diff options
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
| -rwxr-xr-x | activerecord/lib/active_record/base.rb | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index a4c317ff3f..b6bdf65d0f 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -84,7 +84,7 @@ module ActiveRecord #:nodoc: # Conditions can either be specified as a string, array, or hash representing the WHERE-part of an SQL statement. # The array form is to be used when the condition input is tainted and requires sanitization. The string form can # be used for statements that don't involve tainted data. The hash form works much like the array form, except - # only equality is possible. Examples: + # only equality and range is possible. Examples: # # class User < ActiveRecord::Base # def self.authenticate_unsafely(user_name, password) @@ -120,6 +120,9 @@ module ActiveRecord #:nodoc: # Student.find(:all, :conditions => { :first_name => "Harvey", :status => 1 }) # Student.find(:all, :conditions => params[:student]) # + # A range may be used in the hash to use the SQL BETWEEN operator: + # + # Student.find(:all, :conditions => { :grade => 9..12 }) # # == Overwriting default accessors # @@ -1264,6 +1267,7 @@ module ActiveRecord #:nodoc: case argument when nil then "IS ?" when Array then "IN (?)" + when Range then "BETWEEN ? AND ?" else "= ?" end end @@ -1392,12 +1396,14 @@ module ActiveRecord #:nodoc: # # => "name='foo''bar' and group_id= 4" # { :status => nil, :group_id => [1,2,3] } # # => "status IS NULL and group_id IN (1,2,3)" + # { :age => 13..18 } + # # => "age BETWEEN 13 AND 18" def sanitize_sql_hash(attrs) conditions = attrs.map do |attr, value| "#{table_name}.#{connection.quote_column_name(attr)} #{attribute_condition(value)}" end.join(' AND ') - replace_bind_variables(conditions, attrs.values) + replace_bind_variables(conditions, expand_range_bind_variables(attrs.values)) end # Accepts an array of conditions. The array has each value @@ -1433,6 +1439,13 @@ module ActiveRecord #:nodoc: end end + def expand_range_bind_variables(bind_vars) #:nodoc: + bind_vars.each_with_index do |var, index| + bind_vars[index, 1] = [var.first, var.last] if var.is_a?(Range) + end + bind_vars + end + def quote_bound_value(value) #:nodoc: if value.respond_to?(:map) && !value.is_a?(String) if value.respond_to?(:empty?) && value.empty? |