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multiget.go
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/
multiget.go
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// 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
}