How to get total duration for all object in a collection in MongoDB?
0
I am using MongoDB 3.4.18. I have the following collection name : student_details . The data inside it looks like this :
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'abc',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
} ,
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'def',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
}
I want to print the total amount of time spend by student having a particular student_id (let's say abc ) for particular day. For e.g the output should be
{
'student_id' : 'abc',
'total_time_spent': 'total_time_spent_in_minutes'
'date': date
}
Thanks in Advance.
I have tried the following though.
db.student_details.aggregate([
{
$match: {
date_r: {
$gte: ISODate("2018-11-01T00:00:00.000Z"),
$lt: ISODate("2018-11-31T23:59:59.000Z")
} ,
student_id : 'abc',
}
}, {
$group: {
total: {
$sum: <confused_about_this_part>
}
}
}
]);
mongodb mongodb-query aggregation
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
add a comment |
0
I am using MongoDB 3.4.18. I have the following collection name : student_details . The data inside it looks like this :
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'abc',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
} ,
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'def',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
}
I want to print the total amount of time spend by student having a particular student_id (let's say abc ) for particular day. For e.g the output should be
{
'student_id' : 'abc',
'total_time_spent': 'total_time_spent_in_minutes'
'date': date
}
Thanks in Advance.
I have tried the following though.
db.student_details.aggregate([
{
$match: {
date_r: {
$gte: ISODate("2018-11-01T00:00:00.000Z"),
$lt: ISODate("2018-11-31T23:59:59.000Z")
} ,
student_id : 'abc',
}
}, {
$group: {
total: {
$sum: <confused_about_this_part>
}
}
}
]);
mongodb mongodb-query aggregation
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
will there be multiple in/outs for particular day?
– Prabhat Mishra
Nov 26 '18 at 9:56
@PrabhatMishra yes. For the same student_id there can be multiple in and outs.
– Aniket Maithani
Nov 26 '18 at 10:03
Could you post the actual sample data from your mongo database
– Anthony Winzlet
Nov 26 '18 at 17:23
add a comment |
0
0
0
I am using MongoDB 3.4.18. I have the following collection name : student_details . The data inside it looks like this :
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'abc',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
} ,
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'def',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
}
I want to print the total amount of time spend by student having a particular student_id (let's say abc ) for particular day. For e.g the output should be
{
'student_id' : 'abc',
'total_time_spent': 'total_time_spent_in_minutes'
'date': date
}
Thanks in Advance.
I have tried the following though.
db.student_details.aggregate([
{
$match: {
date_r: {
$gte: ISODate("2018-11-01T00:00:00.000Z"),
$lt: ISODate("2018-11-31T23:59:59.000Z")
} ,
student_id : 'abc',
}
}, {
$group: {
total: {
$sum: <confused_about_this_part>
}
}
}
]);
mongodb mongodb-query aggregation
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
I am using MongoDB 3.4.18. I have the following collection name : student_details . The data inside it looks like this :
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'abc',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
} ,
{
_id : ObjectID(generated_id),
in_time : <student_registered_in_time>
student_id : 'def',
out_time: <student_registered_out_time>,
date_r: <date_in_ISO_FORMAT>
}
I want to print the total amount of time spend by student having a particular student_id (let's say abc ) for particular day. For e.g the output should be
{
'student_id' : 'abc',
'total_time_spent': 'total_time_spent_in_minutes'
'date': date
}
Thanks in Advance.
I have tried the following though.
db.student_details.aggregate([
{
$match: {
date_r: {
$gte: ISODate("2018-11-01T00:00:00.000Z"),
$lt: ISODate("2018-11-31T23:59:59.000Z")
} ,
student_id : 'abc',
}
}, {
$group: {
total: {
$sum: <confused_about_this_part>
}
}
}
]);
mongodb mongodb-query aggregation
mongodb mongodb-query aggregation
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
asked Nov 26 '18 at 7:29
Aniket MaithaniAniket Maithani
120110
120110
will there be multiple in/outs for particular day?
– Prabhat Mishra
Nov 26 '18 at 9:56
@PrabhatMishra yes. For the same student_id there can be multiple in and outs.
– Aniket Maithani
Nov 26 '18 at 10:03
Could you post the actual sample data from your mongo database
– Anthony Winzlet
Nov 26 '18 at 17:23
add a comment |
will there be multiple in/outs for particular day?
– Prabhat Mishra
Nov 26 '18 at 9:56
@PrabhatMishra yes. For the same student_id there can be multiple in and outs.
– Aniket Maithani
Nov 26 '18 at 10:03
Could you post the actual sample data from your mongo database
– Anthony Winzlet
Nov 26 '18 at 17:23
will there be multiple in/outs for particular day?
– Prabhat Mishra
Nov 26 '18 at 9:56
will there be multiple in/outs for particular day?
– Prabhat Mishra
Nov 26 '18 at 9:56
@PrabhatMishra yes. For the same student_id there can be multiple in and outs.
– Aniket Maithani
Nov 26 '18 at 10:03
@PrabhatMishra yes. For the same student_id there can be multiple in and outs.
– Aniket Maithani
Nov 26 '18 at 10:03
Could you post the actual sample data from your mongo database
– Anthony Winzlet
Nov 26 '18 at 17:23
Could you post the actual sample data from your mongo database
– Anthony Winzlet
Nov 26 '18 at 17:23
add a comment |
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will there be multiple in/outs for particular day?
– Prabhat Mishra
Nov 26 '18 at 9:56
@PrabhatMishra yes. For the same student_id there can be multiple in and outs.
– Aniket Maithani
Nov 26 '18 at 10:03
Could you post the actual sample data from your mongo database
– Anthony Winzlet
Nov 26 '18 at 17:23