# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 124
124:         def binary_to_string(value)
125:           value
126:         end

      # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 30
30:       def initialize(name, default, sql_type = nil, null = true)
31:         @name, @sql_type, @null = name, sql_type, null
32:         @limit, @precision, @scale = extract_limit(sql_type), extract_precision(sql_type), extract_scale(sql_type)
33:         @type = simplified_type(sql_type)
34:         @default = extract_default(default)
35: 
36:         @primary = nil
37:       end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 119
119:         def string_to_binary(value)
120:           value
121:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 128
128:         def string_to_date(string)
129:           return string unless string.is_a?(String)
130:           return nil if string.empty?
131: 
132:           fast_string_to_date(string) || fallback_string_to_date(string)
133:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 142
142:         def string_to_dummy_time(string)
143:           return string unless string.is_a?(String)
144:           return nil if string.empty?
145: 
146:           string_to_time "2000-01-01 #{string}"
147:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 135
135:         def string_to_time(string)
136:           return string unless string.is_a?(String)
137:           return nil if string.empty?
138: 
139:           fast_string_to_time(string) || fallback_string_to_time(string)
140:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 150
150:         def value_to_boolean(value)
151:           if value.is_a?(String) && value.blank?
152:             nil
153:           else
154:             TRUE_VALUES.include?(value)
155:           end
156:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 159
159:         def value_to_decimal(value)
160:           # Using .class is faster than .is_a? and
161:           # subclasses of BigDecimal will be handled
162:           # in the else clause
163:           if value.class == BigDecimal
164:             value
165:           elsif value.respond_to?(:to_d)
166:             value.to_d
167:           else
168:             value.to_s.to_d
169:           end
170:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 206
206:           def fallback_string_to_date(string)
207:             new_date(*::Date._parse(string, false).values_at(:year, :mon, :mday))
208:           end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 210
210:           def fallback_string_to_time(string)
211:             time_hash = Date._parse(string)
212:             time_hash[:sec_fraction] = microseconds(time_hash)
213: 
214:             new_time(*time_hash.values_at(:year, :mon, :mday, :hour, :min, :sec, :sec_fraction))
215:           end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 192
192:           def fast_string_to_date(string)
193:             if string =~ Format::ISO_DATE
194:               new_date $1.to_i, $2.to_i, $3.to_i
195:             end
196:           end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 199
199:           def fast_string_to_time(string)
200:             if string =~ Format::ISO_DATETIME
201:               microsec = ($7.to_f * 1_000_000).to_i
202:               new_time $1.to_i, $2.to_i, $3.to_i, $4.to_i, $5.to_i, $6.to_i, microsec
203:             end
204:           end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 175
175:           def microseconds(time)
176:             ((time[:sec_fraction].to_f % 1) * 1_000_000).to_i
177:           end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 179
179:           def new_date(year, mon, mday)
180:             if year && year != 0
181:               Date.new(year, mon, mday) rescue nil
182:             end
183:           end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 185
185:           def new_time(year, mon, mday, hour, min, sec, microsec)
186:             # Treat 0000-00-00 00:00:00 as nil.
187:             return nil if year.nil? || year == 0
188: 
189:             Time.time_with_datetime_fallback(Base.default_timezone, year, mon, mday, hour, min, sec, microsec) rescue nil
190:           end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 113
113:       def extract_default(default)
114:         type_cast(default)
115:       end

      # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 49
49:       def has_default?
50:         !default.nil?
51:       end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 109
109:       def human_name
110:         Base.human_attribute_name(@name)
111:       end

      # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 54
54:       def klass
55:         case type
56:           when :integer       then Fixnum
57:           when :float         then Float
58:           when :decimal       then BigDecimal
59:           when :datetime      then Time
60:           when :date          then Date
61:           when :timestamp     then Time
62:           when :time          then Time
63:           when :text, :string then String
64:           when :binary        then String
65:           when :boolean       then Object
66:         end
67:       end

      # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 45
45:       def number?
46:         type == :integer || type == :float || type == :decimal
47:       end

      # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 40
40:       def text?
41:         type == :string || type == :text
42:       end

      # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 70
70:       def type_cast(value)
71:         return nil if value.nil?
72:         case type
73:           when :string    then value
74:           when :text      then value
75:           when :integer   then value.to_i rescue value ? 1 : 0
76:           when :float     then value.to_f
77:           when :decimal   then self.class.value_to_decimal(value)
78:           when :datetime  then self.class.string_to_time(value)
79:           when :timestamp then self.class.string_to_time(value)
80:           when :time      then self.class.string_to_dummy_time(value)
81:           when :date      then self.class.string_to_date(value)
82:           when :binary    then self.class.binary_to_string(value)
83:           when :boolean   then self.class.value_to_boolean(value)
84:           else value
85:         end
86:       end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 88
 88:       def type_cast_code(var_name)
 89:         case type
 90:           when :string    then nil
 91:           when :text      then nil
 92:           when :integer   then "(#{var_name}.to_i rescue #{var_name} ? 1 : 0)"
 93:           when :float     then "#{var_name}.to_f"
 94:           when :decimal   then "#{self.class.name}.value_to_decimal(#{var_name})"
 95:           when :datetime  then "#{self.class.name}.string_to_time(#{var_name})"
 96:           when :timestamp then "#{self.class.name}.string_to_time(#{var_name})"
 97:           when :time      then "#{self.class.name}.string_to_dummy_time(#{var_name})"
 98:           when :date      then "#{self.class.name}.string_to_date(#{var_name})"
 99:           when :binary    then "#{self.class.name}.binary_to_string(#{var_name})"
100:           when :boolean   then "#{self.class.name}.value_to_boolean(#{var_name})"
101:           else nil
102:         end
103:       end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 219
219:         def extract_limit(sql_type)
220:           $1.to_i if sql_type =~ /\((.*)\)/
221:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 223
223:         def extract_precision(sql_type)
224:           $2.to_i if sql_type =~ /^(numeric|decimal|number)\((\d+)(,\d+)?\)/
225:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 227
227:         def extract_scale(sql_type)
228:           case sql_type
229:             when /^(numeric|decimal|number)\((\d+)\)/ then 0
230:             when /^(numeric|decimal|number)\((\d+)(,(\d+))\)/ then $4.to_i
231:           end
232:         end

       # File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 234
234:         def simplified_type(field_type)
235:           case field_type
236:             when /int/
237:               :integer
238:             when /float|double/
239:               :float
240:             when /decimal|numeric|number/
241:               extract_scale(field_type) == 0 ? :integer : :decimal
242:             when /datetime/
243:               :datetime
244:             when /timestamp/
245:               :timestamp
246:             when /time/
247:               :time
248:             when /date/
249:               :date
250:             when /clob/, /text/
251:               :text
252:             when /blob/, /binary/
253:               :binary
254:             when /char/, /string/
255:               :string
256:             when /boolean/
257:               :boolean
258:           end
259:         end