Vladsz83 commented on code in PR #11947:
URL: https://github.com/apache/ignite/pull/11947#discussion_r2001433325
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modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/rel/IgniteFilter.java:
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@@ -171,6 +171,16 @@ public IgniteFilter(RelInput input) {
// Remap correlate fields to input fields.
int corrFieldsCnt =
((RexNode)corr.getNode()).getType().getFieldCount();
int inputFieldsCnt = getRowType().getFieldCount();
+
+ // Calcite during planning can add fields to the left hand of
the correlated join, but without proper
Review Comment:
Minor: 'add fields' mihght be changed to smth. like 'swap' or 'commute'.
Actually, the test query's join has the same 4 fields of the row type. This is
result of JoinCommuteRule. It seems not to produce other, wider join row types.
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