protected override void InitExec( string aliasName, StatementSpecCompiled spec, StatementRawInfo statementRawInfo, StatementCompileTimeServices services) { StreamTypeServiceImpl assignmentTypeService = new StreamTypeServiceImpl( new EventType[] { processor.EventTypeRspInputEvents, null, processor.EventTypeRspInputEvents }, new string[] {aliasName, "", INITIAL_VALUE_STREAM_NAME}, new bool[] {true, true, true}, true, false); assignmentTypeService.IsStreamZeroUnambigous = true; ExprValidationContext validationContext = new ExprValidationContextBuilder(assignmentTypeService, statementRawInfo, services) .WithAllowBindingConsumption(true) .Build(); // validate update expressions FireAndForgetSpecUpdate updateSpec = (FireAndForgetSpecUpdate) spec.Raw.FireAndForgetSpec; try { foreach (OnTriggerSetAssignment assignment in updateSpec.Assignments) { ExprNode validated = ExprNodeUtilityValidate.GetValidatedSubtree( ExprNodeOrigin.UPDATEASSIGN, assignment.Expression, validationContext); assignment.Expression = validated; EPStatementStartMethodHelperValidate.ValidateNoAggregations( validated, "Aggregation functions may not be used within an update-clause"); } } catch (ExprValidationException e) { throw new EPException(e.Message, e); } // make updater //TableUpdateStrategy tableUpdateStrategy = null; try { bool copyOnWrite = processor is FireAndForgetProcessorNamedWindowForge; updateHelper = EventBeanUpdateHelperForgeFactory.Make( processor.NamedWindowOrTableName, (EventTypeSPI) processor.EventTypeRspInputEvents, updateSpec.Assignments, aliasName, null, copyOnWrite, statementRawInfo.StatementName, services.EventTypeAvroHandler); } catch (ExprValidationException e) { throw new EPException(e.Message, e); } }
public InfraOnMergeActionUpdForge( ExprNode optionalFilter, EventBeanUpdateHelperForge updateHelper, TableMetaData table) : base(optionalFilter) { _updateHelper = updateHelper; _table = table; }
public StatementAgentInstanceFactoryOnTriggerInfraUpdateForge( ViewableActivatorForge activator, EventType resultEventType, IDictionary<ExprSubselectNode, SubSelectFactoryForge> subselects, IDictionary<ExprTableAccessNode, ExprTableEvalStrategyFactoryForge> tableAccesses, string nonSelectRSPProviderClassName, NamedWindowMetaData namedWindow, TableMetaData table, SubordinateWMatchExprQueryPlanForge queryPlanForge, EventBeanUpdateHelperForge updateHelperForge) : base( activator, resultEventType, subselects, tableAccesses, nonSelectRSPProviderClassName, namedWindow, table, queryPlanForge) { this.updateHelperForge = updateHelperForge; }
public InfraOnMergeHelperForge( OnTriggerMergeDesc onTriggerDesc, EventType triggeringEventType, string triggeringStreamName, string infraName, EventTypeSPI infraEventType, StatementRawInfo statementRawInfo, StatementCompileTimeServices services, TableMetaData table) { matched = new List<InfraOnMergeMatchForge>(); unmatched = new List<InfraOnMergeMatchForge>(); var count = 1; var hasDeleteAction = false; var hasInsertIntoTableAction = false; var hasUpdateAction = false; foreach (var matchedItem in onTriggerDesc.Items) { IList<InfraOnMergeActionForge> actions = new List<InfraOnMergeActionForge>(); foreach (OnTriggerMergeAction item in matchedItem.Actions) { try { if (item is OnTriggerMergeActionInsert) { var insertDesc = (OnTriggerMergeActionInsert) item; var forge = SetupInsert( infraName, infraEventType, insertDesc, triggeringEventType, triggeringStreamName, statementRawInfo, services, table != null); actions.Add(forge); hasInsertIntoTableAction = forge.InsertIntoTable != null; } else if (item is OnTriggerMergeActionUpdate) { var updateDesc = (OnTriggerMergeActionUpdate) item; EventBeanUpdateHelperForge updateHelper = EventBeanUpdateHelperForgeFactory.Make( infraName, infraEventType, updateDesc.Assignments, onTriggerDesc.OptionalAsName, triggeringEventType, true, statementRawInfo.StatementName, services.EventTypeAvroHandler); ExprNode filterEval = updateDesc.OptionalWhereClause; if (table != null) { TableUpdateStrategyFactory.ValidateTableUpdateOnMerge( table, updateHelper.UpdateItemsPropertyNames); } var forge = new InfraOnMergeActionUpdForge(filterEval, updateHelper, table); actions.Add(forge); hasUpdateAction = true; } else if (item is OnTriggerMergeActionDelete) { var deleteDesc = (OnTriggerMergeActionDelete) item; ExprNode filterEval = deleteDesc.OptionalWhereClause; actions.Add(new InfraOnMergeActionDelForge(filterEval)); hasDeleteAction = true; } else { throw new ArgumentException("Invalid type of merge item '" + item.GetType() + "'"); } count++; } catch (Exception ex) when (ex is ExprValidationException || ex is EPException) { var isNot = item is OnTriggerMergeActionInsert; var message = "Validation failed in when-" + (isNot ? "not-" : "") + "matched (clause " + count + "): " + ex.Message; throw new ExprValidationException(message, ex); } } if (matchedItem.IsMatchedUnmatched) { matched.Add(new InfraOnMergeMatchForge(matchedItem.OptionalMatchCond, actions)); } else { unmatched.Add(new InfraOnMergeMatchForge(matchedItem.OptionalMatchCond, actions)); } } if (onTriggerDesc.OptionalInsertNoMatch != null) { insertUnmatched = SetupInsert( infraName, infraEventType, onTriggerDesc.OptionalInsertNoMatch, triggeringEventType, triggeringStreamName, statementRawInfo, services, table != null); } requiresTableWriteLock = hasDeleteAction || hasInsertIntoTableAction || hasUpdateAction; }
public static OnTriggerPlan HandleContextFactoryOnTrigger( string className, CodegenNamespaceScope namespaceScope, string classPostfix, NamedWindowMetaData namedWindow, TableMetaData table, OnTriggerWindowPlan planDesc, StatementBaseInfo @base, StatementCompileTimeServices services) { // validate context var infraName = planDesc.OnTriggerDesc.WindowName; var infraTitle = (namedWindow != null ? "Named window" : "Table") + " '" + infraName + "'"; var infraContextName = namedWindow != null ? namedWindow.ContextName : table.OptionalContextName; var infraModuleName = namedWindow != null ? namedWindow.NamedWindowModuleName : table.TableModuleName; var infraEventType = namedWindow != null ? namedWindow.EventType : table.InternalEventType; var resultEventType = namedWindow != null ? namedWindow.EventType : table.PublicEventType; var infraVisibility = namedWindow != null ? namedWindow.EventType.Metadata.AccessModifier : table.TableVisibility; ValidateOnExpressionContext(planDesc.ContextName, infraContextName, infraTitle); List<StmtClassForgeableFactory> additionalForgeables = new List<StmtClassForgeableFactory>(); // validate expressions and plan subselects var validationResult = OnTriggerPlanValidator.ValidateOnTriggerPlan( infraEventType, planDesc.OnTriggerDesc, planDesc.StreamSpec, planDesc.ActivatorResult, planDesc.SubselectActivation, @base, services); additionalForgeables.AddAll(validationResult.AdditionalForgeables); var validatedJoin = validationResult.ValidatedJoin; var activatorResultEventType = planDesc.ActivatorResult.ActivatorResultEventType; var pair = IndexHintPair.GetIndexHintPair( planDesc.OnTriggerDesc, @base.StatementSpec.StreamSpecs[0].OptionalStreamName, @base.StatementRawInfo, services); var indexHint = pair.IndexHint; var excludePlanHint = pair.ExcludePlanHint; var enabledSubqueryIndexShare = namedWindow != null && namedWindow.IsEnableIndexShare; var isVirtualWindow = namedWindow != null && namedWindow.IsVirtualDataWindow; var indexMetadata = namedWindow != null ? namedWindow.IndexMetadata : table.IndexMetadata; var optionalUniqueKeySet = namedWindow != null ? namedWindow.UniquenessAsSet : table.UniquenessAsSet; // query plan var onlyUseExistingIndexes = table != null; SubordinateWMatchExprQueryPlanResult planResult = SubordinateQueryPlanner.PlanOnExpression( validatedJoin, activatorResultEventType, indexHint, enabledSubqueryIndexShare, -1, excludePlanHint, isVirtualWindow, indexMetadata, infraEventType, optionalUniqueKeySet, onlyUseExistingIndexes, @base.StatementRawInfo, services); SubordinateWMatchExprQueryPlanForge queryPlan = planResult.Forge; additionalForgeables.AddAll(planResult.AdditionalForgeables); // indicate index dependencies if (queryPlan.Indexes != null && infraVisibility == NameAccessModifier.PUBLIC) { foreach (var index in queryPlan.Indexes) { services.ModuleDependenciesCompileTime.AddPathIndex( namedWindow != null, infraName, infraModuleName, index.IndexName, index.IndexModuleName, services.NamedWindowCompileTimeRegistry, services.TableCompileTimeRegistry); } } var onTriggerType = planDesc.OnTriggerDesc.OnTriggerType; var activator = planDesc.ActivatorResult.Activator; var subselectForges = validationResult.SubselectForges; var tableAccessForges = validationResult.TableAccessForges; IList<StmtClassForgeable> forgeables = new List<StmtClassForgeable>(2); StatementAgentInstanceFactoryOnTriggerInfraBaseForge forge; var classNameRSP = CodeGenerationIDGenerator.GenerateClassNameSimple( typeof(ResultSetProcessorFactoryProvider), classPostfix); ResultSetProcessorDesc resultSetProcessor; if (onTriggerType == OnTriggerType.ON_SELECT) { resultSetProcessor = validationResult.ResultSetProcessorPrototype; var outputEventType = resultSetProcessor.ResultEventType; var insertInto = false; TableMetaData optionalInsertIntoTable = null; var insertIntoDesc = @base.StatementSpec.Raw.InsertIntoDesc; var addToFront = false; if (insertIntoDesc != null) { insertInto = true; optionalInsertIntoTable = services.TableCompileTimeResolver.Resolve(insertIntoDesc.EventTypeName); var optionalInsertIntoNamedWindow = services.NamedWindowCompileTimeResolver.Resolve(insertIntoDesc.EventTypeName); addToFront = optionalInsertIntoNamedWindow != null || optionalInsertIntoTable != null; } var selectAndDelete = planDesc.OnTriggerDesc.IsDeleteAndSelect; var distinct = @base.StatementSpec.SelectClauseCompiled.IsDistinct; MultiKeyPlan distinctMultiKeyPlan = MultiKeyPlanner.PlanMultiKeyDistinct( distinct, outputEventType, @base.StatementRawInfo, services.SerdeResolver); additionalForgeables.AddAll(distinctMultiKeyPlan.MultiKeyForgeables); forge = new StatementAgentInstanceFactoryOnTriggerInfraSelectForge( activator, outputEventType, subselectForges, tableAccessForges, namedWindow, table, queryPlan, classNameRSP, insertInto, addToFront, optionalInsertIntoTable, selectAndDelete, distinct, distinctMultiKeyPlan.ClassRef); } else { var defaultSelectAllSpec = new StatementSpecCompiled(); defaultSelectAllSpec.SelectClauseCompiled.WithSelectExprList(new SelectClauseElementWildcard()); defaultSelectAllSpec.Raw.SelectStreamDirEnum = SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH; StreamTypeService typeService = new StreamTypeServiceImpl( new[] {resultEventType}, new[] {infraName}, new[] {false}, false, false); resultSetProcessor = ResultSetProcessorFactoryFactory.GetProcessorPrototype( new ResultSetSpec(defaultSelectAllSpec), typeService, null, new bool[1], false, @base.ContextPropertyRegistry, false, false, @base.StatementRawInfo, services); if (onTriggerType == OnTriggerType.ON_DELETE) { forge = new StatementAgentInstanceFactoryOnTriggerInfraDeleteForge( activator, resultEventType, subselectForges, tableAccessForges, classNameRSP, namedWindow, table, queryPlan); } else if (onTriggerType == OnTriggerType.ON_UPDATE) { var updateDesc = (OnTriggerWindowUpdateDesc) planDesc.OnTriggerDesc; EventBeanUpdateHelperForge updateHelper = EventBeanUpdateHelperForgeFactory.Make( infraName, (EventTypeSPI) infraEventType, updateDesc.Assignments, validationResult.ZeroStreamAliasName, activatorResultEventType, namedWindow != null, @base.StatementName, services.EventTypeAvroHandler); forge = new StatementAgentInstanceFactoryOnTriggerInfraUpdateForge( activator, resultEventType, subselectForges, tableAccessForges, classNameRSP, namedWindow, table, queryPlan, updateHelper); } else if (onTriggerType == OnTriggerType.ON_MERGE) { var onMergeTriggerDesc = (OnTriggerMergeDesc) planDesc.OnTriggerDesc; var onMergeHelper = new InfraOnMergeHelperForge( onMergeTriggerDesc, activatorResultEventType, planDesc.StreamSpec.OptionalStreamName, infraName, (EventTypeSPI) infraEventType, @base.StatementRawInfo, services, table); forge = new StatementAgentInstanceFactoryOnTriggerInfraMergeForge( activator, resultEventType, subselectForges, tableAccessForges, classNameRSP, namedWindow, table, queryPlan, onMergeHelper); } else { throw new IllegalStateException("Unrecognized trigger type " + onTriggerType); } } forgeables.Add( new StmtClassForgeableRSPFactoryProvider( classNameRSP, resultSetProcessor, namespaceScope, @base.StatementRawInfo)); var queryPlanLogging = services.Configuration.Common.Logging.IsEnableQueryPlan; SubordinateQueryPlannerUtil.QueryPlanLogOnExpr( queryPlanLogging, QUERY_PLAN_LOG, queryPlan, @base.StatementSpec.Annotations, services.ImportServiceCompileTime); StmtClassForgeableAIFactoryProviderOnTrigger onTrigger = new StmtClassForgeableAIFactoryProviderOnTrigger(className, namespaceScope, forge); return new OnTriggerPlan(onTrigger, forgeables, resultSetProcessor.SelectSubscriberDescriptor, additionalForgeables); }