From cf848323a3f35e7b66c1c7ec93bdbbd71f273eeb Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Sat, 16 Jan 2021 22:05:18 +0100
Subject: [PATCH] QSql/PostgreSQL: allow blobs with more than 2^30 bytes

Due to limitations of QByteArray it was not possible to store more than
2^31 bytes. This was fixed in Qt6 so throw away the casts to int in the
postgres plugin

Fixes: QTBUG-79059
Change-Id: I8ae7276a04d4936bcf5ba6c413e3412f6c342ff5
Reviewed-by: Robert Szefner <robertsz27@interia.pl>
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
(cherry picked from commit 4e2a94236998cd05753167953d9167793baf9942)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/plugins/sqldrivers/psql/qsql_psql.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/plugins/sqldrivers/psql/qsql_psql.cpp b/src/plugins/sqldrivers/psql/qsql_psql.cpp
index b6b2174a01e..4c3d6ca13fc 100644
--- a/src/plugins/sqldrivers/psql/qsql_psql.cpp
+++ b/src/plugins/sqldrivers/psql/qsql_psql.cpp
@@ -696,8 +696,8 @@ QVariant QPSQLResult::data(int i)
 #endif
     case QMetaType::QByteArray: {
         size_t len;
-        unsigned char *data = PQunescapeBytea((const unsigned char*)val, &len);
-        QByteArray ba(reinterpret_cast<const char *>(data), int(len));
+        unsigned char *data = PQunescapeBytea(reinterpret_cast<const unsigned char *>(val), &len);
+        QByteArray ba(reinterpret_cast<const char *>(data), len);
         qPQfreemem(data);
         return QVariant(ba);
     }