Commit 793b9a5c authored by Valery Sizov's avatar Valery Sizov

Improve migration for Multipple issue assignee feature

parent 43befaf2
......@@ -29,7 +29,7 @@ module Members
issue_ids = IssuesFinder.new(user, group_id: member.source_id, assignee_id: member.user_id).
execute.pluck(:id)
IssueAssignee.destroy_all(issue_id: issue_ids, user_id: member.user_id)
IssueAssignee.delete_all(issue_id: issue_ids, user_id: member.user_id)
MergeRequestsFinder.new(user, group_id: member.source_id, assignee_id: member.user_id).
execute.
......@@ -37,7 +37,7 @@ module Members
else
project = member.source
IssueAssignee.destroy_all(
IssueAssignee.delete_all(
user_id: member.user_id,
issue_id: project.issues.opened.assigned_to(member.user).select(:id)
)
......
......@@ -37,16 +37,8 @@ class MigrateAssignees < ActiveRecord::Migration
users.project("true").where(users[:id].eq(table[:assignee_id])).exists.not
))
end
execute <<-EOF
INSERT INTO issue_assignees(issue_id, user_id)
SELECT id, assignee_id FROM issues WHERE assignee_id IS NOT NULL
EOF
end
def down
execute <<-EOF
DELETE FROM issue_assignees
EOF
end
end
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class MigrateAssigneeToSeparateTable < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
# When a migration requires downtime you **must** uncomment the following
# constant and define a short and easy to understand explanation as to why the
# migration requires downtime.
# DOWNTIME_REASON = ''
# When using the methods "add_concurrent_index", "remove_concurrent_index" or
# "add_column_with_default" you must disable the use of transactions
# as these methods can not run in an existing transaction.
# When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
# that either of them is the _only_ method called in the migration,
# any other changes should go in a separate migration.
# This ensures that upon failure _only_ the index creation or removing fails
# and can be retried or reverted easily.
#
# To disable transactions uncomment the following line and remove these
# comments:
# disable_ddl_transaction!
def up
drop_table(:issue_assignees) if table_exists?(:issue_assignees)
if Gitlab::Database.mysql?
execute <<-EOF
CREATE TABLE issue_assignees AS
SELECT assignee_id AS user_id, id AS issue_id FROM issues WHERE assignee_id IS NOT NULL
EOF
else
ActiveRecord::Base.transaction do
execute('LOCK TABLE issues IN EXCLUSIVE MODE')
execute <<-EOF
CREATE TABLE issue_assignees AS
SELECT assignee_id AS user_id, id AS issue_id FROM issues WHERE assignee_id IS NOT NULL
EOF
execute <<-EOF
CREATE OR REPLACE FUNCTION replicate_assignee_id()
RETURNS trigger AS
$BODY$
BEGIN
if OLD.assignee_id IS NOT NULL THEN
DELETE FROM issue_assignees WHERE issue_id = OLD.id;
END IF;
if NEW.assignee_id IS NOT NULL THEN
INSERT INTO issue_assignees (user_id, issue_id) VALUES (NEW.assignee_id, NEW.id);
END IF;
RETURN NEW;
END;
$BODY$
LANGUAGE 'plpgsql'
VOLATILE;
CREATE TRIGGER replicate_assignee_id
BEFORE INSERT OR UPDATE OF assignee_id
ON issues
FOR EACH ROW EXECUTE PROCEDURE replicate_assignee_id();
EOF
end
end
end
def down
drop_table(:issue_assignees) if table_exists?(:issue_assignees)
if Gitlab::Database.postgresql?
execute <<-EOF
DROP TRIGGER IF EXISTS replicate_assignee_id ON issues;
DROP FUNCTION IF EXISTS replicate_assignee_id();
EOF
end
end
end
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AddIndicesToIssueAssignees < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
# When a migration requires downtime you **must** uncomment the following
# constant and define a short and easy to understand explanation as to why the
# migration requires downtime.
# DOWNTIME_REASON = ''
# When using the methods "add_concurrent_index", "remove_concurrent_index" or
# "add_column_with_default" you must disable the use of transactions
# as these methods can not run in an existing transaction.
# When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
# that either of them is the _only_ method called in the migration,
# any other changes should go in a separate migration.
# This ensures that upon failure _only_ the index creation or removing fails
# and can be retried or reverted easily.
#
# To disable transactions uncomment the following line and remove these
# comments:
disable_ddl_transaction!
def up
add_concurrent_index :issue_assignees, [:issue_id, :user_id], unique: true, name: 'index_issue_assignees_on_issue_id_and_user_id'
add_concurrent_index :issue_assignees, :user_id, name: 'index_issue_assignees_on_user_id'
add_concurrent_foreign_key :issue_assignees, :users, column: :user_id, on_delete: :cascade
add_concurrent_foreign_key :issue_assignees, :issues, column: :issue_id, on_delete: :cascade
end
def down
remove_foreign_key :issue_assignees, column: :user_id
remove_foreign_key :issue_assignees, column: :issue_id
remove_concurrent_index :issue_assignees, [:issue_id, :user_id] if index_exists?(:issue_assignees, [:issue_id, :user_id])
remove_concurrent_index :issue_assignees, :user_id if index_exists?(:issue_assignees, :user_id)
end
end
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class CleanupTriggerForIssues < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
# When a migration requires downtime you **must** uncomment the following
# constant and define a short and easy to understand explanation as to why the
# migration requires downtime.
# DOWNTIME_REASON = ''
# When using the methods "add_concurrent_index", "remove_concurrent_index" or
# "add_column_with_default" you must disable the use of transactions
# as these methods can not run in an existing transaction.
# When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
# that either of them is the _only_ method called in the migration,
# any other changes should go in a separate migration.
# This ensures that upon failure _only_ the index creation or removing fails
# and can be retried or reverted easily.
#
# To disable transactions uncomment the following line and remove these
# comments:
disable_ddl_transaction!
def up
if Gitlab::Database.postgresql?
execute <<-EOF
DROP TRIGGER IF EXISTS replicate_assignee_id ON issues;
DROP FUNCTION IF EXISTS replicate_assignee_id();
EOF
end
end
def down
end
end
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class CreateIssueAssigneesTable < ActiveRecord::Migration
class AddConstraintsToIssueAssigneesTable < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
INDEX_NAME = 'index_issue_assignees_on_issue_id_and_user_id'
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
......@@ -14,27 +12,26 @@ class CreateIssueAssigneesTable < ActiveRecord::Migration
# migration requires downtime.
# DOWNTIME_REASON = ''
# When using the methods "add_concurrent_index" or "add_column_with_default"
# you must disable the use of transactions as these methods can not run in an
# existing transaction. When using "add_concurrent_index" make sure that this
# method is the _only_ method called in the migration, any other changes
# should go in a separate migration. This ensures that upon failure _only_ the
# index creation fails and can be retried or reverted easily.
# When using the methods "add_concurrent_index", "remove_concurrent_index" or
# "add_column_with_default" you must disable the use of transactions
# as these methods can not run in an existing transaction.
# When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
# that either of them is the _only_ method called in the migration,
# any other changes should go in a separate migration.
# This ensures that upon failure _only_ the index creation or removing fails
# and can be retried or reverted easily.
#
# To disable transactions uncomment the following line and remove these
# comments:
# disable_ddl_transaction!
def up
create_table :issue_assignees do |t|
t.references :user, foreign_key: { on_delete: :cascade }, index: true, null: false
t.references :issue, foreign_key: { on_delete: :cascade }, null: false
end
add_index :issue_assignees, [:issue_id, :user_id], unique: true, name: INDEX_NAME
change_column :issue_assignees, :issue_id, :integer, null: false
change_column :issue_assignees, :user_id, :integer, null: false
end
def down
drop_table :issue_assignees
change_column :issue_assignees, :issue_id, :integer
change_column :issue_assignees, :user_id, :integer
end
end
......@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20170511101000) do
ActiveRecord::Schema.define(version: 20170516183131) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
......@@ -459,7 +459,7 @@ ActiveRecord::Schema.define(version: 20170511101000) do
add_index "identities", ["user_id"], name: "index_identities_on_user_id", using: :btree
create_table "issue_assignees", force: :cascade do |t|
create_table "issue_assignees", id: false, force: :cascade do |t|
t.integer "user_id", null: false
t.integer "issue_id", null: false
end
......@@ -1423,8 +1423,8 @@ ActiveRecord::Schema.define(version: 20170511101000) do
add_foreign_key "ci_triggers", "users", column: "owner_id", name: "fk_e8e10d1964", on_delete: :cascade
add_foreign_key "ci_variables", "projects", name: "fk_ada5eb64b3", on_delete: :cascade
add_foreign_key "container_repositories", "projects"
add_foreign_key "issue_assignees", "issues", on_delete: :cascade
add_foreign_key "issue_assignees", "users", on_delete: :cascade
add_foreign_key "issue_assignees", "issues", name: "fk_b7d881734a", on_delete: :cascade
add_foreign_key "issue_assignees", "users", name: "fk_5e0c8d9154", on_delete: :cascade
add_foreign_key "issue_metrics", "issues", on_delete: :cascade
add_foreign_key "label_priorities", "labels", on_delete: :cascade
add_foreign_key "label_priorities", "projects", on_delete: :cascade
......
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