spark技术分享

2012-06-24admin阅读(3893)赞(0)

SupportsPushDownFilters SupportsPushDownFilters is the contract for DataSourceReaders that support push down filte ...

2012-06-23admin阅读(4179)赞(0)

DataSourceReader DataSourceReader is the contract for data source readers with a custom DataReaderFactory. [crayo ...

2012-06-22admin阅读(4021)赞(0)

DataSourceV2 DataSourceV2 is the contract of Data Sources V2 that FIXME. DataSourceV2 defines no methods or valu ...

2012-06-21admin阅读(1640)赞(0)

FileRelation FileRelation is the contract of relations that are backed by files. [crayon-6926f7390a4a1076486707/] ...

2012-06-20admin阅读(1679)赞(0)

Data Source Filter Predicate (For Filter Pushdown)

2012-06-19admin阅读(2197)赞(0)

FileFormatWriter Helper Object FileFormatWriter is a Scala object that allows for writing the result of a structur ...

2012-06-18admin阅读(1480)赞(0)

TableScan Contract — Relations with Column Pruning

2012-06-17admin阅读(1620)赞(0)

PrunedScan Contract PrunedScan is…​FIXME

2012-06-16admin阅读(1841)赞(0)

PrunedFilteredScan Contract — Relations with Column Pruning and Filter Pushdown

2012-06-15admin阅读(1521)赞(0)

InsertableRelation Contract — Non-File-Based Relations with Inserting or Overwriting Data Support