spark技术分享

2013-02-09admin阅读(1518)赞(0)

AliasViewChild Logical Analysis Rule AliasViewChild is a logical analysis rule that transforms a logical query pla ...

2013-02-08admin阅读(1398)赞(0)

WholeStageCodegenExec Unary Physical Operator for Java Code Generation

2013-02-07admin阅读(1559)赞(0)

WindowFunctionFrame WindowFunctionFrame is a contract for…​FIXME Table 1. WindowFunctionFrame’ ...

2013-02-06admin阅读(1576)赞(0)

AggregateProcessor AggregateProcessor is created and used exclusively when WindowExec physical operator is execute ...

2013-02-05admin阅读(3742)赞(0)

WindowExec Unary Physical Operator WindowExec is a unary physical operator (i.e. with one child physical operator) ...

2013-02-04admin阅读(3424)赞(0)

SubqueryExec Unary Physical Operator SubqueryExec is a unary physical operator (i.e. with one child physical opera ...

2013-02-03admin阅读(1895)赞(0)

SortExec Unary Physical Operator SortExec is a unary physical operator that is created when: BasicOperators ex ...

2013-02-02admin阅读(1895)赞(0)

SortMergeJoinExec Binary Physical Operator for Sort Merge Join

2013-02-01admin阅读(2148)赞(0)

SortAggregateExec Aggregate Physical Operator for Sort-Based Aggregation

2013-01-31admin阅读(2818)赞(0)

SerializeFromObjectExec Unary Physical Operator