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Hstore and JSON fields are not supported with store

The use of `store` on Hstore fields (for instance) is not needed
because serialization aimed to interact with Ruby objects and not
with provided field types
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commit 1478ebf66c158bd214ed807622ec941cad4e3dee 1 parent 97ad84e
@robin850 robin850 authored
Showing with 4 additions and 0 deletions.
  1. +4 −0 activerecord/lib/active_record/store.rb
4 activerecord/lib/active_record/store.rb
@@ -15,6 +15,10 @@ module ActiveRecord
# You can set custom coder to encode/decode your serialized attributes to/from different formats.
# JSON, YAML, Marshal are supported out of the box. Generally it can be any wrapper that provides +load+ and +dump+.
+ # With PostgreSQL, the +store+ feature is not supported for field types such as Hstore
+ # or JSON because it would add an extra layer of serialization and this is not needed.
+ # Rely on +store_accessor+ instead.
+ #
# Examples:
# class User < ActiveRecord::Base
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