spark技术分享

2013-06-28admin阅读(2048)赞(0)

LongHashedRelation LongHashedRelation is a HashedRelation that is used when HashedRelation is requested for a conc ...

2013-06-27admin阅读(2026)赞(0)

HashedRelation HashedRelation is the contract for "relations" with values hashed by some key. HashedRelation is ...

2013-06-26admin阅读(2017)赞(0)

HashJoin — Contract for Hash-based Join Physical Operators

2013-06-25admin阅读(4400)赞(0)

PhysicalOperation — Scala Extractor for Destructuring Logical Query Plans

2013-06-24admin阅读(2009)赞(0)

PhysicalAggregation — Scala Extractor for Destructuring Aggregate Logical Operators

2013-06-23admin阅读(2108)赞(0)

TypeCoercionRule Contract — Type Coercion Rules

2013-06-22admin阅读(1622)赞(0)

TypeCoercion Object TypeCoercion is a Scala object that defines the type coercion rules for Spark Analyzer. Def ...

2013-06-21admin阅读(1491)赞(0)

MultiInstanceRelation MultiInstanceRelation is a contact of logical operators which a single instance might appear ...

2013-06-20admin阅读(1568)赞(0)

CreateStruct Function Builder CreateStruct is a function builder (e.g. Seq[Expression] ⇒ Expression) that ca ...

2013-06-19admin阅读(1621)赞(0)

ScalaReflection ScalaReflection is the contract and the only implementation of the contract with…​FIXM ...