Files
tidb/pkg/executor/test/showtest/show_test.go

1120 lines
58 KiB
Go

// Copyright 2020 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 showtest
import (
"context"
"fmt"
"strings"
"testing"
"time"
"github.com/pingcap/failpoint"
_ "github.com/pingcap/tidb/pkg/autoid_service"
"github.com/pingcap/tidb/pkg/executor"
"github.com/pingcap/tidb/pkg/infoschema"
"github.com/pingcap/tidb/pkg/meta/model"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/parser/auth"
"github.com/pingcap/tidb/pkg/parser/mysql"
parsertypes "github.com/pingcap/tidb/pkg/parser/types"
"github.com/pingcap/tidb/pkg/privilege/privileges"
"github.com/pingcap/tidb/pkg/session"
"github.com/pingcap/tidb/pkg/sessionctx/vardef"
"github.com/pingcap/tidb/pkg/sessionctx/variable"
"github.com/pingcap/tidb/pkg/testkit"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/dbterror/exeerrors"
"github.com/pingcap/tidb/pkg/util/dbterror/plannererrors"
"github.com/stretchr/testify/require"
)
func TestShowCreateTablePlacement(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
defer tk.MustExec(`DROP TABLE IF EXISTS t`)
// case for policy
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create placement policy x " +
"FOLLOWERS=2 " +
"CONSTRAINTS=\"[+disk=ssd]\" ")
defer tk.MustExec(`DROP PLACEMENT POLICY IF EXISTS x`)
tk.MustExec("create table t(a int)" +
"PLACEMENT POLICY=\"x\"")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|",
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin "+
"/*T![placement] PLACEMENT POLICY=`x` */",
))
// case for policy with quotes
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int)" +
"/*T![placement] PLACEMENT POLICY=\"x\" */")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|",
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin "+
"/*T![placement] PLACEMENT POLICY=`x` */",
))
// Partitioned tables
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"/*T![placement] PLACEMENT POLICY=\"x\" */" +
"PARTITION BY LIST (a)\n" +
"(PARTITION pLow VALUES in (1,2,3,5,8) COMMENT 'a comment' placement policy 'x'," +
" PARTITION pMid VALUES in (9) COMMENT 'another comment'," +
"partition pMax values IN (10,11,12))")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|", ""+
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL,\n"+
" `b` varchar(255) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![placement] PLACEMENT POLICY=`x` */\n"+
"PARTITION BY LIST (`a`)\n"+
"(PARTITION `pLow` VALUES IN (1,2,3,5,8) COMMENT 'a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n"+
" PARTITION `pMid` VALUES IN (9) COMMENT 'another comment',\n"+
" PARTITION `pMax` VALUES IN (10,11,12))",
))
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"PARTITION BY LIST COLUMNS (b)\n" +
"(PARTITION pLow VALUES in ('1','2','3','5','8') COMMENT 'a comment' placement policy 'x'," +
"partition pMax values IN ('10','11','12'))")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|", ""+
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL,\n"+
" `b` varchar(255) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+
"PARTITION BY LIST COLUMNS(`b`)\n"+
"(PARTITION `pLow` VALUES IN ('1','2','3','5','8') COMMENT 'a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n"+
" PARTITION `pMax` VALUES IN ('10','11','12'))",
))
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"PARTITION BY LIST COLUMNS (a,b)\n" +
"(PARTITION pLow VALUES in ((1,'1'),(2,'2'),(3,'3'),(5,'5'),(8,'8')) COMMENT 'a comment' placement policy 'x'," +
"partition pMax values IN ((10,'10'),(11,'11'),(12,'12')))")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|", ""+
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL,\n"+
" `b` varchar(255) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+
"PARTITION BY LIST COLUMNS(`a`,`b`)\n"+
"(PARTITION `pLow` VALUES IN ((1,'1'),(2,'2'),(3,'3'),(5,'5'),(8,'8')) COMMENT 'a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n"+
" PARTITION `pMax` VALUES IN ((10,'10'),(11,'11'),(12,'12')))",
))
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"PARTITION BY RANGE (a)\n" +
"(PARTITION pLow VALUES less than (1000000) COMMENT 'a comment' placement policy 'x'," +
"partition pMax values LESS THAN (MAXVALUE))")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|", ""+
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL,\n"+
" `b` varchar(255) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+
"PARTITION BY RANGE (`a`)\n"+
"(PARTITION `pLow` VALUES LESS THAN (1000000) COMMENT 'a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n"+
" PARTITION `pMax` VALUES LESS THAN (MAXVALUE))",
))
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"PARTITION BY RANGE COLUMNS (b)\n" +
"(PARTITION pLow VALUES less than ('1000000') COMMENT 'a comment' placement policy 'x'," +
"partition pMax values LESS THAN (MAXVALUE))")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|", ""+
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL,\n"+
" `b` varchar(255) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+
"PARTITION BY RANGE COLUMNS(`b`)\n"+
"(PARTITION `pLow` VALUES LESS THAN ('1000000') COMMENT 'a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n"+
" PARTITION `pMax` VALUES LESS THAN (MAXVALUE))",
))
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"/*T![placement] PLACEMENT POLICY=\"x\" */" +
"PARTITION BY RANGE COLUMNS (a,b)\n" +
"(PARTITION pLow VALUES less than (1000000,'1000000') COMMENT 'a comment' placement policy 'x'," +
" PARTITION pMidLow VALUES less than (1000000,MAXVALUE) COMMENT 'another comment' placement policy 'x'," +
" PARTITION pMadMax VALUES less than (9000000,'1000000') COMMENT ='Not a comment' placement policy 'x'," +
"partition pMax values LESS THAN (MAXVALUE, 'Does not matter...'))")
tk.MustQuery("show warnings").Check(testkit.Rows())
tk.MustExec(`insert into t values (1,'1')`)
tk.MustQuery("select * from t").Check(testkit.Rows("1 1"))
tk.MustQuery(`show create table t`).Check(testkit.Rows(
"t CREATE TABLE `t` (\n" +
" `a` int(11) DEFAULT NULL,\n" +
" `b` varchar(255) DEFAULT NULL\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![placement] PLACEMENT POLICY=`x` */\n" +
"PARTITION BY RANGE COLUMNS(`a`,`b`)\n" +
"(PARTITION `pLow` VALUES LESS THAN (1000000,'1000000') COMMENT 'a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n" +
" PARTITION `pMidLow` VALUES LESS THAN (1000000,MAXVALUE) COMMENT 'another comment' /*T![placement] PLACEMENT POLICY=`x` */,\n" +
" PARTITION `pMadMax` VALUES LESS THAN (9000000,'1000000') COMMENT 'Not a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n" +
" PARTITION `pMax` VALUES LESS THAN (MAXVALUE,'Does not matter...'))"))
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"/*T![placement] PLACEMENT POLICY=\"x\" */" +
"PARTITION BY HASH (a) PARTITIONS 2")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|", ""+
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL,\n"+
" `b` varchar(255) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![placement] PLACEMENT POLICY=`x` */\n"+
"PARTITION BY HASH (`a`) PARTITIONS 2",
))
tk.MustExec(`DROP TABLE IF EXISTS t`)
tk.MustExec("create table t(a int, b varchar(255))" +
"PARTITION BY HASH (a)\n" +
"(PARTITION pLow COMMENT 'a comment' placement policy 'x'," +
"partition pMax)")
tk.MustQuery(`show create table t`).Check(testkit.RowsWithSep("|", ""+
"t CREATE TABLE `t` (\n"+
" `a` int(11) DEFAULT NULL,\n"+
" `b` varchar(255) DEFAULT NULL\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+
"PARTITION BY HASH (`a`)\n"+
"(PARTITION `pLow` COMMENT 'a comment' /*T![placement] PLACEMENT POLICY=`x` */,\n"+
" PARTITION `pMax`)",
))
tk.MustExec(`DROP TABLE t`)
}
func TestShowVisibility(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("create database showdatabase")
tk.MustExec("use showdatabase")
tk.MustExec("create table t1 (id int)")
tk.MustExec("create table t2 (id int)")
tk.MustExec(`create user 'show'@'%'`)
tk1 := testkit.NewTestKit(t, store)
require.NoError(t, tk1.Session().Auth(&auth.UserIdentity{Username: "show", Hostname: "%"}, nil, nil, nil))
// No ShowDatabases privilege, this user would see nothing except INFORMATION_SCHEMA.
tk.MustQuery("show databases").Check(testkit.Rows("INFORMATION_SCHEMA"))
// After grant, the user can see the database.
tk.MustExec(`grant select on showdatabase.t1 to 'show'@'%'`)
tk1.MustQuery("show databases").Check(testkit.Rows("INFORMATION_SCHEMA", "showdatabase"))
// The user can see t1 but not t2.
tk1.MustExec("use showdatabase")
tk1.MustQuery("show tables").Check(testkit.Rows("t1"))
// After revoke, show database result should be just except INFORMATION_SCHEMA.
tk.MustExec(`revoke select on showdatabase.t1 from 'show'@'%'`)
tk1.MustQuery("show databases").Check(testkit.Rows("INFORMATION_SCHEMA"))
// Grant any global privilege would make show databases available.
tk.MustExec(`grant CREATE on *.* to 'show'@'%'`)
rows := tk1.MustQuery("show databases").Rows()
require.GreaterOrEqual(t, len(rows), 2)
tk.MustExec(`drop user 'show'@'%'`)
tk.MustExec("drop database showdatabase")
}
func TestShowWarnings(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
testSQL := `create table if not exists show_warnings (a int)`
tk.MustExec(testSQL)
tk.MustExec("set @@sql_mode=''")
tk.MustExec("insert show_warnings values ('a')")
require.Equal(t, uint16(1), tk.Session().GetSessionVars().StmtCtx.WarningCount())
tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Warning|1366|Incorrect int value: 'a' for column 'a' at row 1"))
require.Equal(t, uint16(0), tk.Session().GetSessionVars().StmtCtx.WarningCount())
tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Warning|1366|Incorrect int value: 'a' for column 'a' at row 1"))
require.Equal(t, uint16(0), tk.Session().GetSessionVars().StmtCtx.WarningCount())
// Test Warning level 'Error'
testSQL = `create table show_warnings (a int)`
_, _ = tk.Exec(testSQL)
// FIXME: Table 'test.show_warnings' already exists
require.Equal(t, uint16(1), tk.Session().GetSessionVars().StmtCtx.WarningCount())
tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Error|1050|Table 'test.show_warnings' already exists"))
tk.MustQuery("select @@error_count").Check(testkit.RowsWithSep("|", "1"))
// Test Warning level 'Note'
testSQL = `create table show_warnings_2 (a int)`
tk.MustExec(testSQL)
testSQL = `create table if not exists show_warnings_2 like show_warnings`
_, err := tk.Exec(testSQL)
require.NoError(t, err)
require.Equal(t, uint16(1), tk.Session().GetSessionVars().StmtCtx.WarningCount())
tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Note|1050|Table 'test.show_warnings_2' already exists"))
tk.MustQuery("select @@warning_count").Check(testkit.RowsWithSep("|", "1"))
tk.MustQuery("select @@warning_count").Check(testkit.RowsWithSep("|", "0"))
}
func TestShowWarningsForExprPushdown(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec(`set tidb_cost_model_version=2`)
tk.MustExec("set @@session.tidb_allow_tiflash_cop=ON")
testSQL := `create table if not exists show_warnings_expr_pushdown (a int, value date)`
tk.MustExec(testSQL)
// create tiflash replica
{
is := dom.InfoSchema()
tblInfo, err := is.TableByName(context.Background(), ast.NewCIStr("test"), ast.NewCIStr("show_warnings_expr_pushdown"))
require.NoError(t, err)
tblInfo.Meta().TiFlashReplica = &model.TiFlashReplicaInfo{
Count: 1,
Available: true,
}
}
tk.MustExec("set tidb_allow_mpp=0")
tk.MustExec("explain select * from show_warnings_expr_pushdown t where md5(value) = '2020-01-01'")
require.Equal(t, uint16(1), tk.Session().GetSessionVars().StmtCtx.WarningCount())
tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Warning|1105|Scalar function 'md5'(signature: MD5, return type: var_string(32)) is not supported to push down to tiflash now."))
tk.MustExec("explain select /*+ read_from_storage(tiflash[show_warnings_expr_pushdown]) */ max(md5(value)) from show_warnings_expr_pushdown group by a")
require.Equal(t, uint16(2), tk.Session().GetSessionVars().StmtCtx.WarningCount())
tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Warning|1105|Scalar function 'md5'(signature: MD5, return type: var_string(32)) is not supported to push down to tiflash now.", "Warning|1105|Aggregation can not be pushed to tiflash because arguments of AggFunc `max` contains unsupported exprs"))
tk.MustExec("explain select /*+ read_from_storage(tiflash[show_warnings_expr_pushdown]) */ max(a) from show_warnings_expr_pushdown group by md5(value)")
require.Equal(t, uint16(2), tk.Session().GetSessionVars().StmtCtx.WarningCount())
tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Warning|1105|Scalar function 'md5'(signature: MD5, return type: var_string(32)) is not supported to push down to tiflash now.", "Warning|1105|Aggregation can not be pushed to tiflash because groupByItems contain unsupported exprs"))
tk.MustExec("set tidb_opt_distinct_agg_push_down=0")
tk.MustExec("explain select max(distinct a) from show_warnings_expr_pushdown group by value")
require.Equal(t, uint16(0), tk.Session().GetSessionVars().StmtCtx.WarningCount())
// tk.MustQuery("show warnings").Check(testkit.RowsWithSep("|", "Warning|1105|Aggregation can not be pushed to storage layer in non-mpp mode because it contains agg function with distinct"))
}
func TestShowGrantsPrivilege(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("create user show_grants")
tk.MustExec("show grants for show_grants")
tk1 := testkit.NewTestKit(t, store)
require.NoError(t, tk1.Session().Auth(&auth.UserIdentity{Username: "show_grants", Hostname: "%"}, nil, nil, nil))
err := tk1.QueryToErr("show grants for root")
require.EqualError(t, exeerrors.ErrDBaccessDenied.GenWithStackByArgs("show_grants", "%", mysql.SystemDB), err.Error())
// Test show grants for user with auth host name `%`.
tk2 := testkit.NewTestKit(t, store)
require.NoError(t, tk2.Session().Auth(&auth.UserIdentity{Username: "show_grants", Hostname: "127.0.0.1", AuthUsername: "show_grants", AuthHostname: "%"}, nil, nil, nil))
tk2.MustQuery("show grants")
}
func TestShowStatsPrivilege(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("create user show_stats")
tk1 := testkit.NewTestKit(t, store)
require.NoError(t, tk1.Session().Auth(&auth.UserIdentity{Username: "show_stats", Hostname: "%"}, nil, nil, nil))
e := "[planner:1142]SHOW command denied to user 'show_stats'@'%' for table"
err := tk1.ExecToErr("show stats_meta")
require.ErrorContains(t, err, e)
err = tk1.ExecToErr("SHOW STATS_BUCKETS")
require.ErrorContains(t, err, e)
err = tk1.ExecToErr("SHOW STATS_HISTOGRAMS")
require.ErrorContains(t, err, e)
eqErr := plannererrors.ErrDBaccessDenied.GenWithStackByArgs("show_stats", "%", mysql.SystemDB)
err = tk1.ExecToErr("SHOW STATS_HEALTHY")
require.EqualError(t, err, eqErr.Error())
tk.MustExec("grant select on mysql.* to show_stats")
tk1.MustExec("show stats_meta")
tk1.MustExec("SHOW STATS_BUCKETS")
tk1.MustExec("SHOW STATS_HEALTHY")
tk1.MustExec("SHOW STATS_HISTOGRAMS")
tk.MustExec("create user a@'%' identified by '';")
require.NoError(t, tk1.Session().Auth(&auth.UserIdentity{Username: "a", Hostname: "%"}, nil, nil, nil))
tk.MustExec("grant select on mysql.stats_meta to a@'%';")
tk.MustExec("grant select on mysql.stats_buckets to a@'%';")
tk.MustExec("grant select on mysql.stats_histograms to a@'%';")
tk1.MustExec("show stats_meta")
tk1.MustExec("SHOW STATS_BUCKETS")
tk1.MustExec("SHOW STATS_HISTOGRAMS")
}
func TestIssue18878(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "127.0.0.1", AuthHostname: "%"}, nil, nil, nil))
tk.MustQuery("select user()").Check(testkit.Rows("root@127.0.0.1"))
tk.MustQuery("show grants")
tk.MustQuery("select user()").Check(testkit.Rows("root@127.0.0.1"))
err := tk.QueryToErr("show grants for root@127.0.0.1")
require.Equal(t, privileges.ErrNonexistingGrant.FastGenByArgs("root", "127.0.0.1").Error(), err.Error())
err = tk.QueryToErr("show grants for root@localhost")
require.Equal(t, privileges.ErrNonexistingGrant.FastGenByArgs("root", "localhost").Error(), err.Error())
err = tk.QueryToErr("show grants for root@1.1.1.1")
require.Equal(t, privileges.ErrNonexistingGrant.FastGenByArgs("root", "1.1.1.1").Error(), err.Error())
tk.MustExec("create user `show_grants`@`127.0.%`")
err = tk.QueryToErr("show grants for `show_grants`@`127.0.0.1`")
require.Equal(t, privileges.ErrNonexistingGrant.FastGenByArgs("show_grants", "127.0.0.1").Error(), err.Error())
tk.MustQuery("show grants for `show_grants`@`127.0.%`")
}
func TestIssue17794(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("CREATE USER 'root'@'8.8.%'")
require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "9.9.9.9", AuthHostname: "%"}, nil, nil, nil))
tk1 := testkit.NewTestKit(t, store)
require.NoError(t, tk1.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "8.8.8.8", AuthHostname: "8.8.%"}, nil, nil, nil))
tk.MustQuery("show grants").Check(testkit.Rows("GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION"))
tk1.MustQuery("show grants").Check(testkit.Rows("GRANT USAGE ON *.* TO 'root'@'8.8.%'"))
}
func TestIssue10549(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("CREATE DATABASE newdb;")
tk.MustExec("CREATE ROLE 'app_developer';")
tk.MustExec("GRANT ALL ON newdb.* TO 'app_developer';")
tk.MustExec("CREATE USER 'dev';")
tk.MustExec("GRANT 'app_developer' TO 'dev';")
tk.MustExec("SET DEFAULT ROLE app_developer TO 'dev';")
require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "dev", Hostname: "%", AuthUsername: "dev", AuthHostname: "%"}, nil, nil, nil))
tk.MustQuery("SHOW DATABASES;").Check(testkit.Rows("INFORMATION_SCHEMA", "newdb"))
tk.MustQuery("SHOW GRANTS;").Check(testkit.Rows("GRANT USAGE ON *.* TO 'dev'@'%'", "GRANT ALL PRIVILEGES ON `newdb`.* TO 'dev'@'%'", "GRANT 'app_developer'@'%' TO 'dev'@'%'"))
tk.MustQuery("SHOW GRANTS FOR CURRENT_USER").Check(testkit.Rows("GRANT USAGE ON *.* TO 'dev'@'%'", "GRANT ALL PRIVILEGES ON `newdb`.* TO 'dev'@'%'", "GRANT 'app_developer'@'%' TO 'dev'@'%'"))
tk.MustQuery("SHOW GRANTS FOR dev").Check(testkit.Rows("GRANT USAGE ON *.* TO 'dev'@'%'", "GRANT 'app_developer'@'%' TO 'dev'@'%'"))
}
func TestIssue11165(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("CREATE ROLE 'r_manager';")
tk.MustExec("CREATE USER 'manager'@'localhost';")
tk.MustExec("GRANT 'r_manager' TO 'manager'@'localhost';")
require.NoError(t, tk.Session().Auth(&auth.UserIdentity{Username: "manager", Hostname: "localhost", AuthUsername: "manager", AuthHostname: "localhost"}, nil, nil, nil))
tk.MustExec("SET DEFAULT ROLE ALL TO 'manager'@'localhost';")
tk.MustExec("SET DEFAULT ROLE NONE TO 'manager'@'localhost';")
tk.MustExec("SET DEFAULT ROLE 'r_manager' TO 'manager'@'localhost';")
}
// TestShow2 is moved from session_test
func TestShow2(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("set global autocommit=0")
tk1 := testkit.NewTestKit(t, store)
tk1.MustQuery("show global variables where variable_name = 'autocommit'").Check(testkit.Rows("autocommit OFF"))
tk.MustExec("set global autocommit = 1")
tk2 := testkit.NewTestKit(t, store)
tk2.MustQuery("show global variables where variable_name = 'autocommit'").Check(testkit.Rows("autocommit ON"))
// TODO: Specifying the charset for national char/varchar should not be supported.
tk.MustExec("drop table if exists test_full_column")
tk.MustExec(`create table test_full_column(
c_int int,
c_float float,
c_bit bit,
c_bool bool,
c_char char(1) charset ascii collate ascii_bin,
c_nchar national char(1) charset ascii collate ascii_bin,
c_binary binary,
c_varchar varchar(1) charset ascii collate ascii_bin,
c_varchar_default varchar(20) charset ascii collate ascii_bin default 'cUrrent_tImestamp',
c_nvarchar national varchar(1) charset ascii collate ascii_bin,
c_varbinary varbinary(1),
c_year year,
c_date date,
c_time time,
c_datetime datetime,
c_datetime_default datetime default current_timestamp,
c_datetime_default_2 datetime(2) default current_timestamp(2),
c_timestamp timestamp,
c_timestamp_default timestamp default current_timestamp,
c_timestamp_default_3 timestamp(3) default current_timestamp(3),
c_timestamp_default_4 timestamp(3) default current_timestamp(3) on update current_timestamp(3),
c_date_default date default current_date,
c_date_default_2 date default (curdate()),
c_blob blob,
c_tinyblob tinyblob,
c_mediumblob mediumblob,
c_longblob longblob,
c_text text charset ascii collate ascii_bin,
c_tinytext tinytext charset ascii collate ascii_bin,
c_mediumtext mediumtext charset ascii collate ascii_bin,
c_longtext longtext charset ascii collate ascii_bin,
c_json json,
c_enum enum('1') charset ascii collate ascii_bin,
c_set set('1') charset ascii collate ascii_bin
);`)
tk.MustQuery(`show full columns from test_full_column`).Check(testkit.Rows(
"" +
"c_int int(11) <nil> YES <nil> select,insert,update,references ]\n" +
"[c_float float <nil> YES <nil> select,insert,update,references ]\n" +
"[c_bit bit(1) <nil> YES <nil> select,insert,update,references ]\n" +
"[c_bool tinyint(1) <nil> YES <nil> select,insert,update,references ]\n" +
"[c_char char(1) ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_nchar char(1) ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_binary binary(1) <nil> YES <nil> select,insert,update,references ]\n" +
"[c_varchar varchar(1) ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_varchar_default varchar(20) ascii_bin YES cUrrent_tImestamp select,insert,update,references ]\n" +
"[c_nvarchar varchar(1) ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_varbinary varbinary(1) <nil> YES <nil> select,insert,update,references ]\n" +
"[c_year year(4) <nil> YES <nil> select,insert,update,references ]\n" +
"[c_date date <nil> YES <nil> select,insert,update,references ]\n" +
"[c_time time <nil> YES <nil> select,insert,update,references ]\n" +
"[c_datetime datetime <nil> YES <nil> select,insert,update,references ]\n" +
"[c_datetime_default datetime <nil> YES CURRENT_TIMESTAMP select,insert,update,references ]\n" +
"[c_datetime_default_2 datetime(2) <nil> YES CURRENT_TIMESTAMP(2) select,insert,update,references ]\n" +
"[c_timestamp timestamp <nil> YES <nil> select,insert,update,references ]\n" +
"[c_timestamp_default timestamp <nil> YES CURRENT_TIMESTAMP select,insert,update,references ]\n" +
"[c_timestamp_default_3 timestamp(3) <nil> YES CURRENT_TIMESTAMP(3) select,insert,update,references ]\n" +
"[c_timestamp_default_4 timestamp(3) <nil> YES CURRENT_TIMESTAMP(3) DEFAULT_GENERATED on update CURRENT_TIMESTAMP(3) select,insert,update,references ]\n" +
"[c_date_default date <nil> YES CURRENT_DATE select,insert,update,references ]\n" +
"[c_date_default_2 date <nil> YES CURRENT_DATE select,insert,update,references ]\n" +
"[c_blob blob <nil> YES <nil> select,insert,update,references ]\n" +
"[c_tinyblob tinyblob <nil> YES <nil> select,insert,update,references ]\n" +
"[c_mediumblob mediumblob <nil> YES <nil> select,insert,update,references ]\n" +
"[c_longblob longblob <nil> YES <nil> select,insert,update,references ]\n" +
"[c_text text ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_tinytext tinytext ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_mediumtext mediumtext ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_longtext longtext ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_json json <nil> YES <nil> select,insert,update,references ]\n" +
"[c_enum enum('1') ascii_bin YES <nil> select,insert,update,references ]\n" +
"[c_set set('1') ascii_bin YES <nil> select,insert,update,references "))
tk.MustExec("drop table if exists test_full_column")
tk.MustExec("drop table if exists t")
tk.MustExec(`create table if not exists t (c int) comment '注释'`)
tk.MustExec("create or replace definer='root'@'localhost' view v as select * from t")
tk.MustQuery(`show columns from t`).Check(testkit.RowsWithSep(",", "c,int(11),YES,,<nil>,"))
tk.MustQuery(`describe t`).Check(testkit.RowsWithSep(",", "c,int(11),YES,,<nil>,"))
tk.MustQuery(`show columns from v`).Check(testkit.RowsWithSep(",", "c,int(11),YES,,<nil>,"))
tk.MustQuery(`describe v`).Check(testkit.RowsWithSep(",", "c,int(11),YES,,<nil>,"))
tk.MustQuery("show collation where Charset = 'utf8' and Collation = 'utf8_bin'").Check(testkit.RowsWithSep(",", "utf8_bin,utf8,83,Yes,Yes,1,PAD SPACE"))
tk.MustExec(`drop sequence if exists seq`)
tk.MustExec(`create sequence seq`)
tk.MustQuery("show tables").Check(testkit.Rows("seq", "t", "v"))
tk.MustQuery("show full tables").Check(testkit.Rows("seq SEQUENCE", "t BASE TABLE", "v VIEW"))
// Bug 19427
tk.MustQuery("SHOW FULL TABLES in INFORMATION_SCHEMA like 'VIEWS'").Check(testkit.Rows("VIEWS SYSTEM VIEW"))
tk.MustQuery("SHOW FULL TABLES in information_schema like 'VIEWS'").Check(testkit.Rows("VIEWS SYSTEM VIEW"))
tk.MustQuery("SHOW FULL TABLES in metrics_schema like 'uptime'").Check(testkit.Rows("uptime SYSTEM VIEW"))
is := dom.InfoSchema()
tblInfo, err := is.TableByName(context.Background(), ast.NewCIStr("test"), ast.NewCIStr("t"))
require.NoError(t, err)
createTime := model.TSConvert2Time(tblInfo.Meta().UpdateTS).Format(time.DateTime)
// The Hostname is the actual host
tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "192.168.0.1", AuthUsername: "root", AuthHostname: "%"}, nil, []byte("012345678901234567890"), nil)
r := tk.MustQuery("show table status from test like 't'")
r.Check(testkit.Rows(fmt.Sprintf("t InnoDB 10 Compact 0 0 0 0 0 0 <nil> %s <nil> <nil> utf8mb4_bin 注释", createTime)))
tk.MustQuery("show databases like 'test'").Check(testkit.Rows("test"))
tk.MustExec(`grant all on *.* to 'root'@'%'`)
tk.MustQuery("show grants").Check(testkit.Rows(`GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION`))
tk.MustQuery("show grants for current_user()").Check(testkit.Rows(`GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION`))
tk.MustQuery("show grants for current_user").Check(testkit.Rows(`GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION`))
}
func TestShowCreateUser(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
// Create a new user.
tk.MustExec(`CREATE USER 'test_show_create_user'@'%' IDENTIFIED BY 'root';`)
tk.MustQuery("show create user 'test_show_create_user'@'%'").
Check(testkit.Rows(`CREATE USER 'test_show_create_user'@'%' IDENTIFIED WITH 'mysql_native_password' AS '*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT`))
tk.MustExec(`CREATE USER 'test_show_create_user'@'localhost' IDENTIFIED BY 'test';`)
tk.MustQuery("show create user 'test_show_create_user'@'localhost';").
Check(testkit.Rows(`CREATE USER 'test_show_create_user'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '*94BDCEBE19083CE2A1F959FD02F964C7AF4CFC29' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT`))
// Case: the user exists but the host portion doesn't match
err := tk.QueryToErr("show create user 'test_show_create_user'@'asdf';")
require.Equal(t, exeerrors.ErrCannotUser.GenWithStackByArgs("SHOW CREATE USER", "'test_show_create_user'@'asdf'").Error(), err.Error())
// Case: a user that doesn't exist
err = tk.QueryToErr("show create user 'aaa'@'localhost';")
require.Equal(t, exeerrors.ErrCannotUser.GenWithStackByArgs("SHOW CREATE USER", "'aaa'@'localhost'").Error(), err.Error())
tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "127.0.0.1", AuthUsername: "root", AuthHostname: "%"}, nil, nil, nil)
tk.MustQuery("show create user current_user").
Check(testkit.Rows("CREATE USER 'root'@'127.0.0.1' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT"))
tk.MustQuery("show create user current_user()").
Check(testkit.Rows("CREATE USER 'root'@'127.0.0.1' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT"))
tk.MustExec("create user 'check_priv'")
// "show create user" for other user requires the SELECT privilege on mysql database.
tk1 := testkit.NewTestKit(t, store)
tk1.MustExec("use mysql")
require.NoError(t, tk1.Session().Auth(&auth.UserIdentity{Username: "check_priv", Hostname: "127.0.0.1", AuthUsername: "test_show", AuthHostname: "asdf"}, nil, nil, nil))
err = tk1.QueryToErr("show create user 'root'@'%'")
require.Error(t, err)
// "show create user" for current user doesn't check privileges.
tk1.MustQuery("show create user current_user").
Check(testkit.Rows("CREATE USER 'check_priv'@'127.0.0.1' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT"))
// Creating users with `IDENTIFIED WITH 'caching_sha2_password'`.
tk.MustExec("CREATE USER 'sha_test'@'%' IDENTIFIED WITH 'caching_sha2_password' BY 'temp_passwd'")
// Compare only the start of the output as the salt changes every time.
rows := tk.MustQuery("SHOW CREATE USER 'sha_test'@'%'")
require.Equal(t, "CREATE USER 'sha_test'@'%' IDENTIFIED WITH 'caching_sha2_password' AS '$A$005$", rows.Rows()[0][0].(string)[:78])
// Creating users with `IDENTIFIED WITH 'auth-socket'`
tk.MustExec("CREATE USER 'sock'@'%' IDENTIFIED WITH 'auth_socket'")
// Compare only the start of the output as the salt changes every time.
rows = tk.MustQuery("SHOW CREATE USER 'sock'@'%'")
require.Equal(t, "CREATE USER 'sock'@'%' IDENTIFIED WITH 'auth_socket' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT", rows.Rows()[0][0].(string))
tk.MustExec("CREATE USER 'sock2'@'%' IDENTIFIED WITH 'auth_socket' AS 'sock3'")
// Compare only the start of the output as the salt changes every time.
rows = tk.MustQuery("SHOW CREATE USER 'sock2'@'%'")
require.Equal(t, "CREATE USER 'sock2'@'%' IDENTIFIED WITH 'auth_socket' AS 'sock3' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT", rows.Rows()[0][0].(string))
// Test ACCOUNT LOCK/UNLOCK.
tk.MustExec("CREATE USER 'lockness'@'%' IDENTIFIED BY 'monster' ACCOUNT LOCK")
rows = tk.MustQuery("SHOW CREATE USER 'lockness'@'%'")
require.Equal(t, "CREATE USER 'lockness'@'%' IDENTIFIED WITH 'mysql_native_password' AS '*BC05309E7FE12AFD4EBB9FFE7E488A6320F12FF3' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT LOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT", rows.Rows()[0][0].(string))
// Test COMMENT and ATTRIBUTE.
tk.MustExec("CREATE USER commentUser COMMENT '1234'")
tk.MustQuery("SHOW CREATE USER commentUser").Check(testkit.Rows(`CREATE USER 'commentUser'@'%' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT ATTRIBUTE '{"comment": "1234"}'`))
tk.MustExec(`CREATE USER attributeUser attribute '{"name": "Tom", "age": 19}'`)
tk.MustQuery("SHOW CREATE USER attributeUser").Check(testkit.Rows(`CREATE USER 'attributeUser'@'%' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT ATTRIBUTE '{"age": 19, "name": "Tom"}'`))
// Creating users with IDENTIFIED WITH 'tidb_auth_token'.
tk.MustExec(`CREATE USER 'token_user'@'%' IDENTIFIED WITH 'tidb_auth_token' ATTRIBUTE '{"email": "user@pingcap.com"}'`)
tk.MustQuery("SHOW CREATE USER token_user").Check(testkit.Rows(`CREATE USER 'token_user'@'%' IDENTIFIED WITH 'tidb_auth_token' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT ATTRIBUTE '{"email": "user@pingcap.com"}'`))
tk.MustExec(`ALTER USER 'token_user'@'%' REQUIRE token_issuer 'issuer-ABC'`)
tk.MustQuery("SHOW CREATE USER token_user").Check(testkit.Rows(`CREATE USER 'token_user'@'%' IDENTIFIED WITH 'tidb_auth_token' AS '' REQUIRE NONE token_issuer issuer-ABC PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT ATTRIBUTE '{"email": "user@pingcap.com"}'`))
// create users with password reuse.
tk.MustExec(`CREATE USER 'reuse_user'@'%' IDENTIFIED WITH 'tidb_auth_token' PASSWORD HISTORY 5 PASSWORD REUSE INTERVAL 3 DAY`)
tk.MustQuery("SHOW CREATE USER reuse_user").Check(testkit.Rows(`CREATE USER 'reuse_user'@'%' IDENTIFIED WITH 'tidb_auth_token' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY 5 PASSWORD REUSE INTERVAL 3 DAY`))
tk.MustExec(`ALTER USER 'reuse_user'@'%' PASSWORD HISTORY 50`)
tk.MustQuery("SHOW CREATE USER reuse_user").Check(testkit.Rows(`CREATE USER 'reuse_user'@'%' IDENTIFIED WITH 'tidb_auth_token' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY 50 PASSWORD REUSE INTERVAL 3 DAY`))
tk.MustExec(`ALTER USER 'reuse_user'@'%' PASSWORD REUSE INTERVAL 31 DAY`)
tk.MustQuery("SHOW CREATE USER reuse_user").Check(testkit.Rows(`CREATE USER 'reuse_user'@'%' IDENTIFIED WITH 'tidb_auth_token' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY 50 PASSWORD REUSE INTERVAL 31 DAY`))
tk.MustExec("CREATE USER 'jeffrey1'@'localhost' PASSWORD EXPIRE")
tk.MustQuery("SHOW CREATE USER 'jeffrey1'@'localhost'").Check(testkit.Rows(`CREATE USER 'jeffrey1'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT`))
tk.MustExec("CREATE USER 'jeffrey2'@'localhost' PASSWORD EXPIRE DEFAULT")
tk.MustQuery("SHOW CREATE USER 'jeffrey2'@'localhost'").Check(testkit.Rows(`CREATE USER 'jeffrey2'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT`))
tk.MustExec("CREATE USER 'jeffrey3'@'localhost' PASSWORD EXPIRE NEVER")
tk.MustQuery("SHOW CREATE USER 'jeffrey3'@'localhost'").Check(testkit.Rows(`CREATE USER 'jeffrey3'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE NEVER ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT`))
tk.MustExec("CREATE USER 'jeffrey4'@'localhost' PASSWORD EXPIRE INTERVAL 180 DAY")
tk.MustQuery("SHOW CREATE USER 'jeffrey4'@'localhost'").Check(testkit.Rows(`CREATE USER 'jeffrey4'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE INTERVAL 180 DAY ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT`))
tk.MustExec("CREATE USER failed_login_user")
tk.MustQuery("SHOW CREATE USER failed_login_user").Check(testkit.Rows(`CREATE USER 'failed_login_user'@'%' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT`))
tk.MustExec("ALTER USER failed_login_user FAILED_LOGIN_ATTEMPTS 1 PASSWORD_LOCK_TIME 2")
tk.MustQuery("SHOW CREATE USER failed_login_user").Check(testkit.Rows(`CREATE USER 'failed_login_user'@'%' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT FAILED_LOGIN_ATTEMPTS 1 PASSWORD_LOCK_TIME 2`))
tk.MustExec("ALTER USER failed_login_user PASSWORD_LOCK_TIME UNBOUNDED")
tk.MustQuery("SHOW CREATE USER failed_login_user").Check(testkit.Rows(`CREATE USER 'failed_login_user'@'%' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT FAILED_LOGIN_ATTEMPTS 1 PASSWORD_LOCK_TIME UNBOUNDED`))
tk.MustExec("ALTER USER failed_login_user comment 'testcomment'")
tk.MustQuery("SHOW CREATE USER failed_login_user").Check(testkit.Rows(`CREATE USER 'failed_login_user'@'%' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT FAILED_LOGIN_ATTEMPTS 1 PASSWORD_LOCK_TIME UNBOUNDED ATTRIBUTE '{"comment": "testcomment"}'`))
tk.MustExec("ALTER USER failed_login_user ATTRIBUTE '{\"attribute\": \"testattribute\"}'")
tk.MustQuery("SHOW CREATE USER failed_login_user").Check(testkit.Rows(`CREATE USER 'failed_login_user'@'%' IDENTIFIED WITH 'mysql_native_password' AS '' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT FAILED_LOGIN_ATTEMPTS 1 PASSWORD_LOCK_TIME UNBOUNDED ATTRIBUTE '{"attribute": "testattribute", "comment": "testcomment"}'`))
}
func TestUnprivilegedShow(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("CREATE DATABASE testshow")
tk.MustExec("USE testshow")
tk.MustExec("CREATE TABLE t1 (a int)")
tk.MustExec("CREATE TABLE t2 (a int)")
tk.MustExec(`CREATE USER 'lowprivuser'`) // no grants
tk.Session().Auth(&auth.UserIdentity{Username: "lowprivuser", Hostname: "192.168.0.1", AuthUsername: "lowprivuser", AuthHostname: "%"}, nil, []byte("012345678901234567890"), nil)
rs, err := tk.Exec("SHOW TABLE STATUS FROM testshow")
require.NoError(t, err)
require.NotNil(t, rs)
tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "192.168.0.1", AuthUsername: "root", AuthHostname: "%"}, nil, []byte("012345678901234567890"), nil)
tk.MustExec("GRANT ALL ON testshow.t1 TO 'lowprivuser'")
tk.Session().Auth(&auth.UserIdentity{Username: "lowprivuser", Hostname: "192.168.0.1", AuthUsername: "lowprivuser", AuthHostname: "%"}, nil, []byte("012345678901234567890"), nil)
is := dom.InfoSchema()
tblInfo, err := is.TableByName(context.Background(), ast.NewCIStr("testshow"), ast.NewCIStr("t1"))
require.NoError(t, err)
createTime := model.TSConvert2Time(tblInfo.Meta().UpdateTS).Format(time.DateTime)
tk.MustQuery("show table status from testshow").Check(testkit.Rows(fmt.Sprintf("t1 InnoDB 10 Compact 0 0 0 0 0 0 <nil> %s <nil> <nil> utf8mb4_bin ", createTime)))
}
func TestCollation(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
rs, err := tk.Exec("show collation;")
require.NoError(t, err)
fields := rs.Fields()
require.Equal(t, mysql.TypeVarchar, fields[0].Column.GetType())
require.Equal(t, mysql.TypeVarchar, fields[1].Column.GetType())
require.Equal(t, mysql.TypeLonglong, fields[2].Column.GetType())
require.Equal(t, mysql.TypeVarchar, fields[3].Column.GetType())
require.Equal(t, mysql.TypeVarchar, fields[4].Column.GetType())
require.Equal(t, mysql.TypeLonglong, fields[5].Column.GetType())
}
func TestShowTableStatus(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec(`drop table if exists t;`)
tk.MustExec(`create table t(a bigint);`)
tk.Session().Auth(&auth.UserIdentity{Username: "root", Hostname: "192.168.0.1", AuthUsername: "root", AuthHostname: "%"}, nil, []byte("012345678901234567890"), nil)
// It's not easy to test the result contents because every time the test runs, "Create_time" changed.
tk.MustExec("show table status;")
rs, err := tk.Exec("show table status;")
require.NoError(t, err)
require.NotNil(t, rs)
rows, err := session.GetRows4Test(context.Background(), tk.Session(), rs)
require.NoError(t, err)
err = rs.Close()
require.NoError(t, err)
require.Equal(t, 1, len(rows))
for i := range rows {
row := rows[i]
require.Equal(t, "t", row.GetString(0))
require.Equal(t, "InnoDB", row.GetString(1))
require.Equal(t, int64(10), row.GetInt64(2))
require.Equal(t, "Compact", row.GetString(3))
}
tk.MustExec(`drop table if exists tp;`)
tk.MustExec(`create table tp (a int)
partition by range(a)
( partition p0 values less than (10),
partition p1 values less than (20),
partition p2 values less than (maxvalue)
);`)
rs, err = tk.Exec("show table status from test like 'tp';")
require.NoError(t, err)
rows, err = session.GetRows4Test(context.Background(), tk.Session(), rs)
require.NoError(t, err)
require.Equal(t, "partitioned", rows[0].GetString(16))
tk.MustExec("create database UPPER_CASE")
tk.MustExec("use UPPER_CASE")
tk.MustExec("create table t (i int)")
rs, err = tk.Exec("show table status")
require.NoError(t, err)
require.NotNil(t, rs)
rows, err = session.GetRows4Test(context.Background(), tk.Session(), rs)
require.NoError(t, err)
err = rs.Close()
require.NoError(t, err)
require.Equal(t, 1, len(rows))
tk.MustExec("use upper_case")
rs, err = tk.Exec("show table status")
require.NoError(t, err)
require.NotNil(t, rs)
rows, err = session.GetRows4Test(context.Background(), tk.Session(), rs)
require.NoError(t, err)
err = rs.Close()
require.NoError(t, err)
require.Equal(t, 1, len(rows))
tk.MustExec("drop database UPPER_CASE")
}
func TestAutoRandomBase(t *testing.T) {
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/meta/autoid/mockAutoIDChange", `return(true)`))
defer func() {
require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/meta/autoid/mockAutoIDChange"))
}()
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("set @@allow_auto_random_explicit_insert = true")
tk.MustExec("use test")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t (a bigint primary key auto_random(5), b int unique key auto_increment) auto_random_base = 100, auto_increment = 100")
tk.MustQuery("show create table t").Check(testkit.RowsWithSep("|",
""+
"t CREATE TABLE `t` (\n"+
" `a` bigint(20) NOT NULL /*T![auto_rand] AUTO_RANDOM(5) */,\n"+
" `b` int(11) NOT NULL AUTO_INCREMENT,\n"+
" PRIMARY KEY (`a`) /*T![clustered_index] CLUSTERED */,\n"+
" UNIQUE KEY `b` (`b`)\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin AUTO_INCREMENT=100 /*T![auto_rand_base] AUTO_RANDOM_BASE=100 */",
))
tk.MustExec("insert into t(`a`) values (1000)")
tk.MustQuery("show create table t").Check(testkit.RowsWithSep("|",
""+
"t CREATE TABLE `t` (\n"+
" `a` bigint(20) NOT NULL /*T![auto_rand] AUTO_RANDOM(5) */,\n"+
" `b` int(11) NOT NULL AUTO_INCREMENT,\n"+
" PRIMARY KEY (`a`) /*T![clustered_index] CLUSTERED */,\n"+
" UNIQUE KEY `b` (`b`)\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin AUTO_INCREMENT=5100 /*T![auto_rand_base] AUTO_RANDOM_BASE=6001 */",
))
}
func TestAutoRandomWithLargeSignedShowTableRegions(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("create database if not exists auto_random_db;")
defer tk.MustExec("drop database if exists auto_random_db;")
tk.MustExec("use auto_random_db;")
tk.MustExec("drop table if exists t;")
tk.MustExec("create table t (a bigint unsigned auto_random primary key clustered);")
tk.MustExec("set @@session.tidb_scatter_region='table';")
// 18446744073709541615 is MaxUint64 - 10000.
// 18446744073709551615 is the MaxUint64.
tk.MustQuery("split table t between (18446744073709541615) and (18446744073709551615) regions 2;").
Check(testkit.Rows("1 1"))
startKey := tk.MustQuery("show table t regions;").Rows()[1][1].(string)
idx := strings.Index(startKey, "_r_")
require.False(t, idx == -1)
require.Falsef(t, startKey[idx+3] == '-', "actual key: %s", startKey)
}
func TestShowEscape(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("drop table if exists `t``abl\"e`")
tk.MustExec("create table `t``abl\"e`(`c``olum\"n` int(11) primary key)")
tk.MustQuery("show create table `t``abl\"e`").Check(testkit.RowsWithSep("|",
""+
"t`abl\"e CREATE TABLE `t``abl\"e` (\n"+
" `c``olum\"n` int(11) NOT NULL,\n"+
" PRIMARY KEY (`c``olum\"n`) /*T![clustered_index] CLUSTERED */\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin",
))
// ANSI_QUOTES will change the SHOW output
tk.MustExec("set @old_sql_mode=@@sql_mode")
tk.MustExec("set sql_mode=ansi_quotes")
tk.MustQuery("show create table \"t`abl\"\"e\"").Check(testkit.RowsWithSep("|",
""+
"t`abl\"e CREATE TABLE \"t`abl\"\"e\" (\n"+
" \"c`olum\"\"n\" int(11) NOT NULL,\n"+
" PRIMARY KEY (\"c`olum\"\"n\") /*T![clustered_index] CLUSTERED */\n"+
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin",
))
tk.MustExec("rename table \"t`abl\"\"e\" to t")
tk.MustExec("set sql_mode=@old_sql_mode")
}
func TestShowClusterConfig(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
var confItems [][]types.Datum
var confErr error
var confFunc executor.TestShowClusterConfigFunc = func() ([][]types.Datum, error) {
return confItems, confErr
}
tk.Session().SetValue(executor.TestShowClusterConfigKey, confFunc)
strs2Items := func(strs ...string) []types.Datum {
items := make([]types.Datum, 0, len(strs))
for _, s := range strs {
items = append(items, types.NewStringDatum(s))
}
return items
}
confItems = append(confItems, strs2Items("tidb", "127.0.0.1:1111", "log.level", "info"))
confItems = append(confItems, strs2Items("pd", "127.0.0.1:2222", "log.level", "info"))
confItems = append(confItems, strs2Items("tikv", "127.0.0.1:3333", "log.level", "info"))
tk.MustQuery("show config").Check(testkit.Rows(
"tidb 127.0.0.1:1111 log.level info",
"pd 127.0.0.1:2222 log.level info",
"tikv 127.0.0.1:3333 log.level info"))
tk.MustQuery("show config where type='tidb'").Check(testkit.Rows(
"tidb 127.0.0.1:1111 log.level info"))
tk.MustQuery("show config where type like '%ti%'").Check(testkit.Rows(
"tidb 127.0.0.1:1111 log.level info",
"tikv 127.0.0.1:3333 log.level info"))
confErr = fmt.Errorf("something unknown error")
require.EqualError(t, tk.QueryToErr("show config"), confErr.Error())
}
func TestShowConfig(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
rows := tk.MustQuery("show variables like '%config%'").Rows()
require.Equal(t, 1, len(rows))
configValue := rows[0][1].(string)
// Test copr-cache
coprCacheVal :=
"\t\t\"copr-cache\": {\n" +
"\t\t\t\"capacity-mb\": 1000\n" +
"\t\t},\n"
require.Equal(t, true, strings.Contains(configValue, coprCacheVal))
// Test GlobalKill
globalKillVal := "\"enable-global-kill\": true"
require.True(t, strings.Contains(configValue, globalKillVal))
}
func TestShowCreateTableWithIntegerDisplayLengthWarnings(t *testing.T) {
parsertypes.TiDBStrictIntegerDisplayWidth = true
defer func() {
parsertypes.TiDBStrictIntegerDisplayWidth = false
}()
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int(2), b varchar(2))")
tk.MustQuery("show warnings").Check(testkit.Rows(
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" +
" `a` int DEFAULT NULL,\n" +
" `b` varchar(2) DEFAULT NULL\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"))
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a bigint(10), b bigint)")
tk.MustQuery("show warnings").Check(testkit.Rows(
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" +
" `a` bigint DEFAULT NULL,\n" +
" `b` bigint DEFAULT NULL\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"))
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a tinyint(5), b tinyint(2), c tinyint)")
// Here it will occur 2 warnings.
tk.MustQuery("show warnings").Check(testkit.Rows(
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" +
" `a` tinyint DEFAULT NULL,\n" +
" `b` tinyint DEFAULT NULL,\n" +
" `c` tinyint DEFAULT NULL\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"))
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a smallint(5), b smallint)")
tk.MustQuery("show warnings").Check(testkit.Rows(
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" +
" `a` smallint DEFAULT NULL,\n" +
" `b` smallint DEFAULT NULL\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"))
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a mediumint(5), b mediumint)")
tk.MustQuery("show warnings").Check(testkit.Rows(
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" +
" `a` mediumint DEFAULT NULL,\n" +
" `b` mediumint DEFAULT NULL\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"))
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int1(1), b int2(2), c int3, d int4, e int8)")
tk.MustQuery("show warnings").Check(testkit.Rows(
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" +
" `a` tinyint(1) DEFAULT NULL,\n" +
" `b` smallint DEFAULT NULL,\n" +
" `c` mediumint DEFAULT NULL,\n" +
" `d` int DEFAULT NULL,\n" +
" `e` bigint DEFAULT NULL\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"))
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(id int primary key, c1 bool, c2 int(10) zerofill)")
tk.MustQuery("show warnings").Check(testkit.Rows(
"Warning 1681 Integer display width is deprecated and will be removed in a future release.",
"Warning 1681 The ZEROFILL attribute is deprecated and will be removed in a future release. Use the LPAD function to zero-pad numbers, or store the formatted numbers in a CHAR column.",
))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" +
" `id` int NOT NULL,\n" +
" `c1` tinyint(1) DEFAULT NULL,\n" +
" `c2` int(10) unsigned zerofill DEFAULT NULL,\n" +
" PRIMARY KEY (`id`) /*T![clustered_index] CLUSTERED */\n" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"))
}
func TestShowVar(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
var showSQL string
sessionOnlyVars := make([]string, 0, len(variable.GetSysVars()))
sessionVars := make([]string, 0, len(variable.GetSysVars()))
globalVars := make([]string, 0, len(variable.GetSysVars()))
for _, v := range variable.GetSysVars() {
if v.Scope == vardef.ScopeSession {
sessionOnlyVars = append(sessionOnlyVars, v.Name)
} else if !v.HasSessionScope() && !v.InternalSessionVariable {
sessionVars = append(sessionVars, v.Name)
} else {
globalVars = append(globalVars, v.Name)
}
}
// When ScopeSession only. `show global variables` must return empty.
sessionOnlyVarsStr := strings.Join(sessionOnlyVars, "','")
showSQL = "show variables where variable_name in('" + sessionOnlyVarsStr + "')"
res := tk.MustQuery(showSQL)
require.Len(t, res.Rows(), len(sessionOnlyVars))
showSQL = "show global variables where variable_name in('" + sessionOnlyVarsStr + "')"
res = tk.MustQuery(showSQL)
require.Len(t, res.Rows(), 0)
sessionVarsStr := strings.Join(sessionVars, "','")
showSQL = "show variables where variable_name in('" + sessionVarsStr + "')"
res = tk.MustQuery(showSQL)
require.Len(t, res.Rows(), len(sessionVars))
globalVarsStr := strings.Join(globalVars, "','")
showSQL = "show global variables where variable_name in('" + globalVarsStr + "')"
res = tk.MustQuery(showSQL)
require.Len(t, res.Rows(), len(globalVars))
// Test versions' related variables
res = tk.MustQuery("show variables like 'version%'")
for _, row := range res.Rows() {
line := fmt.Sprint(row)
if strings.HasPrefix(line, "version ") {
require.Equal(t, mysql.ServerVersion, line[len("version "):])
} else if strings.HasPrefix(line, "version_comment ") {
require.Equal(t, variable.GetSysVar(vardef.VersionComment), line[len("version_comment "):])
}
}
// Test case insensitive case for show session variables
tk.MustExec("SET @@SQL_MODE='NO_BACKSLASH_ESCAPES'")
tk.MustQuery("SHOW SESSION VARIABLES like 'sql_mode'").Check(
testkit.RowsWithSep("|", "sql_mode|NO_BACKSLASH_ESCAPES"))
tk.MustQuery("SHOW SESSION VARIABLES like 'SQL_MODE'").Check(
testkit.RowsWithSep("|", "sql_mode|NO_BACKSLASH_ESCAPES"))
}
func TestShowCreatePlacementPolicy(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("CREATE PLACEMENT POLICY xyz PRIMARY_REGION='us-east-1' REGIONS='us-east-1,us-east-2' FOLLOWERS=4")
tk.MustQuery("SHOW CREATE PLACEMENT POLICY xyz").Check(testkit.Rows("xyz CREATE PLACEMENT POLICY `xyz` PRIMARY_REGION=\"us-east-1\" REGIONS=\"us-east-1,us-east-2\" FOLLOWERS=4"))
tk.MustExec("CREATE PLACEMENT POLICY xyz2 FOLLOWERS=1 SURVIVAL_PREFERENCES=\"[zone, dc, host]\"")
tk.MustQuery("SHOW CREATE PLACEMENT POLICY xyz2").Check(testkit.Rows("xyz2 CREATE PLACEMENT POLICY `xyz2` FOLLOWERS=1 SURVIVAL_PREFERENCES=\"[zone, dc, host]\""))
tk.MustExec("DROP PLACEMENT POLICY xyz2")
// non existent policy
err := tk.QueryToErr("SHOW CREATE PLACEMENT POLICY doesnotexist")
require.Equal(t, infoschema.ErrPlacementPolicyNotExists.GenWithStackByArgs("doesnotexist").Error(), err.Error())
// alter and try second example
tk.MustExec("ALTER PLACEMENT POLICY xyz FOLLOWERS=4")
tk.MustQuery("SHOW CREATE PLACEMENT POLICY xyz").Check(testkit.Rows("xyz CREATE PLACEMENT POLICY `xyz` FOLLOWERS=4"))
tk.MustExec("ALTER PLACEMENT POLICY xyz FOLLOWERS=4 SURVIVAL_PREFERENCES=\"[zone, dc, host]\"")
tk.MustQuery("SHOW CREATE PLACEMENT POLICY xyz").Check(testkit.Rows("xyz CREATE PLACEMENT POLICY `xyz` FOLLOWERS=4 SURVIVAL_PREFERENCES=\"[zone, dc, host]\""))
tk.MustExec("DROP PLACEMENT POLICY xyz")
}
func TestShowLimitReturnRow(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t1(a int, b int, c int, d int, index idx_a(a), index idx_b(b))")
tk.MustExec("create table t2(a int, b int, c int, d int, index idx_a(a), index idx_b(b))")
tk.MustExec("INSERT INTO t1 VALUES(1,2,3,4)")
tk.MustExec("INSERT INTO t1 VALUES(4,3,1,2)")
tk.MustExec("SET @@sql_select_limit=1")
tk.MustExec("PREPARE stmt FROM \"SHOW COLUMNS FROM t1\"")
result := tk.MustQuery("EXECUTE stmt")
rows := result.Rows()
require.Equal(t, len(rows), 1)
tk.MustExec("PREPARE stmt FROM \"select * FROM t1\"")
result = tk.MustQuery("EXECUTE stmt")
rows = result.Rows()
require.Equal(t, len(rows), 1)
// Test case for other scenarios.
result = tk.MustQuery("SHOW ENGINES")
rows = result.Rows()
require.Equal(t, len(rows), 1)
tk.MustQuery("SHOW DATABASES like '%SCHEMA'").Check(testkit.RowsWithSep("|", "INFORMATION_SCHEMA"))
tk.MustQuery("SHOW TABLES where tables_in_test='t2'").Check(testkit.RowsWithSep("|", "t2"))
result = tk.MustQuery("SHOW TABLE STATUS where name='t2'")
rows = result.Rows()
require.Equal(t, rows[0][0], "t2")
tk.MustQuery("SHOW COLUMNS FROM t1 where Field ='d'").Check(testkit.RowsWithSep("|", ""+
"d int(11) YES <nil> "))
tk.MustQuery("Show Charset where charset='gbk'").Check(testkit.RowsWithSep("|", ""+
"gbk Chinese Internal Code Specification gbk_chinese_ci 2"))
tk.MustQuery("Show Variables where variable_name ='max_allowed_packet'").Check(testkit.RowsWithSep("|", ""+
"max_allowed_packet 67108864"))
result = tk.MustQuery("SHOW status where variable_name ='server_id'")
rows = result.Rows()
require.Equal(t, rows[0][0], "server_id")
tk.MustQuery("Show Collation where collation='utf8_bin'").Check(testkit.RowsWithSep("|", ""+
"utf8_bin utf8 83 Yes Yes 1 PAD SPACE"))
result = tk.MustQuery("show index from t1 where key_name='idx_b'")
rows = result.Rows()
require.Equal(t, rows[0][2], "idx_b")
}