1 files changed, 24 insertions, 0 deletions
diff --git a/gems/gitlab-schema-validation/lib/gitlab/schema/validation/validators/different_definition_foreign_keys.rb b/gems/gitlab-schema-validation/lib/gitlab/schema/validation/validators/different_definition_foreign_keys.rb
new file mode 100644
index 00000000000..d8ea7807cc5
--- /dev/null
+++ b/gems/gitlab-schema-validation/lib/gitlab/schema/validation/validators/different_definition_foreign_keys.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Schema
+    module Validation
+      module Validators
+        class DifferentDefinitionForeignKeys < Base
+          ERROR_MESSAGE = "The %s foreign key has a different statement between structure.sql and database"
+
+          def execute
+            structure_sql.foreign_keys.filter_map do |structure_sql_fk|
+              database_fk = database.fetch_foreign_key_by_name(structure_sql_fk.name)
+
+              next if database_fk.nil?
+              next if database_fk.statement == structure_sql_fk.statement
+
+              build_inconsistency(self.class, structure_sql_fk, database_fk)
+            end
+          end
+        end
+      end
+    end
+  end
+end