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Adding examples

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1 parent 2b6845b commit b39766fda560bb911bd4f8247101d641d4f60958 @reu reu committed with bowsersenior Feb 21, 2011
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  1. +2 −0 activerecord/lib/active_record/relation.rb
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2 activerecord/lib/active_record/relation.rb
@@ -249,6 +249,7 @@ def update(id, attributes)
#
# Person.destroy_all("last_login < '2004-04-04'")
# Person.destroy_all(:status => "inactive")
+ # Person.where(:age => 0..18).destroy_all
def destroy_all(conditions = nil)
if conditions
where(conditions).destroy_all
@@ -298,6 +299,7 @@ def destroy(id)
#
# Post.delete_all("person_id = 5 AND (category = 'Something' OR category = 'Else')")
# Post.delete_all(["person_id = ? AND (category = ? OR category = ?)", 5, 'Something', 'Else'])
+ # Post.where(:person_id => 5).where(:category => ['Something', 'Else']).delete_all
#
# Both calls delete the affected posts all at once with a single DELETE statement.
# If you need to destroy dependent associations or call your <tt>before_*</tt> or

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