Mongo index problem

  mongodb, question

In the background, I checked that there are multiple indexes for a table in the database.

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I built a new table. Is there any way to add all the indexes

Try:

var indexes = db.user.getIndexes();
 
 indexes.forEach(function(index){
 delete index.v;
 delete index.ns;
 
 var options = [];
 for (var option in index) {
 if (option !  = 'key') {
 options.push(index['option']);
 }
 }
 db.usertest.createIndex(index.key, options);
 });

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