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[TESTING] One join per stage #22548

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[TESTING] One join per stage #22548

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1f8d84d
One join per stage
Aug 7, 2025
6ee4ed5
Tunred off second phys transformer invocation
Aug 8, 2025
ddce95b
Revert transformer change
Aug 8, 2025
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3 changes: 2 additions & 1 deletion ydb/core/kqp/opt/physical/kqp_opt_phy.cpp
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Expand Up @@ -490,7 +490,8 @@ class TKqpPhysicalOptTransformer : public TOptimizeTransformerBase {
{
// TODO: Allow push to left stage for data queries.
// It is now possible as we don't use datashard transactions for reads in data queries.
bool pushLeftStage = AllowFuseJoinInputs(node);
//bool pushLeftStage = AllowFuseJoinInputs(node);
bool pushLeftStage = false;
bool shuffleEliminationWithMap = KqpCtx.Config->OptShuffleEliminationWithMap.Get().GetOrElse(true);
bool rightCollectStage = !KqpCtx.Config->AllowMultiBroadcasts;
TExprBase output = DqBuildJoin(node, ctx, optCtx, *getParents(), IsGlobal,
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