public FAFQueryMethodIUDBaseForge(
StatementSpecCompiled spec,
Compilable compilable,
StatementRawInfo statementRawInfo,
StatementCompileTimeServices services)
{
this.annotations = spec.Annotations;
this.hasTableAccess = spec.Raw.IntoTableSpec != null ||
(spec.TableAccessNodes != null && spec.TableAccessNodes.Count > 0);
if (spec.Raw.InsertIntoDesc != null &&
services.TableCompileTimeResolver.Resolve(spec.Raw.InsertIntoDesc.EventTypeName) != null) {
hasTableAccess = true;
}
if (spec.Raw.FireAndForgetSpec is FireAndForgetSpecUpdate ||
spec.Raw.FireAndForgetSpec is FireAndForgetSpecDelete) {
hasTableAccess |= spec.StreamSpecs[0] is TableQueryStreamSpec;
}
hasTableAccess |= StatementLifecycleSvcUtil.IsSubqueryWithTable(
spec.SubselectNodes, services.TableCompileTimeResolver);
// validate general FAF criteria
FAFQueryMethodHelper.ValidateFAFQuery(spec);
// obtain processor
StreamSpecCompiled streamSpec = spec.StreamSpecs[0];
processor = FireAndForgetProcessorForgeFactory.ValidateResolveProcessor(streamSpec);
// obtain name and type
string processorName = processor.NamedWindowOrTableName;
EventType eventType = processor.EventTypeRspInputEvents;
// determine alias
string aliasName = processorName;
if (streamSpec.OptionalStreamName != null) {
aliasName = streamSpec.OptionalStreamName;
}
// activate subselect activations
var @base = new StatementBaseInfo(compilable, spec, null, statementRawInfo, null);
var subqueryNamedWindowConsumers = new List<NamedWindowConsumerStreamSpec>();
var subSelectActivationDesc = SubSelectHelperActivations.CreateSubSelectActivation(
EmptyList<FilterSpecCompiled>.Instance, subqueryNamedWindowConsumers, @base, services);
var subselectActivation = subSelectActivationDesc.Subselects;
_additionalForgeables.AddAll(subSelectActivationDesc.AdditionalForgeables);
// plan subselects
var namesPerStream = new[] {aliasName};
var typesPerStream = new[] { processor.EventTypePublic };
var eventTypeNames = new[] {typesPerStream[0].Name};
SubSelectHelperForgePlan subSelectForgePlan = SubSelectHelperForgePlanner.PlanSubSelect(
@base, subselectActivation, namesPerStream, typesPerStream, eventTypeNames, services);
_subselectForges = subSelectForgePlan.Subselects;
_additionalForgeables.AddAll(subSelectForgePlan.AdditionalForgeables);
// compile filter to optimize access to named window
StreamTypeServiceImpl typeService = new StreamTypeServiceImpl(
new[] {eventType},
new[] {aliasName},
new[] {true},
true,
false);
ExcludePlanHint excludePlanHint = ExcludePlanHint.GetHint(
typeService.StreamNames,
statementRawInfo,
services);
if (spec.Raw.WhereClause != null) {
queryGraph = new QueryGraphForge(1, excludePlanHint, false);
EPLValidationUtil.ValidateFilterWQueryGraphSafe(
queryGraph,
spec.Raw.WhereClause,
typeService,
statementRawInfo,
services);
}
else {
queryGraph = null;
}
// validate expressions
whereClause = EPStatementStartMethodHelperValidate.ValidateNodes(
spec.Raw,
typeService,
null,
statementRawInfo,
services);
// get executor
InitExec(aliasName, spec, statementRawInfo, services);
// plan table access
tableAccessForges = ExprTableEvalHelperPlan.PlanTableAccess(spec.Raw.TableExpressions);
}
public FAFQueryMethodIUDBaseForge(
StatementSpecCompiled spec,
Compilable compilable,
StatementRawInfo statementRawInfo,
StatementCompileTimeServices services)
{
this.annotations = spec.Annotations;
this.hasTableAccess = spec.Raw.IntoTableSpec != null ||
(spec.TableAccessNodes != null && spec.TableAccessNodes.Count > 0);
if (spec.Raw.InsertIntoDesc != null &&
services.TableCompileTimeResolver.Resolve(spec.Raw.InsertIntoDesc.EventTypeName) != null) {
hasTableAccess = true;
}
if (spec.Raw.FireAndForgetSpec is FireAndForgetSpecUpdate ||
spec.Raw.FireAndForgetSpec is FireAndForgetSpecDelete) {
hasTableAccess |= spec.StreamSpecs[0] is TableQueryStreamSpec;
}
// validate general FAF criteria
FAFQueryMethodHelper.ValidateFAFQuery(spec);
// obtain processor
StreamSpecCompiled streamSpec = spec.StreamSpecs[0];
processor = FireAndForgetProcessorForgeFactory.ValidateResolveProcessor(streamSpec);
// obtain name and type
string processorName = processor.NamedWindowOrTableName;
EventType eventType = processor.EventTypeRspInputEvents;
// determine alias
string aliasName = processorName;
if (streamSpec.OptionalStreamName != null) {
aliasName = streamSpec.OptionalStreamName;
}
// compile filter to optimize access to named window
StreamTypeServiceImpl typeService = new StreamTypeServiceImpl(
new EventType[] {eventType},
new string[] {aliasName},
new bool[] {true},
true,
false);
ExcludePlanHint excludePlanHint = ExcludePlanHint.GetHint(
typeService.StreamNames,
statementRawInfo,
services);
if (spec.Raw.WhereClause != null) {
queryGraph = new QueryGraphForge(1, excludePlanHint, false);
EPLValidationUtil.ValidateFilterWQueryGraphSafe(
queryGraph,
spec.Raw.WhereClause,
typeService,
statementRawInfo,
services);
}
else {
queryGraph = null;
}
// validate expressions
whereClause = EPStatementStartMethodHelperValidate.ValidateNodes(
spec.Raw,
typeService,
null,
statementRawInfo,
services);
// get executor
InitExec(aliasName, spec, statementRawInfo, services);
// plan table access
tableAccessForges = ExprTableEvalHelperPlan.PlanTableAccess(spec.Raw.TableExpressions);
}