All Questions
Tagged with mongodb-query spring-data-mongodb
290
questions
0
votes
0
answers
38
views
Spring Data MongoDB Aggregation - Invalid Reference Error
I am working on a Spring Data MongoDB Aggregation Pipeline. The pipeline has multiple stages (match, unwind, project, group, addFields, etc.).
At all these stages, I just pass (totally undisturbed) an ...
0
votes
0
answers
33
views
How to convert this mongo shell to java
I'm trying to convert this mongo shell to Mongotemplate, but I can't find any way to do it.
Here is the shell：
db.userCustomSetting.deleteMany({
$expr: {$regexMatch: {input: { $toString: "$...
- 1
0
votes
1
answer
95
views
org.springframework.data.mapping.model.MappingInstantiationException: Failed to instantiate void using constructor NO_CONSTRUCTOR with arguments
I am using spring data mongo for updating one property by the id using mongo repository methods
@Repository
public interface CategoryRepository extends MongoRepository<CategoryEntity,Integer> {
...
1
vote
1
answer
237
views
Spring Data Mongo Property Expression Query not returning any results
I have recently started working on a Spring Boot project and chose MongoDB as my database. I have the following Document structure.
Following is the User document structure.
@Data
@Builder(...
- 31
0
votes
0
answers
44
views
Better way to store mongo collections details as Java constants
public class MongoDBConstants {
// Define the collection names
public static final String USER_COLLECTION = "users";
public static final String PRODUCT_COLLECTION = "...
-1
votes
1
answer
78
views
Optimize mongo $in query
I've a mongo collection having around 550,000 documents. Document has an array field path on which i have a below query in my java code. This field is indexed.
Problem is ids in below query can go up ...
- 25
1
vote
0
answers
347
views
Spring data MongoDB (aggregation)
Let's consider the following documents:
country{id="1", name="France", cities=[{detail="new_city"}, {from="Paris"}, {from="Lyon"} ]}
country{id="...
- 47
3
votes
1
answer
53
views
How to lookup in the same document under a collection in MongoDB
I am having below document in MongoDB [UPDATE : Shortened the document]
{
"sections": [
{
"_id": {
"$oid": "64cbeb62b669cd29a5719a8f"
}...
- 159
1
vote
1
answer
29
views
How to update value in below document in MongoDB
I have below document in MongoDB in which I want to update the 'value' field given the attribute say '64ca0aaa731a2a7284c24c5f here.
{
"id": "64ca0aaa731a2a7284c24c57",
"...
- 159
0
votes
0
answers
38
views
MongoDB Aggregations Java - Efficient distinct count
Let's say I have 'events' collection in MongoDB with millions of documents, and each document in that collection looks something like that:
{
id: "fg3df23",
config_id: "49gjd3s&...
0
votes
1
answer
349
views
How can I use Spring Data MongoDB to rename a string field and change it to an array?
I have the following updateMany MongoDB command which renames a field and converts it from a string to a single element array. It's runnable in the MongoDB Shell (mongosh), and uses an aggregation ...
- 18.7k
0
votes
1
answer
335
views
Sorting date field by Day and Month in a MongoDB Query in Spring
I wanted to sort the results of a query by a Date of Birth field, but while storing a garbage year value.
This is because, we used to allow birth year, but we do not require it anymore.
I am using ...
- 23
0
votes
1
answer
610
views
How to use spring-data-mongodb to implement complex expressions under $substr in Aggregation.project
I have a mongodb query that should be converted to spring-data code.
db.collection.aggregate([
{
"$project": {
"partnerid": 1,
"market": {
"...
- 3
4
votes
1
answer
71
views
mongo how to load nested document by aggregation
I have 3 kinds of document listed as below:
vilya_be> db.plots.find({})
[
{
_id: ObjectId("6426b069ca83da130cdb7f70"),
x: 0,
y: 0,
_class: 'com.vilya.farm.domain.model....
- 1,135
1
vote
0
answers
496
views
UncategorizedMongoDbException: 'Invalid $project :: caused by :: Cannot use positional projection in aggregation projection'
I'm getting this error on my service method :
org.springframework.data.mongodb.UncategorizedMongoDbException: Query failed with error code 31324 with name 'Location31324' and error message 'Invalid $...
