From d8e410e7708b9c42a0a09dc5aca4b9c6006273bb Mon Sep 17 00:00:00 2001
From: Zaiming Shi <zmstone@gmail.com>
Date: Sun, 11 Apr 2021 11:00:33 +0200
Subject: [PATCH] fix(emqx_rule_engine): missing calls

some calls are for enterprise only
---
 apps/emqx_rule_engine/src/emqx_rule_funcs.erl | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/apps/emqx_rule_engine/src/emqx_rule_funcs.erl b/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
index 7c939e93d..4d91b2fe1 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
@@ -853,6 +853,7 @@ time_unit(<<"nanosecond">>) -> nanosecond.
 %% Here the emqx_rule_funcs module acts as a proxy, forwarding
 %% the function handling to the worker module.
 %% @end
+-ifdef(EMQX_ENTERPRISE).
 '$handle_undefined_function'(schema_decode, [SchemaId, Data|MoreArgs]) ->
     emqx_schema_parser:decode(SchemaId, Data, MoreArgs);
 '$handle_undefined_function'(schema_decode, Args) ->
@@ -868,6 +869,13 @@ time_unit(<<"nanosecond">>) -> nanosecond.
 
 '$handle_undefined_function'(Fun, Args) ->
     error({sql_function_not_supported, function_literal(Fun, Args)}).
+-else.
+'$handle_undefined_function'(sprintf, [Format|Args]) ->
+    erlang:apply(fun sprintf_s/2, [Format, Args]);
+
+'$handle_undefined_function'(Fun, Args) ->
+    error({sql_function_not_supported, function_literal(Fun, Args)}).
+-endif. % EMQX_ENTERPRISE
 
 map_path(Key) ->
     {path, [{key, P} || P <- string:split(Key, ".", all)]}.