2 files changed, 16 insertions, 1 deletions
diff --git a/src/sql/kernel/qsqldriver.cpp b/src/sql/kernel/qsqldriver.cpp
index 8753352617..02371a209b 100644
--- a/src/sql/kernel/qsqldriver.cpp
+++ b/src/sql/kernel/qsqldriver.cpp
@@ -46,6 +46,8 @@
 #include "private/qobject_p.h"
 #include "private/qsqldriver_p.h"
 
+#include <limits.h>
+
 QT_BEGIN_NAMESPACE
 
 static QString prepareIdentifier(const QString &identifier,
@@ -829,4 +831,17 @@ bool QSqlDriver::cancelQuery()
     return false;
 }
 
+/*!
+    \since 6.0
+
+    Returns the maximum length for the identifier \a type according to the database settings. Returns
+    INT_MAX by default if the is no maximum for the database.
+*/
+
+int QSqlDriver::maximumIdentifierLength(QSqlDriver::IdentifierType type) const
+{
+    Q_UNUSED(type);
+    return INT_MAX;
+}
+
 QT_END_NAMESPACE
diff --git a/src/sql/kernel/qsqldriver.h b/src/sql/kernel/qsqldriver.h
index 31de63be15..361a11bec3 100644
--- a/src/sql/kernel/qsqldriver.h
+++ b/src/sql/kernel/qsqldriver.h
@@ -130,7 +130,7 @@ public:
     QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
 
     DbmsType dbmsType() const;
-
+    virtual int maximumIdentifierLength(IdentifierType type) const;
 public Q_SLOTS:
     virtual bool cancelQuery();