Netdata not returning correct value for unknow variables (#6984)
* health_nan: fix result The expression evaluate was keeping the value zero when there was a wrong variable, but according our documentation the correct result would be NAN, this commit fixes this * health_nan: mapping * health_nan: Set variable After few tests, I am setting the NAN value to the variable in the correct place
thiagoftsm committed
Oct 21, 2019 at 11:59 UTC
23da557d13913e7dae3fdf4461309876b4b80581
1 file changed
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-1
libnetdata/eval/eval.c
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@@ -176,7 +176,7 @@ static inline calculated_number eval_variable(EVAL_EXPRESSION *exp, EVAL_VARIABL
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*error = EVAL_ERROR_UNKNOWN_VARIABLE;
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buffer_sprintf(exp->error_msg, "[ undefined variable '%s' ] ", v->name);
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- return 0;
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+ return NAN;
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}
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static inline calculated_number eval_value(EVAL_EXPRESSION *exp, EVAL_VALUE *v, int *error) {