From 94e167995537015f5100b526791cd51268aa0f2f Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Tue, 31 May 2016 09:13:03 +0200
Subject: adding a few more uniqueness constraints to DB

---
 src/include/taler_exchangedb_plugin.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/include/taler_exchangedb_plugin.h')

diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index 978c335d..d55bd8d1 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -1488,6 +1488,18 @@ struct TALER_EXCHANGEDB_Plugin
                            void *cb_cls);
 
 
+  /**
+   * Function called to perform "garbage collection" on the
+   * database, expiring records we no longer require.
+   *
+   * @param cls closure
+   * @return #GNUNET_OK on success,
+   *         #GNUNET_NO if there was nothing to GC
+   *         #GNUNET_SYSERR on DB errors
+   */
+  int
+  (*gc) (void *cls);
+
 };
 
 
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