From e574cda7fc3f6be5a81489d8d9cdb859625d4e88 Mon Sep 17 00:00:00 2001
From: Thierry Bastian <thierryb@filewave.com>
Date: Mon, 27 Jan 2025 08:25:55 +0100
Subject: [PATCH] SQL/PSQL: slight improvement in code

added a details about code paths that cannot happen and added constexpr

Fixes: QTBUG-132303
Pick-to: 6.9
Change-Id: I98340c5a1f275c00aafb3294cf8e5e8368126b76
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
---
 src/plugins/sqldrivers/psql/qsql_psql.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/plugins/sqldrivers/psql/qsql_psql.cpp b/src/plugins/sqldrivers/psql/qsql_psql.cpp
index 27e79cf3093..14643b6c088 100644
--- a/src/plugins/sqldrivers/psql/qsql_psql.cpp
+++ b/src/plugins/sqldrivers/psql/qsql_psql.cpp
@@ -1462,7 +1462,10 @@ QSqlRecord QPSQLDriver::record(const QString &tablename) const
 template <bool forPreparedStatement>
 inline QString autoQuoteResult(QAnyStringView str)
 {
-    return forPreparedStatement ? str.toString() : (u'\'' + str.toString() + u'\'');
+    if constexpr (forPreparedStatement)
+        return str.toString();
+    else
+        return u'\'' + str.toString() + u'\'';
 }
 
 template <bool forPreparedStatement, class FloatType>
@@ -1512,8 +1515,8 @@ QString QPSQLDriver::formatValue(const QSqlField &field, bool trimStrings) const
             break;
         }
         case QMetaType::QString:
-            if (forPreparedStatement) {
-                r = field.value().toString();
+            if constexpr (forPreparedStatement) {
+                r = field.value().toString(); // there is no code path where trimStrings can be true here
             } else {
                 r = QSqlDriver::formatValue(field, trimStrings);
                 if (d->hasBackslashEscape)