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means add a parallel "%Field_B_Resolver"

Why a parallel hash? Why not just preload one hash with both values:

$resolver{ {lc("$External_A|$External_B") } = [ Internal_A, Internal_B + ];

And retrieve they together.

Or if the table is large and space is tight:

$resolver{ {lc("$External_A|$External_B") } = "Internal_A Internal_B";

And split them for use.

But using a "two strings smacked together" key just seems wrong.

Again why? Composite keys are a perfectly natural solution used in all manner of DB/dataretreival mechanisms.

You could use nested hashes $resolver{ External_A }{ External_B}.

But if the code is working as is, I'd want a reason (beyond is "seeming wrong") before I'd change it.


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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In the absence of evidence, opinion is indistinguishable from prejudice.

The start of some sanity?


In reply to Re: A question of style: Composite keys to multiple values by BrowserUk
in thread A question of style: Composite keys to multiple values by Voronich

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