spark技术分享

2012-04-05admin阅读(1573)赞(0)

GenerateSafeProjection GenerateSafeProjection is…​FIXME Creating Projection — cre ...

2012-04-04admin阅读(1424)赞(0)

GeneratePredicate GeneratePredicate is…​FIXME Creating Predicate — create Method ...

2012-04-03admin阅读(1531)赞(0)

GenerateOrdering GenerateOrdering is…​FIXME Creating BaseOrdering — create Method ...

2012-04-02admin阅读(1543)赞(0)

GenerateColumnAccessor GenerateColumnAccessor is a CodeGenerator for…​FIXME Creating ColumnarIterat ...

2012-04-01admin阅读(1900)赞(0)

CodeGenerator CodeGenerator is a base class for generators of JVM bytecode for expression evaluation. Table 1. C ...

2012-03-31admin阅读(1814)赞(0)

CodegenContext CodegenContext is…​FIXME CodegenContext takes no input parameters. [crayon-6926fdec7 ...

2012-03-30admin阅读(2312)赞(0)

Whole-Stage Java Code Generation (Whole-Stage CodeGen)

2012-03-29admin阅读(1317)赞(0)

Bucketing Bucketing is an optimization technique that uses buckets (and bucketing columns) to determine data parti ...

2012-03-28admin阅读(1803)赞(0)

Dynamic Partition Inserts Partitioning uses partitioning columns to divide a dataset into smaller chunks (based on ...

2012-03-27admin阅读(1829)赞(0)

UDFRegistration — Session-Scoped FunctionRegistry