discourse/db/migrate/20170328163918_break_up_the...

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class BreakUpThemesTable < ActiveRecord::Migration
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
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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