korlov42 commented on code in PR #6945:
URL: https://github.com/apache/ignite-3/pull/6945#discussion_r2526724603
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/rel/AbstractIgniteJoin.java:
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@@ -157,32 +149,75 @@ public List<Pair<RelTraitSet, List<RelTraitSet>>>
deriveDistribution(RelTraitSet
return List.copyOf(res);
}
- if (leftDistr.getType() == HASH_DISTRIBUTED &&
left2rightProjectedDistr != random()) {
- outTraits = nodeTraits.replace(leftDistr);
- leftTraits = left.replace(leftDistr);
- rightTraits = right.replace(left2rightProjectedDistr);
+ TargetMapping offsetByLeftSize = Commons.targetOffsetMapping(
+ this.right.getRowType().getFieldCount(),
+ this.left.getRowType().getFieldCount()
+ );
- res.add(Pair.of(outTraits, List.of(leftTraits, rightTraits)));
+ // Re-hashing of ride side to left.
Review Comment:
it is supposed to be "right" indeed, thanks!
fixed
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