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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
namespace :db do
desc "Migrate the database through scripts in db/migrate. Target specific version with VERSION=x"
task :migrate => :environment do
ActiveRecord::Migrator.migrate("db/migrate/", ENV["VERSION"] ? ENV["VERSION"].to_i : nil)
Rake::Task["db:schema:dump"].invoke if ActiveRecord::Base.schema_format == :ruby
end
namespace :fixtures do
desc "Load fixtures into the current environment's database. Load specific fixtures using FIXTURES=x,y"
task :load => :environment do
require 'active_record/fixtures'
ActiveRecord::Base.establish_connection(RAILS_ENV.to_sym)
(ENV['FIXTURES'] ? ENV['FIXTURES'].split(/,/) : Dir.glob(File.join(RAILS_ROOT, 'test', 'fixtures', '*.{yml,csv}'))).each do |fixture_file|
Fixtures.create_fixtures('test/fixtures', File.basename(fixture_file, '.*'))
end
end
end
namespace :schema do
desc "Create a db/schema.rb file that can be portably used against any DB supported by AR"
task :dump => :environment do
require 'active_record/schema_dumper'
File.open(ENV['SCHEMA'] || "db/schema.rb", "w") do |file|
ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file)
end
end
desc "Load a schema.rb file into the database"
task :load => :environment do
file = ENV['SCHEMA'] || "db/schema.rb"
load(file)
end
end
namespace :structure do
desc "Dump the database structure to a SQL file"
task :dump => :environment do
abcs = ActiveRecord::Base.configurations
case abcs[RAILS_ENV]["adapter"]
when "mysql", "oci", "oracle"
ActiveRecord::Base.establish_connection(abcs[RAILS_ENV])
File.open("db/#{RAILS_ENV}_structure.sql", "w+") { |f| f << ActiveRecord::Base.connection.structure_dump }
when "postgresql"
ENV['PGHOST'] = abcs[RAILS_ENV]["host"] if abcs[RAILS_ENV]["host"]
ENV['PGPORT'] = abcs[RAILS_ENV]["port"].to_s if abcs[RAILS_ENV]["port"]
ENV['PGPASSWORD'] = abcs[RAILS_ENV]["password"].to_s if abcs[RAILS_ENV]["password"]
search_path = abcs[RAILS_ENV]["schema_search_path"]
search_path = "--schema=#{search_path}" if search_path
`pg_dump -i -U "#{abcs[RAILS_ENV]["username"]}" -s -x -O -f db/#{RAILS_ENV}_structure.sql #{search_path} #{abcs[RAILS_ENV]["database"]}`
raise "Error dumping database" if $?.exitstatus == 1
when "sqlite", "sqlite3"
dbfile = abcs[RAILS_ENV]["database"] || abcs[RAILS_ENV]["dbfile"]
`#{abcs[RAILS_ENV]["adapter"]} #{dbfile} .schema > db/#{RAILS_ENV}_structure.sql`
when "sqlserver"
`scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /f db\\#{RAILS_ENV}_structure.sql /q /A /r`
`scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /F db\ /q /A /r`
else
raise "Task not supported by '#{abcs["test"]["adapter"]}'"
end
if ActiveRecord::Base.connection.supports_migrations?
File.open("db/#{RAILS_ENV}_structure.sql", "a") { |f| f << ActiveRecord::Base.connection.dump_schema_information }
end
end
end
namespace :test do
desc "Recreate the test database from the current environment's database schema"
task :clone => "db:schema:dump" do
ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations['test'])
ActiveRecord::Schema.verbose = false
Rake::Task["db:schema:load"].invoke
end
desc "Recreate the test databases from the development structure"
task :clone_structure => [ "db:structure:dump", "db:test:purge" ] do
abcs = ActiveRecord::Base.configurations
case abcs["test"]["adapter"]
when "mysql"
ActiveRecord::Base.establish_connection(:test)
ActiveRecord::Base.connection.execute('SET foreign_key_checks = 0')
IO.readlines("db/#{RAILS_ENV}_structure.sql").join.split("\n\n").each do |table|
ActiveRecord::Base.connection.execute(table)
end
when "postgresql"
ENV['PGHOST'] = abcs["test"]["host"] if abcs["test"]["host"]
ENV['PGPORT'] = abcs["test"]["port"].to_s if abcs["test"]["port"]
ENV['PGPASSWORD'] = abcs["test"]["password"].to_s if abcs["test"]["password"]
`psql -U "#{abcs["test"]["username"]}" -f db/#{RAILS_ENV}_structure.sql #{abcs["test"]["database"]}`
when "sqlite", "sqlite3"
dbfile = abcs["test"]["database"] || abcs["test"]["dbfile"]
`#{abcs["test"]["adapter"]} #{dbfile} < db/#{RAILS_ENV}_structure.sql`
when "sqlserver"
`osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql`
when "oci", "oracle"
ActiveRecord::Base.establish_connection(:test)
IO.readlines("db/#{RAILS_ENV}_structure.sql").join.split(";\n\n").each do |ddl|
ActiveRecord::Base.connection.execute(ddl)
end
else
raise "Task not supported by '#{abcs["test"]["adapter"]}'"
end
end
desc "Empty the test database"
task :purge => :environment do
abcs = ActiveRecord::Base.configurations
case abcs["test"]["adapter"]
when "mysql"
ActiveRecord::Base.establish_connection(:test)
ActiveRecord::Base.connection.recreate_database(abcs["test"]["database"])
when "postgresql"
ENV['PGHOST'] = abcs["test"]["host"] if abcs["test"]["host"]
ENV['PGPORT'] = abcs["test"]["port"].to_s if abcs["test"]["port"]
ENV['PGPASSWORD'] = abcs["test"]["password"].to_s if abcs["test"]["password"]
enc_option = "-E #{abcs["test"]["encoding"]}" if abcs["test"]["encoding"]
`dropdb -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}`
`createdb #{enc_option} -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}`
when "sqlite","sqlite3"
dbfile = abcs["test"]["database"] || abcs["test"]["dbfile"]
File.delete(dbfile) if File.exist?(dbfile)
when "sqlserver"
dropfkscript = "#{abcs["test"]["host"]}.#{abcs["test"]["database"]}.DP1".gsub(/\\/,'-')
`osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{dropfkscript}`
`osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql`
when "oci", "oracle"
ActiveRecord::Base.establish_connection(:test)
ActiveRecord::Base.connection.structure_drop.split(";\n\n").each do |ddl|
ActiveRecord::Base.connection.execute(ddl)
end
else
raise "Task not supported by '#{abcs["test"]["adapter"]}'"
end
end
desc 'Prepare the test database and load the schema'
task :prepare => :environment do
Rake::Task[{ :sql => "db:test:clone_structure", :ruby => "db:test:clone" }[ActiveRecord::Base.schema_format]].invoke
end
end
namespace :sessions do
desc "Creates a sessions table for use with CGI::Session::ActiveRecordStore"
task :create => :environment do
raise "Task unavailable to this database (no migration support)" unless ActiveRecord::Base.connection.supports_migrations?
require 'rails_generator'
require 'rails_generator/scripts/generate'
Rails::Generator::Scripts::Generate.new.run(["session_migration", ENV["MIGRATION"] || "AddSessions"])
end
desc "Clear the sessions table"
task :clear => :environment do
ActiveRecord::Base.connection.execute "DELETE FROM sessions"
end
end
end
def session_table_name
ActiveRecord::Base.pluralize_table_names ? :sessions : :session
end
|
