446 lines
12 KiB
Go
446 lines
12 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tidb
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import (
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"database/sql"
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"errors"
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"flag"
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"fmt"
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"net/url"
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"os"
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"runtime"
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"sync"
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"testing"
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"time"
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"github.com/ngaut/log"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/kv"
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"github.com/pingcap/tidb/rset"
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)
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var store = flag.String("store", "memory", "registered store name, [memory, goleveldb, boltdb]")
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func TestT(t *testing.T) {
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TestingT(t)
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}
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var _ = Suite(&testMainSuite{})
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type testMainSuite struct {
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dbName string
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createDBSQL string
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dropDBSQL string
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useDBSQL string
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createTableSQL string
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insertSQL string
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selectSQL string
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}
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type brokenStore struct{}
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func (s *brokenStore) Open(schema string) (kv.Storage, error) {
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return nil, errors.New("try again later")
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}
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func (s *testMainSuite) SetUpSuite(c *C) {
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s.dbName = "test_main_db"
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s.createDBSQL = fmt.Sprintf("create database if not exists %s;", s.dbName)
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s.dropDBSQL = fmt.Sprintf("drop database %s;", s.dbName)
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s.useDBSQL = fmt.Sprintf("use %s;", s.dbName)
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s.createTableSQL = `
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CREATE TABLE tbl_test(id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id));
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CREATE TABLE tbl_test1(id INT NOT NULL DEFAULT 2, name varchar(255), PRIMARY KEY(id), INDEX name(name));
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CREATE TABLE tbl_test2(id INT NOT NULL DEFAULT 3, name varchar(255), PRIMARY KEY(id));`
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s.selectSQL = `SELECT * from tbl_test;`
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runtime.GOMAXPROCS(runtime.NumCPU())
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log.SetLevelByString("error")
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}
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func (s *testMainSuite) TearDownSuite(c *C) {
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removeStore(c, s.dbName)
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}
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func mustBegin(c *C, currDB *sql.DB) *sql.Tx {
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tx, err := currDB.Begin()
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c.Assert(err, IsNil)
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return tx
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}
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func mustCommit(c *C, tx *sql.Tx) {
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err := tx.Commit()
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c.Assert(err, IsNil)
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}
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func mustExecuteSQL(c *C, tx *sql.Tx, sql string, args ...interface{}) sql.Result {
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r, err := tx.Exec(sql, args...)
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c.Assert(err, IsNil)
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return r
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}
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func mustExec(c *C, currDB *sql.DB, sql string, args ...interface{}) sql.Result {
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tx := mustBegin(c, currDB)
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r := mustExecuteSQL(c, tx, sql, args...)
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mustCommit(c, tx)
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return r
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}
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func checkResult(c *C, r sql.Result, affectedRows int64, insertID int64) {
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gotRows, err := r.RowsAffected()
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c.Assert(err, IsNil)
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c.Assert(gotRows, Equals, affectedRows)
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gotID, err := r.LastInsertId()
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c.Assert(err, IsNil)
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c.Assert(gotID, Equals, insertID)
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}
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func (s *testMainSuite) TestConcurrent(c *C) {
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dbName := "test_concurrent_db"
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defer removeStore(c, dbName)
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testDB, err := sql.Open(DriverName, *store+"://"+dbName+"/"+dbName)
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c.Assert(err, IsNil)
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defer testDB.Close()
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var wg sync.WaitGroup
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// create db
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createDBSQL := fmt.Sprintf("create database if not exists %s;", dbName)
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dropDBSQL := fmt.Sprintf("drop database %s;", dbName)
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useDBSQL := fmt.Sprintf("use %s;", dbName)
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createTableSQL := ` CREATE TABLE test(id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id)); `
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mustExec(c, testDB, dropDBSQL)
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mustExec(c, testDB, createDBSQL)
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mustExec(c, testDB, useDBSQL)
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mustExec(c, testDB, createTableSQL)
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f := func(start, count int) {
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defer wg.Done()
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for i := 0; i < count; i++ {
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// insert data
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mustExec(c, testDB, fmt.Sprintf(`INSERT INTO test VALUES (%d, "hello");`, start+i))
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}
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}
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step := 10
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for i := 0; i < step; i++ {
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wg.Add(1)
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go f(i*step, step)
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}
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wg.Wait()
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mustExec(c, testDB, dropDBSQL)
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}
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func (s *testMainSuite) TestTableInfoMeta(c *C) {
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testDB, err := sql.Open(DriverName, *store+"://"+s.dbName+"/"+s.dbName)
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c.Assert(err, IsNil)
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defer testDB.Close()
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// create db
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mustExec(c, testDB, s.createDBSQL)
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// use db
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mustExec(c, testDB, s.useDBSQL)
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// create table
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mustExec(c, testDB, s.createTableSQL)
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// insert data
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r := mustExec(c, testDB, `INSERT INTO tbl_test VALUES (1, "hello");`)
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checkResult(c, r, 1, 0)
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r = mustExec(c, testDB, `INSERT INTO tbl_test VALUES (2, "hello");`)
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checkResult(c, r, 1, 0)
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r = mustExec(c, testDB, `UPDATE tbl_test SET name = "abc" where id = 2;`)
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checkResult(c, r, 1, 0)
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r = mustExec(c, testDB, `DELETE from tbl_test where id = 2;`)
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checkResult(c, r, 1, 0)
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// select data
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tx := mustBegin(c, testDB)
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rows, err := tx.Query(s.selectSQL)
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c.Assert(err, IsNil)
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defer rows.Close()
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for rows.Next() {
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var id int
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var name string
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rows.Scan(&id, &name)
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c.Assert(id, Equals, 1)
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c.Assert(name, Equals, "hello")
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}
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mustCommit(c, tx)
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// drop db
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mustExec(c, testDB, s.dropDBSQL)
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}
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func (s *testMainSuite) TestInfoSchema(c *C) {
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store := newStore(c, s.dbName)
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se := newSession(c, store, s.dbName)
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rs := mustExecSQL(c, se, "SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.CHARACTER_SETS WHERE CHARACTER_SET_NAME = 'utf8mb4'")
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row, err := rs.FirstRow()
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c.Assert(err, IsNil)
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match(c, row, "utf8mb4")
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}
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func (s *testMainSuite) TestCaseInsensitive(c *C) {
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store := newStore(c, s.dbName)
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se := newSession(c, store, s.dbName)
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mustExecSQL(c, se, "create table T (a text, B int)")
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mustExecSQL(c, se, "insert t (A, b) values ('aaa', 1)")
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rs := mustExecSQL(c, se, "select * from t")
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fields, err := rs.Fields()
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c.Assert(err, IsNil)
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c.Assert(fields[0].Name, Equals, "a")
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c.Assert(fields[1].Name, Equals, "B")
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rs = mustExecSQL(c, se, "select A, b from t")
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fields, err = rs.Fields()
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c.Assert(err, IsNil)
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c.Assert(fields[0].Name, Equals, "A")
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c.Assert(fields[1].Name, Equals, "b")
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mustExecSQL(c, se, "update T set b = B + 1")
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mustExecSQL(c, se, "update T set B = b + 1")
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rs = mustExecSQL(c, se, "select b from T")
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rows, err := rs.Rows(-1, 0)
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c.Assert(err, IsNil)
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match(c, rows[0], 3)
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mustExecSQL(c, se, s.dropDBSQL)
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}
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func (s *testMainSuite) TestDriverPrepare(c *C) {
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testDB, err := sql.Open(DriverName, *store+"://"+s.dbName+"/"+s.dbName)
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c.Assert(err, IsNil)
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defer testDB.Close()
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// create db
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mustExec(c, testDB, s.createDBSQL)
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// use db
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mustExec(c, testDB, s.useDBSQL)
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// create table
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mustExec(c, testDB, "create table t (a int, b int)")
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mustExec(c, testDB, "insert t values (?, ?)", 1, 2)
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row := testDB.QueryRow("select * from t where 1 = ?", 1)
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// TODO: This will fail test
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// row := testDB.QueryRow("select ?, ? from t", "a", "b")
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var a, b int
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err = row.Scan(&a, &b)
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c.Assert(err, IsNil)
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c.Assert(a, Equals, 1)
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c.Assert(b, Equals, 2)
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mustExec(c, testDB, s.dropDBSQL)
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}
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// Testcase for delete panic
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func (s *testMainSuite) TestDeletePanic(c *C) {
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db, err := sql.Open("tidb", "memory://test/test")
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defer db.Close()
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_, err = db.Exec("create table t (c int)")
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c.Assert(err, IsNil)
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_, err = db.Exec("insert into t values (1), (2), (3)")
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c.Assert(err, IsNil)
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_, err = db.Query("delete from `t` where `c` = ?", 1)
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c.Assert(err, IsNil)
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rs, err := db.Query("delete from `t` where `c` = ?", 2)
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c.Assert(err, IsNil)
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cols, err := rs.Columns()
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c.Assert(err, IsNil)
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c.Assert(cols, HasLen, 0)
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c.Assert(rs.Next(), IsFalse)
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c.Assert(rs.Next(), IsFalse)
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c.Assert(rs.Close(), IsNil)
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}
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// Testcase for arg type.
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func (s *testMainSuite) TestCheckArgs(c *C) {
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db, err := sql.Open("tidb", "memory://test/test")
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defer db.Close()
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c.Assert(err, IsNil)
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mustExec(c, db, "create table if not exists t (c datetime)")
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mustExec(c, db, "insert t values (?)", time.Now())
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mustExec(c, db, "drop table t")
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checkArgs(nil, true, false, int8(1), int16(1), int32(1), int64(1), 1,
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uint8(1), uint16(1), uint32(1), uint64(1), uint(1), float32(1), float64(1),
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"abc", []byte("abc"), time.Now(), time.Hour, time.Local)
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}
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func (s *testMainSuite) TestIsQuery(c *C) {
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tbl := []struct {
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sql string
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ok bool
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}{
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{"/*comment*/ select 1;", true},
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{"/*comment*/ /*comment*/ select 1;", true},
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{"select /*comment*/ 1 /*comment*/;", true},
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{"(select /*comment*/ 1 /*comment*/);", true},
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}
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for _, t := range tbl {
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c.Assert(IsQuery(t.sql), Equals, t.ok, Commentf(t.sql))
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}
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}
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func (s *testMainSuite) TestitrimSQL(c *C) {
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tbl := []struct {
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sql string
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target string
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}{
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{"/*comment*/ select 1; ", "select 1;"},
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{"/*comment*/ /*comment*/ select 1;", "select 1;"},
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{"select /*comment*/ 1 /*comment*/;", "select /*comment*/ 1 /*comment*/;"},
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{"/*comment select 1; ", "/*comment select 1;"},
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}
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for _, t := range tbl {
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c.Assert(trimSQL(t.sql), Equals, t.target, Commentf(t.sql))
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}
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}
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func (s *testMainSuite) TestRetryOpenStore(c *C) {
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begin := time.Now()
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RegisterStore("dummy", &brokenStore{})
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_, err := newStoreWithRetry("dummy://dummy-store", 3)
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c.Assert(err, NotNil)
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elapse := time.Since(begin)
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c.Assert(uint64(elapse), GreaterEqual, uint64(3*time.Second))
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}
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func (s *testMainSuite) TestParseDSN(c *C) {
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tbl := []struct {
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dsn string
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ok bool
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storeDSN string
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dbName string
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}{
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{"s://path/db", true, "s://path", "db"},
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{"s://path/db/", true, "s://path", "db"},
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{"s:///path/db", true, "s:///path", "db"},
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{"s:///path/db/", true, "s:///path", "db"},
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{"s://zk1,zk2/tbl/db", true, "s://zk1,zk2/tbl", "db"},
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{"s://zk1:80,zk2:81/tbl/db", true, "s://zk1:80,zk2:81/tbl", "db"},
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{"s://path/db?p=v", true, "s://path?p=v", "db"},
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{"s:///path/db?p1=v1&p2=v2", true, "s:///path?p1=v1&p2=v2", "db"},
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{"s://z,k,zk/tbl/db?p=v", true, "s://z,k,zk/tbl?p=v", "db"},
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{"", false, "", ""},
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{"/", false, "", ""},
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{"s://", false, "", ""},
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{"s:///", false, "", ""},
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{"s:///db", false, "", ""},
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}
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for _, t := range tbl {
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storeDSN, dbName, err := parseDriverDSN(t.dsn)
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if t.ok {
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c.Assert(err, IsNil, Commentf("dsn=%v", t.dsn))
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c.Assert(storeDSN, Equals, t.storeDSN, Commentf("dsn=%v", t.dsn))
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c.Assert(dbName, Equals, t.dbName, Commentf("dsn=%v", t.dsn))
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_, err = url.Parse(storeDSN)
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c.Assert(err, IsNil, Commentf("dsn=%v", t.dsn))
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} else {
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c.Assert(err, NotNil, Commentf("dsn=%v", t.dsn))
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}
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}
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}
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func sessionExec(c *C, se Session, sql string) ([]rset.Recordset, error) {
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se.Execute("BEGIN;")
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r, err := se.Execute(sql)
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c.Assert(err, IsNil)
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se.Execute("COMMIT;")
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return r, err
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}
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func newStore(c *C, dbPath string) kv.Storage {
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store, err := NewStore(*store + "://" + dbPath)
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c.Assert(err, IsNil)
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return store
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}
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func newSession(c *C, store kv.Storage, dbName string) Session {
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se, err := CreateSession(store)
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c.Assert(err, IsNil)
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se.Auth("root@%", nil, []byte("012345678901234567890"))
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mustExecSQL(c, se, "create database if not exists "+dbName)
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mustExecSQL(c, se, "use "+dbName)
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return se
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}
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func removeStore(c *C, dbPath string) {
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os.RemoveAll(dbPath)
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}
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func exec(c *C, se Session, sql string, args ...interface{}) (rset.Recordset, error) {
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if len(args) == 0 {
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rs, err := se.Execute(sql)
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if err == nil && len(rs) > 0 {
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return rs[0], nil
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}
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return nil, err
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}
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stmtID, _, _, err := se.PrepareStmt(sql)
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if err != nil {
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return nil, err
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}
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rs, err := se.ExecutePreparedStmt(stmtID, args...)
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if err != nil {
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return nil, err
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}
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return rs, nil
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}
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func mustExecSQL(c *C, se Session, sql string, args ...interface{}) rset.Recordset {
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rs, err := exec(c, se, sql, args...)
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c.Assert(err, IsNil)
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return rs
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}
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func match(c *C, row []interface{}, expected ...interface{}) {
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c.Assert(len(row), Equals, len(expected))
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for i := range row {
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got := fmt.Sprintf("%v", row[i])
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need := fmt.Sprintf("%v", expected[i])
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c.Assert(got, Equals, need)
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}
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}
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func matches(c *C, rows [][]interface{}, expected [][]interface{}) {
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c.Assert(len(rows), Equals, len(expected))
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for i := 0; i < len(rows); i++ {
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match(c, rows[i], expected[i]...)
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}
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}
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func mustExecMatch(c *C, se Session, sql string, expected [][]interface{}) {
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r := mustExecSQL(c, se, sql)
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rows, err := r.Rows(-1, 0)
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c.Assert(err, IsNil)
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matches(c, rows, expected)
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}
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func mustExecFailed(c *C, se Session, sql string, args ...interface{}) {
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r, err := exec(c, se, sql, args...)
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if err == nil && r != nil {
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// sometimes we may meet error after executing first row.
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_, err = r.FirstRow()
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}
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c.Assert(err, NotNil)
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}
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