1 files changed, 0 insertions, 31 deletions
diff --git a/db/migrate/20201202155913_add_primary_key_to_merge_request_context_commit_diff_files.rb b/db/migrate/20201202155913_add_primary_key_to_merge_request_context_commit_diff_files.rb
deleted file mode 100644
index 90c7b2731c8..00000000000
--- a/db/migrate/20201202155913_add_primary_key_to_merge_request_context_commit_diff_files.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-# frozen_string_literal: true
-
-class AddPrimaryKeyToMergeRequestContextCommitDiffFiles < ActiveRecord::Migration[6.0]
-  include Gitlab::Database::MigrationHelpers
-
-  DOWNTIME = false
-
-  def up
-    execute(<<~SQL)
-      DELETE FROM merge_request_context_commit_diff_files
-      WHERE merge_request_context_commit_id IS NULL;
-
-      DELETE FROM merge_request_context_commit_diff_files df1
-      USING merge_request_context_commit_diff_files df2
-      WHERE df1.ctid < df2.ctid
-        AND df1.merge_request_context_commit_id = df2.merge_request_context_commit_id
-        AND df1.relative_order = df2.relative_order;
-
-      ALTER TABLE merge_request_context_commit_diff_files
-      ADD CONSTRAINT merge_request_context_commit_diff_files_pkey PRIMARY KEY (merge_request_context_commit_id, relative_order);
-    SQL
-  end
-
-  def down
-    execute(<<~SQL)
-      ALTER TABLE merge_request_context_commit_diff_files
-      DROP CONSTRAINT merge_request_context_commit_diff_files_pkey,
-      ALTER COLUMN merge_request_context_commit_id DROP NOT NULL
-    SQL
-  end
-end