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Initialize unknown db (#104) #105

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Merged
merged 3 commits into from
May 12, 2022
Merged

Initialize unknown db (#104) #105

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72bd281
Fix: failed to create a new database which is not existed
yongpan0709 May 11, 2022
782e134
Fix: failed to create a new database which is not existed
yongpan0709 May 11, 2022
ef1a1b3
Enhance to avoid introducing the incompatibility
yongpan0709 May 12, 2022
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4 changes: 3 additions & 1 deletion cmd/go-tpc/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -73,13 +73,15 @@ func openDB() {
if err := globalDB.Ping(); err != nil {
errString := err.Error()
if strings.Contains(errString, unknownDB) {
tmpDB, _ = sql.Open(mysqlDriver, ds)
tmpDs := fmt.Sprintf("%s:%s@tcp(%s:%d)/", user, password, host, port)
tmpDB, _ = sql.Open(mysqlDriver, tmpDs)
defer tmpDB.Close()
if _, err := tmpDB.Exec(createDBDDL + dbName); err != nil {
panic(fmt.Errorf("failed to create database, err %v\n", err))
}
} else {
globalDB = nil
panic(fmt.Errorf("failed to connect to database, err %v\n", err))
}
} else {
globalDB.SetMaxIdleConns(threads + acThreads + 1)
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