Give an *overview* of number of beers per ~x~
Pipeline:
db.beer.aggregate( [
{ *'$facet'* : {
'beer_type' : [ { *'$sortByCount'* : '$beer_type' } ],
'brewery_country' : [ { '$sortByCount' : '$brewery_country' } ],
'abv' : [
{ '$match' : { 'beer_abv' : { '$gte' : 0 } } },
{ *'$bucket'* : {
groupBy: '$beer_abv',
boundaries: [ 0, 2, 4, 6, 8, 10 ],
default: 'way-too-much',
} }
],
} },
] ).pretty()