public async Task SimpleExecuteMultipleQueriesTest() { var queryService = Common.GetPrimedExecutionService(Common.StandardTestDataSet, true, false, false, null); var queryParams = new SimpleExecuteParams { OwnerUri = Constants.OwnerUri, QueryString = Constants.StandardQuery }; var efv1 = new EventFlowValidator <SimpleExecuteResult>() .AddSimpleExecuteQueryResultValidator(Common.StandardTestDataSet) .Complete(); var efv2 = new EventFlowValidator <SimpleExecuteResult>() .AddSimpleExecuteQueryResultValidator(Common.StandardTestDataSet) .Complete(); Task qT1 = queryService.HandleSimpleExecuteRequest(queryParams, efv1.Object); Task qT2 = queryService.HandleSimpleExecuteRequest(queryParams, efv2.Object); await Task.WhenAll(qT1, qT2); await Task.WhenAll(queryService.ActiveSimpleExecuteRequests.Values); var queries = queryService.ActiveQueries.Values.ToArray(); var queryTasks = queries.Select(query => query.ExecutionTask); await Task.WhenAll(queryTasks); efv1.Validate(); efv2.Validate(); Assert.Equal(0, queryService.ActiveQueries.Count); }
// TODO https://github.com/Microsoft/vscode-mssql/issues/1003 reenable and make non-flaky // [Fact] public async Task SimpleExecuteErrorWithNoResultsTest() { var queryService = Common.GetPrimedExecutionService(null, true, false, false, null); var queryParams = new SimpleExecuteParams { OwnerUri = Constants.OwnerUri, QueryString = Constants.StandardQuery }; var efv = new EventFlowValidator <SimpleExecuteResult>() .AddSimpleExecuteErrorValidator(SR.QueryServiceResultSetHasNoResults) .Complete(); await queryService.HandleSimpleExecuteRequest(queryParams, efv.Object); await Task.WhenAll(queryService.ActiveSimpleExecuteRequests.Values); Query q = queryService.ActiveQueries.Values.First(); Assert.NotNull(q); q.ExecutionTask.Wait(); efv.Validate(); Assert.Equal(0, queryService.ActiveQueries.Count); }
public async Task SimpleExecuteVerifyResultsTest() { var queryService = Common.GetPrimedExecutionService(Common.StandardTestDataSet, true, false, null); var queryParams = new SimpleExecuteParams { OwnerUri = Constants.OwnerUri, QueryString = Constants.StandardQuery }; var efv = new EventFlowValidator <SimpleExecuteResult>() .AddSimpleExecuteQueryResultValidator(Common.StandardTestDataSet) .Complete(); await queryService.HandleSimpleExecuteRequest(queryParams, efv.Object); Query q; queryService.ActiveQueries.TryGetValue(Constants.OwnerUri, out q); // wait on the task to finish q.ExecutionTask.Wait(); efv.Validate(); Assert.Equal(0, queryService.ActiveQueries.Count); }
/// <summary> /// Handles a request to execute a string and return the result /// </summary> internal async Task HandleSimpleExecuteRequest(SimpleExecuteParams executeParams, RequestContext <SimpleExecuteResult> requestContext) { try { string randomUri = Guid.NewGuid().ToString(); ExecuteStringParams executeStringParams = new ExecuteStringParams { Query = executeParams.QueryString, // generate guid as the owner uri to make sure every query is unique OwnerUri = randomUri }; // get connection ConnectionInfo connInfo; if (!ConnectionService.TryFindConnection(executeParams.OwnerUri, out connInfo)) { await requestContext.SendError(SR.QueryServiceQueryInvalidOwnerUri); return; } ConnectParams connectParams = new ConnectParams { OwnerUri = randomUri, Connection = connInfo.ConnectionDetails, Type = ConnectionType.Default }; Task workTask = Task.Run(async() => { await ConnectionService.Connect(connectParams); ConnectionInfo newConn; ConnectionService.TryFindConnection(randomUri, out newConn); Func <string, Task> queryCreateFailureAction = message => requestContext.SendError(message); ResultOnlyContext <SimpleExecuteResult> newContext = new ResultOnlyContext <SimpleExecuteResult>(requestContext); // handle sending event back when the query completes Query.QueryAsyncEventHandler queryComplete = async query => { try { // check to make sure any results were recieved if (query.Batches.Length == 0 || query.Batches[0].ResultSets.Count == 0) { await requestContext.SendError(SR.QueryServiceResultSetHasNoResults); return; } long rowCount = query.Batches[0].ResultSets[0].RowCount; // check to make sure there is a safe amount of rows to load into memory if (rowCount > Int32.MaxValue) { await requestContext.SendError(SR.QueryServiceResultSetTooLarge); return; } SimpleExecuteResult result = new SimpleExecuteResult { RowCount = rowCount, ColumnInfo = query.Batches[0].ResultSets[0].Columns, Rows = new DbCellValue[0][] }; if (rowCount > 0) { SubsetParams subsetRequestParams = new SubsetParams { OwnerUri = randomUri, BatchIndex = 0, ResultSetIndex = 0, RowsStartIndex = 0, RowsCount = Convert.ToInt32(rowCount) }; // get the data to send back ResultSetSubset subset = await InterServiceResultSubset(subsetRequestParams); result.Rows = subset.Rows; } await requestContext.SendResult(result); } finally { Query removedQuery; Task removedTask; // remove the active query since we are done with it ActiveQueries.TryRemove(randomUri, out removedQuery); ActiveSimpleExecuteRequests.TryRemove(randomUri, out removedTask); ConnectionService.Disconnect(new DisconnectParams() { OwnerUri = randomUri, Type = null }); } }; // handle sending error back when query fails Query.QueryAsyncErrorEventHandler queryFail = async(q, e) => { await requestContext.SendError(e); }; await InterServiceExecuteQuery(executeStringParams, newConn, newContext, null, queryCreateFailureAction, queryComplete, queryFail); }); ActiveSimpleExecuteRequests.TryAdd(randomUri, workTask); } catch (Exception ex) { await requestContext.SendError(ex.ToString()); } }
/// <summary> /// Handles a request to execute a string and return the result /// </summary> internal Task HandleSimpleExecuteRequest(SimpleExecuteParams executeParams, RequestContext <SimpleExecuteResult> requestContext) { ExecuteStringParams executeStringParams = new ExecuteStringParams { Query = executeParams.QueryString, // generate guid as the owner uri to make sure every query is unique OwnerUri = Guid.NewGuid().ToString() }; // get connection ConnectionInfo connInfo; if (!ConnectionService.TryFindConnection(executeParams.OwnerUri, out connInfo)) { return(requestContext.SendError(SR.QueryServiceQueryInvalidOwnerUri)); } if (connInfo.ConnectionDetails.MultipleActiveResultSets == null || connInfo.ConnectionDetails.MultipleActiveResultSets == false) { // if multipleActive result sets is not allowed, don't specific a connection and make the ownerURI the true owneruri connInfo = null; executeStringParams.OwnerUri = executeParams.OwnerUri; } Func <string, Task> queryCreateFailureAction = message => requestContext.SendError(message); ResultOnlyContext <SimpleExecuteResult> newContext = new ResultOnlyContext <SimpleExecuteResult>(requestContext); // handle sending event back when the query completes Query.QueryAsyncEventHandler queryComplete = async q => { Query removedQuery; // check to make sure any results were recieved if (q.Batches.Length == 0 || q.Batches[0].ResultSets.Count == 0) { await requestContext.SendError(SR.QueryServiceResultSetHasNoResults); ActiveQueries.TryRemove(executeStringParams.OwnerUri, out removedQuery); return; } var rowCount = q.Batches[0].ResultSets[0].RowCount; // check to make sure there is a safe amount of rows to load into memory if (rowCount > Int32.MaxValue) { await requestContext.SendError(SR.QueryServiceResultSetTooLarge); ActiveQueries.TryRemove(executeStringParams.OwnerUri, out removedQuery); return; } SubsetParams subsetRequestParams = new SubsetParams { OwnerUri = executeStringParams.OwnerUri, BatchIndex = 0, ResultSetIndex = 0, RowsStartIndex = 0, RowsCount = Convert.ToInt32(rowCount) }; // get the data to send back ResultSetSubset subset = await InterServiceResultSubset(subsetRequestParams); SimpleExecuteResult result = new SimpleExecuteResult { RowCount = q.Batches[0].ResultSets[0].RowCount, ColumnInfo = q.Batches[0].ResultSets[0].Columns, Rows = subset.Rows }; await requestContext.SendResult(result); // remove the active query since we are done with it ActiveQueries.TryRemove(executeStringParams.OwnerUri, out removedQuery); }; // handle sending error back when query fails Query.QueryAsyncErrorEventHandler queryFail = async(q, e) => { await requestContext.SendError(e); }; return(InterServiceExecuteQuery(executeStringParams, connInfo, newContext, null, queryCreateFailureAction, queryComplete, queryFail)); }