spark技术分享

2012-05-25admin阅读(1855)赞(0)

JdbcRelationProvider JdbcRelationProvider is a DataSourceRegister and registers itself to handle jdbc data source ...

2012-05-24admin阅读(1787)赞(0)

JDBCOptions — JDBC Data Source Options

2012-05-23admin阅读(2682)赞(0)

JDBC Data Source Spark SQL supports loading data from tables using JDBC. JDBC The JDBC API is the Java™ ...

2012-05-22admin阅读(1462)赞(0)

AvroDataToCatalyst Unary Expression AvroDataToCatalyst is a unary expression that represents from_avro function in ...

2012-05-21admin阅读(1787)赞(0)

CatalystDataToAvro Unary Expression CatalystDataToAvro is a unary expression that represents to_avro function in a ...

2012-05-20admin阅读(1560)赞(0)

AvroOptions — Avro Data Source Options

2012-05-19admin阅读(1547)赞(0)

AvroFileFormat — FileFormat For Avro-Encoded Files

2012-05-18admin阅读(4414)赞(0)

Avro Data Source Spark SQL supports structured queries over Avro files as well as in columns (in a DataFrame). ...

2012-05-17admin阅读(3739)赞(0)

JsonUtils Helper Object JsonUtils is a Scala object with methods for serializing and deserializing Kafka TopicPart ...

2012-05-16admin阅读(1404)赞(0)

KafkaWriteTask KafkaWriteTask is used to write rows (from a structured query) to Apache Kafka. KafkaWriteTask is ...