wangshuo128 commented on code in PR #11825:
URL: https://github.com/apache/doris/pull/11825#discussion_r949879130
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java:
##########
@@ -360,39 +362,86 @@ public PlanFragment
visitAbstractPhysicalSort(AbstractPhysicalSort<Plan> sort, P
// 2. For ssb, there are only binary equal predicate, we shall
support more in the future.
@Override
public PlanFragment visitPhysicalHashJoin(PhysicalHashJoin<Plan, Plan>
hashJoin, PlanTranslatorContext context) {
+ if (JoinUtils.shouldNestedLoopJoin(hashJoin)) {
+ throw new RuntimeException("Physical hash join could not execute
without equal join condition.");
+ }
+
// NOTICE: We must visit from right to left, to ensure the last
fragment is root fragment
PlanFragment rightFragment = hashJoin.child(1).accept(this, context);
PlanFragment leftFragment = hashJoin.child(0).accept(this, context);
PlanNode leftFragmentPlanRoot = leftFragment.getPlanRoot();
PlanNode rightFragmentPlanRoot = rightFragment.getPlanRoot();
JoinType joinType = hashJoin.getJoinType();
- if (JoinUtils.shouldNestedLoopJoin(hashJoin)) {
- throw new RuntimeException("Physical hash join could not execute
without equal join condition.");
- } else {
- Expression eqJoinExpression = hashJoin.getCondition().get();
- List<Expr> execEqConjunctList =
ExpressionUtils.extractConjunction(eqJoinExpression).stream()
- .map(EqualTo.class::cast)
- .map(e -> swapEqualToForChildrenOrder(e,
hashJoin.left().getOutput()))
- .map(e -> ExpressionTranslator.translate(e, context))
- .collect(Collectors.toList());
+ Expression eqJoinExpression = hashJoin.getCondition().get();
+ List<Expr> execEqConjunctList =
ExpressionUtils.extractConjunction(eqJoinExpression).stream()
+ .map(EqualTo.class::cast)
+ .map(e -> swapEqualToForChildrenOrder(e,
hashJoin.left().getOutput()))
+ .map(e -> ExpressionTranslator.translate(e, context))
+ .collect(Collectors.toList());
- TupleDescriptor outputDescriptor = context.generateTupleDesc();
- List<Expr> srcToOutput = hashJoin.getOutput().stream()
- .map(SlotReference.class::cast)
- .peek(s -> context.createSlotDesc(outputDescriptor, s))
- .map(e -> ExpressionTranslator.translate(e, context))
- .collect(Collectors.toList());
+ TupleDescriptor outputDescriptor = context.generateTupleDesc();
+ List<Expr> srcToOutput = hashJoin.getOutput().stream()
+ .map(SlotReference.class::cast)
+ .peek(s -> context.createSlotDesc(outputDescriptor, s))
+ .map(e -> ExpressionTranslator.translate(e, context))
+ .collect(Collectors.toList());
- HashJoinNode hashJoinNode = new
HashJoinNode(context.nextPlanNodeId(), leftFragmentPlanRoot,
- rightFragmentPlanRoot, JoinType.toJoinOperator(joinType),
execEqConjunctList, Lists.newArrayList(),
- srcToOutput, outputDescriptor, outputDescriptor);
+ HashJoinNode hashJoinNode = new HashJoinNode(context.nextPlanNodeId(),
leftFragmentPlanRoot,
+ rightFragmentPlanRoot, JoinType.toJoinOperator(joinType),
execEqConjunctList, Lists.newArrayList(),
+ srcToOutput, outputDescriptor, outputDescriptor);
+ // TODO: use distribution info from physical properties.
+ boolean doBroadcast = !JoinUtils.onlyShuffle(hashJoin);
Review Comment:
This is draft version and waiting for #11666. Specific join selection
strategy would use enforce framework then.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org
For additional commands, e-mail: commits-h...@doris.apache.org
