public void TestCompare()
{
var path = CleanTestDB();
var options = new Options {
CreateIfMissing = true
};
options.Comparator = Comparator.Create(
"integers mod 2",
(xs, ys) => LexicographicalCompare(((NativeArray <int>)xs).Select(x => x % 2),
((NativeArray <int>)ys).Select(y => y % 2)));
using (var db = new DB(options, path))
{
db.Put(1, new[] { 1, 2, 3 }, new WriteOptions());
Console.WriteLine("put 1, [1,2,3]");
var key = NativeArray.FromArray(new int[] { 3 });
using (var xs = db.GetRaw <int>(key))
{
Console.WriteLine("get {0} => [{1}]", key[0], string.Join(",", xs));
Assert.IsTrue(
new[] { 1, 2, 3 }.Zip(xs, (x, y) => x == y)
.All(b => b)
);
}
}
}
public ChromiumDbWrapper(string directory)
{
_comparator = Comparator.Create("idb_cmp1",
(xs, ys) => Compare(new StringPiece(xs), new StringPiece(ys), false));
_options = new Options {
Comparator = _comparator
};
_levelDb = new LevelDbUtils.LevelDb(_options, directory);
}
static public void TestCompare()
{
var path = CleanTestDB();
var options = new Options {
CreateIfMissing = true
};
options.Comparator = Comparator.Create(
"integers mod 2",
(xs, ys) => LexicographicalCompare(((NativeArray <int>)xs).Select(x => fun(x)),
((NativeArray <int>)ys).Select(y => fun(y))));
object[] o = { 1, "1", "2" };
string s0 = o.ToString();
string s01 = string.Join(",", o);
object[] o1 = { "1,1", "2", "2" };
object[] o2 = { "1", "1,2", "2" };
string s1 = o1.ToString();
string s2 = o2.ToString();
string s11 = string.Join(",", o1);
string s21 = string.Join(",", o2);
using (var db = new DB(options, path))
{
byte[] tt = new byte[10];
byte[] t = BitConverter.GetBytes(1234);
db.Put(BitConverter.GetBytes(1234), System.Text.Encoding.Default.GetBytes("this is a test string."));
db.Put(BitConverter.GetBytes(123), BitConverter.GetBytes(1234));
byte[] ret = db.Get(BitConverter.GetBytes(123));
byte[] ret2 = db.Get(BitConverter.GetBytes(1234));
int i1 = BitConverter.ToInt32(ret, 0);
string str1 = System.Text.Encoding.ASCII.GetString(ret2);
db.Put(1, new[] { 1, 2, 3 }, new WriteOptions());
db.Put(3, new[] { 10, 20, 30 }, new WriteOptions());
Console.WriteLine("put 1, [1,2,3]");
Console.WriteLine("get 1:" + db.Get(1));
Console.WriteLine("get 3:" + db.Get(3));
Console.WriteLine("get 5:" + db.Get(5));
var key = NativeArray.FromArray(new int[] { 3 });
using (var xs = db.GetRaw <int>(key))
{
int[] arr = xs.ToArray();
string s = string.Format("get {0} => [{1}]", key[0], string.Join(",", xs));
Console.WriteLine("get {0} => [{1}]", key[0], string.Join(",", xs));
}
}
}
