yashlimbad commented on code in PR #4840:
URL: https://github.com/apache/calcite/pull/4840#discussion_r2958626555
##########
core/src/main/java/org/apache/calcite/plan/RelOptUtil.java:
##########
@@ -4818,22 +4831,55 @@ public RexInputConverter(
null,
leftDestFields,
rightDestFields,
- adjustments);
+ adjustments,
+ 0,
+ null);
}
public RexInputConverter(
RexBuilder rexBuilder,
@Nullable List<RelDataTypeField> srcFields,
@Nullable List<RelDataTypeField> destFields,
int[] adjustments) {
- this(rexBuilder, srcFields, destFields, null, null, adjustments);
+ this(rexBuilder, srcFields, destFields, null, null, adjustments, 0,
null);
}
public RexInputConverter(
RexBuilder rexBuilder,
@Nullable List<RelDataTypeField> srcFields,
int[] adjustments) {
- this(rexBuilder, srcFields, null, null, null, adjustments);
+ this(rexBuilder, srcFields, null, null, null, adjustments, 0, null);
+ }
+
+ public RexInputConverter(
+ RexBuilder rexBuilder,
+ @Nullable List<RelDataTypeField> srcFields,
+ @Nullable List<RelDataTypeField> destFields,
+ int[] adjustments,
+ int offset,
+ RelNode child) {
+ this(rexBuilder, srcFields, destFields, null, null, adjustments, offset,
child);
+ }
+
+ @Override public RexNode visitSubQuery(RexSubQuery subQuery) {
+ boolean[] update = {false};
+ List<RexNode> clonedOperands = visitList(subQuery.operands, update);
+ if (update[0]) {
+ subQuery = subQuery.clone(subQuery.getType(), clonedOperands);
+ final Set<CorrelationId> variablesSet =
RelOptUtil.getVariablesUsed(subQuery.rel);
+ if (!variablesSet.isEmpty() && correlateVariableChild != null) {
+ CorrelationId id = Iterables.getOnlyElement(variablesSet);
+ RelNode newSubQueryRel = subQuery.rel.accept(new
RelHomogeneousShuttle() {
+ @Override public RelNode visit(RelNode other) {
+ RelNode node =
+ RexUtil.shiftFieldAccess(rexBuilder, other, id,
correlateVariableChild, offset);
+ return super.visit(node);
+ }
+ });
+ subQuery = subQuery.clone(newSubQueryRel);
+ }
+ }
+ return subQuery;
Review Comment:
not needed
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