Add latest changes from gitlab-org/gitlab@14-4-stable-eev14.4.0-rc42

1 files changed, 40 insertions, 0 deletions

diff --git a/db/migrate/20211005100112_recreate_loose_fk_insert_function.rb b/db/migrate/20211005100112_recreate_loose_fk_insert_function.rb
new file mode 100644
index 00000000000..b03ad069eba
--- /dev/null
+++ b/db/migrate/20211005100112_recreate_loose_fk_insert_function.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+class RecreateLooseFkInsertFunction < Gitlab::Database::Migration[1.0]
+  include Gitlab::Database::MigrationHelpers::LooseForeignKeyHelpers
+
+  def up
+    execute(<<~SQL)
+      CREATE OR REPLACE FUNCTION #{DELETED_RECORDS_INSERT_FUNCTION_NAME}()
+      RETURNS TRIGGER AS
+      $$
+      BEGIN
+        INSERT INTO loose_foreign_keys_deleted_records
+        (partition, fully_qualified_table_name, primary_key_value)
+        SELECT 1, TG_TABLE_SCHEMA || '.' || TG_TABLE_NAME, old_table.id FROM old_table
+        ON CONFLICT DO NOTHING;
+
+        RETURN NULL;
+      END
+      $$ LANGUAGE PLPGSQL
+    SQL
+  end
+
+  def down
+    # old function
+    execute(<<~SQL)
+      CREATE OR REPLACE FUNCTION #{DELETED_RECORDS_INSERT_FUNCTION_NAME}()
+      RETURNS TRIGGER AS
+      $$
+      BEGIN
+        INSERT INTO loose_foreign_keys_deleted_records
+        (deleted_table_name, deleted_table_primary_key_value)
+        SELECT TG_TABLE_NAME, old_table.id FROM old_table
+        ON CONFLICT DO NOTHING;
+
+        RETURN NULL;
+      END
+      $$ LANGUAGE PLPGSQL
+    SQL
+  end
+end