Example #1
0
        private static SelectExprProcessor GetProcessorInternal(ICollection <int> assignedTypeNumberStack, SelectClauseElementCompiled[] selectionList, bool isUsingWildcard, InsertIntoDesc insertIntoDesc, EventType optionalInsertIntoEventType, StreamTypeService typeService, EventAdapterService eventAdapterService, ValueAddEventService valueAddEventService, SelectExprEventTypeRegistry selectExprEventTypeRegistry, EngineImportService engineImportService, int statementId, Attribute[] annotations, ConfigurationInformation configuration, NamedWindowMgmtService namedWindowMgmtService, TableService tableService, GroupByRollupInfo groupByRollupInfo)
        {
            // Wildcard not allowed when insert into specifies column order
            if (isUsingWildcard && insertIntoDesc != null && !insertIntoDesc.ColumnNames.IsEmpty())
            {
                throw new ExprValidationException("Wildcard not allowed when insert-into specifies column order");
            }

            // Determine wildcard processor (select *)
            if (IsWildcardsOnly(selectionList))
            {
                // For joins
                if (typeService.StreamNames.Length > 1)
                {
                    Log.Debug(".getProcessor Using SelectExprJoinWildcardProcessor");
                    return(SelectExprJoinWildcardProcessorFactory.Create(
                               assignedTypeNumberStack, statementId, typeService.StreamNames, typeService.EventTypes,
                               eventAdapterService, insertIntoDesc, selectExprEventTypeRegistry, engineImportService,
                               annotations, configuration, tableService));
                }
                // Single-table selects with no insert-into
                // don't need extra processing
                else if (insertIntoDesc == null)
                {
                    Log.Debug(".getProcessor Using wildcard processor");
                    if (typeService.HasTableTypes)
                    {
                        var tableName = TableServiceUtil.GetTableNameFromEventType(typeService.EventTypes[0]);
                        return(new SelectExprWildcardTableProcessor(tableName, tableService));
                    }
                    return(new SelectExprWildcardProcessor(typeService.EventTypes[0]));
                }
            }

            // Verify the assigned or name used is unique
            if (insertIntoDesc == null)
            {
                VerifyNameUniqueness(selectionList);
            }

            // Construct processor
            var buckets = GetSelectExpressionBuckets(selectionList);

            var factory = new SelectExprProcessorHelper(
                assignedTypeNumberStack, buckets.Expressions, buckets.SelectedStreams, insertIntoDesc,
                optionalInsertIntoEventType, isUsingWildcard, typeService, eventAdapterService, valueAddEventService,
                selectExprEventTypeRegistry, engineImportService, statementId, annotations, configuration,
                namedWindowMgmtService, tableService, groupByRollupInfo);
            SelectExprProcessor processor = factory.Evaluator;

            // add reference to the type obtained
            var type = (EventTypeSPI)processor.ResultEventType;

            if (!typeService.IsOnDemandStreams && type.Metadata.TypeClass != TypeClass.ANONYMOUS)
            {
                selectExprEventTypeRegistry.Add(processor.ResultEventType);
            }
            return(processor);
        }
Example #2
0
        public void SetUp()
        {
            var selectExprEventTypeRegistry = new SelectExprEventTypeRegistry("abc", new StatementEventTypeRefImpl());
            var supportTypes = new SupportStreamTypeSvc3Stream();

            _processor = SelectExprJoinWildcardProcessorFactory.Create(Collections.GetEmptyList <int>(), 1, "stmtname", supportTypes.StreamNames, supportTypes.EventTypes,
                                                                       SupportEventAdapterService.Service, null, selectExprEventTypeRegistry, null, null, new Configuration(), new TableServiceImpl(), "default");
        }