Distant Horizons•4mo ago

Any way to merge .sqlite files?

Hey, I've been playing on a server for some time, then I changed server name on my multiplayer servers list and I didn't realize it abandoned previous files and started generating new LODs :BRUH: is there a way I can merge two .sqlite files with already explored terrains into one file?

8 Replies

Miki_P98•4mo ago

Yes E.g - You can open the 2 DB files in python - Select all LODs from one - Insert if not exists to the second one Google Python SQLite and SQL w3school

?OP•4mo ago

Uh, I know nothing about Python but I used to create applications in C#, is that possible to do in C# ? Or C++ ?

majo24•4mo ago

Yea, there are sqlite libraries for almost every language

Miki_P98•4mo ago

For sure, but knowing C++ it will be much much harder

?OP•4mo ago

Give me some time, I am trying on some C# solution :Loading:

command.CommandText = "select * from DistantHorizons"; // no such table as "DistantHorizons"

command.CommandText = "select * from DistantHorizons"; // no such table as "DistantHorizons"

Thank you @majo24@Miki_P98 I am close to create something in C# but I don't know much about SQL, how can I know what's the table name? I get exception errors because no such table exists and I dunno what are table names in the .sqlite file

majo24•4mo ago

You can use a DB Viewer to take a closer look at the Databases, but the table you wanna target is named FullData iirc

?OP•4mo ago

using System;
using Microsoft.Data.Sqlite;

namespace merge_databases
{
    internal class Program
    {
        static void Main()
        {
            using SqliteConnection //oldDb = new(@"Data Source=C:\Users\0x3F\AppData\Roaming\.minecraft\Distant_Horizons_server_data\MERGE_OLD\overworld\DistantHorizons.sqlite"),
                newDb = new(@"Data Source=C:\Users\0x3F\AppData\Roaming\.minecraft\Distant_Horizons_server_data\MERGE_NEW\overworld\DistantHorizons.sqlite");
            //oldDb.Open();
            newDb.Open();

            SqliteCommand command = newDb.CreateCommand();
            command.CommandText = "SELECT * FROM FullData";

            using SqliteDataReader reader = command.ExecuteReader();
            
            while(reader.Read())
            {
                Console.Write(reader.GetString(0));
            }

            Console.ReadKey();
        }
    }
}

using System;
using Microsoft.Data.Sqlite;

namespace merge_databases
{
    internal class Program
    {
        static void Main()
        {
            using SqliteConnection //oldDb = new(@"Data Source=C:\Users\0x3F\AppData\Roaming\.minecraft\Distant_Horizons_server_data\MERGE_OLD\overworld\DistantHorizons.sqlite"),
                newDb = new(@"Data Source=C:\Users\0x3F\AppData\Roaming\.minecraft\Distant_Horizons_server_data\MERGE_NEW\overworld\DistantHorizons.sqlite");
            //oldDb.Open();
            newDb.Open();

            SqliteCommand command = newDb.CreateCommand();
            command.CommandText = "SELECT * FROM FullData";

            using SqliteDataReader reader = command.ExecuteReader();
            
            while(reader.Read())
            {
                Console.Write(reader.GetString(0));
            }

            Console.ReadKey();
        }
    }
}

Okay, well... I was able to open the database and read some data but I get hundreds of "random" digits I have no idea what to do with... I think it'd be easier if I'll just re-explore the terrain I explored after renaming the server, it would be a 20-30 mins hustle but I have a feeling programming a merging tool would take me days... So I think it's possible but not worth efforts in my case, anyway, thank you a lot for your assistance! @majo24 Unfortunately I don't see a "Unsolved" or "Not resolved" tag to mark this post as unresolved

BackSun•4mo ago

I don't have the time today but I was able to get screenshots of most of the steps (right up to inserting the Data from table 1 into table 2). You can do it all via DB Browser, you don't need to write any custom programs or anything.

Partial_Sqlite_Merge...

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Any way to merge .sqlite files?