From 309b795676add834eb683756fcf0d93e8d9d0c4b Mon Sep 17 00:00:00 2001
From: freemine <freemine@yeah.net>
Date: Fri, 30 Oct 2020 16:41:06 +0800
Subject: [PATCH] bugFix: sql error windows port

---
 src/connector/odbc/src/todbc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/connector/odbc/src/todbc.c b/src/connector/odbc/src/todbc.c
index 8c5edf19e2..5180247bd2 100644
--- a/src/connector/odbc/src/todbc.c
+++ b/src/connector/odbc/src/todbc.c
@@ -60,6 +60,7 @@ do {
   snprintf((char*)obj->err.sql_state, sizeof(obj->err.sql_state), "%s", sqlstate);                        \
 } while (0)
 
+
 #define CLR_ERROR(obj)                                                          \
 do {                                                                            \
   obj->err.err_no = TSDB_CODE_SUCCESS;                                          \
@@ -2275,7 +2276,11 @@ static SQLRETURN doSQLGetDiagField(SQLSMALLINT HandleType, SQLHANDLE Handle,
                                    SQLPOINTER DiagInfo, SQLSMALLINT BufferLength,
                                    SQLSMALLINT *StringLength)
 {
-  // if this function is not exported, isql will never call SQLGetDiagRec
+  switch (DiagIdentifier) {
+    case SQL_DIAG_CLASS_ORIGIN: {
+      *StringLength = 0;
+    } break;
+  }
   return SQL_SUCCESS;
 }
 
-- 
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