diff options
| -rw-r--r-- | lib/arel/visitors/oracle.rb | 14 | ||||
| -rw-r--r-- | test/visitors/test_oracle.rb | 16 |
2 files changed, 30 insertions, 0 deletions
diff --git a/lib/arel/visitors/oracle.rb b/lib/arel/visitors/oracle.rb index c691ce294e..212c18ada4 100644 --- a/lib/arel/visitors/oracle.rb +++ b/lib/arel/visitors/oracle.rb @@ -40,6 +40,20 @@ module Arel return "SELECT * FROM (#{super(o)}) WHERE ROWNUM <= #{limit}" end + if o.offset + o = o.dup + offset = o.offset + o.offset = nil + sql = super(o) + return <<-eosql + SELECT * FROM ( + SELECT raw_sql_.*, rownum raw_rnum_ + FROM (#{sql}) raw_sql_ + ) + WHERE #{visit offset} + eosql + end + super end diff --git a/test/visitors/test_oracle.rb b/test/visitors/test_oracle.rb index db277088f1..d2a73ea8c5 100644 --- a/test/visitors/test_oracle.rb +++ b/test/visitors/test_oracle.rb @@ -105,6 +105,22 @@ module Arel sql.must_equal sql2 end end + + describe 'only offset' do + it 'creates a select from subquery with rownum condition' do + stmt = Nodes::SelectStatement.new + stmt.offset = Nodes::Offset.new(10) + sql = @visitor.accept stmt + sql.must_be_like %{ + SELECT * FROM ( + SELECT raw_sql_.*, rownum raw_rnum_ + FROM (SELECT ) raw_sql_ + ) + WHERE raw_rnum_ > 10 + } + end + end + end end end |