blob: d53fe307c2a1d8f23992470a44a2fba58535c880 (
plain) (
blame)
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
module ActiveRecord
module Tasks # :nodoc:
module DatabaseTasks # :nodoc:
extend self
TASKS_PATTERNS = {
/mysql/ => ActiveRecord::Tasks::MySQLDatabaseTasks,
/postgresql/ => ActiveRecord::Tasks::PostgreSQLDatabaseTasks,
/sqlite/ => ActiveRecord::Tasks::SQLiteDatabaseTasks
}
LOCAL_HOSTS = ['127.0.0.1', 'localhost']
def create(*arguments)
configuration = arguments.first
class_for_adapter(configuration['adapter']).new(*arguments).create
rescue Exception => error
$stderr.puts error, *(error.backtrace)
$stderr.puts "Couldn't create database for #{configuration.inspect}"
end
def create_all
each_local_configuration { |configuration| create configuration }
end
def create_current(environment = Rails.env)
each_current_configuration(environment) { |configuration|
create configuration
}
ActiveRecord::Base.establish_connection environment
end
def drop(*arguments)
configuration = arguments.first
class_for_adapter(configuration['adapter']).new(*arguments).drop
rescue Exception => error
$stderr.puts error, *(error.backtrace)
$stderr.puts "Couldn't drop #{configuration['database']}"
end
def drop_all
each_local_configuration { |configuration| drop configuration }
end
def drop_current(environment = Rails.env)
each_current_configuration(environment) { |configuration|
drop configuration
}
end
def charset_current(environment = Rails.env)
charset ActiveRecord::Base.configurations[environment]
end
def charset(*arguments)
configuration = arguments.first
class_for_adapter(configuration['adapter']).new(*arguments).charset
end
def purge(configuration)
class_for_adapter(configuration['adapter']).new(configuration).purge
end
def structure_dump(*arguments)
configuration = arguments.first
filename = arguments.delete_at 1
class_for_adapter(configuration['adapter']).new(*arguments).structure_dump(filename)
end
private
def class_for_adapter(adapter)
key = TASKS_PATTERNS.keys.detect { |pattern| adapter[pattern] }
TASKS_PATTERNS[key]
end
def each_current_configuration(environment)
environments = [environment]
environments << 'test' if environment.development?
configurations = ActiveRecord::Base.configurations.values_at(*environments)
configurations.compact.each do |configuration|
yield configuration unless configuration['database'].blank?
end
end
def each_local_configuration
ActiveRecord::Base.configurations.each_value do |configuration|
next unless configuration['database']
if local_database?(configuration)
yield configuration
else
$stderr.puts "This task only modifies local databases. #{configuration['database']} is on a remote host."
end
end
end
def local_database?(configuration)
configuration['host'].in?(LOCAL_HOSTS) || configuration['host'].blank?
end
end
end
end
|
