Fix the merge function of the mutate filter #166
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The dest_field_value was derived before the added fields were iterated upon. This caused the subsequent `event.set`'s, when iterating over multiple `added_field_value`'s, to set the `dest_field` based on the _initial_ `dest_field_value`. The logic should, instead, update the `dest_field_value` on each iteration of `added_field` so that it may continue to add to the `dest_field_value` instead of always only adding the last item in the list.
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Awesome, thanks much! Pls don't hesitate to LMK if further work/assistance is needed to get this resolved :) |
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The dest_field_value was derived before the added fields were iterated upon. This caused the subsequent
event.set's, when iterating over multipleadded_field_value's, to set thedest_fieldbased on the initialdest_field_value.The logic should, instead, update the
dest_field_valueon each iteration ofadded_fieldso that it may continue to add to thedest_field_valueinstead of always only adding the last item in the list.Thanks for contributing to Logstash! If you haven't already signed our CLA, here's a handy link: https://www.elastic.co/contributor-agreement/