How do I input a NodeJS variable as a parameter in a MongoDB Query












0















I've read through every stack overflow I can find and I don't understand why this still isn't working.



I'm trying to construct a NodeJS Mongo find query and very simply want to use a variable as the values, the key does not need to be dynamic.



This is the code I was working with initially :



collection.find({project_id : project_id_val})



but this simply returns :



Found the following records





I've also tried constructing my own javascript object and passing that in e.g.



Query = {}



Query["project id"] = project_id_val



collection.find(query)



But that doesn't work either, I know the key/value pair is correct because
project_id: "12345" works absolutely fine, and returns exactly what I want it to. I feel like this should be very simple so if someone could let me know where I'm going wrong that would be great.



Thanks.










share|improve this question























  • Welcome to SO! When you log out the value project_id_val do you get the value you are expecting? Is there a document in your database that corresponds with that value? Also, is the type of that value correct?

    – Max Baldwin
    Nov 14 '18 at 16:17











  • Is your project_id_val a number and your data in DB a string?

    – ankitjaininfo
    Nov 14 '18 at 16:24













  • Wow! I feel stupid, it was the type, I was inserting it as an int but for some reason when I was passing it as a parameter to my get API it classed the variable as a string. I changed it to a string in the MongoDB and it's working perfectly.

    – ryand88
    Nov 14 '18 at 16:39











  • @ryand88 glad you figured it out. One other thing, if it is a MongoDB Object Id, something you would see under _id, you should use the ObjectID type. Just wanted to point that out: docs.mongodb.com/manual/reference/method/ObjectId

    – Max Baldwin
    Nov 14 '18 at 16:56
















0















I've read through every stack overflow I can find and I don't understand why this still isn't working.



I'm trying to construct a NodeJS Mongo find query and very simply want to use a variable as the values, the key does not need to be dynamic.



This is the code I was working with initially :



collection.find({project_id : project_id_val})



but this simply returns :



Found the following records





I've also tried constructing my own javascript object and passing that in e.g.



Query = {}



Query["project id"] = project_id_val



collection.find(query)



But that doesn't work either, I know the key/value pair is correct because
project_id: "12345" works absolutely fine, and returns exactly what I want it to. I feel like this should be very simple so if someone could let me know where I'm going wrong that would be great.



Thanks.










share|improve this question























  • Welcome to SO! When you log out the value project_id_val do you get the value you are expecting? Is there a document in your database that corresponds with that value? Also, is the type of that value correct?

    – Max Baldwin
    Nov 14 '18 at 16:17











  • Is your project_id_val a number and your data in DB a string?

    – ankitjaininfo
    Nov 14 '18 at 16:24













  • Wow! I feel stupid, it was the type, I was inserting it as an int but for some reason when I was passing it as a parameter to my get API it classed the variable as a string. I changed it to a string in the MongoDB and it's working perfectly.

    – ryand88
    Nov 14 '18 at 16:39











  • @ryand88 glad you figured it out. One other thing, if it is a MongoDB Object Id, something you would see under _id, you should use the ObjectID type. Just wanted to point that out: docs.mongodb.com/manual/reference/method/ObjectId

    – Max Baldwin
    Nov 14 '18 at 16:56














0












0








0


0






I've read through every stack overflow I can find and I don't understand why this still isn't working.



I'm trying to construct a NodeJS Mongo find query and very simply want to use a variable as the values, the key does not need to be dynamic.



This is the code I was working with initially :



collection.find({project_id : project_id_val})



but this simply returns :



Found the following records





I've also tried constructing my own javascript object and passing that in e.g.



Query = {}



Query["project id"] = project_id_val



collection.find(query)



But that doesn't work either, I know the key/value pair is correct because
project_id: "12345" works absolutely fine, and returns exactly what I want it to. I feel like this should be very simple so if someone could let me know where I'm going wrong that would be great.



Thanks.










share|improve this question














I've read through every stack overflow I can find and I don't understand why this still isn't working.



I'm trying to construct a NodeJS Mongo find query and very simply want to use a variable as the values, the key does not need to be dynamic.



This is the code I was working with initially :



collection.find({project_id : project_id_val})



but this simply returns :



Found the following records





I've also tried constructing my own javascript object and passing that in e.g.



Query = {}



Query["project id"] = project_id_val



collection.find(query)



But that doesn't work either, I know the key/value pair is correct because
project_id: "12345" works absolutely fine, and returns exactly what I want it to. I feel like this should be very simple so if someone could let me know where I'm going wrong that would be great.



Thanks.







node.js mongodb






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 14 '18 at 16:14









ryand88ryand88

1




1













  • Welcome to SO! When you log out the value project_id_val do you get the value you are expecting? Is there a document in your database that corresponds with that value? Also, is the type of that value correct?

    – Max Baldwin
    Nov 14 '18 at 16:17











  • Is your project_id_val a number and your data in DB a string?

    – ankitjaininfo
    Nov 14 '18 at 16:24













  • Wow! I feel stupid, it was the type, I was inserting it as an int but for some reason when I was passing it as a parameter to my get API it classed the variable as a string. I changed it to a string in the MongoDB and it's working perfectly.

    – ryand88
    Nov 14 '18 at 16:39











  • @ryand88 glad you figured it out. One other thing, if it is a MongoDB Object Id, something you would see under _id, you should use the ObjectID type. Just wanted to point that out: docs.mongodb.com/manual/reference/method/ObjectId

    – Max Baldwin
    Nov 14 '18 at 16:56



















  • Welcome to SO! When you log out the value project_id_val do you get the value you are expecting? Is there a document in your database that corresponds with that value? Also, is the type of that value correct?

    – Max Baldwin
    Nov 14 '18 at 16:17











  • Is your project_id_val a number and your data in DB a string?

    – ankitjaininfo
    Nov 14 '18 at 16:24













  • Wow! I feel stupid, it was the type, I was inserting it as an int but for some reason when I was passing it as a parameter to my get API it classed the variable as a string. I changed it to a string in the MongoDB and it's working perfectly.

    – ryand88
    Nov 14 '18 at 16:39











  • @ryand88 glad you figured it out. One other thing, if it is a MongoDB Object Id, something you would see under _id, you should use the ObjectID type. Just wanted to point that out: docs.mongodb.com/manual/reference/method/ObjectId

    – Max Baldwin
    Nov 14 '18 at 16:56

















Welcome to SO! When you log out the value project_id_val do you get the value you are expecting? Is there a document in your database that corresponds with that value? Also, is the type of that value correct?

– Max Baldwin
Nov 14 '18 at 16:17





Welcome to SO! When you log out the value project_id_val do you get the value you are expecting? Is there a document in your database that corresponds with that value? Also, is the type of that value correct?

– Max Baldwin
Nov 14 '18 at 16:17













Is your project_id_val a number and your data in DB a string?

– ankitjaininfo
Nov 14 '18 at 16:24







Is your project_id_val a number and your data in DB a string?

– ankitjaininfo
Nov 14 '18 at 16:24















Wow! I feel stupid, it was the type, I was inserting it as an int but for some reason when I was passing it as a parameter to my get API it classed the variable as a string. I changed it to a string in the MongoDB and it's working perfectly.

– ryand88
Nov 14 '18 at 16:39





Wow! I feel stupid, it was the type, I was inserting it as an int but for some reason when I was passing it as a parameter to my get API it classed the variable as a string. I changed it to a string in the MongoDB and it's working perfectly.

– ryand88
Nov 14 '18 at 16:39













@ryand88 glad you figured it out. One other thing, if it is a MongoDB Object Id, something you would see under _id, you should use the ObjectID type. Just wanted to point that out: docs.mongodb.com/manual/reference/method/ObjectId

– Max Baldwin
Nov 14 '18 at 16:56





@ryand88 glad you figured it out. One other thing, if it is a MongoDB Object Id, something you would see under _id, you should use the ObjectID type. Just wanted to point that out: docs.mongodb.com/manual/reference/method/ObjectId

– Max Baldwin
Nov 14 '18 at 16:56












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