51 lines
2 KiB
Ruby
51 lines
2 KiB
Ruby
class AddChangesets < ActiveRecord::Migration
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@@conv_user_tables = ['current_nodes',
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'current_relations', 'current_ways', 'nodes', 'relations', 'ways' ]
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def self.up
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create_table "changesets", innodb_table do |t|
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t.column "id", :bigint, :limit => 20, :null => false
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t.column "user_id", :bigint, :limit => 20, :null => false
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t.column "created_at", :datetime, :null => false
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t.column "open", :boolean, :null => false, :default => true
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t.column "min_lat", :integer, :null => true
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t.column "max_lat", :integer, :null => true
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t.column "min_lon", :integer, :null => true
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t.column "max_lon", :integer, :null => true
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end
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add_primary_key "changesets", ["id"]
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# FIXME add indexes?
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change_column "changesets", "id", :bigint, :limit => 20, :null => false, :options => "AUTO_INCREMENT"
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create_table "changeset_tags", innodb_table do |t|
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t.column "id", :bigint, :limit => 64, :null => false
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t.column "k", :string, :default => "", :null => false
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t.column "v", :string, :default => "", :null => false
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end
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add_index "changeset_tags", ["id"], :name => "changeset_tags_id_idx"
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#
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# Initially we will have one changeset for every user containing
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# all edits up to the API change,
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# all the changesets will have the id of the user that made them.
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# We need to generate a changeset for each user in the database
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execute "INSERT INTO changesets (id, user_id, created_at, open)" +
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"SELECT user_id, user_id, creation_time, 0 from users;"
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@@conv_user_tables.each { |tbl|
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rename_column tbl, :user_id, :changeset_id
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#foreign keys too
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add_foreign_key tbl, :changeset_id, [:id], :users
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}
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end
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def self.down
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# It's not easy to generate the user ids from the changesets
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raise IrreversibleMigration.new
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#drop_table "changesets"
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#drop_table "changeset_tags"
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end
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end
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