public AggregationLocalGroupByPlanDesc(
AggregationLocalGroupByPlanForge forge,
IList<StmtClassForgeableFactory> additionalForgeables)
{
Forge = forge;
AdditionalForgeables = additionalForgeables;
}
public AggSvcLocalGroupByForge(
bool hasGroupBy,
AggregationLocalGroupByPlanForge localGroupByPlan,
AggregationUseFlags useFlags)
{
this.hasGroupBy = hasGroupBy;
this.localGroupByPlan = localGroupByPlan;
this.useFlags = useFlags;
}
public static AggregationLocalGroupByPlanDesc Analyze(
ExprForge[][] methodForges,
AggregationForgeFactory[] methodFactories,
AggregationStateFactoryForge[] accessAggregations,
AggregationGroupByLocalGroupDesc localGroupDesc,
ExprNode[] groupByExpressions,
MultiKeyClassRef groupByMultiKey,
AggregationAccessorSlotPairForge[] accessors,
StatementRawInfo raw,
SerdeCompileTimeResolver serdeResolver)
{
if (groupByExpressions == null) {
groupByExpressions = ExprNodeUtilityQuery.EMPTY_EXPR_ARRAY;
}
var columns = new AggregationLocalGroupByColumnForge[localGroupDesc.NumColumns];
var levelsList = new List<AggregationLocalGroupByLevelForge>();
AggregationLocalGroupByLevelForge optionalTopLevel = null;
var additionalForgeables = new List<StmtClassForgeableFactory>();
// determine optional top level (level number is -1)
for (var i = 0; i < localGroupDesc.Levels.Length; i++) {
var levelDesc = localGroupDesc.Levels[i];
if (levelDesc.PartitionExpr.Length == 0) {
AggregationGroupByLocalGroupLevelDesc top = GetLevel(
-1,
levelDesc,
methodForges,
methodFactories,
accessAggregations,
columns,
groupByExpressions.Length == 0,
accessors,
groupByExpressions,
groupByMultiKey,
raw,
serdeResolver);
optionalTopLevel = top.Forge;
additionalForgeables.AddRange(top.AdditionalForgeables);
}
}
// determine default (same as group-by) level, if any, assign level number 0
var levelNumber = 0;
for (var i = 0; i < localGroupDesc.Levels.Length; i++) {
var levelDesc = localGroupDesc.Levels[i];
if (levelDesc.PartitionExpr.Length == 0) {
continue;
}
var isDefaultLevel = groupByExpressions != null &&
ExprNodeUtilityCompare.DeepEqualsIgnoreDupAndOrder(
groupByExpressions,
levelDesc.PartitionExpr);
if (isDefaultLevel) {
AggregationGroupByLocalGroupLevelDesc level = GetLevel(
0,
levelDesc,
methodForges,
methodFactories,
accessAggregations,
columns,
isDefaultLevel,
accessors,
groupByExpressions,
groupByMultiKey,
raw,
serdeResolver);
additionalForgeables.AddRange(level.AdditionalForgeables);
levelsList.Add(level.Forge);
levelNumber++;
break;
}
}
// determine all other levels, assign level numbers
for (var i = 0; i < localGroupDesc.Levels.Length; i++) {
var levelDesc = localGroupDesc.Levels[i];
if (levelDesc.PartitionExpr.Length == 0) {
continue;
}
var isDefaultLevel = groupByExpressions != null &&
ExprNodeUtilityCompare.DeepEqualsIgnoreDupAndOrder(
groupByExpressions,
levelDesc.PartitionExpr);
if (isDefaultLevel) {
continue;
}
AggregationGroupByLocalGroupLevelDesc level = GetLevel(
levelNumber,
levelDesc,
methodForges,
methodFactories,
accessAggregations,
columns,
isDefaultLevel,
accessors,
groupByExpressions,
groupByMultiKey,
raw,
serdeResolver);
levelsList.Add(level.Forge);
additionalForgeables.AddRange(level.AdditionalForgeables);
levelNumber++;
}
// totals
var numMethods = 0;
var numAccesses = 0;
if (optionalTopLevel != null) {
numMethods += optionalTopLevel.MethodFactories.Length;
numAccesses += optionalTopLevel.AccessStateForges.Length;
}
foreach (var level in levelsList) {
numMethods += level.MethodFactories.Length;
numAccesses += level.AccessStateForges.Length;
}
AggregationLocalGroupByLevelForge[] levels = levelsList.ToArray();
AggregationLocalGroupByPlanForge forge = new AggregationLocalGroupByPlanForge(numMethods, numAccesses, columns, optionalTopLevel, levels);
return new AggregationLocalGroupByPlanDesc(forge, additionalForgeables);
}