From 341a8b8b5ce0e3794aeb43aba567821dd139f405 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Thu, 13 Jun 2024 11:05:09 +0300
Subject: [PATCH] =?UTF-8?q?mdbx++:=20=D0=B8=D1=81=D0=BF=D1=80=D0=B0=D0=B2?=
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 =?UTF-8?q?=D0=B5=D0=BD=D0=B8=D1=8F=20`key=5Fexists`=20(backport).?=
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Из-за совершенной при размножении кода ошибки, вместо отдельного
исключения `mdbx::key_exists` при ошибке `MDBX_KEYEXIST` вбрасывалось
исключении более общего/генерализированного типа `mdbx::exception`.
---
 src/mdbx.c++ | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mdbx.c++ b/src/mdbx.c++
index 9b09c05a..8b34a378 100644
--- a/src/mdbx.c++
+++ b/src/mdbx.c++
@@ -410,6 +410,7 @@ __cold void error::throw_exception() const {
     CASE_EXCEPTION(incompatible_operation, MDBX_INCOMPATIBLE);
     CASE_EXCEPTION(internal_page_full, MDBX_PAGE_FULL);
     CASE_EXCEPTION(internal_problem, MDBX_PROBLEM);
+    CASE_EXCEPTION(key_exists, MDBX_KEYEXIST);
     CASE_EXCEPTION(key_mismatch, MDBX_EKEYMISMATCH);
     CASE_EXCEPTION(max_maps_reached, MDBX_DBS_FULL);
     CASE_EXCEPTION(max_readers_reached, MDBX_READERS_FULL);