1 files changed, 0 insertions, 30 deletions
diff --git a/db/migrate/20211012015903_next_traversal_ids_sibling_function.rb b/db/migrate/20211012015903_next_traversal_ids_sibling_function.rb
deleted file mode 100644
index f32b8fc5a65..00000000000
--- a/db/migrate/20211012015903_next_traversal_ids_sibling_function.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-# frozen_string_literal: true
-
-class NextTraversalIdsSiblingFunction < Gitlab::Database::Migration[1.0]
-  include Gitlab::Database::SchemaHelpers
-
-  FUNCTION_NAME = 'next_traversal_ids_sibling'
-
-  def up
-    # Given array [1,2,3,4,5], concatenate the first part of the array [1,2,3,4]
-    # with the last element in the array (5) after being incremented ([6]).
-    #
-    # [1,2,3,4,5] => [1,2,3,4,6]
-    execute(<<~SQL)
-      CREATE OR REPLACE FUNCTION #{FUNCTION_NAME}(traversal_ids INT[]) RETURNS INT[]
-      AS $$
-      BEGIN
-        return traversal_ids[1:array_length(traversal_ids, 1)-1] ||
-        ARRAY[traversal_ids[array_length(traversal_ids, 1)]+1];
-      END;
-      $$
-      LANGUAGE plpgsql
-      IMMUTABLE
-      RETURNS NULL ON NULL INPUT;
-    SQL
-  end
-
-  def down
-    execute("DROP FUNCTION #{FUNCTION_NAME}(traversal_ids INT[])")
-  end
-end