diff options
Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/active_record_querying.textile | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/guides/source/active_record_querying.textile b/guides/source/active_record_querying.textile index 80c9260a0d..e211466339 100644 --- a/guides/source/active_record_querying.textile +++ b/guides/source/active_record_querying.textile @@ -266,7 +266,7 @@ SELECT * FROM clients WHERE (clients.id IN (1,10)) WARNING: <tt>Model.find(array_of_primary_key)</tt> will raise an +ActiveRecord::RecordNotFound+ exception unless a matching record is found for <strong>all</strong> of the supplied primary keys. -h5. take +h5(#take-n-objects). take <tt>Model.take(limit)</tt> retrieves the first number of records specified by +limit+ without any explicit ordering: @@ -282,7 +282,7 @@ The SQL equivalent of the above is: SELECT * FROM clients LIMIT 2 </sql> -h5. first +h5(#first-n-objects). first <tt>Model.first(limit)</tt> finds the first number of records specified by +limit+ ordered by primary key: @@ -298,7 +298,7 @@ The SQL equivalent of the above is: SELECT * FROM clients LIMIT 2 </sql> -h5. last +h5(#last-n-objects). last <tt>Model.last(limit)</tt> finds the number of records specified by +limit+ ordered by primary key in descending order: @@ -1218,7 +1218,7 @@ Client.find_or_create_by_first_name(:first_name => "Andy", :locked => false) This method still works, but it's encouraged to use +first_or_create+ because it's more explicit on which arguments are used to _find_ the record and which are used to _create_, resulting in less confusion overall. -h4. +first_or_create!+ +h4(#first_or_create_bang). +first_or_create!+ You can also use +first_or_create!+ to raise an exception if the new record is invalid. Validations are not covered on this guide, but let's assume for a moment that you temporarily add |