From e08d8bba82aaa9ce9e00fdb4eaff6e7d65c12e45 Mon Sep 17 00:00:00 2001
From: ondrej <ondrej@idefix.freepascal.org>
Date: Tue, 7 Apr 2020 09:59:32 +0000
Subject: [PATCH] TCustomBufDataset: set PacketRecords to 1 only on a
 UniDirectional dataset

git-svn-id: trunk@44633 -
---
 packages/fcl-db/src/base/bufdataset.pas | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/fcl-db/src/base/bufdataset.pas b/packages/fcl-db/src/base/bufdataset.pas
index 21249846fd..fcbc5e3193 100644
--- a/packages/fcl-db/src/base/bufdataset.pas
+++ b/packages/fcl-db/src/base/bufdataset.pas
@@ -1999,7 +1999,8 @@ begin
     begin
     SetUniDirectional(AValue);
     ClearIndexes;
-    FPacketRecords := 1; // temporary
+    if IsUniDirectional then
+      FPacketRecords := 1; // UniDirectional dataset does not allow FPacketRecords<0
     end;
 end;