diff --git a/pglab/IndexModel.cpp b/pglab/IndexModel.cpp
index 20343b4..968358a 100644
--- a/pglab/IndexModel.cpp
+++ b/pglab/IndexModel.cpp
@@ -6,14 +6,22 @@
 #include "CustomDataRole.h"
 
 void IndexModel::setData(std::shared_ptr<const PgDatabaseCatalog> cat, const std::optional<PgClass> &table)
+{
+	if (cat != m_catalog) {
+		m_catalog = cat;
+		refreshConnection = connect(m_catalog.get(), &PgDatabaseCatalog::refreshed, this, &IndexModel::refresh);
+	}
+	m_table = table;
+	refresh();
+}
+
+void IndexModel::refresh()
 {
 	beginResetModel();
 	SCOPE_EXIT { endResetModel(); };
 
-	m_catalog = cat;
-	m_table = table;
-	if (table)
-		m_indexes = cat->indexes()->getIndexesForTable(table->oid());
+	if (m_table)
+		m_indexes = m_catalog->indexes()->getIndexesForTable(m_table->oid());
 	else
 		m_indexes.clear();
 }
diff --git a/pglab/IndexModel.h b/pglab/IndexModel.h
index c238635..677240f 100644
--- a/pglab/IndexModel.h
+++ b/pglab/IndexModel.h
@@ -57,6 +57,10 @@ private:
 
 	using t_Indexes = std::vector<PgIndex>;
 	t_Indexes m_indexes;
+	QMetaObject::Connection refreshConnection;
+
+private slots:
+	void refresh();
 };
 
 #endif // INDEXMODEL_H
diff --git a/pglab/widgets/CatalogIndexPage.cpp b/pglab/widgets/CatalogIndexPage.cpp
index 25cafec..af5e9f3 100644
--- a/pglab/widgets/CatalogIndexPage.cpp
+++ b/pglab/widgets/CatalogIndexPage.cpp
@@ -16,6 +16,7 @@ CatalogIndexPage::CatalogIndexPage(QWidget *parent)
 
 	connect(m_tableView->selectionModel(), &QItemSelectionModel::selectionChanged,
 			this, &CatalogIndexPage::tableView_selectionChanged);
+	connect(m_indexModel, &IndexModel::modelReset, m_definitionView, &SqlCodePreview::clear);
 }
 
 void CatalogIndexPage::catalogSet()
@@ -26,7 +27,6 @@ void CatalogIndexPage::setFilter(const std::optional<PgClass> &cls)
 {
 	m_indexModel->setData(m_catalog, cls);
 	m_tableView->resizeColumnsToContents();
-	m_definitionView->setPlainText({});
 }
 
 void CatalogIndexPage::tableView_selectionChanged(const QItemSelection &/*selected*/, const QItemSelection &/*deselected*/)