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Updates examples to retrieve transaction using FromContext #105

merged 1 commit into from Oct 14, 2019


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@kevburnsjr kevburnsjr commented Sep 25, 2019

FromContext is the newer method for accessing a transaction from within an http handler.

These examples use a mix of type casting and FromContext. This PR makes them consistent.

I propose that New Relic update all documentation and examples removing type casting in favor of FromContext to help prevent customers from experiencing issues related to the old type cast method.

Details regarding the type of problem type casting creates and why FromContext is strictly superior can be found in the following github issue for a piece of HTTP middleware that is incompatible with many newrelic integrations due to the widespread use of type casting for transaction retrieval: kevburnsjr/microcache#10

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@willnewrelic willnewrelic commented Sep 25, 2019

Hi @kevburnsjr

Thank you! We agree: FromContext is a better way to get the transaction.

This example code was written before Go 1.7. It is very old!

We appreciate your contribution. Expect to see this in the next release.

@willnewrelic willnewrelic merged commit 623ec66 into newrelic:master Oct 14, 2019
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@willnewrelic willnewrelic commented Oct 14, 2019

Hi @kevburnsjr

We just released version 2.14.0 with this change!

Thanks again for giving us this PR!

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@purple4reina purple4reina commented Oct 18, 2019

@kevburnsjr Thanks for finding those, they have been updated.

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3 participants