You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

1343 lines
45 KiB

// Copyright 2015 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 server
import (
"database/sql"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"math/rand"
"net"
"net/http"
"net/url"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
"testing"
"time"
"github.com/go-sql-driver/mysql"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
"github.com/pingcap/log"
tmysql "github.com/pingcap/parser/mysql"
"github.com/pingcap/tidb/errno"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/util/logutil"
"github.com/pingcap/tidb/util/versioninfo"
"go.uber.org/zap"
)
var (
regression = true
)
func TestT(t *testing.T) {
CustomVerboseFlag = true
logLevel := os.Getenv("log_level")
logutil.InitZapLogger(logutil.NewLogConfig(logLevel, logutil.DefaultLogFormat, "", logutil.EmptyFileLogConfig, false))
TestingT(t)
}
type configOverrider func(*mysql.Config)
// testServerClient config server connect parameters and provider several
// method to communicate with server and run tests
type testServerClient struct {
port uint
statusPort uint
statusScheme string
}
// newTestServerClient return a testServerClient with unique address
func newTestServerClient() *testServerClient {
return &testServerClient{
port: 0,
statusPort: 0,
statusScheme: "http",
}
}
func getPortFromTCPAddr(addr net.Addr) uint {
return uint(addr.(*net.TCPAddr).Port)
}
// statusURL return the full URL of a status path
func (cli *testServerClient) statusURL(path string) string {
return fmt.Sprintf("%s://localhost:%d%s", cli.statusScheme, cli.statusPort, path)
}
// fetchStatus exec http.Get to server status port
func (cli *testServerClient) fetchStatus(path string) (*http.Response, error) {
return http.Get(cli.statusURL(path))
}
// postStatus exec http.Port to server status port
func (cli *testServerClient) postStatus(path, contentType string, body io.Reader) (*http.Response, error) {
return http.Post(cli.statusURL(path), contentType, body)
}
// formStatus post a form request to server status address
func (cli *testServerClient) formStatus(path string, data url.Values) (*http.Response, error) {
return http.PostForm(cli.statusURL(path), data)
}
// getDSN generates a DSN string for MySQL connection.
func (cli *testServerClient) getDSN(overriders ...configOverrider) string {
config := mysql.NewConfig()
config.User = "root"
config.Net = "tcp"
config.Addr = fmt.Sprintf("127.0.0.1:%d", cli.port)
config.DBName = "test"
for _, overrider := range overriders {
if overrider != nil {
overrider(config)
}
}
return config.FormatDSN()
}
// runTests runs tests using the default database `test`.
func (cli *testServerClient) runTests(c *C, overrider configOverrider, tests ...func(dbt *DBTest)) {
db, err := sql.Open("mysql", cli.getDSN(overrider))
c.Assert(err, IsNil, Commentf("Error connecting"))
defer db.Close()
db.Exec("DROP TABLE IF EXISTS test")
dbt := &DBTest{c, db}
for _, test := range tests {
test(dbt)
dbt.db.Exec("DROP TABLE IF EXISTS test")
}
}
// runTestsOnNewDB runs tests using a specified database which will be created before the test and destroyed after the test.
func (cli *testServerClient) runTestsOnNewDB(c *C, overrider configOverrider, dbName string, tests ...func(dbt *DBTest)) {
dsn := cli.getDSN(overrider, func(config *mysql.Config) {
config.DBName = ""
})
db, err := sql.Open("mysql", dsn)
c.Assert(err, IsNil, Commentf("Error connecting"))
defer db.Close()
_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`;", dbName))
if err != nil {
fmt.Println(err)
}
c.Assert(err, IsNil, Commentf("Error drop database %s: %s", dbName, err))
_, err = db.Exec(fmt.Sprintf("CREATE DATABASE `%s`;", dbName))
c.Assert(err, IsNil, Commentf("Error create database %s: %s", dbName, err))
defer func() {
_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS `%s`;", dbName))
c.Assert(err, IsNil, Commentf("Error drop database %s: %s", dbName, err))
}()
_, err = db.Exec(fmt.Sprintf("USE `%s`;", dbName))
c.Assert(err, IsNil, Commentf("Error use database %s: %s", dbName, err))
dbt := &DBTest{c, db}
for _, test := range tests {
test(dbt)
dbt.db.Exec("DROP TABLE IF EXISTS test")
}
}
type DBTest struct {
*C
db *sql.DB
}
func (dbt *DBTest) fail(method, query string, err error) {
if len(query) > 300 {
query = "[query too large to print]"
}
dbt.Fatalf("Error on %s %s: %s", method, query, err.Error())
}
func (dbt *DBTest) mustPrepare(query string) *sql.Stmt {
stmt, err := dbt.db.Prepare(query)
dbt.Assert(err, IsNil, Commentf("Prepare %s", query))
return stmt
}
func (dbt *DBTest) mustExecPrepared(stmt *sql.Stmt, args ...interface{}) sql.Result {
res, err := stmt.Exec(args...)
dbt.Assert(err, IsNil, Commentf("Execute prepared with args: %s", args))
return res
}
func (dbt *DBTest) mustQueryPrepared(stmt *sql.Stmt, args ...interface{}) *sql.Rows {
rows, err := stmt.Query(args...)
dbt.Assert(err, IsNil, Commentf("Query prepared with args: %s", args))
return rows
}
func (dbt *DBTest) mustExec(query string, args ...interface{}) (res sql.Result) {
res, err := dbt.db.Exec(query, args...)
dbt.Assert(err, IsNil, Commentf("Exec %s", query))
return res
}
func (dbt *DBTest) mustQuery(query string, args ...interface{}) (rows *sql.Rows) {
rows, err := dbt.db.Query(query, args...)
dbt.Assert(err, IsNil, Commentf("Query %s", query))
return rows
}
func (dbt *DBTest) mustQueryRows(query string, args ...interface{}) {
rows := dbt.mustQuery(query, args...)
dbt.Assert(rows.Next(), IsTrue)
rows.Close()
}
func (cli *testServerClient) runTestRegression(c *C, overrider configOverrider, dbName string) {
cli.runTestsOnNewDB(c, overrider, dbName, func(dbt *DBTest) {
// Show the user
dbt.mustExec("select user()")
// Create Table
dbt.mustExec("CREATE TABLE test (val TINYINT)")
// Test for unexpected data
var out bool
rows := dbt.mustQuery("SELECT * FROM test")
dbt.Assert(rows.Next(), IsFalse, Commentf("unexpected data in empty table"))
// Create Data
res := dbt.mustExec("INSERT INTO test VALUES (1)")
// res := dbt.mustExec("INSERT INTO test VALUES (?)", 1)
count, err := res.RowsAffected()
dbt.Assert(err, IsNil)
dbt.Check(count, Equals, int64(1))
id, err := res.LastInsertId()
dbt.Assert(err, IsNil)
dbt.Check(id, Equals, int64(0))
// Read
rows = dbt.mustQuery("SELECT val FROM test")
if rows.Next() {
rows.Scan(&out)
dbt.Check(out, IsTrue)
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
} else {
dbt.Error("no data")
}
rows.Close()
// Update
res = dbt.mustExec("UPDATE test SET val = 0 WHERE val = ?", 1)
count, err = res.RowsAffected()
dbt.Assert(err, IsNil)
dbt.Check(count, Equals, int64(1))
// Check Update
rows = dbt.mustQuery("SELECT val FROM test")
if rows.Next() {
rows.Scan(&out)
dbt.Check(out, IsFalse)
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
} else {
dbt.Error("no data")
}
rows.Close()
// Delete
res = dbt.mustExec("DELETE FROM test WHERE val = 0")
// res = dbt.mustExec("DELETE FROM test WHERE val = ?", 0)
count, err = res.RowsAffected()
dbt.Assert(err, IsNil)
dbt.Check(count, Equals, int64(1))
// Check for unexpected rows
res = dbt.mustExec("DELETE FROM test")
count, err = res.RowsAffected()
dbt.Assert(err, IsNil)
dbt.Check(count, Equals, int64(0))
dbt.mustQueryRows("SELECT 1")
var b = make([]byte, 0)
if err := dbt.db.QueryRow("SELECT ?", b).Scan(&b); err != nil {
dbt.Fatal(err)
}
if b == nil {
dbt.Error("nil echo from non-nil input")
}
})
}
func (cli *testServerClient) runTestPrepareResultFieldType(t *C) {
var param int64 = 83
cli.runTests(t, nil, func(dbt *DBTest) {
stmt, err := dbt.db.Prepare(`SELECT ?`)
if err != nil {
dbt.Fatal(err)
}
defer stmt.Close()
row := stmt.QueryRow(param)
var result int64
err = row.Scan(&result)
if err != nil {
dbt.Fatal(err)
}
switch {
case result != param:
dbt.Fatal("Unexpected result value")
}
})
}
func (cli *testServerClient) runTestSpecialType(t *C) {
cli.runTestsOnNewDB(t, nil, "SpecialType", func(dbt *DBTest) {
dbt.mustExec("create table test (a decimal(10, 5), b datetime, c time, d bit(8))")
dbt.mustExec("insert test values (1.4, '2012-12-21 12:12:12', '4:23:34', b'1000')")
rows := dbt.mustQuery("select * from test where a > ?", 0)
t.Assert(rows.Next(), IsTrue)
var outA float64
var outB, outC string
var outD []byte
err := rows.Scan(&outA, &outB, &outC, &outD)
t.Assert(err, IsNil)
t.Assert(outA, Equals, 1.4)
t.Assert(outB, Equals, "2012-12-21 12:12:12")
t.Assert(outC, Equals, "04:23:34")
t.Assert(outD, BytesEquals, []byte{8})
})
}
func (cli *testServerClient) runTestClientWithCollation(t *C) {
cli.runTests(t, func(config *mysql.Config) {
config.Collation = "utf8mb4_general_ci"
}, func(dbt *DBTest) {
var name, charset, collation string
// check session variable collation_connection
rows := dbt.mustQuery("show variables like 'collation_connection'")
t.Assert(rows.Next(), IsTrue)
err := rows.Scan(&name, &collation)
t.Assert(err, IsNil)
t.Assert(collation, Equals, "utf8mb4_general_ci")
// check session variable character_set_client
rows = dbt.mustQuery("show variables like 'character_set_client'")
t.Assert(rows.Next(), IsTrue)
err = rows.Scan(&name, &charset)
t.Assert(err, IsNil)
t.Assert(charset, Equals, "utf8mb4")
// check session variable character_set_results
rows = dbt.mustQuery("show variables like 'character_set_results'")
t.Assert(rows.Next(), IsTrue)
err = rows.Scan(&name, &charset)
t.Assert(err, IsNil)
t.Assert(charset, Equals, "utf8mb4")
// check session variable character_set_connection
rows = dbt.mustQuery("show variables like 'character_set_connection'")
t.Assert(rows.Next(), IsTrue)
err = rows.Scan(&name, &charset)
t.Assert(err, IsNil)
t.Assert(charset, Equals, "utf8mb4")
})
}
func (cli *testServerClient) runTestPreparedString(t *C) {
cli.runTestsOnNewDB(t, nil, "PreparedString", func(dbt *DBTest) {
dbt.mustExec("create table test (a char(10), b char(10))")
dbt.mustExec("insert test values (?, ?)", "abcdeabcde", "abcde")
rows := dbt.mustQuery("select * from test where 1 = ?", 1)
t.Assert(rows.Next(), IsTrue)
var outA, outB string
err := rows.Scan(&outA, &outB)
t.Assert(err, IsNil)
t.Assert(outA, Equals, "abcdeabcde")
t.Assert(outB, Equals, "abcde")
})
}
// runTestPreparedTimestamp does not really cover binary timestamp format, because MySQL driver in golang
// does not use this format. MySQL driver in golang will convert the timestamp to a string.
// This case guarantees it could work.
func (cli *testServerClient) runTestPreparedTimestamp(t *C) {
cli.runTestsOnNewDB(t, nil, "prepared_timestamp", func(dbt *DBTest) {
dbt.mustExec("create table test (a timestamp, b time)")
dbt.mustExec("set time_zone='+00:00'")
insertStmt := dbt.mustPrepare("insert test values (?, ?)")
defer insertStmt.Close()
vts := time.Unix(1, 1)
vt := time.Unix(-1, 1)
dbt.mustExecPrepared(insertStmt, vts, vt)
selectStmt := dbt.mustPrepare("select * from test where a = ? and b = ?")
defer selectStmt.Close()
rows := dbt.mustQueryPrepared(selectStmt, vts, vt)
t.Assert(rows.Next(), IsTrue)
var outA, outB string
err := rows.Scan(&outA, &outB)
t.Assert(err, IsNil)
t.Assert(outA, Equals, "1970-01-01 00:00:01")
t.Assert(outB, Equals, "23:59:59")
})
}
func (cli *testServerClient) runTestLoadDataWithSelectIntoOutfile(c *C, server *Server) {
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
config.Params = map[string]string{"sql_mode": "''"}
}, "SelectIntoOutfile", func(dbt *DBTest) {
dbt.mustExec("create table t (i int, r real, d decimal(10, 5), s varchar(100), dt datetime, ts timestamp, j json)")
dbt.mustExec("insert into t values (1, 1.1, 0.1, 'a', '2000-01-01', '01:01:01', '[1]')")
dbt.mustExec("insert into t values (2, 2.2, 0.2, 'b', '2000-02-02', '02:02:02', '[1,2]')")
dbt.mustExec("insert into t values (null, null, null, null, '2000-03-03', '03:03:03', '[1,2,3]')")
dbt.mustExec("insert into t values (4, 4.4, 0.4, 'd', null, null, null)")
outfile := filepath.Join(os.TempDir(), fmt.Sprintf("select_into_outfile_%v_%d.csv", time.Now().UnixNano(), rand.Int()))
// On windows use fmt.Sprintf("%q") to escape \ for SQL,
// outfile may be 'C:\Users\genius\AppData\Local\Temp\select_into_outfile_1582732846769492000_8074605509026837941.csv'
// Without quote, after SQL escape it would become:
// 'C:UsersgeniusAppDataLocalTempselect_into_outfile_1582732846769492000_8074605509026837941.csv'
dbt.mustExec(fmt.Sprintf("select * from t into outfile %q", outfile))
defer func() {
c.Assert(os.Remove(outfile), IsNil)
}()
dbt.mustExec("create table t1 (i int, r real, d decimal(10, 5), s varchar(100), dt datetime, ts timestamp, j json)")
dbt.mustExec(fmt.Sprintf("load data local infile %q into table t1", outfile))
fetchResults := func(table string) [][]interface{} {
var res [][]interface{}
row := dbt.mustQuery("select * from " + table + " order by i")
for row.Next() {
r := make([]interface{}, 7)
c.Assert(row.Scan(&r[0], &r[1], &r[2], &r[3], &r[4], &r[5], &r[6]), IsNil)
res = append(res, r)
}
c.Assert(row.Close(), IsNil)
return res
}
res := fetchResults("t")
res1 := fetchResults("t1")
c.Assert(len(res), Equals, len(res1))
for i := range res {
for j := range res[i] {
// using Sprintf to avoid some uncomparable types
c.Assert(fmt.Sprintf("%v", res[i][j]), Equals, fmt.Sprintf("%v", res1[i][j]))
}
}
})
}
func (cli *testServerClient) runTestLoadDataForSlowLog(c *C, server *Server) {
path := "/tmp/load_data_test.csv"
fp, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
c.Assert(err, IsNil)
c.Assert(fp, NotNil)
defer func() {
err = fp.Close()
c.Assert(err, IsNil)
err = os.Remove(path)
c.Assert(err, IsNil)
}()
_, err = fp.WriteString(
"1 1\n" +
"2 2\n" +
"3 3\n" +
"4 4\n" +
"5 5\n")
c.Assert(err, IsNil)
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
config.Params = map[string]string{"sql_mode": "''"}
}, "load_data_slow_query", func(dbt *DBTest) {
dbt.mustExec("create table t_slow (a int key, b int)")
defer func() {
dbt.mustExec("set tidb_slow_log_threshold=300;")
dbt.mustExec("set @@global.tidb_enable_stmt_summary=0")
}()
dbt.mustExec("set tidb_slow_log_threshold=0;")
dbt.mustExec("set @@global.tidb_enable_stmt_summary=1")
query := fmt.Sprintf("load data local infile %q into table t_slow", path)
dbt.mustExec(query)
dbt.mustExec("insert ignore into t_slow values (1,1);")
checkPlan := func(rows *sql.Rows, expectPlan string) {
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
var plan sql.NullString
err = rows.Scan(&plan)
dbt.Check(err, IsNil)
planStr := strings.ReplaceAll(plan.String, "\t", " ")
planStr = strings.ReplaceAll(planStr, "\n", " ")
c.Assert(planStr, Matches, expectPlan)
}
// Test for record slow log for load data statement.
rows := dbt.mustQuery(fmt.Sprintf("select plan from information_schema.slow_query where query like 'load data local infile %% into table t_slow;' order by time desc limit 1"))
expectedPlan := ".*LoadData.* time.* loops.* prepare.* check_insert.* mem_insert_time:.* prefetch.* rpc.* commit_txn.*"
checkPlan(rows, expectedPlan)
// Test for record statements_summary for load data statement.
rows = dbt.mustQuery(fmt.Sprintf("select plan from information_schema.STATEMENTS_SUMMARY where QUERY_SAMPLE_TEXT like 'load data local infile %%' limit 1"))
checkPlan(rows, expectedPlan)
// Test log normal statement after executing load date.
rows = dbt.mustQuery(fmt.Sprintf("select plan from information_schema.slow_query where query = 'insert ignore into t_slow values (1,1);' order by time desc limit 1"))
expectedPlan = ".*Insert.* time.* loops.* prepare.* check_insert.* mem_insert_time:.* prefetch.* rpc.*"
checkPlan(rows, expectedPlan)
})
}
func (cli *testServerClient) runTestLoadData(c *C, server *Server) {
// create a file and write data.
path := "/tmp/load_data_test.csv"
fp, err := os.Create(path)
c.Assert(err, IsNil)
c.Assert(fp, NotNil)
defer func() {
err = fp.Close()
c.Assert(err, IsNil)
err = os.Remove(path)
c.Assert(err, IsNil)
}()
_, err = fp.WriteString("\n" +
"xxx row1_col1 - row1_col2 1abc\n" +
"xxx row2_col1 - row2_col2 \n" +
"xxxy row3_col1 - row3_col2 \n" +
"xxx row4_col1 - 900\n" +
"xxx row5_col1 - row5_col3")
c.Assert(err, IsNil)
originalTxnTotalSizeLimit := kv.TxnTotalSizeLimit
// If the MemBuffer can't be committed once in each batch, it will return an error like "transaction is too large".
kv.TxnTotalSizeLimit = 10240
defer func() { kv.TxnTotalSizeLimit = originalTxnTotalSizeLimit }()
// support ClientLocalFiles capability
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
config.Params = map[string]string{"sql_mode": "''"}
}, "LoadData", func(dbt *DBTest) {
dbt.mustExec("set @@tidb_dml_batch_size = 3")
dbt.mustExec("create table test (a varchar(255), b varchar(255) default 'default value', c int not null auto_increment, primary key(c))")
rs, err1 := dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table test")
dbt.Assert(err1, IsNil)
lastID, err1 := rs.LastInsertId()
dbt.Assert(err1, IsNil)
dbt.Assert(lastID, Equals, int64(1))
affectedRows, err1 := rs.RowsAffected()
dbt.Assert(err1, IsNil)
dbt.Assert(affectedRows, Equals, int64(5))
var (
a string
b string
bb sql.NullString
cc int
)
rows := dbt.mustQuery("select * from test")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
err = rows.Scan(&a, &bb, &cc)
dbt.Check(err, IsNil)
dbt.Check(a, DeepEquals, "")
dbt.Check(bb.String, DeepEquals, "")
dbt.Check(cc, DeepEquals, 1)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "xxx row2_col1")
dbt.Check(b, DeepEquals, "- row2_col2")
dbt.Check(cc, DeepEquals, 2)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "xxxy row3_col1")
dbt.Check(b, DeepEquals, "- row3_col2")
dbt.Check(cc, DeepEquals, 3)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "xxx row4_col1")
dbt.Check(b, DeepEquals, "- ")
dbt.Check(cc, DeepEquals, 4)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "xxx row5_col1")
dbt.Check(b, DeepEquals, "- ")
dbt.Check(cc, DeepEquals, 5)
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
rows.Close()
// specify faileds and lines
dbt.mustExec("delete from test")
dbt.mustExec("set @@tidb_dml_batch_size = 3")
rs, err = dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table test fields terminated by '\t- ' lines starting by 'xxx ' terminated by '\n'")
dbt.Assert(err, IsNil)
lastID, err = rs.LastInsertId()
dbt.Assert(err, IsNil)
dbt.Assert(lastID, Equals, int64(6))
affectedRows, err = rs.RowsAffected()
dbt.Assert(err, IsNil)
dbt.Assert(affectedRows, Equals, int64(4))
rows = dbt.mustQuery("select * from test")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "row1_col1")
dbt.Check(b, DeepEquals, "row1_col2\t1abc")
dbt.Check(cc, DeepEquals, 6)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "row2_col1")
dbt.Check(b, DeepEquals, "row2_col2\t")
dbt.Check(cc, DeepEquals, 7)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "row4_col1")
dbt.Check(b, DeepEquals, "\t\t900")
dbt.Check(cc, DeepEquals, 8)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &cc)
dbt.Check(a, DeepEquals, "row5_col1")
dbt.Check(b, DeepEquals, "\trow5_col3")
dbt.Check(cc, DeepEquals, 9)
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
// infile size more than a packet size(16K)
dbt.mustExec("delete from test")
_, err = fp.WriteString("\n")
dbt.Assert(err, IsNil)
for i := 6; i <= 800; i++ {
_, err = fp.WriteString(fmt.Sprintf("xxx row%d_col1 - row%d_col2\n", i, i))
dbt.Assert(err, IsNil)
}
dbt.mustExec("set @@tidb_dml_batch_size = 3")
rs, err = dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table test fields terminated by '\t- ' lines starting by 'xxx ' terminated by '\n'")
dbt.Assert(err, IsNil)
lastID, err = rs.LastInsertId()
dbt.Assert(err, IsNil)
dbt.Assert(lastID, Equals, int64(10))
affectedRows, err = rs.RowsAffected()
dbt.Assert(err, IsNil)
dbt.Assert(affectedRows, Equals, int64(799))
rows = dbt.mustQuery("select * from test")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
// don't support lines terminated is ""
dbt.mustExec("set @@tidb_dml_batch_size = 3")
_, err = dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table test lines terminated by ''")
dbt.Assert(err, NotNil)
// infile doesn't exist
dbt.mustExec("set @@tidb_dml_batch_size = 3")
_, err = dbt.db.Exec("load data local infile '/tmp/nonexistence.csv' into table test")
dbt.Assert(err, NotNil)
})
err = fp.Close()
c.Assert(err, IsNil)
err = os.Remove(path)
c.Assert(err, IsNil)
fp, err = os.Create(path)
c.Assert(err, IsNil)
c.Assert(fp, NotNil)
// Test mixed unenclosed and enclosed fields.
_, err = fp.WriteString(
"\"abc\",123\n" +
"def,456,\n" +
"hig,\"789\",")
c.Assert(err, IsNil)
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
config.Params = map[string]string{"sql_mode": "''"}
}, "LoadData", func(dbt *DBTest) {
dbt.mustExec("create table test (str varchar(10) default null, i int default null)")
dbt.mustExec("set @@tidb_dml_batch_size = 3")
_, err1 := dbt.db.Exec(`load data local infile '/tmp/load_data_test.csv' into table test FIELDS TERMINATED BY ',' enclosed by '"'`)
dbt.Assert(err1, IsNil)
var (
str string
id int
)
rows := dbt.mustQuery("select * from test")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
err = rows.Scan(&str, &id)
dbt.Check(err, IsNil)
dbt.Check(str, DeepEquals, "abc")
dbt.Check(id, DeepEquals, 123)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&str, &id)
dbt.Check(str, DeepEquals, "def")
dbt.Check(id, DeepEquals, 456)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&str, &id)
dbt.Check(str, DeepEquals, "hig")
dbt.Check(id, DeepEquals, 789)
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
dbt.mustExec("delete from test")
})
err = fp.Close()
c.Assert(err, IsNil)
err = os.Remove(path)
c.Assert(err, IsNil)
fp, err = os.Create(path)
c.Assert(err, IsNil)
c.Assert(fp, NotNil)
// Test irregular csv file.
_, err = fp.WriteString(
`,\N,NULL,,` + "\n" +
"00,0,000000,,\n" +
`2003-03-03, 20030303,030303,\N` + "\n")
c.Assert(err, IsNil)
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
config.Params = map[string]string{"sql_mode": "''"}
}, "LoadData", func(dbt *DBTest) {
dbt.mustExec("create table test (a date, b date, c date not null, d date)")
dbt.mustExec("set @@tidb_dml_batch_size = 3")
_, err1 := dbt.db.Exec(`load data local infile '/tmp/load_data_test.csv' into table test FIELDS TERMINATED BY ','`)
dbt.Assert(err1, IsNil)
var (
a sql.NullString
b sql.NullString
d sql.NullString
c sql.NullString
)
rows := dbt.mustQuery("select * from test")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
err = rows.Scan(&a, &b, &c, &d)
dbt.Check(err, IsNil)
dbt.Check(a.String, Equals, "0000-00-00")
dbt.Check(b.String, Equals, "")
dbt.Check(c.String, Equals, "0000-00-00")
dbt.Check(d.String, Equals, "0000-00-00")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &c, &d)
dbt.Check(a.String, Equals, "0000-00-00")
dbt.Check(b.String, Equals, "0000-00-00")
dbt.Check(c.String, Equals, "0000-00-00")
dbt.Check(d.String, Equals, "0000-00-00")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b, &c, &d)
dbt.Check(a.String, Equals, "2003-03-03")
dbt.Check(b.String, Equals, "2003-03-03")
dbt.Check(c.String, Equals, "2003-03-03")
dbt.Check(d.String, Equals, "")
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
dbt.mustExec("delete from test")
})
err = fp.Close()
c.Assert(err, IsNil)
err = os.Remove(path)
c.Assert(err, IsNil)
fp, err = os.Create(path)
c.Assert(err, IsNil)
c.Assert(fp, NotNil)
// Test double enclosed.
_, err = fp.WriteString(
`"field1","field2"` + "\n" +
`"a""b","cd""ef"` + "\n" +
`"a"b",c"d"e` + "\n")
c.Assert(err, IsNil)
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
config.Params = map[string]string{"sql_mode": "''"}
}, "LoadData", func(dbt *DBTest) {
dbt.mustExec("create table test (a varchar(20), b varchar(20))")
dbt.mustExec("set @@tidb_dml_batch_size = 3")
_, err1 := dbt.db.Exec(`load data local infile '/tmp/load_data_test.csv' into table test FIELDS TERMINATED BY ',' enclosed by '"'`)
dbt.Assert(err1, IsNil)
var (
a sql.NullString
b sql.NullString
)
rows := dbt.mustQuery("select * from test")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
err = rows.Scan(&a, &b)
dbt.Check(err, IsNil)
dbt.Check(a.String, Equals, "field1")
dbt.Check(b.String, Equals, "field2")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b)
dbt.Check(a.String, Equals, `a"b`)
dbt.Check(b.String, Equals, `cd"ef`)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
rows.Scan(&a, &b)
dbt.Check(a.String, Equals, `a"b`)
dbt.Check(b.String, Equals, `c"d"e`)
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
dbt.mustExec("delete from test")
})
err = fp.Close()
c.Assert(err, IsNil)
err = os.Remove(path)
c.Assert(err, IsNil)
fp, err = os.Create(path)
c.Assert(err, IsNil)
c.Assert(fp, NotNil)
// Test OPTIONALLY
_, err = fp.WriteString(
`"a,b,c` + "\n" +
`"1",2,"3"` + "\n")
c.Assert(err, IsNil)
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
}, "LoadData", func(dbt *DBTest) {
dbt.mustExec("create table test (id INT NOT NULL PRIMARY KEY, b INT, c varchar(10))")
dbt.mustExec("set @@tidb_dml_batch_size = 3")
_, err1 := dbt.db.Exec(`load data local infile '/tmp/load_data_test.csv' into table test FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '\"' IGNORE 1 LINES`)
dbt.Assert(err1, IsNil)
var (
a int
b int
c sql.NullString
)
rows := dbt.mustQuery("select * from test")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
err = rows.Scan(&a, &b, &c)
dbt.Check(err, IsNil)
dbt.Check(a, Equals, 1)
dbt.Check(b, Equals, 2)
dbt.Check(c.String, Equals, "3")
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
dbt.mustExec("delete from test")
})
// unsupport ClientLocalFiles capability
server.capability ^= tmysql.ClientLocalFiles
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
}, "LoadData", func(dbt *DBTest) {
dbt.mustExec("create table test (a varchar(255), b varchar(255) default 'default value', c int not null auto_increment, primary key(c))")
dbt.mustExec("set @@tidb_dml_batch_size = 3")
_, err = dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table test")
dbt.Assert(err, NotNil)
checkErrorCode(c, err, errno.ErrNotAllowedCommand)
})
server.capability |= tmysql.ClientLocalFiles
err = fp.Close()
c.Assert(err, IsNil)
err = os.Remove(path)
c.Assert(err, IsNil)
fp, err = os.Create(path)
c.Assert(err, IsNil)
c.Assert(fp, NotNil)
// Test OPTIONALLY
_, err = fp.WriteString(
`1,2` + "\n" +
`3,4` + "\n")
c.Assert(err, IsNil)
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.AllowAllFiles = true
config.Params = map[string]string{"sql_mode": "''"}
}, "LoadData", func(dbt *DBTest) {
dbt.mustExec("drop table if exists pn")
dbt.mustExec("create table pn (c1 int, c2 int)")
dbt.mustExec("set @@tidb_dml_batch_size = 1")
_, err1 := dbt.db.Exec(`load data local infile '/tmp/load_data_test.csv' into table pn FIELDS TERMINATED BY ','`)
dbt.Assert(err1, IsNil)
var (
a int
b int
)
rows := dbt.mustQuery("select * from pn")
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
err = rows.Scan(&a, &b)
dbt.Check(err, IsNil)
dbt.Check(a, Equals, 1)
dbt.Check(b, Equals, 2)
dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data"))
err = rows.Scan(&a, &b)
dbt.Check(err, IsNil)
dbt.Check(a, Equals, 3)
dbt.Check(b, Equals, 4)
dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
// fail error processing test
dbt.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/commitOneTaskErr", "return"), IsNil)
_, err1 = dbt.db.Exec(`load data local infile '/tmp/load_data_test.csv' into table pn FIELDS TERMINATED BY ','`)
mysqlErr, ok := err1.(*mysql.MySQLError)
dbt.Assert(ok, IsTrue)
dbt.Assert(mysqlErr.Message, Equals, "mock commit one task error")
dbt.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/commitOneTaskErr"), IsNil)
dbt.mustExec("drop table if exists pn")
})
}
func (cli *testServerClient) runTestConcurrentUpdate(c *C) {
dbName := "Concurrent"
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.Params = map[string]string{"sql_mode": "''"}
}, dbName, func(dbt *DBTest) {
dbt.mustExec("drop table if exists test2")
dbt.mustExec("create table test2 (a int, b int)")
dbt.mustExec("insert test2 values (1, 1)")
dbt.mustExec("set @@tidb_disable_txn_auto_retry = 0")
txn1, err := dbt.db.Begin()
c.Assert(err, IsNil)
_, err = txn1.Exec(fmt.Sprintf("USE `%s`;", dbName))
c.Assert(err, IsNil)
txn2, err := dbt.db.Begin()
c.Assert(err, IsNil)
_, err = txn2.Exec(fmt.Sprintf("USE `%s`;", dbName))
c.Assert(err, IsNil)
_, err = txn2.Exec("update test2 set a = a + 1 where b = 1")
c.Assert(err, IsNil)
err = txn2.Commit()
c.Assert(err, IsNil)
_, err = txn1.Exec("update test2 set a = a + 1 where b = 1")
c.Assert(err, IsNil)
err = txn1.Commit()
c.Assert(err, IsNil)
})
}
func (cli *testServerClient) runTestExplainForConn(c *C) {
cli.runTestsOnNewDB(c, nil, "explain_for_conn", func(dbt *DBTest) {
dbt.mustExec("drop table if exists t")
dbt.mustExec("create table t (a int key, b int)")
dbt.mustExec("insert t values (1, 1)")
rows := dbt.mustQuery("select connection_id();")
c.Assert(rows.Next(), IsTrue)
var connID int64
err := rows.Scan(&connID)
c.Assert(err, IsNil)
c.Assert(rows.Close(), IsNil)
dbt.mustQuery("select * from t where a=1")
rows = dbt.mustQuery("explain for connection " + strconv.Itoa(int(connID)))
c.Assert(rows.Next(), IsTrue)
row := make([]string, 9)
err = rows.Scan(&row[0], &row[1], &row[2], &row[3], &row[4], &row[5], &row[6], &row[7], &row[8])
c.Assert(err, IsNil)
c.Assert(strings.Join(row, ","), Matches, "Point_Get_1,1.00,1,root,table:t,time.*loop.*handle:1.*")
c.Assert(rows.Close(), IsNil)
})
}
func (cli *testServerClient) runTestErrorCode(c *C) {
cli.runTestsOnNewDB(c, nil, "ErrorCode", func(dbt *DBTest) {
dbt.mustExec("create table test (c int PRIMARY KEY);")
dbt.mustExec("insert into test values (1);")
txn1, err := dbt.db.Begin()
c.Assert(err, IsNil)
_, err = txn1.Exec("insert into test values(1)")
c.Assert(err, IsNil)
err = txn1.Commit()
checkErrorCode(c, err, errno.ErrDupEntry)
// Schema errors
txn2, err := dbt.db.Begin()
c.Assert(err, IsNil)
_, err = txn2.Exec("use db_not_exists;")
checkErrorCode(c, err, errno.ErrBadDB)
_, err = txn2.Exec("select * from tbl_not_exists;")
checkErrorCode(c, err, errno.ErrNoSuchTable)
_, err = txn2.Exec("create database test;")
// Make tests stable. Some times the error may be the ErrInfoSchemaChanged.
checkErrorCode(c, err, errno.ErrDBCreateExists, errno.ErrInfoSchemaChanged)
_, err = txn2.Exec("create database aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;")
checkErrorCode(c, err, errno.ErrTooLongIdent, errno.ErrInfoSchemaChanged)
_, err = txn2.Exec("create table test (c int);")
checkErrorCode(c, err, errno.ErrTableExists, errno.ErrInfoSchemaChanged)
_, err = txn2.Exec("drop table unknown_table;")
checkErrorCode(c, err, errno.ErrBadTable, errno.ErrInfoSchemaChanged)
_, err = txn2.Exec("drop database unknown_db;")
checkErrorCode(c, err, errno.ErrDBDropExists, errno.ErrInfoSchemaChanged)
_, err = txn2.Exec("create table aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa (a int);")
checkErrorCode(c, err, errno.ErrTooLongIdent, errno.ErrInfoSchemaChanged)
_, err = txn2.Exec("create table long_column_table (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa int);")
checkErrorCode(c, err, errno.ErrTooLongIdent, errno.ErrInfoSchemaChanged)
_, err = txn2.Exec("alter table test add aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa int;")
checkErrorCode(c, err, errno.ErrTooLongIdent, errno.ErrInfoSchemaChanged)
// Optimizer errors
_, err = txn2.Exec("select *, * from test;")
checkErrorCode(c, err, errno.ErrInvalidWildCard)
_, err = txn2.Exec("select row(1, 2) > 1;")
checkErrorCode(c, err, errno.ErrOperandColumns)
_, err = txn2.Exec("select * from test order by row(c, c);")
checkErrorCode(c, err, errno.ErrOperandColumns)
// Variable errors
_, err = txn2.Exec("select @@unknown_sys_var;")
checkErrorCode(c, err, errno.ErrUnknownSystemVariable)
_, err = txn2.Exec("set @@unknown_sys_var='1';")
checkErrorCode(c, err, errno.ErrUnknownSystemVariable)
// Expression errors
_, err = txn2.Exec("select greatest(2);")
checkErrorCode(c, err, errno.ErrWrongParamcountToNativeFct)
})
}
func checkErrorCode(c *C, e error, codes ...uint16) {
me, ok := e.(*mysql.MySQLError)
c.Assert(ok, IsTrue, Commentf("err: %v", e))
if len(codes) == 1 {
c.Assert(me.Number, Equals, codes[0])
}
isMatchCode := false
for _, code := range codes {
if me.Number == code {
isMatchCode = true
break
}
}
c.Assert(isMatchCode, IsTrue, Commentf("got err %v, expected err codes %v", me, codes))
}
func (cli *testServerClient) runTestAuth(c *C) {
cli.runTests(c, nil, func(dbt *DBTest) {
dbt.mustExec(`CREATE USER 'authtest'@'%' IDENTIFIED BY '123';`)
dbt.mustExec(`CREATE ROLE 'authtest_r1'@'%';`)
dbt.mustExec(`GRANT ALL on test.* to 'authtest'`)
dbt.mustExec(`GRANT authtest_r1 to 'authtest'`)
dbt.mustExec(`SET DEFAULT ROLE authtest_r1 TO authtest`)
dbt.mustExec(`FLUSH PRIVILEGES;`)
})
cli.runTests(c, func(config *mysql.Config) {
config.User = "authtest"
config.Passwd = "123"
}, func(dbt *DBTest) {
dbt.mustExec(`USE information_schema;`)
})
db, err := sql.Open("mysql", cli.getDSN(func(config *mysql.Config) {
config.User = "authtest"
config.Passwd = "456"
}))
c.Assert(err, IsNil)
_, err = db.Query("USE information_schema;")
c.Assert(err, NotNil, Commentf("Wrong password should be failed"))
db.Close()
// Test for loading active roles.
db, err = sql.Open("mysql", cli.getDSN(func(config *mysql.Config) {
config.User = "authtest"
config.Passwd = "123"
}))
c.Assert(err, IsNil)
rows, err := db.Query("select current_role;")
c.Assert(err, IsNil)
c.Assert(rows.Next(), IsTrue)
var outA string
err = rows.Scan(&outA)
c.Assert(err, IsNil)
c.Assert(outA, Equals, "`authtest_r1`@`%`")
db.Close()
// Test login use IP that not exists in mysql.user.
cli.runTests(c, nil, func(dbt *DBTest) {
dbt.mustExec(`CREATE USER 'authtest2'@'localhost' IDENTIFIED BY '123';`)
dbt.mustExec(`GRANT ALL on test.* to 'authtest2'@'localhost'`)
dbt.mustExec(`FLUSH PRIVILEGES;`)
})
cli.runTests(c, func(config *mysql.Config) {
config.User = "authtest2"
config.Passwd = "123"
}, func(dbt *DBTest) {
dbt.mustExec(`USE information_schema;`)
})
}
func (cli *testServerClient) runTestIssue3662(c *C) {
db, err := sql.Open("mysql", cli.getDSN(func(config *mysql.Config) {
config.DBName = "non_existing_schema"
}))
c.Assert(err, IsNil)
defer db.Close()
// According to documentation, "Open may just validate its arguments without
// creating a connection to the database. To verify that the data source name
// is valid, call Ping."
err = db.Ping()
c.Assert(err, NotNil)
c.Assert(err.Error(), Equals, "Error 1049: Unknown database 'non_existing_schema'")
}
func (cli *testServerClient) runTestIssue3680(c *C) {
db, err := sql.Open("mysql", cli.getDSN(func(config *mysql.Config) {
config.User = "non_existing_user"
}))
c.Assert(err, IsNil)
defer db.Close()
// According to documentation, "Open may just validate its arguments without
// creating a connection to the database. To verify that the data source name
// is valid, call Ping."
err = db.Ping()
c.Assert(err, NotNil)
c.Assert(err.Error(), Equals, "Error 1045: Access denied for user 'non_existing_user'@'127.0.0.1' (using password: NO)")
}
func (cli *testServerClient) runTestIssue3682(c *C) {
cli.runTests(c, nil, func(dbt *DBTest) {
dbt.mustExec(`CREATE USER 'issue3682'@'%' IDENTIFIED BY '123';`)
dbt.mustExec(`GRANT ALL on test.* to 'issue3682'`)
dbt.mustExec(`GRANT ALL on mysql.* to 'issue3682'`)
dbt.mustExec(`FLUSH PRIVILEGES`)
})
cli.runTests(c, func(config *mysql.Config) {
config.User = "issue3682"
config.Passwd = "123"
}, func(dbt *DBTest) {
dbt.mustExec(`USE mysql;`)
})
db, err := sql.Open("mysql", cli.getDSN(func(config *mysql.Config) {
config.User = "issue3682"
config.Passwd = "wrong_password"
config.DBName = "non_existing_schema"
}))
c.Assert(err, IsNil)
defer db.Close()
err = db.Ping()
c.Assert(err, NotNil)
c.Assert(err.Error(), Equals, "Error 1045: Access denied for user 'issue3682'@'127.0.0.1' (using password: YES)")
}
func (cli *testServerClient) runTestDBNameEscape(c *C) {
cli.runTests(c, nil, func(dbt *DBTest) {
dbt.mustExec("CREATE DATABASE `aa-a`;")
})
cli.runTests(c, func(config *mysql.Config) {
config.DBName = "aa-a"
}, func(dbt *DBTest) {
dbt.mustExec(`USE mysql;`)
dbt.mustExec("DROP DATABASE `aa-a`")
})
}
func (cli *testServerClient) runTestResultFieldTableIsNull(c *C) {
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.Params = map[string]string{"sql_mode": "''"}
}, "ResultFieldTableIsNull", func(dbt *DBTest) {
dbt.mustExec("drop table if exists test;")
dbt.mustExec("create table test (c int);")
dbt.mustExec("explain select * from test;")
})
}
func (cli *testServerClient) runTestStatusAPI(c *C) {
resp, err := cli.fetchStatus("/status")
c.Assert(err, IsNil)
defer resp.Body.Close()
decoder := json.NewDecoder(resp.Body)
var data status
err = decoder.Decode(&data)
c.Assert(err, IsNil)
c.Assert(data.Version, Equals, tmysql.ServerVersion)
c.Assert(data.GitHash, Equals, versioninfo.TiDBGitHash)
}
// The golang sql driver (and most drivers) should have multi-statement
// disabled by default for security reasons. Lets ensure that the behavior
// is correct.
func (cli *testServerClient) runFailedTestMultiStatements(c *C) {
cli.runTestsOnNewDB(c, nil, "FailedMultiStatements", func(dbt *DBTest) {
_, err := dbt.db.Exec("SELECT 1; SELECT 1; SELECT 2; SELECT 3;")
c.Assert(err.Error(), Equals, "Error 1105: client has multi-statement capability disabled")
})
}
func (cli *testServerClient) runTestMultiStatements(c *C) {
cli.runTestsOnNewDB(c, func(config *mysql.Config) {
config.Params = map[string]string{"multiStatements": "true"}
}, "MultiStatements", func(dbt *DBTest) {
// Create Table
dbt.mustExec("CREATE TABLE `test` (`id` int(11) NOT NULL, `value` int(11) NOT NULL) ")
// Create Data
res := dbt.mustExec("INSERT INTO test VALUES (1, 1)")
count, err := res.RowsAffected()
c.Assert(err, IsNil, Commentf("res.RowsAffected() returned error"))
c.Assert(count, Equals, int64(1))
// Update
res = dbt.mustExec("UPDATE test SET value = 3 WHERE id = 1; UPDATE test SET value = 4 WHERE id = 1; UPDATE test SET value = 5 WHERE id = 1;")
count, err = res.RowsAffected()
c.Assert(err, IsNil, Commentf("res.RowsAffected() returned error"))
c.Assert(count, Equals, int64(1))
// Read
var out int
rows := dbt.mustQuery("SELECT value FROM test WHERE id=1;")
if rows.Next() {
rows.Scan(&out)
c.Assert(out, Equals, 5)
if rows.Next() {
dbt.Error("unexpected data")
}
} else {
dbt.Error("no data")
}
})
}
func (cli *testServerClient) runTestStmtCount(t *C) {
cli.runTestsOnNewDB(t, nil, "StatementCount", func(dbt *DBTest) {
originStmtCnt := getStmtCnt(string(cli.getMetrics(t)))
dbt.mustExec("create table test (a int)")
dbt.mustExec("insert into test values(1)")
dbt.mustExec("insert into test values(2)")
dbt.mustExec("insert into test values(3)")
dbt.mustExec("insert into test values(4)")
dbt.mustExec("insert into test values(5)")
dbt.mustExec("delete from test where a = 3")
dbt.mustExec("update test set a = 2 where a = 1")
dbt.mustExec("select * from test")
dbt.mustExec("select 2")
dbt.mustExec("prepare stmt1 from 'update test set a = 1 where a = 2'")
dbt.mustExec("execute stmt1")
dbt.mustExec("prepare stmt2 from 'select * from test'")
dbt.mustExec("execute stmt2")
dbt.mustExec("replace into test(a) values(6);")
currentStmtCnt := getStmtCnt(string(cli.getMetrics(t)))
t.Assert(currentStmtCnt["CreateTable"], Equals, originStmtCnt["CreateTable"]+1)
t.Assert(currentStmtCnt["Insert"], Equals, originStmtCnt["Insert"]+5)
t.Assert(currentStmtCnt["Delete"], Equals, originStmtCnt["Delete"]+1)
t.Assert(currentStmtCnt["Update"], Equals, originStmtCnt["Update"]+1)
t.Assert(currentStmtCnt["Select"], Equals, originStmtCnt["Select"]+2)
t.Assert(currentStmtCnt["Prepare"], Equals, originStmtCnt["Prepare"]+2)
t.Assert(currentStmtCnt["Execute"], Equals, originStmtCnt["Execute"]+2)
t.Assert(currentStmtCnt["Replace"], Equals, originStmtCnt["Replace"]+1)
})
}
func (cli *testServerClient) runTestTLSConnection(t *C, overrider configOverrider) error {
dsn := cli.getDSN(overrider)
db, err := sql.Open("mysql", dsn)
t.Assert(err, IsNil)
defer db.Close()
_, err = db.Exec("USE test")
if err != nil {
return errors.Annotate(err, "dsn:"+dsn)
}
return err
}
func (cli *testServerClient) runReloadTLS(t *C, overrider configOverrider, errorNoRollback bool) error {
db, err := sql.Open("mysql", cli.getDSN(overrider))
t.Assert(err, IsNil)
defer db.Close()
sql := "alter instance reload tls"
if errorNoRollback {
sql += " no rollback on error"
}
_, err = db.Exec(sql)
return err
}
func (cli *testServerClient) runTestSumAvg(c *C) {
cli.runTests(c, nil, func(dbt *DBTest) {
dbt.mustExec("create table sumavg (a int, b decimal, c double)")
dbt.mustExec("insert sumavg values (1, 1, 1)")
rows := dbt.mustQuery("select sum(a), sum(b), sum(c) from sumavg")
c.Assert(rows.Next(), IsTrue)
var outA, outB, outC float64
err := rows.Scan(&outA, &outB, &outC)
c.Assert(err, IsNil)
c.Assert(outA, Equals, 1.0)
c.Assert(outB, Equals, 1.0)
c.Assert(outC, Equals, 1.0)
rows = dbt.mustQuery("select avg(a), avg(b), avg(c) from sumavg")
c.Assert(rows.Next(), IsTrue)
err = rows.Scan(&outA, &outB, &outC)
c.Assert(err, IsNil)
c.Assert(outA, Equals, 1.0)
c.Assert(outB, Equals, 1.0)
c.Assert(outC, Equals, 1.0)
})
}
func (cli *testServerClient) getMetrics(t *C) []byte {
resp, err := cli.fetchStatus("/metrics")
t.Assert(err, IsNil)
content, err := ioutil.ReadAll(resp.Body)
t.Assert(err, IsNil)
resp.Body.Close()
return content
}
func getStmtCnt(content string) (stmtCnt map[string]int) {
stmtCnt = make(map[string]int)
r, _ := regexp.Compile("tidb_executor_statement_total{type=\"([A-Z|a-z|-]+)\"} (\\d+)")
matchResult := r.FindAllStringSubmatch(content, -1)
for _, v := range matchResult {
cnt, _ := strconv.Atoi(v[2])
stmtCnt[v[1]] = cnt
}
return stmtCnt
}
const retryTime = 100
func (cli *testServerClient) waitUntilServerOnline() {
// connect server
retry := 0
for ; retry < retryTime; retry++ {
time.Sleep(time.Millisecond * 10)
db, err := sql.Open("mysql", cli.getDSN())
if err == nil {
db.Close()
break
}
}
if retry == retryTime {
log.Fatal("failed to connect DB in every 10 ms", zap.Int("retryTime", retryTime))
}
for retry = 0; retry < retryTime; retry++ {
// fetch http status
resp, err := cli.fetchStatus("/status")
if err == nil {
ioutil.ReadAll(resp.Body)
resp.Body.Close()
break
}
time.Sleep(time.Millisecond * 10)
}
if retry == retryTime {
log.Fatal("failed to connect HTTP status in every 10 ms", zap.Int("retryTime", retryTime))
}
}