/// <summary>
/// 运行
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cmdRun_Click(object sender, EventArgs e)
{
var map = new BsonJavaScript(ctlMapFunction.Context);
var reduce = new BsonJavaScript(ctlReduceFunction.Context);
//TODO:这里可能会超时，失去响应
//需要设置SocketTimeOut
MapReduceArgs args = new MapReduceArgs();
args.MapFunction = map;
args.ReduceFunction = reduce;
MapReduceResult mMapReduceResult = SystemManager.GetCurrentCollection().MapReduce(args);
MongoDbHelper.FillDataToTreeView("MapReduce Result", trvResult, mMapReduceResult.Response);
trvResult.DatatreeView.BeginUpdate();
trvResult.DatatreeView.ExpandAll();
trvResult.DatatreeView.EndUpdate();
}
/// <summary>
/// 运行
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cmdRun_Click(object sender, EventArgs e)
{
var map = new BsonJavaScript(ctlMapFunction.Context);
var reduce = new BsonJavaScript(ctlReduceFunction.Context);
//TODO:这里可能会超时，失去响应
//需要设置SocketTimeOut
var args = new MapReduceArgs();
args.MapFunction = map;
args.ReduceFunction = reduce;
try
{
var mMapReduceResult = RuntimeMongoDbContext.GetCurrentCollection().MapReduce(args);
UiHelper.FillDataToTreeView("MapReduce Result", trvResult, mMapReduceResult.Response);
trvResult.DatatreeView.BeginUpdate();
trvResult.DatatreeView.ExpandAll();
trvResult.DatatreeView.EndUpdate();
}
catch (Exception ex)
{
Utility.ExceptionDeal(ex);
}
}
/// <summary>
/// 运行
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cmdRun_Click(object sender, EventArgs e)
{
var map = new BsonJavaScript(ctlMapFunction.Context);
var reduce = new BsonJavaScript(ctlReduceFunction.Context);
//TODO:这里可能会超时，失去响应
//需要设置SocketTimeOut
var args = new MapReduceArgs();
args.MapFunction = map;
args.ReduceFunction = reduce;
if (!string.IsNullOrEmpty(ctlFinalizeFunction.Context))
{
args.FinalizeFunction = new BsonJavaScript(ctlFinalizeFunction.Context);
}
args.OutputMode = (MapReduceOutputMode)cmbOutputMode.SelectedIndex;
if (!string.IsNullOrEmpty(txtOutputCollectionName.Text)) args.OutputCollectionName = txtOutputCollectionName.Text;
if (NumLimit.Value != 0) args.Limit = (long)NumLimit.Value;
args.JsMode = chkjsMode.Checked;
args.Verbose = chkverbose.Checked;
args.BypassDocumentValidation = chkbypassDocumentValidation.Checked;
if (QueryDoc != null) args.Query = new QueryDocument(QueryDoc);
if (mCollation != null) args.Collation = mCollation;
try
{
var mMapReduceResult = RuntimeMongoDbContext.GetCurrentCollection().MapReduce(args);
var frm = new frmDataView();
frm.ShowDocument = mMapReduceResult.Response;
frm.Title = "MapReduce Result";
UIAssistant.OpenModalForm(frm, true, true);
}
catch (Exception ex)
{
Utility.ExceptionDeal(ex);
}
}
public void TestMapReduceInlineWithMaxTime()
{
if (_primary.Supports(FeatureId.MaxTime))
{
using (var failpoint = new FailPoint(FailPointName.MaxTimeAlwaysTimeout, _server, _primary))
{
if (failpoint.IsSupported())
{
_collection.RemoveAll();
_collection.Insert(new BsonDocument("x", 1)); // make sure collection has at least one document so map gets called
failpoint.SetAlwaysOn();
var args = new MapReduceArgs
{
MapFunction = "function() { }",
ReduceFunction = "function(key, value) { return 0; }",
MaxTime = TimeSpan.FromMilliseconds(1)
};
Assert.Throws<ExecutionTimeoutException>(() => _collection.MapReduce(args));
}
}
}
}
protected override void BeginProcessing()
{
var mc = TargetCollection.Collection as MongoCollection;
if (mc == null) ThrowNotImplementedForFiles("MapReduce");
var args = new MapReduceArgs();
args.JsMode = JSMode;
args.MapFunction = new BsonJavaScript(Function[0]);
args.ReduceFunction = new BsonJavaScript(Function[1]);
if (Function.Length == 3)
args.FinalizeFunction = new BsonJavaScript(Function[2]);
if (_Query != null)
args.Query = _Query;
if (_SortBy != null)
args.SortBy = _SortBy;
if (First > 0)
args.Limit = First;
if (Scope != null)
args.Scope = new ScopeDocument(Scope);
if (!string.IsNullOrEmpty(OutCollection) && OutMode == MapReduceOutputMode.Inline)
OutMode = MapReduceOutputMode.Replace;
// output
args.OutputMode = OutMode;
args.OutputDatabaseName = OutDatabase;
args.OutputCollectionName = OutCollection;
var result = mc.MapReduce(args);
if (ResultVariable != null)
SessionState.PSVariable.Set(ResultVariable, result);
if (OutMode != MapReduceOutputMode.Inline)
return;
var documentAs = _ParameterAs ?? new ParameterAs(null);
//_131018_160000
foreach (var it in result.GetInlineResultsAs(documentAs.Type))
WriteObject(it);
}
public void TestMapReduceWriteConcern()
{
RequireServer.Check().Supports(Feature.CommandsThatWriteAcceptWriteConcern).ClusterType(ClusterType.ReplicaSet);
_collection.Drop();
_collection.Insert(new BsonDocument { { "A", 1 }, { "B", 2 } });
_collection.Insert(new BsonDocument { { "B", 1 }, { "C", 2 } });
_collection.Insert(new BsonDocument { { "X", 1 }, { "B", 2 } });
var writeConcern = new WriteConcern(9);
var map =
"function() {\n" +
" for (var key in this) {\n" +
" emit(key, {count : 1});\n" +
" }\n" +
"}\n";
var reduce =
"function(key, emits) {\n" +
" total = 0;\n" +
" for (var i in emits) {\n" +
" total += emits[i].count;\n" +
" }\n" +
" return {count : total};\n" +
"}\n";
var args = new MapReduceArgs
{
BypassDocumentValidation = true,
MapFunction = map,
ReduceFunction = reduce,
OutputMode = MapReduceOutputMode.Replace,
OutputCollectionName = "mrout"
};
var exception = Record.Exception(() => _collection.WithWriteConcern(writeConcern).MapReduce(args));
exception.Should().BeOfType<MongoWriteConcernException>();
}
