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clientv3: fix txn example code

release-2.3
Gyu-Ho Lee 2016-02-25 10:37:54 -08:00
parent 8f3981c651
commit 81f77ee4f3
1 changed files with 15 additions and 10 deletions
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25
clientv3/example_kv_test.go
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@ -170,19 +170,23 @@ func ExampleKV_txn() {
kvc := clientv3.NewKV(cli) kvc := clientv3.NewKV(cli)
// TODO: 'if' not working. Add expected output once fixed. _, err = kvc.Put(context.TODO(), "key", "xyz")
ctx, cancel := context.WithTimeout(context.Background(), requestTimeout) if err != nil {
_, err = kvc.Txn(ctx).
If(clientv3.Compare(clientv3.Value("1"), ">", "1")).
Then(clientv3.OpPut("1", "100")).
Else(clientv3.OpPut("1", "-1")).
Commit()
cancel()
if err == nil {
log.Fatal(err) log.Fatal(err)
} }
gresp, err := kvc.Get(ctx, "1") ctx, cancel := context.WithTimeout(context.Background(), requestTimeout)
_, err = kvc.Txn(ctx).
If(clientv3.Compare(clientv3.Value("key"), ">", "abc")). // txn value comparisons are lexical
Then(clientv3.OpPut("key", "XYZ")). // this runs, since 'xyz' > 'abc'
Else(clientv3.OpPut("key", "ABC")).
Commit()
cancel()
if err != nil {
log.Fatal(err)
}
gresp, err := kvc.Get(context.TODO(), "key")
cancel() cancel()
if err != nil { if err != nil {
log.Fatal(err) log.Fatal(err)
@ -190,4 +194,5 @@ func ExampleKV_txn() {
for _, ev := range gresp.Kvs { for _, ev := range gresp.Kvs {
fmt.Printf("%s : %s\n", ev.Key, ev.Value) fmt.Printf("%s : %s\n", ev.Key, ev.Value)
} }
// key : XYZ
} }