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Vladyslav's avatar
Vladyslav
New Contributor
4 years ago

Issue (or bug) with mapper snap

Hello, I have found something like bug. I cannot understand the strange result of the following pipeline. When I run validation of this pipeline, I see following results. As expected count...
del's avatar
del
Contributor III
4 years ago
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@Vladyslav, I agree, this appears to be a bug. The $input0.count value type doesn’t appear to be comparable type to 0. I suggest you open a ticket to support.

In the meantime, I think I found this expression to work for your case:
$input0.count.toString() == "0" ? "File Not Found" : "File exists"

Another hack is to place a JSON Formatter + JSON Parser between the Gate and Mapper. That seems to correct the expected type.

ptaylor's avatar
ptaylor
Employee
4 years ago
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Yes, I can confirm that this is a bug in the Gate snap. The type of the count is actually AtomicInteger, and this isn’t comparable in the normal way with “== 0” in the expression language. The Gate snap should be fixed so that the count is the usual type for integers (BigInteger).

I’ll second Del’s workaround for the mapper expression.

I’ll take care of tracking and fixing this bug.