我希望有一个单一的方法,可以创建或更新策略文档。我尝试搜索和尝试不同的技术,比如这种方法,但我的文档中却有一个空的_id字段。使用findByIdAndUpdate也会产生类似的影响。
我看到一个文档被插入到集合中,但_id字段为空:
exports.savePolicy = function (plcy, callback) {
console.log('priority is : ' + plcy.priority)
try {
var policy = new Policy(plcy);
var query = {_id: plcy._id}; //this may be null
var update = {
name: plcy.name || defaults.policyDefaults.name,
longDescription: plcy.longDescription || defaults.policyDefaults.longDescription,
shortDescription: plcy.shortDescription || defaults.policyDefaults.shortDescription,
priority: plcy.priority, colorHex: plcy.colorHex || defaults.policyDefaults.colorHex,
settings: plcy.settings || [],
parentPolicyId: plcy.parentPolicyId || null
}
Policy.findOneAndUpdate(query, update, {upsert: true}, function (err, data) {
callback(err, data);
});
} catch (e) {
log.error('Exception while trying to save policy: ' + e.message);
callback(e, null);
}
当不是更新时,有什么方法可以使_id不为空吗?