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- {
- itemList:[
- {id:20,num:12},
- {id:1,num:10},
- {id:2,num:12},
- {id:12,num:12}],
- flowerId:0
- }
- db.getCollection('test').update({flowerId:0},
- {$inc:{"itemList.$[elem1].num":-2},$inc:{"itemList.$[elem2].num":-3}},
- {arrayFilters:[{"elem1.id":1},{"elem2.id":2}]}
- )
- No array filter found for identifier 'elem2' in path 'itemList.$[elem2].num'
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