45 lines
1.3 KiB
Ruby
45 lines
1.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class RemoveNullableDates < ActiveRecord::Migration[4.2]
|
|
def up
|
|
|
|
# must drop so we can muck with the column
|
|
execute "DROP VIEW badge_posts"
|
|
|
|
# Rails 3 used to have nullable created_at and updated_at dates
|
|
# this is no longer the case in Rails 4, some old installs have
|
|
# this relic
|
|
# Fix it
|
|
sql = "select table_name, column_name from information_schema.columns
|
|
WHERE column_name IN ('created_at','updated_at') AND
|
|
table_schema = 'public' AND
|
|
is_nullable = 'YES' AND
|
|
is_updatable = 'YES' AND
|
|
data_type = 'timestamp without time zone'"
|
|
|
|
execute(sql).each do |row|
|
|
table = row["table_name"]
|
|
column = row["column_name"]
|
|
|
|
execute "UPDATE \"#{table}\" SET #{column} = CURRENT_TIMESTAMP WHERE #{column} IS NULL"
|
|
change_column table.to_sym, column.to_sym, :datetime, null: false
|
|
end
|
|
|
|
execute "CREATE VIEW badge_posts AS
|
|
SELECT p.*
|
|
FROM posts p
|
|
JOIN topics t ON t.id = p.topic_id
|
|
JOIN categories c ON c.id = t.category_id
|
|
WHERE c.allow_badges AND
|
|
p.deleted_at IS NULL AND
|
|
t.deleted_at IS NULL AND
|
|
NOT c.read_restricted AND
|
|
t.visible"
|
|
|
|
end
|
|
|
|
def down
|
|
# no need to revert
|
|
end
|
|
end
|