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single_bin_sum.go
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/
single_bin_sum.go
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/*
* Copyright 2012-2016 Aerospike, Inc.
*
* Portions may be licensed to Aerospike, Inc. under one or more contributor
* license agreements.
*
* 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 main
import (
"log"
"os"
"time"
as "github.com/aerospike/aerospike-client-go"
shared "github.com/aerospike/aerospike-client-go/examples/shared"
)
const keyCount = 1000
func main() {
runExample(shared.Client)
log.Println("Example finished successfully.")
}
func runExample(client *as.Client) {
// Set LuaPath
luaPath, _ := os.Getwd()
luaPath += "/udf/"
as.SetLuaPath(luaPath)
filename := "sum_single_bin"
regTask, err := client.RegisterUDFFromFile(nil, luaPath+filename+".lua", filename+".lua", as.LUA)
shared.PanicOnError(err)
// wait until UDF is created
shared.PanicOnError(<-regTask.OnComplete())
sum := 0
for i := 1; i <= keyCount; i++ {
sum += i
key, err := as.NewKey(*shared.Namespace, *shared.Set, i)
shared.PanicOnError(err)
bin1 := as.NewBin("bin1", i)
client.PutBins(nil, key, bin1)
}
t := time.Now()
stm := as.NewStatement(*shared.Namespace, *shared.Set)
res, err := client.QueryAggregate(nil, stm, filename, filename, "bin1")
shared.PanicOnError(err)
for rec := range res.Results() {
log.Printf("Result %f should equal %d\n", rec.Record.Bins["SUCCESS"], sum)
}
log.Println("Map/Reduce took", time.Now().Sub(t))
}