1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
require 'active_record/connection_adapters/postgresql/cast'
module ActiveRecord
module ConnectionAdapters
# PostgreSQL-specific extensions to column definitions in a table.
class PostgreSQLColumn < Column #:nodoc:
attr_accessor :array
def initialize(name, default, cast_type, sql_type = nil, null = true, default_function = nil)
if sql_type =~ /\[\]$/
@array = true
super(name, default, cast_type, sql_type[0..sql_type.length - 3], null)
else
@array = false
super(name, default, cast_type, sql_type, null)
end
@default_function = default_function
end
# :stopdoc:
class << self
include PostgreSQL::Cast
# Loads pg_array_parser if available. String parsing can be
# performed quicker by a native extension, which will not create
# a large amount of Ruby objects that will need to be garbage
# collected. pg_array_parser has a C and Java extension
begin
require 'pg_array_parser'
include PgArrayParser
rescue LoadError
require 'active_record/connection_adapters/postgresql/array_parser'
include PostgreSQL::ArrayParser
end
end
# :startdoc:
end
end
end
|
