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| author | Gaurish Sharma <contact@gaurishsharma.com> | 2012-11-08 19:14:35 +0530 |
|---|---|---|
| committer | Gaurish Sharma <contact@gaurishsharma.com> | 2012-11-08 19:14:35 +0530 |
| commit | e3e4fa1f6504ba27200c25558462dd2ba6c1fcd3 (patch) | |
| tree | f432120cf4a923e283c9546e36d907205cd5dcfc | |
| parent | 8659212df2d29dc1c3b20a58dde00a56a776817d (diff) | |
| download | rails-e3e4fa1f6504ba27200c25558462dd2ba6c1fcd3.tar.gz rails-e3e4fa1f6504ba27200c25558462dd2ba6c1fcd3.tar.bz2 rails-e3e4fa1f6504ba27200c25558462dd2ba6c1fcd3.zip | |
make syntax of select.map(&:field) same as pluck
The shortcut ampersand syntax of `select.map(&:field)` is same thing as `.plunk(:field)`. document that
| -rw-r--r-- | guides/source/active_record_querying.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md index da56d55deb..d5c23b416c 100644 --- a/guides/source/active_record_querying.md +++ b/guides/source/active_record_querying.md @@ -1364,6 +1364,8 @@ Client.pluck(:id, :name) ```ruby Client.select(:id).map { |c| c.id } # or +Client.select(:id).map(&:id) +# or Client.select(:id).map { |c| [c.id, c.name] } ``` |