zstan commented on a change in pull request #9800:
URL: https://github.com/apache/ignite/pull/9800#discussion_r800456439
##########
File path:
modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/rule/FilterSpoolMergeToSortedIndexSpoolRule.java
##########
@@ -75,13 +83,50 @@ private FilterSpoolMergeToSortedIndexSpoolRule(Config cfg) {
if (F.isEmpty(idxCond.lowerCondition()) &&
F.isEmpty(idxCond.upperCondition()))
return;
- RelCollation collation =
TraitUtils.createCollation(ImmutableList.copyOf(idxCond.keys()));
-
+ RelCollation traitCollation;
+ RelCollation searchCollation;
+
+ if (inCollation == null || inCollation.isDefault()) {
+ // Create collation by index condition.
+ List<RexNode> lowerBound = idxCond.lowerBound();
+ List<RexNode> upperBound = idxCond.upperBound();
+
+ int cardinality = lowerBound != null ? lowerBound.size() :
upperBound.size();
+
+ List<Integer> equalsFields = new ArrayList<>(cardinality);
+ List<Integer> otherFields = new ArrayList<>(cardinality);
+
Review comment:
possibly we need to append smt like :
` if (lowerBound != null && upperBound != null)
assert lowerBound.size() == upperBound.size();`
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