spark技术分享

2013-06-08admin阅读(2078)赞(0)

SparkSqlParser — Default SQL Parser

2013-06-07admin阅读(3071)赞(0)

SparkSqlAstBuilder SparkSqlAstBuilder is an AstBuilder that converts valid Spark SQL statements into Catalyst expr ...

2013-06-06admin阅读(4766)赞(0)

ParserInterface — SQL Parser Contract

2013-06-05admin阅读(2620)赞(0)

CatalystSqlParser — DataTypes and StructTypes Parser

2013-06-04admin阅读(2720)赞(0)

AstBuilder — ANTLR-based SQL Parser

2013-06-03admin阅读(2495)赞(0)

AbstractSqlParser — Base SQL Parsing Infrastructure

2013-06-02admin阅读(1038)赞(0)

SQL Parsing Framework SQL Parser Framework in Spark SQL uses ANTLR to translate a SQL text to a data type, Express ...

2013-06-01admin阅读(1737)赞(0)

UnsafeFixedWidthAggregationMap UnsafeFixedWidthAggregationMap is a tiny layer (extension) around Spark Core’ ...

2013-05-31admin阅读(2160)赞(0)

ExternalAppendOnlyUnsafeRowArray — Append-Only Array for UnsafeRows (with Disk Spill Threshold)

2013-05-30admin阅读(2515)赞(0)

CatalystSerde Helper Object CatalystSerde is a Scala object that consists of three utility methods: deserializ ...