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Use batch to delete firestore's data in master branch #31
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Hi, I found that the way to delete room data in the code is one-by-one deletion, which will make multiple connections to firestore, causing the deletion speed to be slow.
Therefore, I use the batch deletion method and submit the batch operation at the end, which is much faster , I hope to contribute to the project to make it better.
The following is the link to the data deleted by firestore in batch：
https://firebase.google.com/docs/firestore/manage-data/delete-data?authuser=0#node.js_2