From 52723ec09a03859e4e77f7a7465e809e18aa2edf Mon Sep 17 00:00:00 2001
From: Oleg Smirnov <olernov@gmail.com>
Date: Mon, 28 Oct 2024 18:48:55 +0700
Subject: [PATCH] MDEV-34880 Incorrect result for query with derived table
 having TEXT field

Fixup: check key flags only in the case of successful index initialization
---
 sql/handler.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sql/handler.cc b/sql/handler.cc
index cf639884637..38e0ea4fbf7 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -3749,11 +3749,11 @@ int handler::ha_index_init(uint idx, bool sorted)
     inited=       INDEX;
     active_index= idx;
     end_range= NULL;
+    /*
+      Do not allow reads from UNIQUE HASH indexes.
+    */
+    DBUG_ASSERT(!(table->key_info[active_index].flags & HA_UNIQUE_HASH));
   }
-  /*
-    Do not allow reads from UNIQUE HASH indexes.
-  */
-  DBUG_ASSERT(!(table->key_info[active_index].flags & HA_UNIQUE_HASH));
 
   DBUG_RETURN(result);
 }