Commit 7957b204 authored by Yorick Peterse's avatar Yorick Peterse

Merge branch '22699-group-permssion-background-migration' into 'master'

Fix project records with invalid visibility_level values

See merge request !7391
parents 0c7c0edf 2689428a
---
title: Fix project records with invalid visibility_level values
merge_request: 7391
author:
class FixProjectRecordsWithInvalidVisibility < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
BATCH_SIZE = 1000
DOWNTIME = false
# This migration is idempotent and there's no sense in throwing away the
# partial result if it's interrupted
disable_ddl_transaction!
def up
projects = Arel::Table.new(:projects)
namespaces = Arel::Table.new(:namespaces)
finder =
projects.
join(namespaces, Arel::Nodes::InnerJoin).
on(projects[:namespace_id].eq(namespaces[:id])).
where(projects[:visibility_level].gt(namespaces[:visibility_level])).
project(projects[:id]).
take(BATCH_SIZE)
# MySQL requires a derived table to perform this query
nested_finder =
projects.
from(finder.as("AS projects_inner")).
project(projects[:id])
valuer =
namespaces.
where(namespaces[:id].eq(projects[:namespace_id])).
project(namespaces[:visibility_level])
# Update matching rows until none remain. The finder contains a limit.
loop do
updater = Arel::UpdateManager.new(ActiveRecord::Base).
table(projects).
set(projects[:visibility_level] => Arel::Nodes::SqlLiteral.new("(#{valuer.to_sql})")).
where(projects[:id].in(nested_finder))
num_updated = connection.exec_update(updater.to_sql, self.class.name, [])
break if num_updated == 0
end
end
def down
# no-op
end
end
......@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20161106185620) do
ActiveRecord::Schema.define(version: 20161109150329) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
......
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