From 8d125e74586fd7a91c0009fcdd27e390963b6522 Mon Sep 17 00:00:00 2001
From: Sam Gillingham <gillingham.sam@gmail.com>
Date: Tue, 20 Aug 2024 11:55:22 +1000
Subject: [PATCH] fix overview writing

---
 frmts/kea/keaoverview.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/frmts/kea/keaoverview.cpp b/frmts/kea/keaoverview.cpp
index 69184045e6cb..ff954f789b30 100644
--- a/frmts/kea/keaoverview.cpp
+++ b/frmts/kea/keaoverview.cpp
@@ -48,6 +48,9 @@ KEAOverview::KEAOverview(KEADataset *pDataset, int nSrcBand,
 
 KEAOverview::~KEAOverview()
 {
+    // according to the docs, this is required
+    // otherwise not all tiles will be written.
+    this->FlushCache();
 }
 
 // overridden implementation - calls readFromOverview instead