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/ migrate_hstore_to_json.rb
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January 19, 2022 08:02
— forked from estum/migrate_hstore_to_json.rb
Ruby on Rails & Postgres: Reversible migrate hstore column to jsonb with contents
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| class MigrateHstoreToJson < ActiveRecord::Migration | |
| def up | |
| rename_column :posts, :data, :data_hstore | |
| add_column :posts, :data, :jsonb, default: {}, null: false, index: { using: 'gin' } | |
| execute 'UPDATE "posts" SET "data" = jsonb_object(hstore_to_matrix("data_hstore"))' | |
| remove_column :posts, :data_hstore | |
| end | |
| def down | |
| rename_column :posts, :data, :data_jsonb |