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fix(rule_func): refine num funcs error info type unsupported

This commit is contained in:
JimMoen 2022-09-29 16:21:40 +08:00
parent 0a5a0867e4
commit 32376c7cf9
1 changed files with 20 additions and 8 deletions
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28
apps/emqx_rule_engine/src/emqx_rule_funcs.erl
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@ -332,34 +332,46 @@ null() ->
%% Arithmetic Funcs
%%------------------------------------------------------------------------------
-define(OPERATOR_TYPE_ERROR, unsupported_function_operator_type).
%% plus 2 numbers
'+'(X, Y) when is_number(X), is_number(Y) ->
X + Y;
%% concat 2 strings
'+'(X, Y) when is_binary(X), is_binary(Y) ->
concat(X, Y);
%% unsupported type implicit conversion
'+'(X, Y)
when (is_number(X) andalso is_binary(Y)) orelse
(is_binary(X) andalso is_number(Y)) ->
error(unsupported_type_implicit_conversion).
error(unsupported_type_implicit_conversion);
'+'(_, _) ->
error(?OPERATOR_TYPE_ERROR).
'-'(X, Y) when is_number(X), is_number(Y) ->
X - Y.
X - Y;
'-'(_, _) ->
error(?OPERATOR_TYPE_ERROR).
'*'(X, Y) when is_number(X), is_number(Y) ->
X * Y.
X * Y;
'*'(_, _) ->
error(?OPERATOR_TYPE_ERROR).
'/'(X, Y) when is_number(X), is_number(Y) ->
X / Y.
X / Y;
'/'(_, _) ->
error(?OPERATOR_TYPE_ERROR).
'div'(X, Y) when is_integer(X), is_integer(Y) ->
X div Y.
X div Y;
'div'(_, _) ->
error(?OPERATOR_TYPE_ERROR).
mod(X, Y) when is_integer(X), is_integer(Y) ->
X rem Y.
X rem Y;
mod(_, _) ->
error(?OPERATOR_TYPE_ERROR).
eq(X, Y) ->
X == Y.