public AggregationTableReadDesc ValidateAggregationTableRead(
ExprValidationContext validationContext,
TableMetadataColumnAggregation tableAccessColumn,
TableMetaData table)
{
// child node validation
ExprNodeUtilityValidate.GetValidatedSubtree(ExprNodeOrigin.AGGPARAM, ChildNodes, validationContext);
// portable validation
var validation = tableAccessColumn.AggregationPortableValidation;
if (!(validation is AggregationPortableValidationPluginMultiFunc)) {
throw new ExprValidationException("Invalid aggregation column type");
}
// obtain handler
var ctx = new AggregationMultiFunctionValidationContext(
functionName,
validationContext.StreamTypeService.EventTypes,
positionalParams,
validationContext.StatementName,
validationContext,
config,
null,
ChildNodes,
optionalFilter);
var handler = aggregationMultiFunctionForge.ValidateGetHandler(ctx);
// set of reader
var epType = handler.ReturnType;
Type returnType = EPTypeHelper.GetNormalizedClass(epType);
var forge = new AggregationTableAccessAggReaderForgePlugIn(
returnType,
(AggregationMultiFunctionTableReaderModeManaged) handler.TableReaderMode);
EventType eventTypeCollection = EPTypeHelper.OptionalIsEventTypeColl(epType);
EventType eventTypeSingle = EPTypeHelper.OptionalIsEventTypeSingle(epType);
Type componentTypeCollection = EPTypeHelper.OptionalIsComponentTypeColl(epType);
return new AggregationTableReadDesc(forge, eventTypeCollection, componentTypeCollection, eventTypeSingle);
}
public EventType GetEventTypeSingle(
StatementRawInfo statementRawInfo,
StatementCompileTimeServices compileTimeServices)
{
return EPTypeHelper.OptionalIsEventTypeSingle(_optionalEnumerationType);
}
public EventType GetEventTypeSingle(EventAdapterService eventAdapterService, int statementId)
{
return(EPTypeHelper.OptionalIsEventTypeSingle(_optionalEnumerationType));
}
