I am trying to read the output of find function from mongodb connection.
I want to store result of database to JSON/Array called result like :
collection= db.collection('users');
result =collection.find().
Right now with this code in result i am getting some weird long json output:
{ db:
{ domain: null,
_events: {},
_maxListeners: 10,
databaseName: 'askr',
serverConfig:
{ domain: null,
_events: [Object],
_maxListeners: 10,
auth: [Getter],
_callBackStore: [Object],
_commandsStore: [Object],
_dbStore: [Object],
options: [Object],
_serverState: 'connected',
_haProcess: [Object],
servers: [Object],
strategyInstance: [Object],
emitOpen: false,
_state: [Object],
_currentServerChoice: 0,
socketTimeoutMS: [Getter/Setter],
_used: true,
logger: [Object] },
options:
{ read_preference_tags: null,
read_preference: 'primary',
url: 'mongodb://vishal:[email protected]:55680/askr',
native_parser: true,
readPreference: [Object],
safe: false,
w: 1 },
_applicationClosed: false,
slaveOk: false,
bufferMaxEntries: -1,
native_parser: true,
bsonLib:
{ BSON: [Object],
Long: [Object],
ObjectID: [Object],
DBRef: [Object],
Code: [Object],
Timestamp: [Object],
Binary: [Object],
Double: [Object],
MaxKey: [Object],
MinKey: [Object],
Symbol: [Object] },
bson: { promoteLongs: true },
bson_deserializer:
{ Code: [Object],
Symbol: [Object],
BSON: [Object],
DBRef: [Object],
Binary: [Object],
ObjectID: [Object],
Long: [Object],
Timestamp: [Object],
Double: [Object],
MinKey: [Object],
MaxKey: [Object],
promoteLongs: true },
bson_serializer:
{ Code: [Object],
Symbol: [Object],
BSON: [Object],
DBRef: [Object],
Binary: [Object],
ObjectID: [Object],
Long: [Object],
Timestamp: [Object],
Double: [Object],
MinKey: [Object],
MaxKey: [Object],
promoteLongs: true },
_state: 'connected',
pkFactory:
{ [Function: ObjectID]
index: 14533369,
createPk: [Function: createPk],
createFromTime: [Function: createFromTime],
createFromHexString: [Function: createFromHexString],
isValid: [Function: isValid],
ObjectID: [Circular],
ObjectId: [Circular] },
forceServerObjectId: false,
safe: false,
notReplied: {},
isInitializing: true,
openCalled: true,
commands: [],
logger: { error: [Function], log: [Function], debug: [Function] },
tag: 1426645764322,
eventHandlers:
{ error: [],
parseError: [],
poolReady: [],
message: [],
close: [] },
serializeFunctions: false,
raw: false,
recordQueryStats: false,
retryMiliSeconds: 1000,
numberOfRetries: 60,
readPreference: { _type: 'ReadPreference', mode: 'primary', tags: undefined } },
collection:
{ db:
{ domain: null,
_events: {},
_maxListeners: 10,
databaseName: 'askr',
serverConfig: [Object],
options: [Object],
_applicationClosed: false,
slaveOk: false,
bufferMaxEntries: -1,
native_parser: true,
bsonLib: [Object],
bson: [Object],
bson_deserializer: [Object],
bson_serializer: [Object],
_state: 'connected',
pkFactory: [Object],
forceServerObjectId: false,
safe: false,
notReplied: {},
isInitializing: true,
openCalled: true,
commands: [],
logger: [Object],
tag: 1426645764322,
eventHandlers: [Object],
serializeFunctions: false,
raw: false,
recordQueryStats: false,
retryMiliSeconds: 1000,
numberOfRetries: 60,
readPreference: [Object] },
collectionName: 'users',
internalHint: null,
opts: {},
slaveOk: false,
serializeFunctions: false,
raw: false,
readPreference: { _type: 'ReadPreference', mode: 'primary', tags: undefined },
pkFactory:
{ [Function: ObjectID]
index: 14533369,
createPk: [Function: createPk],
createFromTime: [Function: createFromTime],
createFromHexString: [Function: createFromHexString],
isValid: [Function: isValid],
ObjectID: [Circular],
ObjectId: [Circular] },
serverCapabilities: undefined },
selector: {},
fields: undefined,
skipValue: 0,
limitValue: 0,
sortValue: undefined,
hint: null,
explainValue: undefined,
snapshot: undefined,
timeout: true,
tailable: undefined,
awaitdata: undefined,
oplogReplay: undefined,
numberOfRetries: 5,
currentNumberOfRetries: 5,
batchSizeValue: 0,
raw: false,
readPreference: { _type: 'ReadPreference', mode: 'primary', tags: undefined },
returnKey: undefined,
maxScan: undefined,
min: undefined,
max: undefined,
showDiskLoc: undefined,
comment: undefined,
tailableRetryInterval: 100,
exhaust: false,
partial: false,
slaveOk: false,
maxTimeMSValue: undefined,
connection: undefined,
transforms: undefined,
totalNumberOfRecords: 0,
items: [],
cursorId: { _bsontype: 'Long', low_: 0, high_: 0 },
dbName: undefined,
state: 0,
queryRun: false,
getMoreTimer: false,
collectionName: 'askr.users' }
In MongoDB, find() method is used to select documents in a collection and return a cursor to the selected documents. Cursor means a pointer that points to a document, when we use find() method it returns a pointer on the selected documents and returns one by one.
The find() method in MongoDB selects documents in a collection or view and returns a cursor to the selected documents. It has two parameters: query and projection.
The . findOne() method of the base driver similarly returns either a result or a null document where the conditions do not match.
MongoDB is a document database.
You can simply use:
collection.find().toArray();
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