diff options
Diffstat (limited to 'db/migrate')
4 files changed, 32 insertions, 23 deletions
diff --git a/db/migrate/20161130095245_fill_routes_table.rb b/db/migrate/20161130095245_fill_routes_table.rb index 6754e583000..c3536d6d911 100644 --- a/db/migrate/20161130095245_fill_routes_table.rb +++ b/db/migrate/20161130095245_fill_routes_table.rb @@ -16,6 +16,6 @@ class FillRoutesTable < ActiveRecord::Migration end def down - Route.delete_all(source_type: 'Namespace') + execute("DELETE FROM routes WHERE source_type = 'Namespace'") end end diff --git a/db/migrate/20161130101252_fill_projects_routes_table.rb b/db/migrate/20161130101252_fill_projects_routes_table.rb index 14700583be5..56ba6fcdbe3 100644 --- a/db/migrate/20161130101252_fill_projects_routes_table.rb +++ b/db/migrate/20161130101252_fill_projects_routes_table.rb @@ -8,15 +8,23 @@ class FillProjectsRoutesTable < ActiveRecord::Migration DOWNTIME_REASON = 'No new projects should be created during data copy' def up - execute <<-EOF - INSERT INTO routes - (source_id, source_type, path) - (SELECT projects.id, 'Project', concat(namespaces.path, '/', projects.path) FROM projects - INNER JOIN namespaces ON projects.namespace_id = namespaces.id) - EOF + if Gitlab::Database.postgresql? + execute <<-EOF + INSERT INTO routes (source_id, source_type, path) + (SELECT DISTINCT ON (namespaces.path, projects.path) projects.id, 'Project', concat(namespaces.path, '/', projects.path) + FROM projects INNER JOIN namespaces ON projects.namespace_id = namespaces.id + ORDER BY namespaces.path, projects.path, projects.id DESC) + EOF + else + execute <<-EOF + INSERT INTO routes (source_id, source_type, path) + (SELECT projects.id, 'Project', concat(namespaces.path, '/', projects.path) + FROM projects INNER JOIN namespaces ON projects.namespace_id = namespaces.id) + EOF + end end def down - Route.delete_all(source_type: 'Project') + execute("DELETE FROM routes WHERE source_type = 'Project'") end end diff --git a/db/migrate/20161202152031_remove_duplicates_from_routes.rb b/db/migrate/20161202152031_remove_duplicates_from_routes.rb index 510796e05f2..d73b0847506 100644 --- a/db/migrate/20161202152031_remove_duplicates_from_routes.rb +++ b/db/migrate/20161202152031_remove_duplicates_from_routes.rb @@ -7,20 +7,21 @@ class RemoveDuplicatesFromRoutes < ActiveRecord::Migration DOWNTIME = false def up - select_all("SELECT path FROM #{quote_table_name(:routes)} GROUP BY path HAVING COUNT(*) > 1").each do |row| - path = connection.quote(row['path']) - execute(%Q{ - DELETE FROM #{quote_table_name(:routes)} - WHERE path = #{path} - AND id != ( - SELECT id FROM ( - SELECT max(id) AS id - FROM #{quote_table_name(:routes)} - WHERE path = #{path} - ) max_ids - ) - }) - end + # We can skip this migration when running a PostgreSQL database because + # we use an optimized query in the "FillProjectsRoutesTable" migration + # to fill these values that avoid duplicate entries in the routes table. + return unless Gitlab::Database.mysql? + + execute <<-EOF + DELETE duplicated_rows.* + FROM routes AS duplicated_rows + INNER JOIN ( + SELECT path, MAX(id) as max_id + FROM routes + GROUP BY path + HAVING COUNT(*) > 1 + ) AS good_rows ON good_rows.path = duplicated_rows.path AND good_rows.max_id <> duplicated_rows.id; + EOF end def down diff --git a/db/migrate/20161206153754_add_name_index_to_namespace.rb b/db/migrate/20161206153754_add_name_index_to_namespace.rb index aaa35ed6f0a..b3f3cb68a99 100644 --- a/db/migrate/20161206153754_add_name_index_to_namespace.rb +++ b/db/migrate/20161206153754_add_name_index_to_namespace.rb @@ -13,7 +13,7 @@ class AddNameIndexToNamespace < ActiveRecord::Migration end def down - if index_exists?(:namespaces, :name) + if index_exists?(:namespaces, [:name, :parent_id]) remove_index :namespaces, [:name, :parent_id] end end |