public static CompositeIndexQuery MakeJoinSingleLookupStream(
bool isNWOnTrigger,
int lookupStream,
ExprEvaluator hashGetter,
QueryGraphValueEntryRange[] rangeProps)
{
// construct chain
IList<CompositeIndexQuery> queries = new List<CompositeIndexQuery>();
if (hashGetter != null) {
queries.Add(new CompositeIndexQueryKeyed(false, lookupStream, -1, hashGetter));
}
foreach (QueryGraphValueEntryRange rangeProp in rangeProps) {
queries.Add(new CompositeIndexQueryRange(isNWOnTrigger, lookupStream, -1, rangeProp));
}
// Hook up as chain for remove
CompositeIndexQuery last = null;
foreach (CompositeIndexQuery action in queries) {
last?.SetNext(action);
last = action;
}
return queries[0];
}
public static CompositeIndexQuery MakeSubordinate(
bool isNWOnTrigger,
int numOuterStreams,
ExprEvaluator hashEval,
QueryGraphValueEntryRange[] rangeEvals)
{
// construct chain
IList<CompositeIndexQuery> queries = new List<CompositeIndexQuery>();
if (hashEval != null) {
queries.Add(new CompositeIndexQueryKeyed(isNWOnTrigger, -1, numOuterStreams, hashEval));
}
foreach (QueryGraphValueEntryRange rangeProp in rangeEvals) {
queries.Add(new CompositeIndexQueryRange(isNWOnTrigger, -1, numOuterStreams, rangeProp));
}
// Hook up as chain for remove
CompositeIndexQuery last = null;
foreach (CompositeIndexQuery action in queries) {
last?.SetNext(action);
last = action;
}
return queries[0];
}
public static CompositeIndexQuery MakeSubordinate(
bool isNWOnTrigger,
int numOuterStreams,
ICollection <SubordPropHashKey> keyExpr,
Type[] coercionKeyTypes,
ICollection <SubordPropRangeKey> rangeProps,
Type[] rangeCoercionTypes,
IList <String> expressionTexts)
{
// construct chain
IList <CompositeIndexQuery> queries = new List <CompositeIndexQuery>();
if (keyExpr.Count > 0)
{
IList <QueryGraphValueEntryHashKeyed> hashKeys = new List <QueryGraphValueEntryHashKeyed>();
foreach (SubordPropHashKey keyExp in keyExpr)
{
expressionTexts.Add(ExprNodeUtility.ToExpressionStringMinPrecedenceSafe(keyExp.HashKey.KeyExpr));
hashKeys.Add(keyExp.HashKey);
}
queries.Add(new CompositeIndexQueryKeyed(isNWOnTrigger, -1, numOuterStreams, hashKeys, coercionKeyTypes));
}
int count = 0;
foreach (SubordPropRangeKey rangeProp in rangeProps)
{
Type coercionType = rangeCoercionTypes == null ? null : rangeCoercionTypes[count];
queries.Add(new CompositeIndexQueryRange(isNWOnTrigger, -1, numOuterStreams, rangeProp, coercionType, expressionTexts));
count++;
}
// Hook up as chain for remove
CompositeIndexQuery last = null;
foreach (CompositeIndexQuery action in queries)
{
if (last != null)
{
last.SetNext(action);
}
last = action;
}
return(queries[0]);
}
public static CompositeIndexQuery MakeJoinSingleLookupStream(
bool isNWOnTrigger,
int lookupStream,
IList <QueryGraphValueEntryHashKeyed> hashKeys,
IList <Type> keyCoercionTypes,
IList <QueryGraphValueEntryRange> rangeProps,
IList <Type> rangeCoercionTypes)
{
// construct chain
IList <CompositeIndexQuery> queries = new List <CompositeIndexQuery>();
if (hashKeys.Count > 0)
{
queries.Add(new CompositeIndexQueryKeyed(false, lookupStream, -1, hashKeys, keyCoercionTypes));
}
int count = 0;
foreach (QueryGraphValueEntryRange rangeProp in rangeProps)
{
Type coercionType = rangeCoercionTypes == null ? null : rangeCoercionTypes[count];
SubordPropRangeKey rkey = new SubordPropRangeKey(rangeProp, coercionType);
queries.Add(
new CompositeIndexQueryRange(isNWOnTrigger, lookupStream, -1, rkey, coercionType, new List <String>()));
count++;
}
// Hook up as chain for remove
CompositeIndexQuery last = null;
foreach (CompositeIndexQuery action in queries)
{
if (last != null)
{
last.SetNext(action);
}
last = action;
}
return(queries[0]);
}
