6 files changed, 14 insertions, 8 deletions
diff --git a/src/plugins/sqldrivers/ibase/qsql_ibase.cpp b/src/plugins/sqldrivers/ibase/qsql_ibase.cpp
index 218cd75c69..d89051191c 100644
--- a/src/plugins/sqldrivers/ibase/qsql_ibase.cpp
+++ b/src/plugins/sqldrivers/ibase/qsql_ibase.cpp
@@ -388,7 +388,8 @@ public:
             return false;
 
         q->setLastError(QSqlError(QCoreApplication::translate("QIBaseResult", msg),
-                        imsg, typ, int(sqlcode)));
+                        imsg, typ,
+                        sqlcode != -1 ? QString::number(sqlcode) : QString()));
         return true;
     }
 
diff --git a/src/plugins/sqldrivers/mysql/qsql_mysql.cpp b/src/plugins/sqldrivers/mysql/qsql_mysql.cpp
index f84a0081df..696c8bc1d3 100644
--- a/src/plugins/sqldrivers/mysql/qsql_mysql.cpp
+++ b/src/plugins/sqldrivers/mysql/qsql_mysql.cpp
@@ -269,7 +269,7 @@ static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type,
     const char *cerr = p->mysql ? mysql_error(p->mysql) : 0;
     return QSqlError(QLatin1String("QMYSQL: ") + err,
                      p->tc ? toUnicode(p->tc, cerr) : QString::fromLatin1(cerr),
-                     type, mysql_errno(p->mysql));
+                     type, QString::number(mysql_errno(p->mysql)));
 }
 
 
@@ -349,7 +349,7 @@ static QSqlError qMakeStmtError(const QString& err, QSqlError::ErrorType type,
     const char *cerr = mysql_stmt_error(stmt);
     return QSqlError(QLatin1String("QMYSQL3: ") + err,
                      QString::fromLatin1(cerr),
-                     type, mysql_stmt_errno(stmt));
+                     type, QString::number(mysql_stmt_errno(stmt)));
 }
 
 static bool qIsBlob(int t)
diff --git a/src/plugins/sqldrivers/oci/qsql_oci.cpp b/src/plugins/sqldrivers/oci/qsql_oci.cpp
index 2d16c3d60c..272e1bc083 100644
--- a/src/plugins/sqldrivers/oci/qsql_oci.cpp
+++ b/src/plugins/sqldrivers/oci/qsql_oci.cpp
@@ -644,7 +644,8 @@ QSqlError qMakeError(const QString& errString, QSqlError::ErrorType type, OCIErr
 {
     int errorCode = 0;
     const QString oraErrorString = qOraWarn(err, &errorCode);
-    return QSqlError(errString, oraErrorString, type, errorCode);
+    return QSqlError(errString, oraErrorString, type,
+                     errorCode != -1 ? QString::number(errorCode) : QString());
 }
 
 QVariant::Type qDecodeOCIType(const QString& ocitype, QSql::NumericalPrecisionPolicy precisionPolicy)
diff --git a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
index 4a4183c7a3..547eb2043d 100644
--- a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
+++ b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
@@ -335,7 +335,8 @@ static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type, const
 {
     int nativeCode = -1;
     QString message = qODBCWarn(p, &nativeCode);
-    return QSqlError(QLatin1String("QODBC3: ") + err, message, type, nativeCode);
+    return QSqlError(QLatin1String("QODBC3: ") + err, message, type,
+                     nativeCode != -1 ? QString::number(nativeCode) : QString());
 }
 
 static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type,
@@ -343,7 +344,8 @@ static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type,
 {
     int nativeCode = -1;
     QString message = qODBCWarn(p, &nativeCode);
-    return QSqlError(QLatin1String("QODBC3: ") + err, qODBCWarn(p), type, nativeCode);
+    return QSqlError(QLatin1String("QODBC3: ") + err, qODBCWarn(p), type,
+                     nativeCode != -1 ? QString::number(nativeCode) : QString());
 }
 
 static QVariant::Type qDecodeODBCType(SQLSMALLINT sqltype, bool isSigned = true)
diff --git a/src/plugins/sqldrivers/sqlite2/qsql_sqlite2.cpp b/src/plugins/sqldrivers/sqlite2/qsql_sqlite2.cpp
index 9745c5ebc6..390f05c7aa 100644
--- a/src/plugins/sqldrivers/sqlite2/qsql_sqlite2.cpp
+++ b/src/plugins/sqldrivers/sqlite2/qsql_sqlite2.cpp
@@ -178,7 +178,8 @@ void QSQLite2ResultPrivate::finalize()
     if (err) {
         q->setLastError(QSqlError(QCoreApplication::translate("QSQLite2Result",
                                   "Unable to fetch results"), QString::fromLatin1(err),
-                                  QSqlError::StatementError, res));
+                                  QSqlError::StatementError,
+                                  res != -1 ? QString::number(res) : QString()));
         sqlite_freemem(err);
     }
     currentMachine = 0;
diff --git a/src/plugins/sqldrivers/tds/qsql_tds.cpp b/src/plugins/sqldrivers/tds/qsql_tds.cpp
index 5fc34da407..ad95b097ef 100644
--- a/src/plugins/sqldrivers/tds/qsql_tds.cpp
+++ b/src/plugins/sqldrivers/tds/qsql_tds.cpp
@@ -132,7 +132,8 @@ QT_BEGIN_NAMESPACE
 
 QSqlError qMakeError(const QString& err, QSqlError::ErrorType type, int errNo = -1)
 {
-    return QSqlError(QLatin1String("QTDS: ") + err, QString(), type, errNo);
+    return QSqlError(QLatin1String("QTDS: ") + err, QString(), type,
+                     errNo != -1 ? QString::number(errNo) : QString());
 }
 
 class QTDSDriverPrivate : public QSqlDriverPrivate