PostgreSQL: fix datetime format when system locale doesn't use arabic numerals

psql driver was previously using QDateTime::toString() function which is locale-depndent.

Task-number: QTBUG-59524
Change-Id: I7f50f95b5c82e66476abfee24ad28b78b3257041
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit ac74abdf50f7047cf43b3577a70d0995e197659d)
Reviewed-by: Julien Blanc <julien.blanc@nmc-company.fr>
Reviewed-by: Andy Shaw <andy.shaw@qt.io>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/sql/drivers/psql/qsql_psql.cpp b/src/sql/drivers/psql/qsql_psql.cpp
index 4f36e0b513..5f8c85d8aa 100644
--- a/src/sql/drivers/psql/qsql_psql.cpp
+++ b/src/sql/drivers/psql/qsql_psql.cpp
@@ -45,6 +45,7 @@
 #include <qsocketnotifier.h>
 #include <qstringlist.h>
 #include <qmutex.h>
+#include <qlocale.h>
 #include <QtSql/private/qsqlresult_p.h>
 #include <QtSql/private/qsqldriver_p.h>
 
@@ -1280,7 +1281,9 @@ QString QPSQLDriver::formatValue(const QSqlField &field, bool trimStrings) const
                 // we force the value to be considered with a timezone information, and we force it to be UTC
                 // this is safe since postgresql stores only the UTC value and not the timezone offset (only used
                 // while parsing), so we have correct behavior in both case of with timezone and without tz
-                r = QLatin1String("TIMESTAMP WITH TIME ZONE ") + QLatin1Char('\'') + field.value().toDateTime().toUTC().toString(QLatin1String("yyyy-MM-ddThh:mm:ss.zzz")) + QLatin1Char('Z') + QLatin1Char('\'');
+                r = QLatin1String("TIMESTAMP WITH TIME ZONE ") + QLatin1Char('\'') +
+                        QLocale::c().toString(field.value().toDateTime().toUTC(), QLatin1String("yyyy-MM-ddThh:mm:ss.zzz")) +
+                        QLatin1Char('Z') + QLatin1Char('\'');
             } else {
                 r = QLatin1String("NULL");
             }