there are two tables in the database with different names and the same data format.
if I want to check the data in both tables that meet the criteria at the same time, except that I check them separately and return a collection. Is there any other way
use the $lookup of the pipeline model
$lookup
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data stores a field type (as an enumeration). When querying, it needs to be processed separately by using ifelse or switch, for example, 1 is converted to normal. I ve implemented it with the MongoDB statement, but how do I handle it in the springboot ...
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