标签：spark-sql

2013-04-04admin阅读(908)赞(0)

SimplifyCasts Logical Optimization SimplifyCasts is a base logical optimization that eliminates redundant casts in ...

2013-04-03admin阅读(1358)赞(0)

RewritePredicateSubquery Logical Optimization

2013-04-02admin阅读(1525)赞(0)

RewriteCorrelatedScalarSubquery Logical Optimization

2013-04-01admin阅读(1386)赞(0)

ReplaceExpressions Logical Optimization ReplaceExpressions is a base logical optimization that replaces RuntimeRep ...

2013-03-31admin阅读(1352)赞(0)

PushPredicateThroughJoin Logical Optimization

2013-03-30admin阅读(1676)赞(0)

PullupCorrelatedPredicates Logical Optimization

2013-03-29admin阅读(1605)赞(0)

PropagateEmptyRelation Logical Optimization

2013-03-28admin阅读(1615)赞(0)

OptimizeSubqueries Logical Optimization OptimizeSubqueries is a base logical optimization that FIXME. OptimizeSu ...

2013-03-27admin阅读(1480)赞(0)

OptimizeIn Logical Optimization OptimizeIn is a base logical optimization that transforms logical plans with In pr ...

2013-03-26admin阅读(1520)赞(0)

NullPropagation Logical Optimization — Nullability (NULL Value) Propagation