Module Sequel::Postgres::PGRange::DatabaseMethods
In: lib/sequel/extensions/pg_range.rb

Methods

bound_variable_arg   define_range_typecast_method   extended  

Public Class methods

define_range_typecast_method(type, parser)

Define a private range typecasting method for the given type that uses the parser argument to do the type conversion.

[Source]

     # File lib/sequel/extensions/pg_range.rb, line 208
208:         def self.define_range_typecast_method(type, parser)
209:           meth = "typecast_value_#{type}""typecast_value_#{type}"
210:           define_method(meth){|v| typecast_value_pg_range(v, parser)}
211:           private meth
212:         end
extended(db)

Reset the conversion procs if using the native postgres adapter, and extend the datasets to correctly literalize ruby Range values.

[Source]

     # File lib/sequel/extensions/pg_range.rb, line 187
187:         def self.extended(db)
188:           db.instance_eval do
189:             extend_datasets(DatasetMethods)
190:             copy_conversion_procs([3904, 3906, 3912, 3926, 3905, 3907, 3913, 3927])
191:             [:int4range, :numrange, :tsrange, :tstzrange, :daterange, :int8range].each do |v|
192:               @schema_type_classes[v] = PGRange
193:             end
194:           end
195: 
196:           procs = db.conversion_procs
197:           procs[3908] = Parser.new("tsrange", procs[1114])
198:           procs[3910] = Parser.new("tstzrange", procs[1184])
199:           if defined?(PGArray::Creator)
200:             procs[3909] = PGArray::Creator.new("tsrange", procs[3908])
201:             procs[3911] = PGArray::Creator.new("tstzrange", procs[3910])
202:           end
203: 
204:         end

Public Instance methods

bound_variable_arg(arg, conn)

Handle Range and PGRange values in bound variables

[Source]

     # File lib/sequel/extensions/pg_range.rb, line 215
215:         def bound_variable_arg(arg, conn)
216:           case arg
217:           when PGRange 
218:             arg.unquoted_literal(schema_utility_dataset)
219:           when Range
220:             PGRange.from_range(arg).unquoted_literal(schema_utility_dataset)
221:           else
222:             super
223:           end
224:         end

[Validate]