Comments (1)
fuyb1992
commented on June 14, 2024
你的问题很好，我正打算周末补充一下readme，当你尝试更新数据时，可以使用to_es_dev函数，其中
key_col参数就是数据的唯一值对应的列名，这个function会判断是否存在对应的index，如果没有直接新建并写入数据，如果有调用update_to_es function，从es中分批次取出数据，检查数据是否变化，如有变化根据查出的_id进行更新操作，没有变化的数据不进行任何处理，新增的数据进行写入操作。
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Related Issues (20)
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