korlov42 commented on a change in pull request #9103:
URL: https://github.com/apache/ignite/pull/9103#discussion_r667838128
##########
File path:
modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/rule/TableFunctionScanConverterRule.java
##########
@@ -53,8 +60,23 @@ private TableFunctionScanConverterRule() {
.replace(RewindabilityTrait.REWINDABLE)
.replace(IgniteDistributions.broadcast());
+ RexBuilder rexBuilder = rel.getCluster().getRexBuilder();
+
Set<CorrelationId> corrIds =
RexUtils.extractCorrelationIds(rel.getCall());
+ // TODO: remove all near 'if' scope after
https://issues.apache.org/jira/browse/CALCITE-4673 will be merged.
+ if (corrIds.size() > 1) {
+ final List<CorrelationId> correlNames = U.arrayList(corrIds);
+
+ RelNode rel0 = DeduplicateCorrelateVariables.go(rexBuilder,
correlNames.get(0), Util.skip(correlNames), rel);
+
+ corrIds = RelOptUtil.getVariablesUsed(rel0);
+
+ assert corrIds.size() == 1 : "Multiple correlates are appied: " +
corrIds;
Review comment:
```suggestion
assert corrIds.size() == 1 : "Multiple correlates are applied: "
+ corrIds;
```
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