本文整理匯總了Golang中github.com/youtube/vitess/go/vt/topo.Impl.ValidateShard方法的典型用法代碼示例。如果您正苦於以下問題:Golang Impl.ValidateShard方法的具體用法?Golang Impl.ValidateShard怎麽用?Golang Impl.ValidateShard使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/youtube/vitess/go/vt/topo.Impl
的用法示例。
在下文中一共展示了Impl.ValidateShard方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: checkShard
//.........這裏部分代碼省略.........
}
shard, version, err := ts.GetShard(ctx, "test_keyspace", "b0-c0")
if err != nil {
t.Errorf("GetShard: %v", err)
}
if want := newKeyRange("b0-c0"); !key.KeyRangeEqual(shard.KeyRange, want) {
t.Errorf("shard.KeyRange: want %v, got %v", want, shard.KeyRange)
}
master := &topodatapb.TabletAlias{Cell: "ny", Uid: 1}
shard.MasterAlias = master
shard.KeyRange = newKeyRange("b0-c0")
shard.ServedTypes = []*topodatapb.Shard_ServedType{
{
TabletType: topodatapb.TabletType_MASTER,
},
{
TabletType: topodatapb.TabletType_REPLICA,
Cells: []string{"c1"},
},
{
TabletType: topodatapb.TabletType_RDONLY,
},
}
shard.SourceShards = []*topodatapb.Shard_SourceShard{
{
Uid: 1,
Keyspace: "source_ks",
Shard: "b8-c0",
KeyRange: newKeyRange("b8-c0"),
Tables: []string{"table1", "table2"},
},
}
shard.TabletControls = []*topodatapb.Shard_TabletControl{
{
TabletType: topodatapb.TabletType_MASTER,
Cells: []string{"c1", "c2"},
BlacklistedTables: []string{"black1", "black2"},
},
{
TabletType: topodatapb.TabletType_REPLICA,
DisableQueryService: true,
},
}
if _, err := ts.UpdateShard(ctx, "test_keyspace", "b0-c0", shard, version); err != nil {
t.Errorf("UpdateShard: %v", err)
}
other := &topodatapb.TabletAlias{Cell: "ny", Uid: 82873}
_, err = tts.UpdateShardFields(ctx, "test_keyspace", "b0-c0", func(si *topo.ShardInfo) error {
si.MasterAlias = other
return nil
})
if err != nil {
t.Fatalf("UpdateShardFields error: %v", err)
}
s, _, err := ts.GetShard(ctx, "test_keyspace", "b0-c0")
if err != nil {
t.Fatalf("GetShard: %v", err)
}
if *s.MasterAlias != *other {
t.Fatalf("shard.MasterAlias = %v, want %v", s.MasterAlias, other)
}
// unconditional shard update
_, err = ts.UpdateShard(ctx, "test_keyspace", "b0-c0", shard, -1)
if err != nil {
t.Fatalf("UpdateShard(-1) error: %v", err)
}
updatedShard, _, err := ts.GetShard(ctx, "test_keyspace", "b0-c0")
if err != nil {
t.Fatalf("GetShard: %v", err)
}
if eq, err := shardEqual(shard, updatedShard); err != nil {
t.Errorf("cannot compare shards: %v", err)
} else if !eq {
t.Errorf("put and got shards are not identical:\n%#v\n%#v", shard, updatedShard)
}
// test GetShardNames
shards, err := ts.GetShardNames(ctx, "test_keyspace")
if err != nil {
t.Errorf("GetShardNames: %v", err)
}
if len(shards) != 1 || shards[0] != "b0-c0" {
t.Errorf(`GetShardNames: want [ "b0-c0" ], got %v`, shards)
}
if _, err := ts.GetShardNames(ctx, "test_keyspace666"); err != topo.ErrNoNode {
t.Errorf("GetShardNames(666): %v", err)
}
// test ValidateShard
if err := ts.ValidateShard(ctx, "test_keyspace", "b0-c0"); err != nil {
t.Errorf("ValidateShard(test_keyspace, b0-c0) failed: %v", err)
}
}