1 files changed, 0 insertions, 67 deletions
diff --git a/db/post_migrate/20210805131510_finalize_ci_builds_runner_session_bigint_conversion.rb b/db/post_migrate/20210805131510_finalize_ci_builds_runner_session_bigint_conversion.rb
deleted file mode 100644
index 5e18450f465..00000000000
--- a/db/post_migrate/20210805131510_finalize_ci_builds_runner_session_bigint_conversion.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-# frozen_string_literal: true
-
-class FinalizeCiBuildsRunnerSessionBigintConversion < ActiveRecord::Migration[6.1]
-  include Gitlab::Database::MigrationHelpers
-
-  disable_ddl_transaction!
-
-  TABLE_NAME = 'ci_builds_runner_session'
-
-  def up
-    ensure_batched_background_migration_is_finished(
-      job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
-      table_name: TABLE_NAME,
-      column_name: 'id',
-      job_arguments: [['build_id'], ['build_id_convert_to_bigint']]
-    )
-
-    swap
-  end
-
-  def down
-    swap
-  end
-
-  private
-
-  def swap
-    add_concurrent_index TABLE_NAME, :build_id_convert_to_bigint, unique: true, name: 'index_ci_builds_runner_session_on_build_id_convert_to_bigint'
-
-    # Add a foreign key on `build_id_convert_to_bigint` before we swap the columns and drop the old FK ()
-    add_concurrent_foreign_key TABLE_NAME, :ci_builds, column: :build_id_convert_to_bigint, on_delete: :cascade, name: 'fk_rails_70707857d3_tmp', reverse_lock_order: true
-
-    with_lock_retries(raise_on_exhaustion: true) do
-      # We'll need  ACCESS EXCLUSIVE lock on the related tables,
-      # lets make sure it can be acquired from the start
-      execute "LOCK TABLE ci_builds, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"
-
-      # Swap column names
-      temp_name = 'build_id_tmp'
-      execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(:build_id)} TO #{quote_column_name(temp_name)}"
-      execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(:build_id_convert_to_bigint)} TO #{quote_column_name(:build_id)}"
-      execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(temp_name)} TO #{quote_column_name(:build_id_convert_to_bigint)}"
-
-      # We need to update the trigger function in order to make PostgreSQL to
-      # regenerate the execution plan for it. This is to avoid type mismatch errors like
-      # "type of parameter 15 (bigint) does not match that when preparing the plan (integer)"
-      function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME, connection: connection).name(:build_id, :build_id_convert_to_bigint)
-      execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
-
-      # Swap defaults
-      change_column_default TABLE_NAME, :build_id, nil
-      change_column_default TABLE_NAME, :build_id_convert_to_bigint, 0
-
-      # Rename the index on the `bigint` column to match the new column name
-      # (we already hold an exclusive lock, so no need to use DROP INDEX CONCURRENTLY here)
-      execute 'DROP INDEX index_ci_builds_runner_session_on_build_id'
-      rename_index TABLE_NAME, 'index_ci_builds_runner_session_on_build_id_convert_to_bigint', 'index_ci_builds_runner_session_on_build_id'
-
-      # Drop original FK on the old int4 `build_id` (fk_rails_70707857d3)
-      remove_foreign_key TABLE_NAME, name: 'fk_rails_70707857d3'
-
-      # We swapped the columns but the FK for buil_id is still using the temporary name for the build_id_convert_to_bigint column
-      # So we have to also swap the FK name now that we dropped the other one with the same
-      rename_constraint(TABLE_NAME, 'fk_rails_70707857d3_tmp', 'fk_rails_70707857d3')
-    end
-  end
-end