diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb index fd23e59e82..af9ce3dfb2 100644 --- a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb +++ b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb @@ -85,7 +85,15 @@ module ActiveRecord @join_sql = "INNER JOIN #{@owner.connection.quote_table_name @reflection.options[:join_table]} ON #{@reflection.quoted_table_name}.#{@reflection.klass.primary_key} = #{@owner.connection.quote_table_name @reflection.options[:join_table]}.#{@reflection.association_foreign_key}" - construct_counter_sql + if @reflection.options[:counter_sql] + @counter_sql = interpolate_sql(@reflection.options[:counter_sql]) + elsif @reflection.options[:finder_sql] + # replace the SELECT clause with COUNT(*), preserving any hints within /* ... */ + @reflection.options[:counter_sql] = @reflection.options[:finder_sql].sub(/SELECT (\/\*.*?\*\/ )?(.*)\bFROM\b/im) { "SELECT #{$1}COUNT(*) FROM" } + @counter_sql = interpolate_sql(@reflection.options[:counter_sql]) + else + @counter_sql = @finder_sql + end end def construct_scope |