i, f = 1, 1.
print(type(i), hash(i))
print(type(f), hash(f))
db.bankGuarantee.aggregate([
{
$group: {
_id: {
"regNum": "$regNumber",
"bank_name": "$shortName",
"bank_inn": "$bank.INN",
// дальше сам пиши
},
"cnt": {$sum: 1}
}
},
{
$group: {
_id: {
"bank_name": "$_id.bank_name",
"bank_inn": "$_id.bank_inn",
},
"cnt": {$sum: "$cnt"},
"cnt_regNum": {$sum: 1}
}
},
{
$project: {
"avg": {$divide: ["$cnt", "$cnt_regNum"]}
}
}
]);
тыц, тыц.