From 66f8156b0360fe5fd9225fd0b96646dfbe89aa82 Mon Sep 17 00:00:00 2001
From: Akinori MUSHA <knu@idaemons.org>
Date: Tue, 2 May 2017 13:39:02 +0900
Subject: [PATCH] Introduce PgAuditLog::AUDITED_EVENTS

By modifying this constant user could opt out of some events they
don't need to audit.
---
 lib/pg_audit_log.rb          | 6 ++++++
 lib/pg_audit_log/triggers.rb | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/pg_audit_log.rb b/lib/pg_audit_log.rb
index 11d0c0d..b4e0cb1 100644
--- a/lib/pg_audit_log.rb
+++ b/lib/pg_audit_log.rb
@@ -4,6 +4,12 @@ module PgAuditLog
     'sessions'.freeze,
     'schema_migrations'.freeze,
   ]
+
+  AUDITED_EVENTS = %w[
+    INSERT
+    UPDATE
+    DELETE
+  ]
 end
 
 require 'active_record'
diff --git a/lib/pg_audit_log/triggers.rb b/lib/pg_audit_log/triggers.rb
index 7e71e3d..5cd2f4c 100644
--- a/lib/pg_audit_log/triggers.rb
+++ b/lib/pg_audit_log/triggers.rb
@@ -72,7 +72,7 @@ def create_for_table(table_name)
         return if tables_with_triggers.include?(table_name)
         execute <<-SQL
           CREATE TRIGGER #{trigger_name_for_table(table_name)}
-          AFTER INSERT OR UPDATE OR DELETE
+          AFTER #{AUDITED_EVENTS.join(' OR ')}
           ON #{table_name}
           FOR EACH ROW
           EXECUTE PROCEDURE #{PgAuditLog::Function.name}()