github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/tests/many_pk_or_uk/main.go (about)

     1  // Copyright 2020 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package main
    15  
    16  import (
    17  	"database/sql"
    18  	"flag"
    19  	"fmt"
    20  	"math"
    21  	"os"
    22  	"sync"
    23  
    24  	"github.com/pingcap/errors"
    25  	"github.com/pingcap/log"
    26  	"github.com/pingcap/ticdc/tests/util"
    27  )
    28  
    29  func main() {
    30  	cfg := util.NewConfig()
    31  	err := cfg.Parse(os.Args[1:])
    32  	switch errors.Cause(err) {
    33  	case nil:
    34  	case flag.ErrHelp:
    35  		os.Exit(0)
    36  	default:
    37  		log.S().Errorf("parse cmd flags err %s\n", err)
    38  		os.Exit(2)
    39  	}
    40  
    41  	sourceDB, err := util.CreateDB(cfg.SourceDBCfg[0])
    42  	if err != nil {
    43  		log.S().Fatal(err)
    44  	}
    45  	defer func() {
    46  		if err := util.CloseDB(sourceDB); err != nil {
    47  			log.S().Errorf("Failed to close source database: %s\n", err)
    48  		}
    49  	}()
    50  	runPKorUKcases(sourceDB)
    51  	util.MustExec(sourceDB, "create table finish_mark(a int primary key);")
    52  }
    53  
    54  // create a table with one column id with different type
    55  // test the case whether it is primary key too, this can
    56  // also help test when the column is handle or not.
    57  func runPKorUKcases(db *sql.DB) {
    58  	cases := []struct {
    59  		Tp     string
    60  		Value  interface{}
    61  		Update interface{}
    62  	}{
    63  		{
    64  			Tp:     "BIGINT UNSIGNED",
    65  			Value:  uint64(math.MaxUint64),
    66  			Update: uint64(math.MaxUint64) - 1,
    67  		},
    68  		{
    69  			Tp:     "BIGINT SIGNED",
    70  			Value:  int64(math.MaxInt64),
    71  			Update: int64(math.MinInt64),
    72  		},
    73  		{
    74  			Tp:     "INT UNSIGNED",
    75  			Value:  uint32(math.MaxUint32),
    76  			Update: uint32(math.MaxUint32) - 1,
    77  		},
    78  		{
    79  			Tp:     "INT SIGNED",
    80  			Value:  int32(math.MaxInt32),
    81  			Update: int32(math.MinInt32),
    82  		},
    83  		{
    84  			Tp:     "SMALLINT UNSIGNED",
    85  			Value:  uint16(math.MaxUint16),
    86  			Update: uint16(math.MaxUint16) - 1,
    87  		},
    88  		{
    89  			Tp:     "SMALLINT SIGNED",
    90  			Value:  int16(math.MaxInt16),
    91  			Update: int16(math.MinInt16),
    92  		},
    93  		{
    94  			Tp:     "TINYINT UNSIGNED",
    95  			Value:  uint8(math.MaxUint8),
    96  			Update: uint8(math.MaxUint8) - 1,
    97  		},
    98  		{
    99  			Tp:     "TINYINT SIGNED",
   100  			Value:  int8(math.MaxInt8),
   101  			Update: int8(math.MaxInt8) - 1,
   102  		},
   103  	}
   104  
   105  	var g sync.WaitGroup
   106  
   107  	for i, c := range cases {
   108  		for j, pkOrUK := range []string{"UNIQUE NOT NULL", "PRIMARY KEY"} {
   109  			g.Add(1)
   110  			tableName := fmt.Sprintf("pk_or_uk_%d_%d", i, j)
   111  			pkOrUK := pkOrUK
   112  			c := c
   113  			go func() {
   114  				sql := fmt.Sprintf("CREATE TABLE %s(id %s %s)", tableName, c.Tp, pkOrUK)
   115  				util.MustExec(db, sql)
   116  				sql = fmt.Sprintf("INSERT INTO %s(id) values( ? )", tableName)
   117  				util.MustExec(db, sql, c.Value)
   118  				sql = fmt.Sprintf("UPDATE %s set id = ? where id = ?", tableName)
   119  				util.MustExec(db, sql, c.Update, c.Value)
   120  				sql = fmt.Sprintf("INSERT INTO %s(id) values( ? )", tableName)
   121  				util.MustExec(db, sql, c.Value)
   122  				sql = fmt.Sprintf("DELETE from %s where id = ?", tableName)
   123  				util.MustExec(db, sql, c.Update)
   124  				g.Done()
   125  			}()
   126  		}
   127  	}
   128  	g.Wait()
   129  }