage.InsertEventType)
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if err != nil {
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return nil, err
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}
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for i, rows := range rowsSet {
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err = fieldData.AppendRows(rows, validDataRows[i])
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if err != nil {
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return nil, err
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}
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}
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return fieldData, nil
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}
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func (r *fieldReader) Close() {
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r.reader.Close()
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}
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