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Diffstat (limited to 'guides/source/active_record_querying.md')
| -rw-r--r-- | guides/source/active_record_querying.md | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md index 24dea0ec46..e40f16e62d 100644 --- a/guides/source/active_record_querying.md +++ b/guides/source/active_record_querying.md @@ -59,11 +59,13 @@ To retrieve objects from the database, Active Record provides several finder met The methods are: +* `annotate` * `find` * `create_with` * `distinct` * `eager_load` * `extending` +* `extract_associated` * `from` * `group` * `having` @@ -74,11 +76,13 @@ The methods are: * `lock` * `none` * `offset` +* `optimizer_hints` * `order` * `preload` * `readonly` * `references` * `reorder` +* `reselect` * `reverse_order` * `select` * `where` @@ -1731,10 +1735,13 @@ Client.find_by_sql("SELECT * FROM clients ### `select_all` -`find_by_sql` has a close relative called `connection#select_all`. `select_all` will retrieve objects from the database using custom SQL just like `find_by_sql` but will not instantiate them. This method will return an instance of `ActiveRecord::Result` class and calling `to_hash` on this object would return you an array of hashes where each hash indicates a record. +`find_by_sql` has a close relative called `connection#select_all`. `select_all` will retrieve +objects from the database using custom SQL just like `find_by_sql` but will not instantiate them. +This method will return an instance of `ActiveRecord::Result` class and calling `to_a` on this +object would return you an array of hashes where each hash indicates a record. ```ruby -Client.connection.select_all("SELECT first_name, created_at FROM clients WHERE id = '1'").to_hash +Client.connection.select_all("SELECT first_name, created_at FROM clients WHERE id = '1'").to_a # => [ # {"first_name"=>"Rafael", "created_at"=>"2012-11-10 23:23:45.281189"}, # {"first_name"=>"Eileen", "created_at"=>"2013-12-09 11:22:35.221282"} |