github-migration/mysql2
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optimize casting to it only happens for default values

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This commit is contained in:
Brian Lopez 2010-05-14 16:23:03 -07:00
parent 86b9ffefe9
commit 48db8907be
1 changed files with 20 additions and 22 deletions
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42
lib/active_record/connection_adapters/mysql2_adapter.rb
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@ -24,7 +24,7 @@ module ActiveRecord
elsif missing_default_forged_as_empty_string?(default)
nil
else
super
type_cast_default_value(default)
end
end
@ -50,39 +50,37 @@ module ActiveRecord
end
def type_cast(value)
return nil if value.nil?
case type
when :string then value
when :text then value
when :integer then value.to_i rescue value ? 1 : 0
when :float then value.to_f # returns self if it's already a Float
when :decimal then self.class.value_to_decimal(value)
when :datetime, :timestamp then value.class == Time ? value : self.class.string_to_time(value)
when :time then value.class == Time ? value : self.class.string_to_dummy_time(value)
when :date then value.class == Date ? value : self.class.string_to_date(value)
when :binary then value
when :boolean then self.class.value_to_boolean(value)
when :boolean then self.class.value_to_boolean(value)
else value
end
end
def type_cast_code(var_name)
case type
when :string then nil
when :text then nil
when :integer then "#{var_name}.to_i rescue #{var_name} ? 1 : 0"
when :float then "#{var_name}.to_f"
when :decimal then "#{self.class.name}.value_to_decimal(#{var_name})"
when :datetime, :timestamp then "#{var_name}.class == Time ? #{var_name} : #{self.class.name}.string_to_time(#{var_name})"
when :time then "#{var_name}.class == Time ? #{var_name} : #{self.class.name}.string_to_dummy_time(#{var_name})"
when :date then "#{var_name}.class == Date ? #{var_name} : #{self.class.name}.string_to_date(#{var_name})"
when :binary then nil
when :boolean then "#{self.class.name}.value_to_boolean(#{var_name})"
when :boolean then "#{self.class.name}.value_to_boolean(#{var_name})"
else nil
end
end
private
def type_cast_default_value(value)
return nil if value.nil?
case type
when :string then value
when :text then value
when :integer then value.to_i rescue value ? 1 : 0
when :float then value.to_f
when :decimal then self.class.value_to_decimal(value)
when :datetime, :timestamp then self.class.string_to_time(value)
when :time then self.class.string_to_dummy_time(value)
when :date then self.class.string_to_date(value)
when :binary then value
when :boolean then self.class.value_to_boolean(value)
else value
end
end
def simplified_type(field_type)
return :boolean if Mysql2Adapter.emulate_booleans && field_type.downcase.index(BOOL)
return :string if field_type =~ /enum/i