public static Pair<ResultSetProcessor, AggregationService> StartResultSetAndAggregation(
ResultSetProcessorFactoryProvider resultSetProcessorPrototype,
AgentInstanceContext agentInstanceContext,
bool isSubquery,
int? subqueryNumber)
{
AggregationService aggregationService = null;
if (resultSetProcessorPrototype.AggregationServiceFactory != null) {
aggregationService = resultSetProcessorPrototype.AggregationServiceFactory.MakeService(
agentInstanceContext,
null,
isSubquery,
subqueryNumber,
null);
}
OrderByProcessor orderByProcessor = null;
if (resultSetProcessorPrototype.OrderByProcessorFactory != null) {
orderByProcessor = resultSetProcessorPrototype.OrderByProcessorFactory
.Instantiate(agentInstanceContext);
}
var resultSetProcessor = resultSetProcessorPrototype.ResultSetProcessorFactory.Instantiate(
orderByProcessor,
aggregationService,
agentInstanceContext);
return new Pair<ResultSetProcessor, AggregationService>(resultSetProcessor, aggregationService);
}
protected internal static ResultSetProcessor ProcessorWithAssign(
ResultSetProcessorFactoryProvider processorProvider,
AgentInstanceContext agentInstanceContext,
FAFQueryMethodAssignerSetter assignerSetter,
IDictionary<int, ExprTableEvalStrategyFactory> tableAccesses,
IDictionary<int, SubSelectFactory> subselects)
{
// start table-access
var tableAccessEvals = ExprTableEvalHelperStart.StartTableAccess(tableAccesses, agentInstanceContext);
// get RSP
var pair = StatementAgentInstanceFactoryUtil.StartResultSetAndAggregation(
processorProvider,
agentInstanceContext,
false,
null);
// start subselects
var subselectStopCallbacks = new List<AgentInstanceMgmtCallback>(2);
IDictionary<int, SubSelectFactoryResult> subselectActivations = SubSelectHelperStart.StartSubselects(
subselects, agentInstanceContext, subselectStopCallbacks, false);
// assign
assignerSetter.Assign(
new StatementAIFactoryAssignmentsImpl(
pair.Second,
null,
null,
subselectActivations,
tableAccessEvals,
null));
return pair.First;
}
protected internal static ResultSetProcessor ProcessorWithAssign(
ResultSetProcessorFactoryProvider processorProvider,
AgentInstanceContext agentInstanceContext,
FAFQueryMethodAssignerSetter assignerSetter,
IDictionary<int, ExprTableEvalStrategyFactory> tableAccesses)
{
// start table-access
var tableAccessEvals = ExprTableEvalHelperStart.StartTableAccess(tableAccesses, agentInstanceContext);
// get RSP
var pair = StatementAgentInstanceFactoryUtil.StartResultSetAndAggregation(
processorProvider,
agentInstanceContext,
false,
null);
// assign
assignerSetter.Assign(
new StatementAIFactoryAssignmentsImpl(
pair.Second,
null,
null,
Collections.GetEmptyMap<int, SubSelectFactoryResult>(),
tableAccessEvals,
null));
return pair.First;
}
public InfraOnSelectViewFactory(
EventType infraEventType,
bool addToFront,
bool isDistinct,
EventPropertyValueGetter distinctKeyGetter,
bool selectAndDelete,
StreamSelector? optionalStreamSelector,
Table optionalInsertIntoTable,
bool insertInto,
ResultSetProcessorFactoryProvider resultSetProcessorPrototype)
: base(infraEventType)
{
IsAddToFront = addToFront;
IsDistinct = isDistinct;
DistinctKeyGetter = distinctKeyGetter;
IsSelectAndDelete = selectAndDelete;
OptionalStreamSelector = optionalStreamSelector;
this.optionalInsertIntoTable = optionalInsertIntoTable;
IsInsertInto = insertInto;
this.resultSetProcessorPrototype = resultSetProcessorPrototype;
}
