83 lines
4 KiB
Ruby
83 lines
4 KiB
Ruby
class AddRelations < ActiveRecord::Migration
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def self.up
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# a relation can have members much like a way can have nodes.
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# differences:
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# way: only nodes / relation: any kind of member
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# way: ordered sequence of nodes / relation: free-form "role" string
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create_table "current_relation_members", innodb_table do |t|
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t.column "id", :bigint, :limit => 64, :null => false
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t.column "member_type", :string, :limit => 11, :null => false
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t.column "member_id", :bigint, :limit => 11, :null => false
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t.column "member_role", :string
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end
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# enums work like strings but are more efficient
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execute "alter table current_relation_members change column member_type member_type enum('node','way','relation');"
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add_primary_key "current_relation_members", ["id", "member_type", "member_id", "member_role"]
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add_index "current_relation_members", ["member_type", "member_id"], :name => "current_relation_members_member_idx"
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# the following is obsolete given the primary key, is it not?
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# add_index "current_relation_members", ["id"], :name => "current_relation_members_id_idx"
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create_table "current_relation_tags", myisam_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 "current_relation_tags", ["id"], :name => "current_relation_tags_id_idx"
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execute "CREATE FULLTEXT INDEX `current_relation_tags_v_idx` ON `current_relation_tags` (`v`)"
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create_table "current_relations", innodb_table do |t|
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t.column "id", :bigint, :limit => 64, :null => false
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t.column "user_id", :bigint, :limit => 20, :null => false
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t.column "timestamp", :datetime, :null => false
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t.column "visible", :boolean, :null => false
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end
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add_primary_key "current_relations", ["id"]
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change_column "current_relations", "id", :bigint, :limit => 64, :null => false, :options => "AUTO_INCREMENT"
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create_table "relation_members", myisam_table do |t|
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t.column "id", :bigint, :limit => 64, :default => 0, :null => false
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t.column "member_type", :string, :limit => 11, :null => false
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t.column "member_id", :bigint, :limit => 11, :null => false
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t.column "member_role", :string
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t.column "version", :bigint, :limit => 20, :default => 0, :null => false
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end
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execute "alter table relation_members change column member_type member_type enum('node','way','relation');"
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add_primary_key "relation_members", ["id", "version", "member_type", "member_id", "member_role"]
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add_index "relation_members", ["member_type", "member_id"], :name => "relation_members_member_idx"
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create_table "relation_tags", myisam_table do |t|
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t.column "id", :bigint, :limit => 64, :default => 0, :null => false
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t.column "k", :string, :null => false, :default => ""
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t.column "v", :string, :null => false, :default => ""
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t.column "version", :bigint, :limit => 20, :null => false
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end
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add_index "relation_tags", ["id", "version"], :name => "relation_tags_id_version_idx"
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create_table "relations", myisam_table do |t|
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t.column "id", :bigint, :limit => 64, :null => false, :default => 0
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t.column "user_id", :bigint, :limit => 20, :null => false
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t.column "timestamp", :datetime, :null => false
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t.column "version", :bigint, :limit => 20, :null => false
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t.column "visible", :boolean, :null => false, :default => true
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end
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add_primary_key "relations", ["id", "version"]
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add_index "relations", ["timestamp"], :name => "relations_timestamp_idx"
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change_column "relations", "version", :bigint, :limit => 20, :null => false, :options => "AUTO_INCREMENT"
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end
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def self.down
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drop_table :relations
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drop_table :current_relations
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drop_table :relation_tags
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drop_table :current_relation_tags
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drop_table :relation_members
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drop_table :current_relation_members
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end
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end
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