1 files changed, 43 insertions, 0 deletions
diff --git a/lib/gitlab/database/schema_validation/inconsistency_filter.rb b/lib/gitlab/database/schema_validation/inconsistency_filter.rb
new file mode 100644
index 00000000000..aa3a71c0edb
--- /dev/null
+++ b/lib/gitlab/database/schema_validation/inconsistency_filter.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Database
+    module SchemaValidation
+      class InconsistencyFilter
+        def initialize(tables, triggers)
+          @tables = tables
+          @triggers = triggers
+        end
+
+        def to_proc
+          proc do |inconsistency|
+            inconsistency unless ignored?(inconsistency)
+          end
+        end
+
+        private
+
+        attr_reader :tables, :triggers
+
+        def ignored?(inconsistency)
+          case inconsistency.type
+          in 'extra_tables' | 'missing_tables'
+            ignored_table?(inconsistency.table_name)
+          in 'extra_triggers' | 'missing_triggers'
+            ignored_trigger?(inconsistency.object_name)
+          else
+            false
+          end
+        end
+
+        def ignored_table?(name)
+          tables.include?(name)
+        end
+
+        def ignored_trigger?(name)
+          triggers.any? { |ignored_object| name.to_s.include?(ignored_object) }
+        end
+      end
+    end
+  end
+end