diff options
| -rw-r--r-- | lib/arel/visitors/to_sql.rb | 4 | ||||
| -rw-r--r-- | test/visitors/test_to_sql.rb | 11 |
2 files changed, 15 insertions, 0 deletions
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb index 5319aeb418..73319364d5 100644 --- a/lib/arel/visitors/to_sql.rb +++ b/lib/arel/visitors/to_sql.rb @@ -142,6 +142,10 @@ key on UpdateManager using UpdateManager#key= 'DISTINCT' end + def visit_Arel_Nodes_DistinctOn o + raise NotImplementedError, 'DISTINCT ON not implemented for this db' + end + def visit_Arel_Nodes_With o "WITH #{o.children.map { |x| visit x }.join(', ')}" end diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb index 25ff7be3e2..1d5f89280b 100644 --- a/test/visitors/test_to_sql.rb +++ b/test/visitors/test_to_sql.rb @@ -299,6 +299,17 @@ module Arel } end end + + describe 'distinct on' do + it 'raises not implemented error' do + core = Arel::Nodes::SelectCore.new + core.set_quantifier = Arel::Nodes::DistinctOn.new(Arel.sql('aaron')) + + assert_raises(NotImplementedError) do + @visitor.accept(core) + end + end + end end end end |