Files
tidb/executor/simple_test.go

125 lines
6.6 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package executor_test
import (
"context"
"fmt"
"strconv"
"testing"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/parser/auth"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/server"
"github.com/pingcap/tidb/testkit"
"github.com/pingcap/tidb/util"
"github.com/stretchr/testify/require"
tikvutil "github.com/tikv/client-go/v2/util"
)
func TestKillStmt(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
sv := server.CreateMockServer(t, store)
sv.SetDomain(dom)
defer sv.Close()
conn1 := server.CreateMockConn(t, sv)
tk := testkit.NewTestKitWithSession(t, store, conn1.Context().Session)
originCfg := config.GetGlobalConfig()
newCfg := *originCfg
newCfg.EnableGlobalKill = false
config.StoreGlobalConfig(&newCfg)
defer func() {
config.StoreGlobalConfig(originCfg)
}()
connID := conn1.ID()
tk.MustExec("use test")
tk.MustExec(fmt.Sprintf("kill %d", connID))
result := tk.MustQuery("show warnings")
result.Check(testkit.Rows("Warning 1105 Invalid operation. Please use 'KILL TIDB [CONNECTION | QUERY] [connectionID | CONNECTION_ID()]' instead"))
newCfg2 := *originCfg
newCfg2.EnableGlobalKill = true
config.StoreGlobalConfig(&newCfg2)
// ZERO serverID, treated as truncated.
tk.MustExec("kill 1")
result = tk.MustQuery("show warnings")
result.Check(testkit.Rows("Warning 1105 Kill failed: Received a 32bits truncated ConnectionID, expect 64bits. Please execute 'KILL [CONNECTION | QUERY] ConnectionID' to send a Kill without truncating ConnectionID."))
// truncated
tk.MustExec("kill 101")
result = tk.MustQuery("show warnings")
result.Check(testkit.Rows("Warning 1105 Kill failed: Received a 32bits truncated ConnectionID, expect 64bits. Please execute 'KILL [CONNECTION | QUERY] ConnectionID' to send a Kill without truncating ConnectionID."))
// excceed int64
tk.MustExec("kill 9223372036854775808") // 9223372036854775808 == 2^63
result = tk.MustQuery("show warnings")
result.Check(testkit.Rows("Warning 1105 Parse ConnectionID failed: Unexpected connectionID excceeds int64"))
// local kill
killConnID := util.NewGlobalConnID(connID, true)
tk.MustExec("kill " + strconv.FormatUint(killConnID.ID(), 10))
result = tk.MustQuery("show warnings")
result.Check(testkit.Rows())
tk.MustExecToErr("kill rand()", "Invalid operation. Please use 'KILL TIDB [CONNECTION | QUERY] [connectionID | CONNECTION_ID()]' instead")
// remote kill is tested in `tests/globalkilltest`
}
func TestUserAttributes(t *testing.T) {
store, _ := testkit.CreateMockStoreAndDomain(t)
rootTK := testkit.NewTestKit(t, store)
ctx := context.WithValue(context.Background(), tikvutil.RequestSourceKey, tikvutil.RequestSource{RequestSourceInternal: true})
// https://dev.mysql.com/doc/refman/8.0/en/create-user.html#create-user-comments-attributes
rootTK.MustExec(`CREATE USER testuser COMMENT '1234'`)
rootTK.MustExec(`CREATE USER testuser1 ATTRIBUTE '{"name": "Tom", "age": 19}'`)
_, err := rootTK.Exec(`CREATE USER testuser2 ATTRIBUTE '{"name": "Tom", age: 19}'`)
rootTK.MustExec(`CREATE USER testuser2`)
require.Error(t, err)
rootTK.MustQuery(`SELECT user_attributes FROM mysql.user WHERE user = 'testuser'`).Check(testkit.Rows(`{"metadata": {"comment": "1234"}}`))
rootTK.MustQuery(`SELECT user_attributes FROM mysql.user WHERE user = 'testuser1'`).Check(testkit.Rows(`{"metadata": {"age": 19, "name": "Tom"}}`))
rootTK.MustQuery(`SELECT user_attributes FROM mysql.user WHERE user = 'testuser2'`).Check(testkit.Rows(`<nil>`))
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser'`).Check(testkit.Rows(`{"comment": "1234"}`))
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser1'`).Check(testkit.Rows(`{"age": 19, "name": "Tom"}`))
rootTK.MustQueryWithContext(ctx, `SELECT attribute->>"$.age" AS age, attribute->>"$.name" AS name FROM information_schema.user_attributes WHERE user = 'testuser1'`).Check(testkit.Rows(`19 Tom`))
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser2'`).Check(testkit.Rows(`<nil>`))
// https://dev.mysql.com/doc/refman/8.0/en/alter-user.html#alter-user-comments-attributes
rootTK.MustExec(`ALTER USER testuser1 ATTRIBUTE '{"age": 20, "sex": "male"}'`)
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser1'`).Check(testkit.Rows(`{"age": 20, "name": "Tom", "sex": "male"}`))
rootTK.MustExec(`ALTER USER testuser1 ATTRIBUTE '{"sex": null}'`)
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser1'`).Check(testkit.Rows(`{"age": 20, "name": "Tom"}`))
rootTK.MustExec(`ALTER USER testuser1 COMMENT '5678'`)
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser1'`).Check(testkit.Rows(`{"age": 20, "comment": "5678", "name": "Tom"}`))
rootTK.MustExec(`ALTER USER testuser1 COMMENT ''`)
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser1'`).Check(testkit.Rows(`{"age": 20, "comment": "", "name": "Tom"}`))
rootTK.MustExec(`ALTER USER testuser1 ATTRIBUTE '{"comment": null}'`)
rootTK.MustQueryWithContext(ctx, `SELECT attribute FROM information_schema.user_attributes WHERE user = 'testuser1'`).Check(testkit.Rows(`{"age": 20, "name": "Tom"}`))
// Non-root users could access COMMENT or ATTRIBUTE of all users via the view,
// but not via the mysql.user table.
tk := testkit.NewTestKit(t, store)
require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "testuser1"}, nil, nil))
tk.MustQueryWithContext(ctx, `SELECT user, host, attribute FROM information_schema.user_attributes ORDER BY user`).Check(
testkit.Rows("root % <nil>", "testuser % {\"comment\": \"1234\"}", "testuser1 % {\"age\": 20, \"name\": \"Tom\"}", "testuser2 % <nil>"))
tk.MustGetErrCode(`SELECT user, host, user_attributes FROM mysql.user ORDER BY user`, mysql.ErrTableaccessDenied)
}