public static void RunWrap(string url)
{
Console.WriteLine("RunWrap");
var tikvDb = new DatabaseTikv(url);
var table = tikvDb.OpenTable("_testtable_");
var key = Zeze.Serialize.ByteBuffer.Allocate(64);
key.WriteString("key");
var value = Zeze.Serialize.ByteBuffer.Allocate(64);
//value.WriteString("value");
var outvalue = table.Find(key);
Console.WriteLine("Find1 " + outvalue);
tikvDb.Flush(null,
() =>
{
table.Replace(key, value);
});
outvalue = table.Find(key);
Console.WriteLine("Find2 " + outvalue);
tikvDb.Flush(null,
() =>
{
table.Remove(key);
});
outvalue = table.Find(key);
Console.WriteLine("Find3 " + outvalue);
}
public static void RunScan(string url)
{
Console.WriteLine("RunScan");
// for keyprefix
var tikvDb = new DatabaseTikv(url);
var table = tikvDb.OpenTable("_testtable_") as DatabaseTikv.TableTikv;
// prepare data
var key = Zeze.Serialize.ByteBuffer.Allocate(64);
key.WriteString("key");
var value = Zeze.Serialize.ByteBuffer.Allocate(64);
value.WriteString("value");
tikvDb.Flush(null,
() =>
{
table.Replace(key, value);
});
var outvalue = table.Find(key);
Console.WriteLine("Scan Find1 " + outvalue);
// connect an begin transaction
table.Walk(
(key, value) =>
{
Console.WriteLine($"Scan Callback: {BitConverter.ToString(key)}=>{BitConverter.ToString(value)}");
return(true);
});
}
public TableTikv(DatabaseTikv database, string name)
{
Database = database;
Name = name;
var nameutf8 = Encoding.UTF8.GetBytes(name);
KeyPrefix = ByteBuffer.Allocate(nameutf8.Length + 1);
KeyPrefix.Append(nameutf8);
KeyPrefix.WriteByte(0);
}
public OperatesTikv(DatabaseTikv tikv)
{
Database = tikv;
}