标签：spark-sql

2012-07-28admin阅读(1538)赞(0)

HashClusteredDistribution HashClusteredDistribution is a Distribution that creates a HashPartitioning for the hash ...

2012-07-27admin阅读(1535)赞(0)

ClusteredDistribution ClusteredDistribution is a Distribution that creates a HashPartitioning for the clustering e ...

2012-07-26admin阅读(1426)赞(0)

BroadcastDistribution BroadcastDistribution is a Distribution that indicates to use one partition only and…& ...

2012-07-25admin阅读(1324)赞(0)

AllTuples AllTuples is a Distribution that indicates to use one partition only. createPartitioning Method [cray ...

2012-07-24admin阅读(1420)赞(0)

Distribution — Contract For Data Distribution Across Partitions

2012-07-23admin阅读(1761)赞(0)

ExchangeCoordinator Caution FIXME postShuffleRDD Method Caution FIXME

2012-07-22admin阅读(1568)赞(0)

Partitioning — Specification of Physical Operator’s Output Partitions

2012-07-21admin阅读(1096)赞(0)

ProjectEstimation ProjectEstimation is…​FIXME Estimating Statistics and Query Hints of Project Logi ...

2012-07-20admin阅读(1224)赞(0)

JoinEstimation JoinEstimation is a utility that computes statistics estimates and query hints of a Join logical op ...

2012-07-19admin阅读(1251)赞(0)

FilterEstimation FilterEstimation is…​FIXME computeEqualityPossibilityByHistogram Internal Method [ ...