diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/calculations.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/calculations.rb b/activerecord/lib/active_record/calculations.rb index df73cee2f3..7a9377587f 100644 --- a/activerecord/lib/active_record/calculations.rb +++ b/activerecord/lib/active_record/calculations.rb @@ -20,6 +20,7 @@ module ActiveRecord # If the value is a string, then the records will be returned read-only since they will have attributes that do not correspond to the table's columns. # Pass :readonly => false to override. # See adding joins for associations under Associations. + # # * <tt>:include</tt>: Named associations that should be loaded alongside using LEFT OUTER JOINs. The symbols named refer # to already defined associations. When using named associations, count returns the number of DISTINCT items for the model you're counting. # See eager loading under Associations. @@ -98,6 +99,7 @@ module ActiveRecord # # Options: # * <tt>:conditions</tt> - An SQL fragment like "administrator = 1" or [ "user_name = ?", username ]. See conditions in the intro. + # * <tt>:include</tt>: Eager loading, see Associations for details. Since calculations don't load anything, the purpose of this is to access fields on joined tables in your conditions, order, or group clauses. # * <tt>:joins</tt> - An SQL fragment for additional joins like "LEFT JOIN comments ON comments.post_id = id". (Rarely needed). # The records will be returned read-only since they will have attributes that do not correspond to the table's columns. # * <tt>:order</tt> - An SQL fragment like "created_at DESC, name" (really only used with GROUP BY calculations). |