gatorsmile commented on a change in pull request #24164: [SPARK-27225][SQL]
Implement join strategy hints
URL: https://github.com/apache/spark/pull/24164#discussion_r268446044
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
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@@ -239,18 +275,47 @@ abstract class SparkStrategies extends
QueryPlanner[SparkPlan] {
def apply(plan: LogicalPlan): Seq[SparkPlan] = plan match {
- // --- BroadcastHashJoin
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+ // --- Hints specified, choose join strategy based on hints.
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Review comment:
We need to update the description of line 93 - line 147
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