Files
tidb/session/bootstrap_test.go

744 lines
27 KiB
Go

// Copyright 2016 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package session
import (
"context"
"fmt"
"sync"
. "github.com/pingcap/check"
"github.com/pingcap/parser"
"github.com/pingcap/parser/auth"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/domain"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/meta"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/sessionctx/variable"
"github.com/pingcap/tidb/statistics"
"github.com/pingcap/tidb/store/mockstore"
"github.com/pingcap/tidb/util/testleak"
)
type testBootstrapSuite struct {
dbName string
dbNameBootstrap string
}
func (s *testBootstrapSuite) SetUpSuite(c *C) {
s.dbName = "test_bootstrap"
s.dbNameBootstrap = "test_main_db_bootstrap"
}
func (s *testBootstrapSuite) TestBootstrap(c *C) {
defer testleak.AfterTest(c)()
store, dom := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
defer dom.Close()
se := newSession(c, store, s.dbName)
mustExecSQL(c, se, "USE mysql;")
r := mustExecSQL(c, se, `select * from user;`)
c.Assert(r, NotNil)
ctx := context.Background()
req := r.NewChunk()
err := r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsFalse)
datums := statistics.RowToDatums(req.GetRow(0), r.Fields())
match(c, datums, `%`, "root", "", "mysql_native_password", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y", "Y", "Y")
c.Assert(se.Auth(&auth.UserIdentity{Username: "root", Hostname: "anyhost"}, []byte(""), []byte("")), IsTrue)
mustExecSQL(c, se, "USE test;")
// Check privilege tables.
mustExecSQL(c, se, "SELECT * from mysql.global_priv;")
mustExecSQL(c, se, "SELECT * from mysql.db;")
mustExecSQL(c, se, "SELECT * from mysql.tables_priv;")
mustExecSQL(c, se, "SELECT * from mysql.columns_priv;")
// Check privilege tables.
r = mustExecSQL(c, se, "SELECT COUNT(*) from mysql.global_variables;")
c.Assert(r, NotNil)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.GetRow(0).GetInt64(0), Equals, globalVarsCount())
// Check a storage operations are default autocommit after the second start.
mustExecSQL(c, se, "USE test;")
mustExecSQL(c, se, "drop table if exists t")
mustExecSQL(c, se, "create table t (id int)")
unsetStoreBootstrapped(store.UUID())
se.Close()
se, err = CreateSession4Test(store)
c.Assert(err, IsNil)
mustExecSQL(c, se, "USE test;")
mustExecSQL(c, se, "insert t values (?)", 3)
se, err = CreateSession4Test(store)
c.Assert(err, IsNil)
mustExecSQL(c, se, "USE test;")
r = mustExecSQL(c, se, "select * from t")
c.Assert(r, NotNil)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
datums = statistics.RowToDatums(req.GetRow(0), r.Fields())
match(c, datums, 3)
mustExecSQL(c, se, "drop table if exists t")
se.Close()
// Try to do bootstrap dml jobs on an already bootstraped TiDB system will not cause fatal.
// For https://github.com/pingcap/tidb/issues/1096
se, err = CreateSession4Test(store)
c.Assert(err, IsNil)
doDMLWorks(se)
}
func globalVarsCount() int64 {
var count int64
for _, v := range variable.GetSysVars() {
if v.Scope != variable.ScopeSession {
count++
}
}
return count
}
// bootstrapWithOnlyDDLWork creates a new session on store but only do ddl works.
func (s *testBootstrapSuite) bootstrapWithOnlyDDLWork(store kv.Storage, c *C) {
ss := &session{
store: store,
parserPool: &sync.Pool{New: func() interface{} { return parser.New() }},
sessionVars: variable.NewSessionVars(),
}
ss.txn.init()
ss.mu.values = make(map[fmt.Stringer]interface{})
ss.SetValue(sessionctx.Initing, true)
dom, err := domap.Get(store)
c.Assert(err, IsNil)
domain.BindDomain(ss, dom)
b, err := checkBootstrapped(ss)
c.Assert(b, IsFalse)
c.Assert(err, IsNil)
doDDLWorks(ss)
// Leave dml unfinished.
}
// testBootstrapWithError :
// When a session failed in bootstrap process (for example, the session is killed after doDDLWorks()).
// We should make sure that the following session could finish the bootstrap process.
func (s *testBootstrapSuite) TestBootstrapWithError(c *C) {
ctx := context.Background()
defer testleak.AfterTest(c)()
store := newStore(c, s.dbNameBootstrap)
defer store.Close()
s.bootstrapWithOnlyDDLWork(store, c)
dom, err := domap.Get(store)
c.Assert(err, IsNil)
domap.Delete(store)
dom.Close()
dom1, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer dom1.Close()
se := newSession(c, store, s.dbNameBootstrap)
mustExecSQL(c, se, "USE mysql;")
r := mustExecSQL(c, se, `select * from user;`)
req := r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsFalse)
row := req.GetRow(0)
datums := statistics.RowToDatums(row, r.Fields())
match(c, datums, `%`, "root", "", "mysql_native_password", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y", "Y", "Y")
c.Assert(r.Close(), IsNil)
mustExecSQL(c, se, "USE test;")
// Check privilege tables.
mustExecSQL(c, se, "SELECT * from mysql.global_priv;")
mustExecSQL(c, se, "SELECT * from mysql.db;")
mustExecSQL(c, se, "SELECT * from mysql.tables_priv;")
mustExecSQL(c, se, "SELECT * from mysql.columns_priv;")
// Check role tables.
mustExecSQL(c, se, "SELECT * from mysql.role_edges;")
mustExecSQL(c, se, "SELECT * from mysql.default_roles;")
// Check global variables.
r = mustExecSQL(c, se, "SELECT COUNT(*) from mysql.global_variables;")
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
v := req.GetRow(0)
c.Assert(v.GetInt64(0), Equals, globalVarsCount())
c.Assert(r.Close(), IsNil)
r = mustExecSQL(c, se, `SELECT VARIABLE_VALUE from mysql.TiDB where VARIABLE_NAME="bootstrapped";`)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsFalse)
row = req.GetRow(0)
c.Assert(row.Len(), Equals, 1)
c.Assert(row.GetBytes(0), BytesEquals, []byte("True"))
c.Assert(r.Close(), IsNil)
}
// TestUpgrade tests upgrading
func (s *testBootstrapSuite) TestUpgrade(c *C) {
ctx := context.Background()
defer testleak.AfterTest(c)()
store, _ := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
se := newSession(c, store, s.dbName)
mustExecSQL(c, se, "USE mysql;")
// bootstrap with currentBootstrapVersion
r := mustExecSQL(c, se, `SELECT VARIABLE_VALUE from mysql.TiDB where VARIABLE_NAME="tidb_server_version";`)
req := r.NewChunk()
err := r.Next(ctx, req)
row := req.GetRow(0)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsFalse)
c.Assert(row.Len(), Equals, 1)
c.Assert(row.GetBytes(0), BytesEquals, []byte(fmt.Sprintf("%d", currentBootstrapVersion)))
c.Assert(r.Close(), IsNil)
se1 := newSession(c, store, s.dbName)
ver, err := getBootstrapVersion(se1)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
// Do something to downgrade the store.
// downgrade meta bootstrap version
txn, err := store.Begin()
c.Assert(err, IsNil)
m := meta.NewMeta(txn)
err = m.FinishBootstrap(int64(1))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
mustExecSQL(c, se1, `delete from mysql.TiDB where VARIABLE_NAME="tidb_server_version";`)
mustExecSQL(c, se1, fmt.Sprintf(`delete from mysql.global_variables where VARIABLE_NAME="%s";`,
variable.TiDBDistSQLScanConcurrency))
mustExecSQL(c, se1, `commit;`)
unsetStoreBootstrapped(store.UUID())
// Make sure the version is downgraded.
r = mustExecSQL(c, se1, `SELECT VARIABLE_VALUE from mysql.TiDB where VARIABLE_NAME="tidb_server_version";`)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsTrue)
c.Assert(r.Close(), IsNil)
ver, err = getBootstrapVersion(se1)
c.Assert(err, IsNil)
c.Assert(ver, Equals, int64(0))
// Create a new session then upgrade() will run automatically.
dom1, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer dom1.Close()
se2 := newSession(c, store, s.dbName)
r = mustExecSQL(c, se2, `SELECT VARIABLE_VALUE from mysql.TiDB where VARIABLE_NAME="tidb_server_version";`)
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsFalse)
row = req.GetRow(0)
c.Assert(row.Len(), Equals, 1)
c.Assert(row.GetBytes(0), BytesEquals, []byte(fmt.Sprintf("%d", currentBootstrapVersion)))
c.Assert(r.Close(), IsNil)
ver, err = getBootstrapVersion(se2)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
// Verify that 'new_collation_enabled' is false.
r = mustExecSQL(c, se2, fmt.Sprintf(`SELECT VARIABLE_VALUE from mysql.TiDB where VARIABLE_NAME='%s';`, tidbNewCollationEnabled))
req = r.NewChunk()
err = r.Next(ctx, req)
c.Assert(err, IsNil)
c.Assert(req.NumRows(), Equals, 1)
c.Assert(req.GetRow(0).GetString(0), Equals, "False")
c.Assert(r.Close(), IsNil)
}
func (s *testBootstrapSuite) TestIssue17979_1(c *C) {
oomAction := config.GetGlobalConfig().OOMAction
defer func() {
config.UpdateGlobal(func(conf *config.Config) {
conf.OOMAction = oomAction
})
}()
ctx := context.Background()
defer testleak.AfterTest(c)()
store, _ := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
// test issue 20900, upgrade from v3.0 to v4.0.11+
seV3 := newSession(c, store, s.dbName)
txn, err := store.Begin()
c.Assert(err, IsNil)
m := meta.NewMeta(txn)
err = m.FinishBootstrap(int64(58))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
mustExecSQL(c, seV3, "update mysql.tidb set variable_value='58' where variable_name='tidb_server_version'")
mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_oom_action'")
mustExecSQL(c, seV3, "commit")
unsetStoreBootstrapped(store.UUID())
ver, err := getBootstrapVersion(seV3)
c.Assert(err, IsNil)
c.Assert(ver, Equals, int64(58))
domV4, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer domV4.Close()
seV4 := newSession(c, store, s.dbName)
ver, err = getBootstrapVersion(seV4)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
r := mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_oom_action'")
req := r.NewChunk()
r.Next(ctx, req)
c.Assert(req.GetRow(0).GetString(0), Equals, "log")
c.Assert(config.GetGlobalConfig().OOMAction, Equals, config.OOMActionLog)
}
func (s *testBootstrapSuite) TestIssue17979_2(c *C) {
oomAction := config.GetGlobalConfig().OOMAction
defer func() {
config.UpdateGlobal(func(conf *config.Config) {
conf.OOMAction = oomAction
})
}()
ctx := context.Background()
defer testleak.AfterTest(c)()
store, _ := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
// test issue 20900, upgrade from v4.0.11 to v4.0.11
seV3 := newSession(c, store, s.dbName)
txn, err := store.Begin()
c.Assert(err, IsNil)
m := meta.NewMeta(txn)
err = m.FinishBootstrap(int64(59))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
mustExecSQL(c, seV3, "update mysql.tidb set variable_value=59 where variable_name='tidb_server_version'")
mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_iim_action'")
mustExecSQL(c, seV3, "commit")
unsetStoreBootstrapped(store.UUID())
ver, err := getBootstrapVersion(seV3)
c.Assert(err, IsNil)
c.Assert(ver, Equals, int64(59))
domV4, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer domV4.Close()
seV4 := newSession(c, store, s.dbName)
ver, err = getBootstrapVersion(seV4)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
r := mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_oom_action'")
req := r.NewChunk()
r.Next(ctx, req)
c.Assert(req.NumRows(), Equals, 0)
c.Assert(config.GetGlobalConfig().OOMAction, Equals, config.OOMActionCancel)
}
func (s *testBootstrapSuite) TestIssue20900_1(c *C) {
ctx := context.Background()
defer testleak.AfterTest(c)()
store, _ := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
// test issue 20900, upgrade from v3.0 to v4.0.9+
seV3 := newSession(c, store, s.dbName)
txn, err := store.Begin()
c.Assert(err, IsNil)
m := meta.NewMeta(txn)
err = m.FinishBootstrap(int64(38))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
mustExecSQL(c, seV3, "update mysql.tidb set variable_value=38 where variable_name='tidb_server_version'")
mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_memory_quota_query'")
mustExecSQL(c, seV3, "commit")
unsetStoreBootstrapped(store.UUID())
ver, err := getBootstrapVersion(seV3)
c.Assert(err, IsNil)
c.Assert(ver, Equals, int64(38))
domV4, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer domV4.Close()
seV4 := newSession(c, store, s.dbName)
ver, err = getBootstrapVersion(seV4)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
r := mustExecSQL(c, seV4, "select @@tidb_mem_quota_query")
req := r.NewChunk()
r.Next(ctx, req)
c.Assert(req.GetRow(0).GetString(0), Equals, "34359738368")
r = mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_memory_quota_query'")
req = r.NewChunk()
r.Next(ctx, req)
c.Assert(req.GetRow(0).GetString(0), Equals, "34359738368")
c.Assert(seV4.GetSessionVars().MemQuotaQuery, Equals, int64(34359738368))
}
func (s *testBootstrapSuite) TestIssue20900_2(c *C) {
ctx := context.Background()
defer testleak.AfterTest(c)()
store, _ := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
// test issue 20900, upgrade from v4.0.8 to v4.0.9+
seV3 := newSession(c, store, s.dbName)
txn, err := store.Begin()
c.Assert(err, IsNil)
m := meta.NewMeta(txn)
err = m.FinishBootstrap(int64(52))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
mustExecSQL(c, seV3, "update mysql.tidb set variable_value=52 where variable_name='tidb_server_version'")
mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_memory_quota_query'")
mustExecSQL(c, seV3, "commit")
unsetStoreBootstrapped(store.UUID())
ver, err := getBootstrapVersion(seV3)
c.Assert(err, IsNil)
c.Assert(ver, Equals, int64(52))
domV4, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer domV4.Close()
seV4 := newSession(c, store, s.dbName)
ver, err = getBootstrapVersion(seV4)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
r := mustExecSQL(c, seV4, "select @@tidb_mem_quota_query")
req := r.NewChunk()
r.Next(ctx, req)
c.Assert(req.GetRow(0).GetString(0), Equals, "1073741824")
c.Assert(seV4.GetSessionVars().MemQuotaQuery, Equals, int64(1073741824))
r = mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_memory_quota_query'")
req = r.NewChunk()
r.Next(ctx, req)
c.Assert(req.NumRows(), Equals, 0)
}
func (s *testBootstrapSuite) TestANSISQLMode(c *C) {
defer testleak.AfterTest(c)()
store, dom := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
se := newSession(c, store, s.dbName)
mustExecSQL(c, se, "USE mysql;")
mustExecSQL(c, se, `set @@global.sql_mode="NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION,ANSI"`)
mustExecSQL(c, se, `delete from mysql.TiDB where VARIABLE_NAME="tidb_server_version";`)
unsetStoreBootstrapped(store.UUID())
se.Close()
// Do some clean up, BootstrapSession will not create a new domain otherwise.
dom.Close()
domap.Delete(store)
// Set ANSI sql_mode and bootstrap again, to cover a bugfix.
// Once we have a SQL like that:
// select variable_value from mysql.tidb where variable_name = "system_tz"
// it fails to execute in the ANSI sql_mode, and makes TiDB cluster fail to bootstrap.
dom1, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer dom1.Close()
se = newSession(c, store, s.dbName)
mustExecSQL(c, se, "select @@global.sql_mode")
se.Close()
}
func (s *testBootstrapSuite) TestOldPasswordUpgrade(c *C) {
pwd := "abc"
oldpwd := fmt.Sprintf("%X", auth.Sha1Hash([]byte(pwd)))
newpwd, err := oldPasswordUpgrade(oldpwd)
c.Assert(err, IsNil)
c.Assert(newpwd, Equals, "*0D3CED9BEC10A777AEC23CCC353A8C08A633045E")
}
func (s *testBootstrapSuite) TestBootstrapInitExpensiveQueryHandle(c *C) {
defer testleak.AfterTest(c)()
store := newStore(c, s.dbName)
defer store.Close()
se, err := createSession(store)
c.Assert(err, IsNil)
dom := domain.GetDomain(se)
c.Assert(dom, NotNil)
defer dom.Close()
c.Assert(dom.ExpensiveQueryHandle(), NotNil)
}
func (s *testBootstrapSuite) TestStmtSummary(c *C) {
defer testleak.AfterTest(c)()
ctx := context.Background()
store, dom := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
defer dom.Close()
se := newSession(c, store, s.dbName)
mustExecSQL(c, se, `update mysql.global_variables set variable_value='' where variable_name='tidb_enable_stmt_summary'`)
writeStmtSummaryVars(se)
r := mustExecSQL(c, se, "select variable_value from mysql.global_variables where variable_name='tidb_enable_stmt_summary'")
req := r.NewChunk()
c.Assert(r.Next(ctx, req), IsNil)
row := req.GetRow(0)
c.Assert(row.GetBytes(0), BytesEquals, []byte("ON"))
c.Assert(r.Close(), IsNil)
}
type bindTestStruct struct {
originText string
bindText string
db string
originWithDB string
bindWithDB string
deleteText string
}
func (s *testBootstrapSuite) TestUpdateBindInfo(c *C) {
bindCases := []bindTestStruct{
{
originText: "select * from t where a > ?",
bindText: "select /*+ use_index(t, idxb) */ * from t where a > 1",
db: "test",
originWithDB: "select * from `test` . `t` where `a` > ?",
bindWithDB: "SELECT /*+ use_index(`t` `idxb`)*/ * FROM `test`.`t` WHERE `a` > 1",
deleteText: "select * from test.t where a > 1",
},
{
originText: "select count ( ? ), max ( a ) from t group by b",
bindText: "select /*+ use_index(t, idx) */ count(1), max(a) from t group by b",
db: "test",
originWithDB: "select count ( ? ) , max ( `a` ) from `test` . `t` group by `b`",
bindWithDB: "SELECT /*+ use_index(`t` `idx`)*/ count(1),max(`a`) FROM `test`.`t` GROUP BY `b`",
deleteText: "select count(1), max(a) from test.t group by b",
},
{
originText: "select * from `test` . `t` where `a` = (_charset) ?",
bindText: "SELECT * FROM test.t WHERE a = _utf8\\'ab\\'",
db: "test",
originWithDB: "select * from `test` . `t` where `a` = ?",
bindWithDB: "SELECT * FROM `test`.`t` WHERE `a` = 'ab'",
deleteText: "select * from test.t where a = 'c'",
},
}
defer testleak.AfterTest(c)()
ctx := context.Background()
store, dom := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
defer dom.Close()
se := newSession(c, store, s.dbName)
for _, bindCase := range bindCases {
sql := fmt.Sprintf("insert into mysql.bind_info values('%s', '%s', '%s', 'using', '2021-01-04 14:50:58.257', '2021-01-04 14:50:58.257', 'utf8', 'utf8_general_ci', 'manual')",
bindCase.originText,
bindCase.bindText,
bindCase.db,
)
mustExecSQL(c, se, sql)
upgradeToVer67(se, version66)
r := mustExecSQL(c, se, `select original_sql, bind_sql, default_db, status from mysql.bind_info where source != 'builtin'`)
req := r.NewChunk()
c.Assert(r.Next(ctx, req), IsNil)
row := req.GetRow(0)
c.Assert(row.GetString(0), Equals, bindCase.originWithDB)
c.Assert(row.GetString(1), Equals, bindCase.bindWithDB)
c.Assert(row.GetString(2), Equals, "")
c.Assert(row.GetString(3), Equals, "using")
c.Assert(r.Close(), IsNil)
sql = fmt.Sprintf("drop global binding for %s", bindCase.deleteText)
mustExecSQL(c, se, sql)
r = mustExecSQL(c, se, `select original_sql, bind_sql, status from mysql.bind_info where source != 'builtin'`)
c.Assert(r.Next(ctx, req), IsNil)
row = req.GetRow(0)
c.Assert(row.GetString(0), Equals, bindCase.originWithDB)
c.Assert(row.GetString(1), Equals, bindCase.bindWithDB)
c.Assert(row.GetString(2), Equals, "deleted")
c.Assert(r.Close(), IsNil)
sql = fmt.Sprintf("delete from mysql.bind_info where original_sql = '%s'", bindCase.originWithDB)
mustExecSQL(c, se, sql)
}
}
func (s *testBootstrapSuite) TestUpdateDuplicateBindInfo(c *C) {
defer testleak.AfterTest(c)()
ctx := context.Background()
store, dom := newStoreWithBootstrap(c, s.dbName)
defer store.Close()
defer dom.Close()
se := newSession(c, store, s.dbName)
mustExecSQL(c, se, `insert into mysql.bind_info values('select * from t', 'select /*+ use_index(t, idx_a)*/ * from t', 'test', 'using', '2021-01-04 14:50:58.257', '2021-01-04 14:50:58.257', 'utf8', 'utf8_general_ci', 'manual')`)
// The latest one.
mustExecSQL(c, se, `insert into mysql.bind_info values('select * from test . t', 'select /*+ use_index(t, idx_b)*/ * from test.t', 'test', 'using', '2021-01-04 14:50:58.257', '2021-01-09 14:50:58.257', 'utf8', 'utf8_general_ci', 'manual')`)
mustExecSQL(c, se, `insert into mysql.bind_info values('select * from t where a < ?', 'select * from t use index(idx) where a < 1', 'test', 'deleted', '2021-06-04 17:04:43.333', '2021-06-04 17:04:43.335', 'utf8', 'utf8_general_ci', 'manual')`)
mustExecSQL(c, se, `insert into mysql.bind_info values('select * from t where a < ?', 'select * from t ignore index(idx) where a < 1', 'test', 'using', '2021-06-04 17:04:43.335', '2021-06-04 17:04:43.335', 'utf8', 'utf8_general_ci', 'manual')`)
mustExecSQL(c, se, `insert into mysql.bind_info values('select * from test . t where a <= ?', 'select * from test.t use index(idx) where a <= 1', '', 'deleted', '2021-06-04 17:04:43.345', '2021-06-04 17:04:45.334', 'utf8', 'utf8_general_ci', 'manual')`)
mustExecSQL(c, se, `insert into mysql.bind_info values('select * from test . t where a <= ?', 'select * from test.t ignore index(idx) where a <= 1', '', 'using', '2021-06-04 17:04:45.334', '2021-06-04 17:04:45.334', 'utf8', 'utf8_general_ci', 'manual')`)
upgradeToVer67(se, version66)
r := mustExecSQL(c, se, `select original_sql, bind_sql, default_db, status, create_time from mysql.bind_info where source != 'builtin' order by create_time`)
req := r.NewChunk()
c.Assert(r.Next(ctx, req), IsNil)
c.Assert(req.NumRows(), Equals, 3)
row := req.GetRow(0)
c.Assert(row.GetString(0), Equals, "select * from `test` . `t`")
c.Assert(row.GetString(1), Equals, "SELECT /*+ use_index(`t` `idx_b`)*/ * FROM `test`.`t`")
c.Assert(row.GetString(2), Equals, "")
c.Assert(row.GetString(3), Equals, "using")
c.Assert(row.GetTime(4).String(), Equals, "2021-01-04 14:50:58.257")
row = req.GetRow(1)
c.Assert(row.GetString(0), Equals, "select * from `test` . `t` where `a` < ?")
c.Assert(row.GetString(1), Equals, "SELECT * FROM `test`.`t` IGNORE INDEX (`idx`) WHERE `a` < 1")
c.Assert(row.GetString(2), Equals, "")
c.Assert(row.GetString(3), Equals, "using")
c.Assert(row.GetTime(4).String(), Equals, "2021-06-04 17:04:43.335")
row = req.GetRow(2)
c.Assert(row.GetString(0), Equals, "select * from `test` . `t` where `a` <= ?")
c.Assert(row.GetString(1), Equals, "SELECT * FROM `test`.`t` IGNORE INDEX (`idx`) WHERE `a` <= 1")
c.Assert(row.GetString(2), Equals, "")
c.Assert(row.GetString(3), Equals, "using")
c.Assert(row.GetTime(4).String(), Equals, "2021-06-04 17:04:45.334")
c.Assert(r.Close(), IsNil)
mustExecSQL(c, se, "delete from mysql.bind_info where original_sql = 'select * from test . t'")
}
func (s *testBootstrapSuite) TestUpgradeClusteredIndexDefaultValue(c *C) {
var err error
defer testleak.AfterTest(c)()
store, _ := newStoreWithBootstrap(c, s.dbName)
defer func() {
c.Assert(store.Close(), IsNil)
}()
seV67 := newSession(c, store, s.dbName)
txn, err := store.Begin()
c.Assert(err, IsNil)
m := meta.NewMeta(txn)
err = m.FinishBootstrap(int64(67))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
mustExecSQL(c, seV67, "update mysql.tidb set variable_value='67' where variable_name='tidb_server_version'")
mustExecSQL(c, seV67, "UPDATE mysql.global_variables SET VARIABLE_VALUE = 'OFF' where VARIABLE_NAME = 'tidb_enable_clustered_index'")
c.Assert(seV67.GetSessionVars().StmtCtx.AffectedRows(), Equals, uint64(1))
mustExecSQL(c, seV67, "commit")
unsetStoreBootstrapped(store.UUID())
ver, err := getBootstrapVersion(seV67)
c.Assert(err, IsNil)
c.Assert(ver, Equals, int64(67))
domV68, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer domV68.Close()
seV68 := newSession(c, store, s.dbName)
ver, err = getBootstrapVersion(seV68)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
r := mustExecSQL(c, seV68, `select @@global.tidb_enable_clustered_index, @@session.tidb_enable_clustered_index`)
req := r.NewChunk()
c.Assert(r.Next(context.Background(), req), IsNil)
c.Assert(req.NumRows(), Equals, 1)
row := req.GetRow(0)
c.Assert(row.GetString(0), Equals, "INT_ONLY")
c.Assert(row.GetString(1), Equals, "INT_ONLY")
}
func (s *testBootstrapSuite) TestUpgradeVersion66(c *C) {
var err error
defer testleak.AfterTest(c)()
ctx := context.Background()
store, _ := newStoreWithBootstrap(c, s.dbName)
defer func() {
c.Assert(store.Close(), IsNil)
}()
seV65 := newSession(c, store, s.dbName)
txn, err := store.Begin()
c.Assert(err, IsNil)
m := meta.NewMeta(txn)
err = m.FinishBootstrap(int64(65))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
mustExecSQL(c, seV65, "update mysql.tidb set variable_value='65' where variable_name='tidb_server_version'")
mustExecSQL(c, seV65, "set @@global.tidb_track_aggregate_memory_usage = 0")
mustExecSQL(c, seV65, "commit")
unsetStoreBootstrapped(store.UUID())
ver, err := getBootstrapVersion(seV65)
c.Assert(err, IsNil)
c.Assert(ver, Equals, int64(65))
domV66, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer domV66.Close()
seV66 := newSession(c, store, s.dbName)
ver, err = getBootstrapVersion(seV66)
c.Assert(err, IsNil)
c.Assert(ver, Equals, currentBootstrapVersion)
r := mustExecSQL(c, seV66, `select @@global.tidb_track_aggregate_memory_usage, @@session.tidb_track_aggregate_memory_usage`)
req := r.NewChunk()
c.Assert(r.Next(ctx, req), IsNil)
c.Assert(req.NumRows(), Equals, 1)
row := req.GetRow(0)
c.Assert(row.GetInt64(0), Equals, int64(1))
c.Assert(row.GetInt64(1), Equals, int64(1))
}
func (s *testBootstrapSuite) TestForIssue23387(c *C) {
// For issue https://github.com/pingcap/tidb/issues/23387
saveCurrentBootstrapVersion := currentBootstrapVersion
currentBootstrapVersion = version57
// Bootstrap to an old version, create a user.
store, err := mockstore.NewMockStore()
c.Assert(err, IsNil)
defer store.Close()
_, err = BootstrapSession(store)
// domain leaked here, Close() is not called. For testing, it's OK.
// If we close it and BootstrapSession again, we'll get an error "session pool is closed".
// The problem is caused by some the global level variable, domain map is not intended for multiple instances.
c.Assert(err, IsNil)
se := newSession(c, store, s.dbName)
mustExecSQL(c, se, "create user quatest")
// Upgrade to a newer version, check the user's privilege.
currentBootstrapVersion = saveCurrentBootstrapVersion
dom, err := BootstrapSession(store)
c.Assert(err, IsNil)
defer dom.Close()
se = newSession(c, store, s.dbName)
rs, err := exec(se, "show grants for quatest")
c.Assert(err, IsNil)
rows, err := ResultSetToStringSlice(context.Background(), se, rs)
c.Assert(err, IsNil)
c.Assert(len(rows), Equals, 1)
c.Assert(rows[0][0], Equals, "GRANT USAGE ON *.* TO 'quatest'@'%'")
}