Questions tagged [redisjson]
117 questions
92
votes
10 answers
how to store a complex object in redis (using redis-py)
The hmset function can set the value of each field, but I found that if the value itself is a complex structured object, the value return from hget is a serialized string, not the original object
e.g
images= [{'type':'big', 'url':'....'},
…
yuan
- 1,113
- 2
- 9
- 10
10
votes
1 answer
Why am I getting the "ReplyError: ERR unknown command JSON.SET" with Redis?
I was trying to set JSON as value in Redis, and I am getting an error for the following code:
const createClient = require('redis');
async function redisJSONDemo () {
try {
const TEST_KEY = 'test_node';
const client =…
vuld0
- 184
- 1
- 1
- 9
6
votes
1 answer
Redis rejson or string
I am going to use Redis to store json documents that will have nested structure. My requirement is just to set and get the documents. I have no need to perform any json specific commands on the documents. Do I get any advantage by using rejson…
pawinder gupta
- 1,225
- 16
- 35
5
votes
1 answer
Redis: When to use hashes vs RedisJSON?
I'm at a point where I could store a resource in Redis as either hash or RedisJSON. My particular data in this instance is are temporary data objects consisting of several string and numeric fields each. A user will invoke a process which creates a…
xendi
- 2,332
- 5
- 40
- 64
5
votes
2 answers
ERR unknown command 'JSON.SET' - Rejson/Redis
I have followed the tutorial and run:
docker run -p 6379:6379 --name redis-rejson redislabs/rejson:latest
But when I try to run redis-cli and then json.get, I got:
ERR unknown command 'JSON.SET'
MODULE LIST return nil. Can anyone guide me on how…
Minh Anh Tran
- 145
- 1
- 7
4
votes
2 answers
Storing Json object in redis for fast querying
I've been using MongoDB to store and query schema-less json documents (~10 mn records). The queries typically involve finding json documents having a matching key-value pair and run into seconds. I was looking at ways to make queries run faster and…
Kapil Earanky
- 211
- 4
- 18
3
votes
1 answer
redis-py ft().search() not returning results
I'm using the following test code to experiment with RediSearch using RedisJSON data. I would expect client.ft(candles_index).search("4h") to return the JSON data in the candles list, but there are no results returned.
I've been using some of the…
Jason
- 404
- 4
- 14
3
votes
1 answer
Unable to load redis module, RedisJSON
After following the instructions specified here to compile the source code of RedisJson, got the rejson.so file at project_root/target/release, then I entered this command sudo redis-server --loadmodule…
Ercross
- 519
- 6
- 17
3
votes
1 answer
rejson=py example not working on python 3.6
Trying to work through setting up ReJSON with Python3. I am running on Ubuntu 16.04 in windows (WSL) and have Redis and ReJSON working.
Have simplified the python in the https://github.com/RedisLabs/rejson-py docs to isolate the problem:
from…
GregD
- 71
- 4
2
votes
1 answer
How to get only specific properties for multiple keys with RedisJson MGET?
I would like to get only specific properties of multiple RedisJson objects stored in the DB.
For example, 2 RedisJson were created:
JSON.SET Cat:1 . '{"name":"Mitzi", "color":"pink", "age":1}'
JSON.SET Cat:2 . '{"name":"Lucky", "color":"black",…
marina
- 55
- 4
2
votes
1 answer
How to set time to live(TTL) in Redis OM
I am using Redis OM in my spring boot application, I have set Redis configuration and TTL in application.properties, every configuration is ok but TTL is not working.I have added below dependency to use Redis OM
…
M.Minbashi
- 244
- 1
- 3
- 12
2
votes
1 answer
How do I find the index of a json object in an array based off of a value of its properties
I am fairly new to Redis and RedisJson and I have been through all the documentation I can get my hands on, but I still can't seem to figure this one out. I am hoping someone could shed some light on this situation to help me understand. My end goal…
BlueYonder
- 21
- 2
2
votes
1 answer
RedisSearch get max date in JSON
I use RedisSearch to query my products
I want to get last 10 products changed
In SQL I can do that with:
Select top 10 * from products order by max(changedate) desc
How can I get the same result using RedisSearch?
Akelmj
- 99
- 4
2
votes
1 answer
Lua script access object path inside an array
I'm trying to access the object with property optionId = 'a386ead3-08ca-486e-aeb1-23add87292e7' to set its weight.
my object is like following:
weight": {
"options": [
{
"optionId":…
Mohammed Ehab
- 207
- 1
- 5
- 14
2
votes
1 answer
Redisearch unable to search nested JSON array
I am experimenting with use redis-search + redis-json. But facing problem querying on Nested Json with array. I created following JSON
{
"src":{
"location":[
{
"ref":"/uuid/1/xyz",
"key":"zone"
},
…
user19096194
- 21
- 2