16 lines
221 B
JavaScript
16 lines
221 B
JavaScript
var coll = db.user4;
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print("Migrating " + coll.count() + " users");
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coll.find({}, {
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_id: 1
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}).forEach(function(u) {
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coll.update({
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_id: u._id
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}, {
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$set: {
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len: NumberInt(u._id.length)
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}
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});
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});
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