how to drop data in mongo db using python












1















In my mongodb I have around 20K records,
now From the same mongodb I am importing only 500 records in python and now I need to delete those 500 records which I have imported , is it possible to delete those 500 records using python?



my code for importing 500 records



from pymongo import MongoClient
con = MongoClient(local host, 27017)
db = con.rssfeeds_db
data = pd.DataFrame(list(db.restdata.find().limit(500)))









share|improve this question



























    1















    In my mongodb I have around 20K records,
    now From the same mongodb I am importing only 500 records in python and now I need to delete those 500 records which I have imported , is it possible to delete those 500 records using python?



    my code for importing 500 records



    from pymongo import MongoClient
    con = MongoClient(local host, 27017)
    db = con.rssfeeds_db
    data = pd.DataFrame(list(db.restdata.find().limit(500)))









    share|improve this question

























      1












      1








      1








      In my mongodb I have around 20K records,
      now From the same mongodb I am importing only 500 records in python and now I need to delete those 500 records which I have imported , is it possible to delete those 500 records using python?



      my code for importing 500 records



      from pymongo import MongoClient
      con = MongoClient(local host, 27017)
      db = con.rssfeeds_db
      data = pd.DataFrame(list(db.restdata.find().limit(500)))









      share|improve this question














      In my mongodb I have around 20K records,
      now From the same mongodb I am importing only 500 records in python and now I need to delete those 500 records which I have imported , is it possible to delete those 500 records using python?



      my code for importing 500 records



      from pymongo import MongoClient
      con = MongoClient(local host, 27017)
      db = con.rssfeeds_db
      data = pd.DataFrame(list(db.restdata.find().limit(500)))






      python mongodb import






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 14 '18 at 15:24









      Rahul VarmaRahul Varma

      1378




      1378
























          1 Answer
          1






          active

          oldest

          votes


















          1














          You would need to use the _id for each record so that you could tell pymongo which records to delete. For example:



          from pymongo import MongoClient
          con = MongoClient(localhost, 27017)
          db = con.rssfeeds_db

          // create a list of the records. each one will be a dict.
          records = [x for x in db.restdata.find().limit(500)]

          // create a list of the 500 ids so we only need to call the db once
          record_ids = [record['_id'] for record in records]

          //create your dataframe
          data = pd.DataFrame(records)

          // delete all 500 records at once
          db.restdata.delete_many(
          {'_id':
          {'$in': record_ids}
          },
          )





          share|improve this answer


























          • hi @forgetso I am getting error for the above code TypeError: 'Collection' object is not callable. If you meant to call the 'deleteMany' method on a 'Collection' object it is failing because no such method exists.

            – Rahul Varma
            Nov 14 '18 at 15:44













          • My bad, it should be delete_many for pymongo (deleteMany in Mongo shell). I've updated the answer. Let me know if this works for you.

            – forgetso
            Nov 14 '18 at 15:45













          • Its working fine thank you @forgetso

            – Rahul Varma
            Nov 14 '18 at 15:47













          • Glad to hear it :)

            – forgetso
            Nov 14 '18 at 15:47











          Your Answer






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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          You would need to use the _id for each record so that you could tell pymongo which records to delete. For example:



          from pymongo import MongoClient
          con = MongoClient(localhost, 27017)
          db = con.rssfeeds_db

          // create a list of the records. each one will be a dict.
          records = [x for x in db.restdata.find().limit(500)]

          // create a list of the 500 ids so we only need to call the db once
          record_ids = [record['_id'] for record in records]

          //create your dataframe
          data = pd.DataFrame(records)

          // delete all 500 records at once
          db.restdata.delete_many(
          {'_id':
          {'$in': record_ids}
          },
          )





          share|improve this answer


























          • hi @forgetso I am getting error for the above code TypeError: 'Collection' object is not callable. If you meant to call the 'deleteMany' method on a 'Collection' object it is failing because no such method exists.

            – Rahul Varma
            Nov 14 '18 at 15:44













          • My bad, it should be delete_many for pymongo (deleteMany in Mongo shell). I've updated the answer. Let me know if this works for you.

            – forgetso
            Nov 14 '18 at 15:45













          • Its working fine thank you @forgetso

            – Rahul Varma
            Nov 14 '18 at 15:47













          • Glad to hear it :)

            – forgetso
            Nov 14 '18 at 15:47
















          1














          You would need to use the _id for each record so that you could tell pymongo which records to delete. For example:



          from pymongo import MongoClient
          con = MongoClient(localhost, 27017)
          db = con.rssfeeds_db

          // create a list of the records. each one will be a dict.
          records = [x for x in db.restdata.find().limit(500)]

          // create a list of the 500 ids so we only need to call the db once
          record_ids = [record['_id'] for record in records]

          //create your dataframe
          data = pd.DataFrame(records)

          // delete all 500 records at once
          db.restdata.delete_many(
          {'_id':
          {'$in': record_ids}
          },
          )





          share|improve this answer


























          • hi @forgetso I am getting error for the above code TypeError: 'Collection' object is not callable. If you meant to call the 'deleteMany' method on a 'Collection' object it is failing because no such method exists.

            – Rahul Varma
            Nov 14 '18 at 15:44













          • My bad, it should be delete_many for pymongo (deleteMany in Mongo shell). I've updated the answer. Let me know if this works for you.

            – forgetso
            Nov 14 '18 at 15:45













          • Its working fine thank you @forgetso

            – Rahul Varma
            Nov 14 '18 at 15:47













          • Glad to hear it :)

            – forgetso
            Nov 14 '18 at 15:47














          1












          1








          1







          You would need to use the _id for each record so that you could tell pymongo which records to delete. For example:



          from pymongo import MongoClient
          con = MongoClient(localhost, 27017)
          db = con.rssfeeds_db

          // create a list of the records. each one will be a dict.
          records = [x for x in db.restdata.find().limit(500)]

          // create a list of the 500 ids so we only need to call the db once
          record_ids = [record['_id'] for record in records]

          //create your dataframe
          data = pd.DataFrame(records)

          // delete all 500 records at once
          db.restdata.delete_many(
          {'_id':
          {'$in': record_ids}
          },
          )





          share|improve this answer















          You would need to use the _id for each record so that you could tell pymongo which records to delete. For example:



          from pymongo import MongoClient
          con = MongoClient(localhost, 27017)
          db = con.rssfeeds_db

          // create a list of the records. each one will be a dict.
          records = [x for x in db.restdata.find().limit(500)]

          // create a list of the 500 ids so we only need to call the db once
          record_ids = [record['_id'] for record in records]

          //create your dataframe
          data = pd.DataFrame(records)

          // delete all 500 records at once
          db.restdata.delete_many(
          {'_id':
          {'$in': record_ids}
          },
          )






          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Nov 14 '18 at 15:46

























          answered Nov 14 '18 at 15:31









          forgetsoforgetso

          370116




          370116













          • hi @forgetso I am getting error for the above code TypeError: 'Collection' object is not callable. If you meant to call the 'deleteMany' method on a 'Collection' object it is failing because no such method exists.

            – Rahul Varma
            Nov 14 '18 at 15:44













          • My bad, it should be delete_many for pymongo (deleteMany in Mongo shell). I've updated the answer. Let me know if this works for you.

            – forgetso
            Nov 14 '18 at 15:45













          • Its working fine thank you @forgetso

            – Rahul Varma
            Nov 14 '18 at 15:47













          • Glad to hear it :)

            – forgetso
            Nov 14 '18 at 15:47



















          • hi @forgetso I am getting error for the above code TypeError: 'Collection' object is not callable. If you meant to call the 'deleteMany' method on a 'Collection' object it is failing because no such method exists.

            – Rahul Varma
            Nov 14 '18 at 15:44













          • My bad, it should be delete_many for pymongo (deleteMany in Mongo shell). I've updated the answer. Let me know if this works for you.

            – forgetso
            Nov 14 '18 at 15:45













          • Its working fine thank you @forgetso

            – Rahul Varma
            Nov 14 '18 at 15:47













          • Glad to hear it :)

            – forgetso
            Nov 14 '18 at 15:47

















          hi @forgetso I am getting error for the above code TypeError: 'Collection' object is not callable. If you meant to call the 'deleteMany' method on a 'Collection' object it is failing because no such method exists.

          – Rahul Varma
          Nov 14 '18 at 15:44







          hi @forgetso I am getting error for the above code TypeError: 'Collection' object is not callable. If you meant to call the 'deleteMany' method on a 'Collection' object it is failing because no such method exists.

          – Rahul Varma
          Nov 14 '18 at 15:44















          My bad, it should be delete_many for pymongo (deleteMany in Mongo shell). I've updated the answer. Let me know if this works for you.

          – forgetso
          Nov 14 '18 at 15:45







          My bad, it should be delete_many for pymongo (deleteMany in Mongo shell). I've updated the answer. Let me know if this works for you.

          – forgetso
          Nov 14 '18 at 15:45















          Its working fine thank you @forgetso

          – Rahul Varma
          Nov 14 '18 at 15:47







          Its working fine thank you @forgetso

          – Rahul Varma
          Nov 14 '18 at 15:47















          Glad to hear it :)

          – forgetso
          Nov 14 '18 at 15:47





          Glad to hear it :)

          – forgetso
          Nov 14 '18 at 15:47




















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