public void DropCollection_Test()
{
using (var file = new TempFile())
using (var db = new LiteEngine(file.Filename))
{
Assert.IsFalse(db.GetCollectionNames().Any(x => x == "col"));
db.Insert("col", new BsonDocument { { "a", 1 } });
Assert.IsTrue(db.GetCollectionNames().Any(x => x == "col"));
db.DropCollection("col");
Assert.IsFalse(db.GetCollectionNames().Any(x => x == "col"));
}
}
/// <summary>
/// Read all colleciton, indexes and documents inside current datafile
/// Drop per index, per collection and shrink
/// This steps will check/validate all file data
/// </summary>
private void CheckIntegrity()
{
using (var db = new LiteEngine(this.Filename))
{
var cols = db.GetCollectionNames().ToArray();
foreach (var col in cols)
{
var indexes = db.GetIndexes(col).ToArray();
foreach (var idx in indexes)
{
var q = db.Find(col, Query.All(idx.Field));
foreach (var doc in q)
{
// document are ok!
}
// lets drop this index (if not _id)
if (idx.Field != "_id")
{
db.DropIndex(col, idx.Field);
}
}
// and drop collection
db.DropCollection(col);
}
// and now shrink
db.Shrink();
}
}
public void DropCollection()
{
using (var file = new TempFile())
using (var db = new LiteEngine(file.Filename))
{
Assert.IsFalse(db.GetCollectionNames().Any(x => x == "col"));
db.Insert("col", new BsonDocument {
{ "a", 1 }
});
Assert.IsTrue(db.GetCollectionNames().Any(x => x == "col"));
db.DropCollection("col");
Assert.IsFalse(db.GetCollectionNames().Any(x => x == "col"));
}
}
public void Execute(LiteEngine engine, StringScanner s, Display display, InputCommand input, Env env)
{
var cols = engine.GetCollectionNames().OrderBy(x => x).ToArray();
if (cols.Length > 0)
{
display.WriteLine(ConsoleColor.Cyan, string.Join(Environment.NewLine, cols));
}
}
public void Execute(LiteEngine engine, StringScanner s, Display display, InputCommand input, Env env)
{
var cols = engine.GetCollectionNames().OrderBy(x => x).ToArray();
if (cols.Length > 0)
{
display.WriteLine(ConsoleColor.Cyan, string.Join(Environment.NewLine, cols));
}
}
public void Execute(LiteEngine engine, StringScanner s, Display display, InputCommand input, Env env)
{
if (engine == null)
{
display.WriteError("No database file currently open.");
return;
}
var cols = engine.GetCollectionNames().OrderBy(x => x).ToArray();
if (cols.Length > 0)
{
display.WriteLine(ConsoleColor.Cyan, string.Join(Environment.NewLine, cols));
}
}
static void Main(string[] args)
{
var orig = @"C:\Git\LiteDB\LiteDB.Shell\bin\Debug\net40\teste.db";
using (var db = new LiteEngine(orig))
{
var col = db.GetCollectionNames().First();
var tt = db.FindAll(col).ToArray();
var c = db.FindOne("DataObjects_1", Query.EQ("_id", "qyeyeW.1oMJK5"));
Console.WriteLine(c == null);
}
//{
// // reading all database
// foreach (var col in db.GetCollectionNames())
// {
// Console.WriteLine("Collection: " + col);
//
//
// foreach (var doc in db.Find(col, Query.All("Token.LastUsedOn")).Take(10))
// {
// Console.WriteLine(JsonSerializer.Serialize(doc, true));
// // ok
// }
// }
//}
Console.WriteLine("End.");
Console.ReadKey();
}
