func (this *Inspector) InitDBConnections() (err error) {
inspectorUri := this.connectionConfig.GetDBUri(this.migrationContext.DatabaseName)
if this.db, _, err = sqlutils.GetDB(inspectorUri); err != nil {
return err
}
if err := this.validateConnection(); err != nil {
return err
}
if impliedKey, err := mysql.GetInstanceKey(this.db); err != nil {
return err
} else {
this.connectionConfig.ImpliedKey = impliedKey
}
if err := this.validateGrants(); err != nil {
return err
}
// if err := this.restartReplication(); err != nil {
// return err
// }
if err := this.validateBinlogs(); err != nil {
return err
}
if err := this.applyBinlogFormat(); err != nil {
return err
}
return nil
}
func (this *Applier) InitDBConnections() (err error) {
applierUri := this.connectionConfig.GetDBUri(this.migrationContext.DatabaseName)
if this.db, _, err = sqlutils.GetDB(applierUri); err != nil {
return err
}
singletonApplierUri := fmt.Sprintf("%s?timeout=0", applierUri)
if this.singletonDB, _, err = sqlutils.GetDB(singletonApplierUri); err != nil {
return err
}
this.singletonDB.SetMaxOpenConns(1)
if err := this.validateConnection(this.db); err != nil {
return err
}
if err := this.validateConnection(this.singletonDB); err != nil {
return err
}
if impliedKey, err := mysql.GetInstanceKey(this.db); err != nil {
return err
} else {
this.connectionConfig.ImpliedKey = impliedKey
}
return nil
}