Add latest changes from gitlab-org/gitlab@16-0-stable-eev16.0.0-rc42

1 files changed, 46 insertions, 0 deletions

diff --git a/db/post_migrate/20230329091300_swap_ci_runner_machine_builds_primary_key_v2.rb b/db/post_migrate/20230329091300_swap_ci_runner_machine_builds_primary_key_v2.rb
new file mode 100644
index 00000000000..ad40ed118b1
--- /dev/null
+++ b/db/post_migrate/20230329091300_swap_ci_runner_machine_builds_primary_key_v2.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+class SwapCiRunnerMachineBuildsPrimaryKeyV2 < Gitlab::Database::Migration[2.1]
+  include Gitlab::Database::PartitioningMigrationHelpers
+
+  disable_ddl_transaction!
+
+  TABLE_NAME = :p_ci_runner_machine_builds
+  BUILDS_TABLE = :ci_builds
+
+  def up
+    reorder_primary_key_columns([:build_id, :partition_id])
+  end
+
+  def down
+    reorder_primary_key_columns([:partition_id, :build_id])
+  end
+
+  private
+
+  def reorder_primary_key_columns(columns)
+    with_lock_retries(raise_on_exhaustion: true) do
+      connection.execute(<<~SQL)
+        LOCK TABLE #{BUILDS_TABLE}, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE;
+      SQL
+
+      partitions = Gitlab::Database::PostgresPartitionedTable.each_partition(TABLE_NAME).to_a
+      partitions.each { |partition| drop_table partition.identifier }
+
+      execute <<~SQL
+        ALTER TABLE #{TABLE_NAME}
+          DROP CONSTRAINT p_ci_runner_machine_builds_pkey CASCADE;
+
+        ALTER TABLE #{TABLE_NAME}
+          ADD PRIMARY KEY (#{columns.join(', ')});
+      SQL
+
+      partitions.each do |partition|
+        connection.execute(<<~SQL)
+          CREATE TABLE IF NOT EXISTS #{partition.identifier}
+            PARTITION OF #{partition.parent_identifier} #{partition.condition};
+        SQL
+      end
+    end
+  end
+end