Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{"data":[[0,1],[2,3],[0,5]]}]
Query
db.collection.update({},[{$addFields:{data:{$filter:{input:"$data",as:"datum",cond:{$ne:[{$arrayElemAt:["$$datum",0]},0]}}}}}])
Result