标签：spark-sql

2013-03-25admin阅读(1718)赞(0)

LimitPushDown Logical Optimization LimitPushDown is a base logical optimization that transforms the following logi ...

2013-03-24admin阅读(1392)赞(0)

GetCurrentDatabase Logical Optimization GetCurrentDatabase is a base logical optimization that gives the current d ...

2013-03-23admin阅读(1528)赞(0)

EliminateView Logical Optimization EliminateView is a base logical optimization that removes (eliminates) View log ...

2013-03-22admin阅读(1674)赞(0)

EliminateSubqueryAliases Logical Optimization

2013-03-21admin阅读(796)赞(0)

EliminateSerialization Logical Optimization

2013-03-20admin阅读(1569)赞(0)

DecimalAggregates Logical Optimization DecimalAggregates is a base logical optimization that transforms Sum and Av ...

2013-03-19admin阅读(1341)赞(0)

CostBasedJoinReorder Logical Optimization — Join Reordering in Cost-Based Optimization

2013-03-18admin阅读(971)赞(0)

ConstantFolding Logical Optimization ConstantFolding is a base logical optimization that replaces expressions that ...

2013-03-17admin阅读(1407)赞(0)

ComputeCurrentTime Logical Optimization ComputeCurrentTime is a base logical optimization that computes the curren ...

2013-03-16admin阅读(1542)赞(0)

CombineUnions Logical Optimization CombineUnions is a base logical optimization that FIXME. CombineUnions is par ...