From 0ab263b32967834fb209d4cf660fae0b56143965 Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Sun, 27 Dec 2020 20:42:11 +0300
Subject: [PATCH] mdbx: purge deleted spilled pagenums on refund.

Change-Id: I325fbad82cbecb71c35dd1edd1a2abccb8108541
---
 src/core.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/core.c b/src/core.c
index 3b1ed00c..1986c963 100644
--- a/src/core.c
+++ b/src/core.c
@@ -4030,7 +4030,14 @@ static bool mdbx_refund(MDBX_txn *txn) {
       break;
   }
 
-  return before != txn->mt_next_pgno;
+  if (before == txn->mt_next_pgno)
+    return false;
+
+  if (txn->tw.spill_pages)
+    /* Squash deleted pagenums if we refunded any */
+    mdbx_pnl_purge_odd(txn->tw.spill_pages, 1);
+
+  return true;
 }
 
 static __cold void mdbx_kill_page(MDBX_env *env, MDBX_page *mp, pgno_t pgno,