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This commit is contained in:
Igor Nikonov 2024-11-14 15:24:47 +00:00
parent 0f63a32d12
commit 6441c59607
1 changed files with 4 additions and 10 deletions
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14
src/Processors/QueryPlan/ParallelReplicasLocalPlan.cpp
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@ -64,21 +64,15 @@ std::pair<std::unique_ptr<QueryPlan>, bool> createLocalPlanForParallelReplicas(
if (reading)
break;
const JoinStep * join = typeid_cast<JoinStep*>(node->step.get());
if (join)
if (!node->children.empty())
{
chassert(node->children.size() == 2);
const auto kind = join->getJoin()->getTableJoin().kind();
if (kind == JoinKind::Right)
// in case of RIGHT JOIN, - reading from right table is parallelized among replicas
const JoinStep * join = typeid_cast<JoinStep*>(node->step.get());
if (join && join->getJoin()->getTableJoin().kind() == JoinKind::Right)
node = node->children.at(1);
else
node = node->children.at(0);
continue;
}
if (!node->children.empty())
node = node->children.at(0);
else
node = nullptr;
}