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| author | Jon Leighton <j@jonathanleighton.com> | 2012-11-09 12:09:37 +0000 |
|---|---|---|
| committer | Jon Leighton <j@jonathanleighton.com> | 2012-11-09 12:09:37 +0000 |
| commit | edd94cee9af1688dd036fc58fd405adb30a5e0da (patch) | |
| tree | 84decda9a75027ac05235930ea166dc1755bb890 /activerecord/lib/active_record/null_relation.rb | |
| parent | 11b846eefb1e7128ae9c63035f6d559d50bd4563 (diff) | |
| download | rails-edd94cee9af1688dd036fc58fd405adb30a5e0da.tar.gz rails-edd94cee9af1688dd036fc58fd405adb30a5e0da.tar.bz2 rails-edd94cee9af1688dd036fc58fd405adb30a5e0da.zip | |
Delegate all calculations to the scope.
So that the scope may be a NullRelation and return a result without
executing a query.
Fixes #7928
Diffstat (limited to 'activerecord/lib/active_record/null_relation.rb')
| -rw-r--r-- | activerecord/lib/active_record/null_relation.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb index f8f7a6c976..711fc8b883 100644 --- a/activerecord/lib/active_record/null_relation.rb +++ b/activerecord/lib/active_record/null_relation.rb @@ -50,6 +50,10 @@ module ActiveRecord 0 end + def sum(*) + 0 + end + def calculate(_operation, _column_name, _options = {}) nil end |