Firestore firebase Android search and update query

I am trying to update a field of existing document in my collection in FireBase Firestore. I want to search that document using one of its field.
My collection name is "complaints",
My document's structure looks like --

complainant_Name: "XYZ"

complaint_Details : "some random details"

e_Mail: "xyz@gmail.com"

id: 5

phone_No: "1234567890"

I want to search documents and if "id" field of a document is say 5, I want to update it say change "complainant_Name" field to "ABC". How to write the code for this query in java android? I couldn't find any code source which tells how to update after searching in Firebase Firestore.

asked Nov 19 '18 at 16:25

Ankit Selwal

I think, this will help you stackoverflow.com/questions/34537369/…
– ATIK FAYSAL
Nov 19 '18 at 16:36

@ATIKFAYSAL You provided a link that explains how to do this in Firebase realtime database while the OP is asking for Cloud Firestore, which is a different product.
– Alex Mamo
Nov 19 '18 at 16:43

I want to query on Firebase Firestore , not Firebase realtime database. The link you are providing is for the Firebase realtime database. And also I want to update as well (not only search as mentioned in link).
– Ankit Selwal
Nov 19 '18 at 16:49

add a comment |

complainant_Name: "XYZ"

complaint_Details : "some random details"

e_Mail: "xyz@gmail.com"

id: 5

phone_No: "1234567890"

asked Nov 19 '18 at 16:25

Ankit Selwal

I think, this will help you stackoverflow.com/questions/34537369/…
– ATIK FAYSAL
Nov 19 '18 at 16:36

@ATIKFAYSAL You provided a link that explains how to do this in Firebase realtime database while the OP is asking for Cloud Firestore, which is a different product.
– Alex Mamo
Nov 19 '18 at 16:43

I want to query on Firebase Firestore , not Firebase realtime database. The link you are providing is for the Firebase realtime database. And also I want to update as well (not only search as mentioned in link).
– Ankit Selwal
Nov 19 '18 at 16:49

add a comment |

complainant_Name: "XYZ"

complaint_Details : "some random details"

e_Mail: "xyz@gmail.com"

id: 5

phone_No: "1234567890"

asked Nov 19 '18 at 16:25

Ankit Selwal

complainant_Name: "XYZ"

complaint_Details : "some random details"

e_Mail: "xyz@gmail.com"

id: 5

phone_No: "1234567890"

android firebase google-cloud-firestore

asked Nov 19 '18 at 16:25

Ankit Selwal

asked Nov 19 '18 at 16:25

Ankit Selwal

asked Nov 19 '18 at 16:25

Ankit Selwal

asked Nov 19 '18 at 16:25

Ankit Selwal

asked Nov 19 '18 at 16:25

Ankit Selwal

I think, this will help you stackoverflow.com/questions/34537369/…
– ATIK FAYSAL
Nov 19 '18 at 16:36

@ATIKFAYSAL You provided a link that explains how to do this in Firebase realtime database while the OP is asking for Cloud Firestore, which is a different product.
– Alex Mamo
Nov 19 '18 at 16:43

I want to query on Firebase Firestore , not Firebase realtime database. The link you are providing is for the Firebase realtime database. And also I want to update as well (not only search as mentioned in link).
– Ankit Selwal
Nov 19 '18 at 16:49

add a comment |

I think, this will help you stackoverflow.com/questions/34537369/…
– ATIK FAYSAL
Nov 19 '18 at 16:36

@ATIKFAYSAL You provided a link that explains how to do this in Firebase realtime database while the OP is asking for Cloud Firestore, which is a different product.
– Alex Mamo
Nov 19 '18 at 16:43

I want to query on Firebase Firestore , not Firebase realtime database. The link you are providing is for the Firebase realtime database. And also I want to update as well (not only search as mentioned in link).
– Ankit Selwal
Nov 19 '18 at 16:49

I think, this will help you stackoverflow.com/questions/34537369/…
– ATIK FAYSAL
Nov 19 '18 at 16:36

@ATIKFAYSAL You provided a link that explains how to do this in Firebase realtime database while the OP is asking for Cloud Firestore, which is a different product.
– Alex Mamo
Nov 19 '18 at 16:43

I want to query on Firebase Firestore , not Firebase realtime database. The link you are providing is for the Firebase realtime database. And also I want to update as well (not only search as mentioned in link).
– Ankit Selwal
Nov 19 '18 at 16:49

add a comment |

1 Answer
1

active

oldest

votes

To solve this, please use the following lines of code:

FirebaseFirestore rootRef = FirebaseFirestore.getInstance();

CollectionReference complaintsRef = rootRef.coolection("complaints");

complaintsRef.whereEqualTo("id", 5).get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {

    @Override

    public void onComplete(@NonNull Task<QuerySnapshot> task) {

        if (task.isSuccessful()) {

            for (QueryDocumentSnapshot document : task.getResult()) {

                Map<Object, String> map = new HashMap<>();

                map.put("complainant_Name", "ABC");

                complaintsRef.document(document.getId()).set(map, SetOptions.merge());

            }

        }

    }

});

After using this code, the property complainant_Name will hold the value of ABC.

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

Thank you very much !!
– Ankit Selwal
Nov 19 '18 at 17:02

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

To solve this, please use the following lines of code:

FirebaseFirestore rootRef = FirebaseFirestore.getInstance();

CollectionReference complaintsRef = rootRef.coolection("complaints");

complaintsRef.whereEqualTo("id", 5).get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {

    @Override

    public void onComplete(@NonNull Task<QuerySnapshot> task) {

        if (task.isSuccessful()) {

            for (QueryDocumentSnapshot document : task.getResult()) {

                Map<Object, String> map = new HashMap<>();

                map.put("complainant_Name", "ABC");

                complaintsRef.document(document.getId()).set(map, SetOptions.merge());

            }

        }

    }

});

After using this code, the property complainant_Name will hold the value of ABC.

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

Thank you very much !!
– Ankit Selwal
Nov 19 '18 at 17:02

add a comment |

To solve this, please use the following lines of code:

FirebaseFirestore rootRef = FirebaseFirestore.getInstance();

CollectionReference complaintsRef = rootRef.coolection("complaints");

complaintsRef.whereEqualTo("id", 5).get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {

    @Override

    public void onComplete(@NonNull Task<QuerySnapshot> task) {

        if (task.isSuccessful()) {

            for (QueryDocumentSnapshot document : task.getResult()) {

                Map<Object, String> map = new HashMap<>();

                map.put("complainant_Name", "ABC");

                complaintsRef.document(document.getId()).set(map, SetOptions.merge());

            }

        }

    }

});

After using this code, the property complainant_Name will hold the value of ABC.

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

Thank you very much !!
– Ankit Selwal
Nov 19 '18 at 17:02

add a comment |

To solve this, please use the following lines of code:

FirebaseFirestore rootRef = FirebaseFirestore.getInstance();

CollectionReference complaintsRef = rootRef.coolection("complaints");

complaintsRef.whereEqualTo("id", 5).get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {

    @Override

    public void onComplete(@NonNull Task<QuerySnapshot> task) {

        if (task.isSuccessful()) {

            for (QueryDocumentSnapshot document : task.getResult()) {

                Map<Object, String> map = new HashMap<>();

                map.put("complainant_Name", "ABC");

                complaintsRef.document(document.getId()).set(map, SetOptions.merge());

            }

        }

    }

});

After using this code, the property complainant_Name will hold the value of ABC.

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

To solve this, please use the following lines of code:

FirebaseFirestore rootRef = FirebaseFirestore.getInstance();

CollectionReference complaintsRef = rootRef.coolection("complaints");

complaintsRef.whereEqualTo("id", 5).get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {

    @Override

    public void onComplete(@NonNull Task<QuerySnapshot> task) {

        if (task.isSuccessful()) {

            for (QueryDocumentSnapshot document : task.getResult()) {

                Map<Object, String> map = new HashMap<>();

                map.put("complainant_Name", "ABC");

                complaintsRef.document(document.getId()).set(map, SetOptions.merge());

            }

        }

    }

});

After using this code, the property complainant_Name will hold the value of ABC.

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

answered Nov 19 '18 at 16:42

Alex Mamo

39.3k72759

Thank you very much !!
– Ankit Selwal
Nov 19 '18 at 17:02

add a comment |

Thank you very much !!
– Ankit Selwal
Nov 19 '18 at 17:02

Thank you very much !!
– Ankit Selwal
Nov 19 '18 at 17:02

add a comment |

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