sqoop导出avro嵌套记录AvroExportMapper
给定RecordA as的avro记录架构sqoop导出avro嵌套记录AvroExportMapper,avro,sqoop,sqoop2,Avro,Sqoop,Sqoop2,给定RecordA as的avro记录架构 "type":"record"... "fields": [ { "name": "typeB", "type":"RecordB"} ... 和RecordB avro record as "type":"record" "fields": [ {"name": "mysqoopfield", "type":"int" } ... sqoop导出中是否有一种机制,通过该机制,我可以将mysqoopfield的值导出到只包含mysqoofeld列的
"type":"record"...
"fields": [ { "name": "typeB", "type":"RecordB"} ...
和RecordB avro record as
"type":"record"
"fields": [ {"name": "mysqoopfield", "type":"int" } ...
sqoop导出中是否有一种机制,通过该机制,我可以将mysqoopfield的值导出到只包含mysqoofeld列的表中的RDBMS
试过
sqoop-export --connect ... --driver ... --export /path/to/avro --columns typeB.mysqoopfield | typeB[mysqoopfield]
这是行不通的。这个由AvroExportMapper转换为‘‘。在进一步挖掘之前,只是想知道这是否得到了支持?
是否也可以向sqoop提供自定义映射器实现