spark技术分享

2012-12-21admin阅读(1562)赞(0)

DataSourceScanExec Contract — Leaf Physical Operators to Scan Over BaseRelation

2012-12-20admin阅读(3169)赞(0)

SparkPlan Contract — Physical Operators in Physical Query Plan of Structured Query

2012-12-19admin阅读(1968)赞(0)

View Unary Logical Operator View is a logical operator with a single child logical operator. View is created exc ...

2012-12-18admin阅读(1661)赞(0)

WithWindowDefinition Unary Logical Operator

2012-12-17admin阅读(1857)赞(0)

Window Unary Logical Operator Window is a unary logical operator that…​FIXME Window is created when: ...

2012-12-16admin阅读(1492)赞(0)

UnresolvedTableValuedFunction UnresolvedTableValuedFunction is…​FIXME

2012-12-15admin阅读(3250)赞(0)

UnresolvedRelation Leaf Logical Operator for Table Reference

2012-12-14admin阅读(1832)赞(0)

UnresolvedInlineTable Logical Operator UnresolvedInlineTable is a unary logical operator that represents an inline ...

2012-12-13admin阅读(1855)赞(0)

UnresolvedHint Unary Logical Operator — Attaching Hint to Logical Plan

2012-12-12admin阅读(2061)赞(0)

UnresolvedCatalogRelation Leaf Logical Operator — Placeholder of Catalog Tables