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author | David Heinemeier Hansson <david@loudthinking.com> | 2013-11-02 17:35:34 -0700 |
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committer | David Heinemeier Hansson <david@loudthinking.com> | 2013-11-02 17:36:45 -0700 |
commit | f950b2699f97749ef706c6939a84dfc85f0b05f2 (patch) | |
tree | d6a8f95705fd23605db1c904acfffa158cfff7c8 /activerecord/lib/active_record | |
parent | 4d7080f80c1ec4792730943b33b6eac2a1562b2a (diff) | |
download | rails-f950b2699f97749ef706c6939a84dfc85f0b05f2.tar.gz rails-f950b2699f97749ef706c6939a84dfc85f0b05f2.tar.bz2 rails-f950b2699f97749ef706c6939a84dfc85f0b05f2.zip |
Added ActiveRecord::QueryMethods#rewhere which will overwrite an existing, named where condition.
Diffstat (limited to 'activerecord/lib/active_record')
-rw-r--r-- | activerecord/lib/active_record/relation/query_methods.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 14d8671161..62c555f6d6 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -550,6 +550,18 @@ module ActiveRecord end end + # Allows you to change a previously set where condition for a given attribute, instead of appending to that condition. + # + # Post.where(trashed: true).where(trashed: false) #=> WHERE `trashed` = 1 AND `trashed` = 0 + # Post.where(trashed: true).rewhere(trashed: false) #=> WHERE `trashed` = 0 + # Post.where(active: true).where(trashed: true).rewhere(trashed: false) #=> WHERE `active` = 1 AND `trashed` = 0 + # + # This is short-hand for unscope(where: conditions.keys).where(conditions). Note that unlike reorder, we're only unscoping + # the named conditions -- not the entire where statement. + def rewhere(conditions) + unscope(where: conditions.keys).where(conditions) + end + # Allows to specify a HAVING clause. Note that you can't use HAVING # without also specifying a GROUP clause. # |