From 4b3c6f8330f2cba989f53d0b528a6963b82234cb Mon Sep 17 00:00:00 2001
From: firest <enlanubo@gmail.com>
Date: Wed, 13 Mar 2024 11:28:07 +0800
Subject: [PATCH] fix(iotdb): Fix function_clause when the convert value is
 null

---
 apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_connector.erl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_connector.erl b/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_connector.erl
index 58fd66fe1..612b5e10b 100644
--- a/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_connector.erl
+++ b/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_connector.erl
@@ -544,6 +544,8 @@ convert_int(Str) when is_binary(Str) ->
         _:_ ->
             convert_int(binary_to_float(Str))
     end;
+convert_int(null) ->
+    null;
 convert_int(undefined) ->
     null.
 
@@ -556,6 +558,8 @@ convert_float(Str) when is_binary(Str) ->
         _:_ ->
             convert_float(binary_to_integer(Str))
     end;
+convert_float(null) ->
+    null;
 convert_float(undefined) ->
     null.