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| author | Max Holder <mxhold@gmail.com> | 2014-08-30 13:58:18 -0400 |
|---|---|---|
| committer | Max Holder <mxhold@gmail.com> | 2014-08-30 13:58:18 -0400 |
| commit | 112cb940aa17a0979b9f6282c07ace2f6a0896c1 (patch) | |
| tree | 9a0f95749fbcebb1ad711f4ccfcc44f1472f55c7 /lib | |
| parent | 36836fa5e7c084c0dce2818577e6fd0cf815f786 (diff) | |
| download | rails-112cb940aa17a0979b9f6282c07ace2f6a0896c1.tar.gz rails-112cb940aa17a0979b9f6282c07ace2f6a0896c1.tar.bz2 rails-112cb940aa17a0979b9f6282c07ace2f6a0896c1.zip | |
Add SelectManager#distinct_on to set/unset Arel::Nodes::DistinctOn quantifier
Diffstat (limited to 'lib')
| -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| |