本文整理汇总了Golang中github.com/youtube/vitess/go/vt/vtgate/proto.KeyRangeQuery.KeyRanges方法的典型用法代码示例。如果您正苦于以下问题：Golang KeyRangeQuery.KeyRanges方法的具体用法？Golang KeyRangeQuery.KeyRanges怎么用？Golang KeyRangeQuery.KeyRanges使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/youtube/vitess/go/vt/vtgate/proto.KeyRangeQuery的用法示例。
在下文中一共展示了KeyRangeQuery.KeyRanges方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: TestVTGateStreamExecuteKeyRanges
func TestVTGateStreamExecuteKeyRanges(t *testing.T) {
s := createSandbox("TestVTGateStreamExecuteKeyRanges")
sbc := &sandboxConn{}
s.MapTestConn("-20", sbc)
kr, err := key.ParseKeyRangeParts("", "20")
sq := proto.KeyRangeQuery{
Sql: "query",
Keyspace: "TestVTGateStreamExecuteKeyRanges",
KeyRanges: []key.KeyRange{kr},
TabletType: topo.TYPE_MASTER,
}
// Test for successful execution
var qrs []*proto.QueryResult
err = RpcVTGate.StreamExecuteKeyRanges(nil, &sq, func(r *proto.QueryResult) error {
qrs = append(qrs, r)
return nil
})
if err != nil {
t.Errorf("want nil, got %v", err)
}
row := new(proto.QueryResult)
proto.PopulateQueryResult(singleRowResult, row)
want := []*proto.QueryResult{row}
if !reflect.DeepEqual(want, qrs) {
t.Errorf("want \n%+v, got \n%+v", want, qrs)
}
sq.Session = new(proto.Session)
qrs = nil
RpcVTGate.Begin(nil, sq.Session)
err = RpcVTGate.StreamExecuteKeyRanges(nil, &sq, func(r *proto.QueryResult) error {
qrs = append(qrs, r)
return nil
})
want = []*proto.QueryResult{
row,
&proto.QueryResult{
Session: &proto.Session{
InTransaction: true,
ShardSessions: []*proto.ShardSession{{
Keyspace: "TestVTGateStreamExecuteKeyRanges",
Shard: "-20",
TransactionId: 1,
TabletType: topo.TYPE_MASTER,
}},
},
},
}
if !reflect.DeepEqual(want, qrs) {
t.Errorf("want \n%+v, got \n%+v", want, qrs)
}
// Test for error condition - multiple shards
kr, err = key.ParseKeyRangeParts("10", "40")
sq.KeyRanges = []key.KeyRange{kr}
err = RpcVTGate.StreamExecuteKeyRanges(nil, &sq, func(r *proto.QueryResult) error {
qrs = append(qrs, r)
return nil
})
if err == nil {
t.Errorf("want not nil, got %v", err)
}
// Test for error condition - multiple shards, non-partial keyspace
kr, err = key.ParseKeyRangeParts("", "")
sq.KeyRanges = []key.KeyRange{kr}
err = RpcVTGate.StreamExecuteKeyRanges(nil, &sq, func(r *proto.QueryResult) error {
qrs = append(qrs, r)
return nil
})
if err == nil {
t.Errorf("want not nil, got %v", err)
}
}示例2: TestVTGateExecuteKeyRanges
func TestVTGateExecuteKeyRanges(t *testing.T) {
s := createSandbox("TestVTGateExecuteKeyRanges")
sbc1 := &sandboxConn{}
sbc2 := &sandboxConn{}
s.MapTestConn("-20", sbc1)
s.MapTestConn("20-40", sbc2)
kr, err := key.ParseKeyRangeParts("", "20")
q := proto.KeyRangeQuery{
Sql: "query",
Keyspace: "TestVTGateExecuteKeyRanges",
KeyRanges: []key.KeyRange{kr},
TabletType: topo.TYPE_MASTER,
}
// Test for successful execution
qr := new(proto.QueryResult)
err = RpcVTGate.ExecuteKeyRanges(nil, &q, qr)
if err != nil {
t.Errorf("want nil, got %v", err)
}
wantqr := new(proto.QueryResult)
proto.PopulateQueryResult(singleRowResult, wantqr)
if !reflect.DeepEqual(wantqr, qr) {
t.Errorf("want \n%+v, got \n%+v", singleRowResult, qr)
}
if qr.Session != nil {
t.Errorf("want nil, got %+v\n", qr.Session)
}
if sbc1.ExecCount != 1 {
t.Errorf("want 1, got %v\n", sbc1.ExecCount)
}
// Test for successful execution in transaction
q.Session = new(proto.Session)
RpcVTGate.Begin(nil, q.Session)
if !q.Session.InTransaction {
t.Errorf("want true, got false")
}
err = RpcVTGate.ExecuteKeyRanges(nil, &q, qr)
if err != nil {
t.Errorf("want nil, got %v", err)
}
wantSession := &proto.Session{
InTransaction: true,
ShardSessions: []*proto.ShardSession{{
Keyspace: "TestVTGateExecuteKeyRanges",
Shard: "-20",
TransactionId: 1,
TabletType: topo.TYPE_MASTER,
}},
}
if !reflect.DeepEqual(wantSession, q.Session) {
t.Errorf("want \n%+v, got \n%+v", wantSession, q.Session)
}
RpcVTGate.Commit(nil, q.Session)
if sbc1.CommitCount.Get() != 1 {
t.Errorf("want 1, got %v", sbc1.CommitCount.Get())
}
// Test for multiple shards
kr, err = key.ParseKeyRangeParts("10", "30")
q.KeyRanges = []key.KeyRange{kr}
RpcVTGate.ExecuteKeyRanges(nil, &q, qr)
if qr.RowsAffected != 2 {
t.Errorf("want 2, got %v", qr.RowsAffected)
}
}