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| author | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2014-09-12 18:15:28 -0300 |
|---|---|---|
| committer | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2014-09-12 18:15:28 -0300 |
| commit | d23df0ec8a50b50024f8d4dc5d91a47509df9b1f (patch) | |
| tree | bd70b551cab1af27874ac6e31e617a15505b9f9b /lib/arel | |
| parent | 1ee24112e8b42879f02fcee995e222dcabb2cb64 (diff) | |
| parent | 112cb940aa17a0979b9f6282c07ace2f6a0896c1 (diff) | |
| download | rails-d23df0ec8a50b50024f8d4dc5d91a47509df9b1f.tar.gz rails-d23df0ec8a50b50024f8d4dc5d91a47509df9b1f.tar.bz2 rails-d23df0ec8a50b50024f8d4dc5d91a47509df9b1f.zip | |
Merge pull request #306 from mxhold/master
Add SelectManager#distinct_on to set/unset Arel::Nodes::DistinctOn quantifier
Diffstat (limited to 'lib/arel')
| -rw-r--r-- | lib/arel/select_manager.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/arel/select_manager.rb b/lib/arel/select_manager.rb index 4a652f2c9c..5a05e7e181 100644 --- a/lib/arel/select_manager.rb +++ b/lib/arel/select_manager.rb @@ -155,6 +155,15 @@ module Arel self end + def distinct_on(value) + if value + @ctx.set_quantifier = Arel::Nodes::DistinctOn.new(value) + else + @ctx.set_quantifier = nil + end + self + end + def order *expr # FIXME: We SHOULD NOT be converting these to SqlLiteral automatically @ast.orders.concat expr.map { |x| |