ノードからmongodbサーバーまで検索しようとしています。コードは次のとおりです。
var mongo = require('mongodb'),
Server = mongo.Server,
Db = mongo.Db;
var mongoServer = new Server(10.141.74.74, 28019,{auto_reconnect: true, safe:true});
var db = new Db("statusReport", mongoServer, {safe:true});
db.open(function(err,db){
if(!err){
db.collection("status",function(err,collection){
if(!err){
collection.find({}, function(a,b){
console.log(a);
console.log(b);
});
}else{
console.log("ERROR: could not open collection");
}
});
db.close();
}else{
console.log("ERROR: could not open database");
}
});
ただし、データを返す代わりに、これを返しています。
{ db:
{ domain: null,
_events: { open: [] },
_maxListeners: 10,
databaseName: 'statusReport',
serverConfig:
{ domain: null,
_events: null,
_maxListeners: 10,
host: '10.141.74.74',
port: 28019,
options: [Object],
internalMaster: true,
connected: true,
poolSize: 5,
disableDriverBSONSizeCheck: false,
ssl: false,
slaveOk: undefined,
_used: true,
_readPreference: null,
socketOptions: [Object],
logger: [Object],
eventHandlers: [Object],
_serverState: 'connected',
_state: [Object],
recordQueryStats: false,
dbInstance: [Circular],
dbInstances: [Object],
connectionPool: [Object],
isMasterDoc: [Object] },
options: { safe: true },
_applicationClosed: false,
native_parser: undefined,
bsonLib:
{ Code: [Function: Code],
Symbol: [Function: Symbol],
BSON: [Object],
DBRef: [Function: DBRef],
Binary: [Object],
ObjectID: [Object],
Long: [Object],
Timestamp: [Object],
Double: [Function: Double],
MinKey: [Function: MinKey],
MaxKey: [Function: MaxKey] },
bson: {},
bson_deserializer:
{ Code: [Function: Code],
Symbol: [Function: Symbol],
BSON: [Object],
DBRef: [Function: DBRef],
Binary: [Object],
ObjectID: [Object],
Long: [Object],
Timestamp: [Object],
Double: [Function: Double],
MinKey: [Function: MinKey],
MaxKey: [Function: MaxKey] },
bson_serializer:
{ Code: [Function: Code],
Symbol: [Function: Symbol],
BSON: [Object],
DBRef: [Function: DBRef],
Binary: [Object],
ObjectID: [Object],
Long: [Object],
Timestamp: [Object],
Double: [Function: Double],
MinKey: [Function: MinKey],
MaxKey: [Function: MaxKey] },
_state: 'connected',
pkFactory:
{ [Function: ObjectID]
index: 0,
createPk: [Function: createPk],
createFromTime: [Function: createFromTime],
createFromHexString: [Function: createFromHexString] },
forceServerObjectId: false,
safe: true,
notReplied: {},
isInitializing: true,
auths: [],
openCalled: true,
commands: [],
_callBackStore: { domain: null, _events: {}, _maxListeners: 10, _notReplied: {} },
logger: { error: [Function], log: [Function], debug: [Function] },
slaveOk: false,
tag: 1363118044637,
eventHandlers:
{ error: [],
parseError: [],
poolReady: [],
message: [],
close: [] },
serializeFunctions: false,
raw: false,
recordQueryStats: false,
reaperEnabled: false,
_lastReaperTimestamp: 1363118044637,
retryMiliSeconds: 1000,
numberOfRetries: 60,
reaperInterval: 10000,
reaperTimeout: 30000,
readPreference: undefined },
collection:
{ db:
{ domain: null,
_events: [Object],
_maxListeners: 10,
databaseName: 'statusReport',
serverConfig: [Object],
options: [Object],
_applicationClosed: false,
native_parser: undefined,
bsonLib: [Object],
bson: {},
bson_deserializer: [Object],
bson_serializer: [Object],
_state: 'connected',
pkFactory: [Object],
forceServerObjectId: false,
safe: true,
notReplied: {},
isInitializing: true,
auths: [],
openCalled: true,
commands: [],
_callBackStore: [Object],
logger: [Object],
slaveOk: false,
tag: 1363118044637,
eventHandlers: [Object],
serializeFunctions: false,
raw: false,
recordQueryStats: false,
reaperEnabled: false,
_lastReaperTimestamp: 1363118044637,
retryMiliSeconds: 1000,
numberOfRetries: 60,
reaperInterval: 10000,
reaperTimeout: 30000,
readPreference: undefined },
collectionName: 'status',
internalHint: null,
opts: {},
slaveOk: false,
serializeFunctions: false,
raw: false,
readPreference: 'primary',
pkFactory:
{ [Function: ObjectID]
index: 0,
createPk: [Function: createPk],
createFromTime: [Function: createFromTime],
createFromHexString: [Function: createFromHexString] } },
selector: {},
fields: undefined,
skipValue: 0,
limitValue: 0,
sortValue: undefined,
hint: null,
explainValue: undefined,
snapshot: undefined,
timeout: true,
tailable: undefined,
awaitdata: undefined,
numberOfRetries: 5,
currentNumberOfRetries: 5,
batchSizeValue: 0,
slaveOk: false,
raw: false,
read: 'primary',
returnKey: undefined,
maxScan: undefined,
min: undefined,
max: undefined,
showDiskLoc: undefined,
comment: undefined,
tailableRetryInterval: 100,
exhaust: false,
partial: false,
totalNumberOfRecords: 0,
items: [],
cursorId: { _bsontype: 'Long', low_: 0, high_: 0 },
dbName: undefined,
state: 0,
queryRun: false,
getMoreTimer: false,
collectionName: 'statusReport.status' }
MongoHub を使用して表示できるので、そこに何かがあることがわかります。私もそこにそれを照会することができます。ここで何が問題なのですか？
また、collection.insert(ここにいくつかのデータ)を実行してみましたが、挿入は機能します。検索だけではありません。