update sql
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The FOR loop created too many update SQL statements even we turned on the batch_size .
就算我们设置了batchsize,for循环也创建了太多updateSQL语句。
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This method can be used for homogeneous batching and receives only two parameters : the update SQL statement and a Java collection of objects to be batched into the update call .
该方法可用于同构批处理,并且只接收两个参数:updateSQL语句和要在更新调用中批量处理的一个Java对象集合。
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Full document update using the SQL update statement .
使用SQLupdate语句进行全文档更新。