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tidb-incubator / TiBigData

TiDB connectors for Flink/Hive/Presto
Apache License 2.0
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支持 rowid 切分数据方案？ #273

Open melin opened 4 months ago

melin commented 4 months ago

参考sqoop 中，oracle 切分数据，采用rowid 切分数据，能够保证数据切分比较均匀。不需要用户去选择切分字段，tidb 是否支持类似特性 https://github.com/apache/sqoop/blob/f8beae32a067d72bf9ed6e903b041ad347ca5491/src/java/org/apache/sqoop/manager/oracle/OraOopOracleQueries.java#L335C51-L335C76

sunxiaoguang commented 4 months ago

Yes, and it's already doing this.