From b4243e9f78b7ffdd10f85c712df42d692bdf4248 Mon Sep 17 00:00:00 2001
From: Andy Pfister <andy.pfister@hey.com>
Date: Wed, 8 May 2024 22:11:02 +0200
Subject: [PATCH] Raise error if dbsqlsend fails

---
 CHANGELOG.md          | 1 +
 ext/tiny_tds/client.c | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b104671a..0c7e7ab5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 * Drop support for Ruby < 2.7
 * Drop support for SQL Server < 2017
 * Drop support for FreeTDS < 1.0
+* Raise error if FreeTDS is unable to sent command buffer to the server
 
 ## 2.1.7
 * Add Ruby 3.3 to the cross compile list
diff --git a/ext/tiny_tds/client.c b/ext/tiny_tds/client.c
index 11c15dd9..03a1b4b5 100644
--- a/ext/tiny_tds/client.c
+++ b/ext/tiny_tds/client.c
@@ -299,8 +299,7 @@ static VALUE rb_tinytds_execute(VALUE self, VALUE sql) {
   REQUIRE_OPEN_CLIENT(cwrap);
   dbcmd(cwrap->client, StringValueCStr(sql));
   if (dbsqlsend(cwrap->client) == FAIL) {
-    rb_warn("TinyTds: dbsqlsend() returned FAIL.\n");
-    return Qfalse;
+    rb_raise(cTinyTdsError, "failed dbsqlsend() function");
   }
   cwrap->userdata->dbsql_sent = 1;
   result = rb_tinytds_new_result_obj(cwrap);