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| author | Eugene Gilburg <eugene.gilburg@gmail.com> | 2014-07-09 13:47:17 -0700 |
|---|---|---|
| committer | Eugene Gilburg <eugene.gilburg@gmail.com> | 2014-07-09 14:23:30 -0700 |
| commit | d703fe5fff6eed15274f461087b3a9dcadaa7531 (patch) | |
| tree | b14387c41b0d8533e0c8768a26204c1b588143bd /guides | |
| parent | 4c34ad37b2e15731ecf22686fa98755ca0c4757e (diff) | |
| download | rails-d703fe5fff6eed15274f461087b3a9dcadaa7531.tar.gz rails-d703fe5fff6eed15274f461087b3a9dcadaa7531.tar.bz2 rails-d703fe5fff6eed15274f461087b3a9dcadaa7531.zip | |
[ci skip] Document millisecond precision change in ActiveSupport::TimeWithZone#as_json
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/upgrading_ruby_on_rails.md | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/guides/source/upgrading_ruby_on_rails.md b/guides/source/upgrading_ruby_on_rails.md index 1e752b449d..36cd505977 100644 --- a/guides/source/upgrading_ruby_on_rails.md +++ b/guides/source/upgrading_ruby_on_rails.md @@ -241,6 +241,16 @@ If your application depends on one of these features, you can get them back by adding the [`activesupport-json_encoder`](https://github.com/rails/activesupport-json_encoder) gem to your Gemfile. +#### JSON representation of Time objects + +`#as_json` for objects with time component (`Time`, `DateTime`, `ActiveSupport::TimeWithZone`) +now returns millisecond precision by default. If you need to keep old behavior with no millisecond +precision, set the following in an initializer: + +``` +ActiveSupport::JSON::Encoding.time_precision = 0 +``` + ### Usage of `return` within inline callback blocks Previously, Rails allowed inline callback blocks to use `return` this way: @@ -434,8 +444,8 @@ string keys consistently. ### Explicit block use for `ActiveSupport::Callbacks` -Rails 4.1 now expects an explicit block to be passed when calling -`ActiveSupport::Callbacks.set_callback`. This change stems from +Rails 4.1 now expects an explicit block to be passed when calling +`ActiveSupport::Callbacks.set_callback`. This change stems from `ActiveSupport::Callbacks` being largely rewritten for the 4.1 release. ```ruby |