标签：spark-sql

2012-07-18admin阅读(1527)赞(0)

AggregateEstimation AggregateEstimation is…​FIXME Estimating Statistics and Query Hints of Aggregat ...

2012-07-17admin阅读(3199)赞(0)

BasicStatsPlanVisitor — Computing Statistics for Cost-Based Optimization

2012-07-16admin阅读(2285)赞(0)

SizeInBytesOnlyStatsPlanVisitor — LogicalPlanVisitor for Total Size (in Bytes) Statistic Only

2012-07-15admin阅读(2033)赞(0)

LogicalPlanVisitor — Contract for Computing Statistic Estimates and Query Hints of Logical Plan

2012-07-14admin阅读(4406)赞(0)

HintInfo HintInfo takes a single broadcast flag when created. HintInfo is created when: Dataset.broadcast fu ...

2012-07-13admin阅读(4162)赞(0)

Statistics — Estimates of Plan Statistics and Query Hints

2012-07-12admin阅读(1553)赞(0)

LogicalPlanStats — Statistics Estimates and Query Hints of Logical Operator

2012-07-11admin阅读(1664)赞(0)

SparkStrategies — Container of Execution Planning Strategies

2012-07-10admin阅读(1793)赞(0)

SparkStrategy — Base for Execution Planning Strategies

2012-07-09admin阅读(1841)赞(0)

SparkPlanner — Spark Query Planner