kotovalexarian-likes-github
/
rails--rails
mirror of https://github.com/rails/rails.git
1
0
Fork 0
Code Releases Activity

use correct operator in query based on JSON document

This commit is contained in:
viditn91 2014-09-03 02:31:00 +05:30
parent a2f8377d1d
commit 6d988e2a29
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
guides/source/active_record_postgresql.md
View File

@ -132,7 +132,8 @@ event = Event.first
event.payload # => {"kind"=>"user_renamed", "change"=>["jack", "john"]}
## Query based on JSON document
Event.where("payload->'kind' = ?", "user_renamed")
# The -> operator returns the original JSON type (which might be an object), whereas ->> returns text
Event.where("payload->>'kind' = ?", "user_renamed")
```
### Range Types