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140 lines
4.5 KiB
140 lines
4.5 KiB
// Copyright 2020 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tikv_test
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import (
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"context"
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"fmt"
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. "github.com/pingcap/check"
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"github.com/pingcap/errors"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/kvproto/pkg/metapb"
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"github.com/pingcap/parser/model"
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"github.com/pingcap/tidb/domain"
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"github.com/pingcap/tidb/kv"
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"github.com/pingcap/tidb/session"
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"github.com/pingcap/tidb/sessionctx"
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"github.com/pingcap/tidb/store/mockstore"
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"github.com/pingcap/tidb/store/mockstore/mocktikv"
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"github.com/pingcap/tidb/table"
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"github.com/pingcap/tidb/util/testkit"
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)
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type testBatchCopSuite struct {
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}
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var _ = Suite(&testBatchCopSuite{})
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func newStoreWithBootstrap(tiflashNum int) (kv.Storage, *domain.Domain, error) {
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var mockCluster = mocktikv.NewCluster()
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_, _, region1 := mocktikv.BootstrapWithSingleStore(mockCluster)
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tiflashIdx := 0
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for tiflashIdx < tiflashNum {
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store2 := mockCluster.AllocID()
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peer2 := mockCluster.AllocID()
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addr2 := fmt.Sprintf("tiflash%d", tiflashIdx)
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mockCluster.AddStore(store2, addr2)
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mockCluster.UpdateStoreAddr(store2, addr2, &metapb.StoreLabel{Key: "engine", Value: "tiflash"})
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mockCluster.AddPeer(region1, store2, peer2)
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tiflashIdx++
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}
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store, err := mockstore.NewMockTikvStore(mockstore.WithCluster(mockCluster))
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if err != nil {
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return nil, nil, errors.Trace(err)
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}
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session.SetSchemaLease(0)
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session.DisableStats4Test()
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dom, err := session.BootstrapSession(store)
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if err != nil {
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return nil, nil, err
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}
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dom.SetStatsUpdating(true)
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return store, dom, errors.Trace(err)
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}
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func testGetTableByName(c *C, ctx sessionctx.Context, db, table string) table.Table {
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dom := domain.GetDomain(ctx)
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// Make sure the table schema is the new schema.
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err := dom.Reload()
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c.Assert(err, IsNil)
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tbl, err := dom.InfoSchema().TableByName(model.NewCIStr(db), model.NewCIStr(table))
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c.Assert(err, IsNil)
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return tbl
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}
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func (s *testBatchCopSuite) TestStoreErr(c *C) {
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store, dom, err := newStoreWithBootstrap(1)
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c.Assert(err, IsNil)
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defer func() {
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dom.Close()
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store.Close()
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}()
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tk := testkit.NewTestKit(c, store)
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tk.MustExec("use test")
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tk.MustExec("create table t(a int not null, b int not null)")
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tk.MustExec("alter table t set tiflash replica 1")
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tb := testGetTableByName(c, tk.Se, "test", "t")
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err = domain.GetDomain(tk.Se).DDL().UpdateTableReplicaInfo(tk.Se, tb.Meta().ID, true)
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c.Assert(err, IsNil)
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tk.MustExec("insert into t values(1,0)")
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tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"")
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopCancelled", "1*return(true)"), IsNil)
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err = tk.QueryToErr("select count(*) from t")
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c.Assert(errors.Cause(err), Equals, context.Canceled)
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash0", "1*return(\"tiflash0\")"), IsNil)
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tk.MustQuery("select count(*) from t").Check(testkit.Rows("1"))
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"), IsNil)
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err = tk.QueryToErr("select count(*) from t")
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c.Assert(err, NotNil)
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}
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func (s *testBatchCopSuite) TestStoreSwitchPeer(c *C) {
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store, dom, err := newStoreWithBootstrap(2)
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c.Assert(err, IsNil)
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defer func() {
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dom.Close()
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store.Close()
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}()
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tk := testkit.NewTestKit(c, store)
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tk.MustExec("use test")
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tk.MustExec("create table t(a int not null, b int not null)")
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tk.MustExec("alter table t set tiflash replica 1")
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tb := testGetTableByName(c, tk.Se, "test", "t")
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err = domain.GetDomain(tk.Se).DDL().UpdateTableReplicaInfo(tk.Se, tb.Meta().ID, true)
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c.Assert(err, IsNil)
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tk.MustExec("insert into t values(1,0)")
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tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"")
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"), IsNil)
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tk.MustQuery("select count(*) from t").Check(testkit.Rows("1"))
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c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash1", "return(\"tiflash1\")"), IsNil)
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err = tk.QueryToErr("select count(*) from t")
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c.Assert(err, NotNil)
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}
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