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WIP: Adds warning on comparing same FirstNameNode #2312

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jas-valgotar
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@jas-valgotar jas-valgotar commented Apr 9, 2024

This pull request introduces a warning when comparing two identical FirstNameNode instances, which could be either global or scoped variables.
This enhancement is particularly beneficial in scenarios involving scoped variables, where it's easy to misunderstand the concept of implicit ThisRecord.

It's important to note that this change is non-breaking, as it only adds a warning without generating an error.

@LucGenetier
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✅ No public API change.

return false;
}

private static bool IsNoOPFirstNameComparison(TexlNode left, TexlNode right)
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@MikeStall MikeStall Apr 9, 2024

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IsNoOPFirstNameComparison

this is key change... #Resolved

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NOTE: I will check the impact of the change with the PowerApps using a private build.

MikeStall
MikeStall previously approved these changes Apr 9, 2024
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:shipit:

// Helps warn no op comparison, e.g. Filter(table, ThisRecord.Value = Value)) or Filter(table, Value = Value)
if (IsNoOPFirstNameComparison(node))
{
_txb.ErrorContainer.EnsureError(DocumentErrorSeverity.Severe, node, TexlStrings.WrnNoOpFieldComparison);
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Shouldn't it be a warning instead of DocumentErrorSeverity.Severe?

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You are absolutely right! Thanks for catching it...

@jas-valgotar jas-valgotar changed the title Adds warning on comparing same FirstNameNode WIP: Adds warning on comparing same FirstNameNode Apr 11, 2024
@LucGenetier
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✅ No public API change.

@LucGenetier
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✅ No public API change.

@@ -4575,4 +4575,8 @@
<value>Delegation warning. The result of this argument '{0}' may be truncated for large data sets before being passed to the '{1}' function.</value>
<comment>Error message when an argument to non-delegable function has possible delegation and resulting rows may be truncated</comment>
</data>
<data name="WrnNoOpFieldComparison" xml:space="preserve">
<value>This comparison will always be constant. (Always yields true or false). Please consider using 'As' keyword for aliasing scoped variable if this not what you want.</value>
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aliasing isn't a super low-code friendly term. run this by a PM or content person?

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5 participants