Answer by Kevin Meredith for mongodb $elemMatch
How about this:db.items.find({x : { $all: [ {$elemMatch: {a: 1, b: 2}}, {$elemMatch: {a: 3, b: 4}}, {$elemMatch: {a: 5, b: 6}} ]}}Check out the Mongo docs.Also, note the docs warning:In the current...
View ArticleAnswer by Remon van Vliet for mongodb $elemMatch
t.find({$and:[{a:{$elemMatch:{a:1, b:2}}}, {a:{$elemMatch:{a:3, b:4}}}, {a:{$elemMatch:{a:5, b:6}}}]})It isn't a particularly high performance option though.
View ArticleAnswer by Derick for mongodb $elemMatch
You can not use elemMatch for this, but you can simply just create a query which checks whether a matches the whole array:db.items.insert({ 'foo' : 1, 'a' : [{a:1, b:2},{a:3, b:4}, {a:5,...
View Articlemongodb $elemMatch
According to mongodb doc, syntax for $elemMatch would be,t.find( { x : { $elemMatch : { a : 1, b : { $gt : 1 } } } } )I have tried and it works fine.The above means that, it can find if an object {a:1,...
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