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desc "Migrate the database according to the migrate scripts in db/migrate (only supported on PG/MySQL). A specific version can be targetted 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
end
desc "Load fixtures into the current environment's database"
task :load_fixtures => :environment do
require 'active_record/fixtures'
ActiveRecord::Base.establish_connection(RAILS_ENV.to_sym)
Dir.glob(File.join(RAILS_ROOT, 'test', 'fixtures', '*.yml')).each do |fixture_file|
Fixtures.create_fixtures('test/fixtures', File.basename(fixture_file, '.*'))
end
end
desc "Create a db/schema.rb file that can be portably used against any DB supported by AR."
task :db_schema_dump => :environment do
require 'active_record/schema_dumper'
File.open("db/schema.rb", "w") do |file|
ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file)
end
end
desc "Import a schema.rb file into the database."
task :db_schema_import => :environment do
file = ENV['SCHEMA'] || "db/schema.rb"
load file
end
desc "Recreate the test databases from the development structure"
task :clone_structure_to_test => [ :db_structure_dump, :purge_test_database ] 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"
`#{abcs["test"]["adapter"]} #{abcs["test"]["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",
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 "Dump the database structure to a SQL file"
task :db_structure_dump => :environment do
abcs = ActiveRecord::Base.configurations
case abcs[RAILS_ENV]["adapter"]
when "mysql", "oci"
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"]
`pg_dump -U "#{abcs[RAILS_ENV]["username"]}" -s -x -O -f db/#{RAILS_ENV}_structure.sql #{abcs[RAILS_ENV]["database"]}`
when "sqlite", "sqlite3"
`#{abcs[RAILS_ENV]["adapter"]} #{abcs[RAILS_ENV]["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
desc "Empty the test database"
task :purge_test_database => :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"]
`dropdb -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}`
`createdb -T template0 -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}`
when "sqlite","sqlite3"
File.delete(abcs["test"]["dbfile"]) if File.exist?(abcs["test"]["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"
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 "Creates a sessions table for use with CGI::Session::ActiveRecordStore"
task :create_sessions_table => :environment do
raise "Task unavailable to this database (no migration support)" unless ActiveRecord::Base.connection.supports_migrations?
ActiveRecord::Base.connection.create_table :sessions do |t|
t.column :session_id, :string
t.column :data, :text
t.column :updated_at, :datetime
end
ActiveRecord::Base.connection.add_index :sessions, :session_id
end
desc "Drop the sessions table"
task :drop_sessions_table => :environment do
raise "Task unavailable to this database (no migration support)" unless ActiveRecord::Base.connection.supports_migrations?
ActiveRecord::Base.connection.drop_table :sessions
end
desc "Drop and recreate the session table (much faster than 'DELETE * FROM sessions')"
task :purge_sessions_table => [ :drop_sessions_table, :create_sessions_table ] do
end
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