discourse/db/migrate/20170328163918_break_up_themes_table.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.

Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
2019-05-13 09:31:32 +08:00

57 lines
1.4 KiB
Ruby

# frozen_string_literal: true
class BreakUpThemesTable < ActiveRecord::Migration[4.2]
def change
create_table :theme_fields do |t|
t.integer :theme_id, null: false
t.integer :target, null: false
t.string :name, null: false
t.text :value, null: false
t.text :value_baked
t.timestamps null: false
end
add_index :theme_fields, [:theme_id, :target, :name], unique: true
[
[0, "embedded_scss", "embedded_scss"],
[0, "common_scss", "scss"],
[1, "desktop_scss", "scss"],
[2, "mobile_scss", "scss"],
[0, "head_tag", "head_tag"],
[0, "body_tag", "body_tag"],
[1, "header", "header"],
[2, "mobile_header", "header"],
[1, "top", "after_header"],
[2, "mobile_top", "after_header"],
[1, "footer", "footer"],
[2, "mobile_footer", "footer"],
].each do |target, value, name|
execute <<SQL
INSERT INTO theme_fields (
theme_id,
target,
name,
value,
created_at,
updated_at
)
SELECT id, #{target}, '#{name}', #{value}, created_at, updated_at
FROM themes WHERE #{value} IS NOT NULL AND LENGTH(BTRIM(#{value})) > 0
SQL
remove_column :themes, value
end
%w{ head_tag_baked
body_tag_baked
header_baked
footer_baked
mobile_footer_baked
mobile_header_baked
}.each do |col|
remove_column :themes, col
end
end
end