SQLite 3 UE4 C++

void AAI_Monster::loadMonsterListStrutData(){

    if (!ReloadMonsterList)return;

    //begin Build Databale String
    int32 result = 0;
    FString SQLQuery = "";
    FString TableString;
    TArray<FString> err;
    if (MobListSelection.Num() == 0)MobListSelection.Add(FDataTableRowHandle());
    TableString = FString(",MonsterID,MonsterName,ActorData,ClassData\n");

    if (MOB_LowLimit > MOB_HighLimit)MOB_HighLimit = MOB_LowLimit;
    if (MOB_HighLimit< MOB_HighLimit)MOB_HighLimit = MOB_LowLimit;

    ReloadMonsterList = false;

    if (RPG_DATABASE_CONTROLLER == nullptr)RPG_DATABASE_CONTROLLER = NewObject<URPG_Database>(this, URPG_Database::StaticClass());
    if (!OpenDatabase(SourceDataBase))return;
    SQLQuery = "Select MonsterID,Name,LEVEL,MonsterConfig,(select CLS_Config_BP from classes where classes.classid=Monsters.classid ) as ClassConfig from Monsters where LEVEL between "
        + FString::FromInt(MOB_LowLimit)
        +" and "
        + FString::FromInt(MOB_HighLimit)
        +";";

    result = RPG_DATABASE_CONTROLLER->BP_Query(SQLQuery);

    if (result == 0 || RPG_DATABASE_CONTROLLER->BP_EndOResult(result))
    {
        if (result)RPG_DATABASE_CONTROLLER->BP_ClearResult(result);
        RPG_DATABASE_CONTROLLER->BP_CloseDatabase();
        return;
    }
    else{

        while (!RPG_DATABASE_CONTROLLER->BP_EndOResult(result))
        {

            FString Label = FString(*RPG_DATABASE_CONTROLLER->BP_GetColumn(result, "LEVEL")) + "_" + FString(*RPG_DATABASE_CONTROLLER->BP_GetColumn(result, "Name"));
            FString MonsterID = (*RPG_DATABASE_CONTROLLER->BP_GetColumn(result, "MonsterID"));
            FString MonsterName = (*RPG_DATABASE_CONTROLLER->BP_GetColumn(result, "Name"));
            FString Mesh = (*RPG_DATABASE_CONTROLLER->BP_GetColumn(result, "MonsterConfig"));
            FString Animation = (*RPG_DATABASE_CONTROLLER->BP_GetColumn(result, "ClassConfig"));

            TableString += FString(Label + "," + MonsterID + "," + MonsterName + "," + Mesh + "," + Animation + "\n");

            RPG_DATABASE_CONTROLLER->BP_NextRow(result);
        }
    }

    if (result)RPG_DATABASE_CONTROLLER->BP_ClearResult(result);
    RPG_DATABASE_CONTROLLER->BP_CloseDatabase();
    if (mobDatatable == nullptr)mobDatatable = NewObject<UDataTable>(this, "mobDatatable");

    mobDatatable->RowStruct = FMonsterListDataTableTmp().StaticStruct();
#if WITH_EDITORONLY_DATA
    err = mobDatatable->CreateTableFromCSVString(TableString);
#endif
    if (err.Num() > 0)
    {
        for (FString tmp : err)UE_LOG(LogTemp, Error, TEXT("%s"), *tmp);
    }
    else{
        MobListSelection[0].DataTable = mobDatatable;
    }
    //mobDatatable = nullptr;
}

//Load presentation data for the launcher
bool AAI_Monster::LoadLauncherTableData(){
    if (!LoadSelectedData)return false;
    if (MobListSelection.Num()==0)return false;
    if (MobListSelection[0].DataTable == nullptr)return false;
    static const FString ContextString(TEXT("GENERAL"));
    FMonsterListDataTableTmp* monsterStr = MobListSelection[0].DataTable->FindRow<FMonsterListDataTableTmp>(MobListSelection[0].RowName, ContextString);
    if (monsterStr == nullptr)return false;
    Name = monsterStr->MonsterName;
    LoadedMobData.ActorData = monsterStr->ActorData;
    LoadedMobData.ClassData = monsterStr->ClassData;
    LoadedMobData.MonsterID = monsterStr->MonsterID;
    LoadedMobData.MonsterName = monsterStr->MonsterName;
    LoadSelectedData = false;
    return true;
}