diff options
Diffstat (limited to 'activerecord/lib')
| -rwxr-xr-x | activerecord/lib/active_record/base.rb | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index b4f1b3ba73..c27bcecdd6 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -426,8 +426,14 @@ module ActiveRecord #:nodoc: # Product.count "SELECT COUNT(*) FROM sales s, customers c WHERE s.customer_id = c.id" def count_by_sql(sql) sql = sanitize_conditions(sql) - count = connection.select_one(sql, "#{name} Count").values.first - return count ? count.to_i : 0 + rows = connection.select_one(sql, "#{name} Count") + + if rows.nil? + return 0 + else + count = rows.values.first + return count ? count.to_i : 0 + end end # Increments the specified counter by one. So <tt>DiscussionBoard.increment_counter("post_count", |