Looking for confirmation that the JVM argument to ...
# adobeb
bockensm
04/19/2022, 5:39 PMLooking for confirmation that the JVM argument to not mutate the original query when using
queryFilterbockensm
04/19/2022, 5:40 PMThe arg in question is
coldfusion.query.filter.mutateinputquerym
Mark Takata (Adobe)
04/19/2022, 5:44 PMhttps://helpx.adobe.com/coldfusion/cfml-reference/coldfusion-functions/functions-m-r/queryfilter.html
In cf2021, QueryFilter by default should not mutate the original query. However, if you want it to, the mutateinputquery flag was added. It did not exist in 2018 nor 2016.
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bockensm
04/19/2022, 5:47 PMI expected it was a 2021 flag and older installs were out of luck based on the wording there
bockensm
04/19/2022, 5:48 PMno sweat, just need to set expectations with our devs.
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m
Mark Takata (Adobe)
04/19/2022, 5:51 PMAh gotcha, yeah the flag was not backported to 2018 or 2016. Sorry bout that...
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bdw429s
04/19/2022, 6:12 PM@Mark Takata (Adobe) Ruby has a convention for all it's member functions that controls whether they mutate the original object or not.
bdw429s
04/19/2022, 6:13 PMThat feels a lot cleaner than a handful of JVM args
bdw429s
04/19/2022, 6:16 PMThe main issue would be the fact that some member functions in CFML mutate the original while others don't so a clean convention across the board isn't really possible now :/
bdw429s
04/19/2022, 6:16 PMIn Ruby, from my understanding it's more like
Copy code
// leave obj untouched
obj.memberFunction()
// mutate obj
obj.memberFunction!()a
aliaspooryorik
04/20/2022, 8:20 AM
It still boggles my mind that the original implementation did mutate the query - which is inconsistent with arrayFilter - I assume it was deliberate though!
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bdw429s
04/20/2022, 4:05 PMYeah, CF is a bit of a mess with the consistency there. I think early on, a lot of the member functions were specifically mutators like
array.append()bdw429s
04/20/2022, 4:05 PMBut it defo causes confusion. I was just helping a client trying to use member functions and they were getting bit by this exact thing where some of their functions mutated the original data structure and others didn't and it wasn't clear just by reading the code what they should expect!
a
aliaspooryorik
04/20/2022, 4:06 PM
I think it's pretty clear, if it's a Tuesday and raining, it mutates, else it doesn't. What's hard about that?
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