// 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)) } }