spark技术分享

2012-08-23admin阅读(4786)赞(0)

Generator Contract — Expressions to Generate Zero Or More Rows (aka Lateral Views)

2012-08-22admin阅读(1637)赞(0)

First Aggregate Function Expression First is a DeclarativeAggregate function expression that is created when: ...

2012-08-21admin阅读(1480)赞(0)

ExplodeBase Base Generator Expression ExplodeBase is the base class for Explode and PosExplode generator expressio ...

2012-08-20admin阅读(1368)赞(0)

ExpectsInputTypes Contract ExpectsInputTypes…​FIXME

2012-08-19admin阅读(1619)赞(0)

Exists — Correlated Predicate Subquery Expression

2012-08-18admin阅读(1606)赞(0)

ExecSubqueryExpression Contract — Catalyst Expressions with SubqueryExec Physical Operators

2012-08-17admin阅读(1750)赞(0)

DeclarativeAggregate Contract — Unevaluable Aggregate Function Expressions

2012-08-16admin阅读(1433)赞(0)

CumeDist Declarative Window Aggregate Function Expression

2012-08-15admin阅读(1343)赞(0)

CreateNamedStructUnsafe Expression CreateNamedStructUnsafe is a CreateNamedStructLike expression that…​ ...

2012-08-14admin阅读(1468)赞(0)

CreateNamedStructLike Contract CreateNamedStructLike is the base of Catalyst expressions that FIXME. [crayon-681b ...