NobiGo commented on code in PR #4714:
URL: https://github.com/apache/calcite/pull/4714#discussion_r2659494130
##########
core/src/main/java/org/apache/calcite/sql2rel/RelFieldTrimmer.java:
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@@ -589,14 +573,14 @@ public TrimResult trimFields(
final List<RexNode> newProjects = new ArrayList<>();
final RexVisitor<RexNode> shuttle;
- if (!correlationIds.isEmpty()) {
- assert correlationIds.size() == 1;
+ if (!project.getVariablesSet().isEmpty()) {
shuttle = new RexPermuteInputsShuttle(inputMapping, newInput) {
@Override public RexNode visitSubQuery(RexSubQuery subQuery) {
subQuery = (RexSubQuery) super.visitSubQuery(subQuery);
return
RelOptUtil.remapCorrelatesInSuqQuery(relBuilder.getRexBuilder(),
- subQuery, correlationIds.iterator().next(), newInput.getRowType(),
inputMapping);
+ subQuery, project.getVariablesSet().iterator().next(),
Review Comment:
CALCITE-7354 will re-validate this parameter during the Project creation
process.
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