2021-01-28 mybatis批量更新数据

myabtis 更新大量数据时候,分批次更新,加快更新效率

if (list_share_date.size() < 1000) {
shareDateMapper.updateBatchShareAndDate(list_share_date);
} else {
int len = 1000;
int size = list_share_date.size();
int count = (size + len - 1) / len;
for (int i = 0; i < count; i++) {
List subListOK = list_share_date.subList(i * len, ((i

• 1. • len > size ? size : len * (i + 1)));
       shareDateMapper.updateBatchShareAndDate(subListOK);
       }
       }

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