spark技术分享

2012-10-22admin阅读(1844)赞(0)

AnalyzePartitionCommand Logical Command — Computing Partition-Level Statistics (Total Size and Row ...

2012-10-21admin阅读(1751)赞(0)

AnalyzeColumnCommand Logical Command for ANALYZE TABLE…COMPUTE STATISTICS FOR COLUMNS SQL Command

2012-10-20admin阅读(2003)赞(0)

AnalysisBarrier Leaf Logical Operator — Hiding Child Query Plan in Analysis

2012-10-19admin阅读(1636)赞(0)

AlterViewAsCommand Logical Command AlterViewAsCommand is a logical command for ALTER VIEW SQL statement to alter a ...

2012-10-18admin阅读(1753)赞(0)

Aggregate Unary Logical Operator Aggregate is a unary logical operator that holds the following: Grouping exp ...

2012-10-17admin阅读(1640)赞(0)

SaveAsHiveFile Contract — DataWritingCommands That Write Query Result As Hive Files

2012-10-16admin阅读(1768)赞(0)

DataWritingCommand Contract — Logical Commands That Write Data

2012-10-15admin阅读(1675)赞(0)

RunnableCommand Contract — Generic Logical Command with Side Effects

2012-10-14admin阅读(1695)赞(0)

Command Contract — Eagerly-Executed Logical Operator

2012-10-13admin阅读(2108)赞(0)

LogicalPlan Contract — Logical Relational Operator with Children and Expressions / Logical Query Plan