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
|
# File 'lib/que/migrations.rb', line 10
def migrate!(version:)
Que.transaction do
current = db_version
if current == version
return
elsif current < version
direction = :up
steps = ((current + 1)..version).to_a
elsif current > version
direction = :down
steps = ((version + 1)..current).to_a.reverse
end
steps.each do |step|
filename = [
File.dirname(__FILE__),
'migrations',
step,
direction,
].join('/') << '.sql'
Que.execute(File.read(filename))
end
set_db_version(version)
end
end
|