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gitea/vendor/github.com/blevesearch/bleve/index/store/multiget.go
2017-01-25 10:43:02 +08:00

34 lines
1.0 KiB
Go

// Copyright (c) 2016 Couchbase, 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,
// 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 store
// MultiGet is a helper function to retrieve mutiple keys from a
// KVReader, and might be used by KVStore implementations that don't
// have a native multi-get facility.
func MultiGet(kvreader KVReader, keys [][]byte) ([][]byte, error) {
vals := make([][]byte, 0, len(keys))
for i, key := range keys {
val, err := kvreader.Get(key)
if err != nil {
return nil, err
}
vals[i] = val
}
return vals, nil
}