Fix "zero as null pointer constant" warning

qsqlrelationaldelegate.h:60:52: error: zero as null pointer constant [-Werror=zero-as-null-pointer-constant]
     explicit QSqlRelationalDelegate(QObject *aParent = 0)
qsqlrelationaldelegate.h:72:87: error: zero as null pointer constant [-Werror=zero-as-null-pointer-constant]
     QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : 0;
qsqlrelationaldelegate.h:93:87: error: zero as null pointer constant [-Werror=zero-as-null-pointer-constant]
     QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : 0;

Change-Id: I6e7de3cccf705b74018f522165886104194bf9be
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/sql/models/qsqlrelationaldelegate.h b/src/sql/models/qsqlrelationaldelegate.h
index f295de7396..32c994363e 100644
--- a/src/sql/models/qsqlrelationaldelegate.h
+++ b/src/sql/models/qsqlrelationaldelegate.h
@@ -56,7 +56,7 @@ class QSqlRelationalDelegate: public QItemDelegate
 {
 public:
 
-explicit QSqlRelationalDelegate(QObject *aParent = 0)
+explicit QSqlRelationalDelegate(QObject *aParent = nullptr)
     : QItemDelegate(aParent)
 {}
 
@@ -68,7 +68,7 @@ QWidget *createEditor(QWidget *aParent,
                       const QModelIndex &index) const override
 {
     const QSqlRelationalTableModel *sqlModel = qobject_cast<const QSqlRelationalTableModel *>(index.model());
-    QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : 0;
+    QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : nullptr;
     if (!childModel)
         return QItemDelegate::createEditor(aParent, option, index);
 
@@ -86,7 +86,7 @@ void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex
         return;
 
     QSqlRelationalTableModel *sqlModel = qobject_cast<QSqlRelationalTableModel *>(model);
-    QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : 0;
+    QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : nullptr;
     QComboBox *combo = qobject_cast<QComboBox *>(editor);
     if (!sqlModel || !childModel || !combo) {
         QItemDelegate::setModelData(editor, model, index);