// CreateSession creates a new session environment.
func CreateSession(store kv.Storage) (Session, error) {
s := &session{
values: make(map[fmt.Stringer]interface{}),
store: store,
sid: atomic.AddInt64(&sessionID, 1),
}
domain, err := domap.Get(store)
if err != nil {
return nil, err
}
sessionctx.BindDomain(s, domain)
variable.BindSessionVars(s)
variable.GetSessionVars(s).SetStatusFlag(mysql.ServerStatusAutocommit, true)
// session implements variable.GlobalVarAccessor. Bind it to ctx.
variable.BindGlobalVarAccessor(s, s)
// session implements autocommit.Checker. Bind it to ctx
autocommit.BindAutocommitChecker(s, s)
sessionMu.Lock()
defer sessionMu.Unlock()
_, ok := storeBootstrapped[store.UUID()]
if !ok {
s.initing = true
bootstrap(s)
s.initing = false
storeBootstrapped[store.UUID()] = true
}
// TODO: Add auth here
privChecker := &privileges.UserPrivileges{}
privilege.BindPrivilegeChecker(s, privChecker)
return s, nil
}
func (p *testShowSuit) SetUpSuite(c *C) {
nc := mock.NewContext()
p.ctx = nc
variable.BindSessionVars(p.ctx)
variable.BindGlobalVarAccessor(p.ctx, nc)
variable.RegisterStatistics(p.ms)
p.dbName = "testshowplan"
p.store = newStore(c, p.dbName)
p.txn, _ = p.store.Begin()
se := newSession(c, p.store, p.dbName)
p.createDBSQL = fmt.Sprintf("create database if not exists %s;", p.dbName)
p.dropDBSQL = fmt.Sprintf("drop database if exists %s;", p.dbName)
p.useDBSQL = fmt.Sprintf("use %s;", p.dbName)
p.createTableSQL = `CREATE TABLE test(id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id));`
mustExecSQL(c, se, p.createDBSQL)
mustExecSQL(c, se, p.useDBSQL)
mustExecSQL(c, se, p.createTableSQL)
p.createSystemDBSQL = fmt.Sprintf("create database if not exists %s;", mysql.SystemDB)
p.createUserTableSQL = tidb.CreateUserTable
p.createDBPrivTableSQL = tidb.CreateDBPrivTable
p.createTablePrivTableSQL = tidb.CreateTablePrivTable
p.createColumnPrivTableSQL = tidb.CreateColumnPrivTable
mustExecSQL(c, se, p.createSystemDBSQL)
mustExecSQL(c, se, p.createUserTableSQL)
mustExecSQL(c, se, p.createDBPrivTableSQL)
mustExecSQL(c, se, p.createTablePrivTableSQL)
mustExecSQL(c, se, p.createColumnPrivTableSQL)
}
// CreateSession creates a new session environment.
func CreateSession(store kv.Storage) (Session, error) {
s := &session{
values: make(map[fmt.Stringer]interface{}),
store: store,
sid: atomic.AddInt64(&sessionID, 1),
debugInfos: make(map[string]interface{}),
maxRetryCnt: 10,
parser: parser.New(),
}
domain, err := domap.Get(store)
if err != nil {
return nil, errors.Trace(err)
}
sessionctx.BindDomain(s, domain)
variable.BindSessionVars(s)
variable.GetSessionVars(s).SetStatusFlag(mysql.ServerStatusAutocommit, true)
// session implements variable.GlobalVarAccessor. Bind it to ctx.
variable.BindGlobalVarAccessor(s, s)
// session implements autocommit.Checker. Bind it to ctx
autocommit.BindAutocommitChecker(s, s)
sessionMu.Lock()
defer sessionMu.Unlock()
ver := getStoreBootstrapVersion(store)
if ver == notBootstrapped {
// if no bootstrap and storage is remote, we must use a little lease time to
// bootstrap quickly, after bootstrapped, we will reset the lease time.
// TODO: Using a bootstap tool for doing this may be better later.
if !localstore.IsLocalStore(store) {
sessionctx.GetDomain(s).SetLease(chooseMinLease(100*time.Millisecond, schemaLease))
}
s.SetValue(context.Initing, true)
bootstrap(s)
s.ClearValue(context.Initing)
if !localstore.IsLocalStore(store) {
sessionctx.GetDomain(s).SetLease(schemaLease)
}
finishBootstrap(store)
} else if ver < currentBootstrapVersion {
s.SetValue(context.Initing, true)
upgrade(s)
s.ClearValue(context.Initing)
}
// TODO: Add auth here
privChecker := &privileges.UserPrivileges{}
privilege.BindPrivilegeChecker(s, privChecker)
return s, nil
}
func (s *testVariableSuite) SetUpSuite(c *C) {
nc := mock.NewContext()
s.ctx = nc
variable.BindSessionVars(s.ctx)
variable.BindGlobalVarAccessor(s.ctx, nc)
}