From 57672f6d8389635ff4a7e55853da501816d2ad37 Mon Sep 17 00:00:00 2001
From: Vladislav Tronko <innermous@gmail.com>
Date: Mon, 15 Aug 2016 10:32:03 +0300
Subject: [PATCH] Cut off redundant expensive constructions

---
 src/MainWindow.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index c97414fc..ddfdaabb 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -366,6 +366,9 @@ void MainWindow::populateTable(QString tablename)
     // Remove the model-view link if the table name is empty in order to remove any data from the view
     if(ui->comboBrowseTable->model()->rowCount() == 0 && tablename.isEmpty())
     {
+        if (!ui->dataTable->model())
+            return;
+
         ui->dataTable->setModel(0);
         if(qobject_cast<FilterTableHeader*>(ui->dataTable->horizontalHeader()))
             qobject_cast<FilterTableHeader*>(ui->dataTable->horizontalHeader())->generateFilters(0);