-
protobowl 数据包编辑器：packets-editor
资源介绍
数据包
protobowl 数据包编辑器
db.questions.aggregate([
{$group: {
_id: {type: "$type", year: "$year"},
type: {
$last: "$type"
},
year: {
$last: "$year"
}
}},
{$group: {
_id: "$type",
years: {
$push: "$year"
}
}}
]).result
db.questions.aggregate([
{$match: {year: 2010, type: 'qb'}},
{$group: {
_id: "$tournament",
tou
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