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generics model support #2003

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generics model support

@elliotcourant elliotcourant self-requested a review April 29, 2024 14:02
Comment on lines +98 to +105
name := t.Type.Name()
index := strings.Index(name, "[")
if index > 0 {
name = name[:index]
}
t.zeroStruct = reflect.New(t.Type).Elem()
t.TypeName = internal.ToExported(t.Type.Name())
t.ModelName = internal.Underscore(t.Type.Name())
t.TypeName = internal.ToExported(name)
t.ModelName = internal.Underscore(name)
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@elliotcourant elliotcourant Jul 2, 2024

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Wouldn't an easier way to do this be to just define the name directly on the thing?

Like this:

type File struct {
	tableName string `pg:"files"`

	...

This way even if its a generic, the table name stays the same? With how you have it written, you're throwing out the generic argument entirely, so it would never be considered for the table name.

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@cubatic45 cubatic45 Jul 3, 2024

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Directly defining the name works in some models without nested structure, but in some cases, it does not work.

Sometimes, we forget to use an alias.
example: https://go.dev/play/p/VJpB_c3cLkt

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Oh interesting, that is definitely a bug in my eyes then, the way table names are built should be consistent. Let me mess around a bit here.

Thank you very much for the code reproduction!

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I see now what is happening, the way we generate the alias is different than how we derive the actual table name. Thus why it is only affecting select queries oddly.

I think there is a more elegant solution to this, but let me mess around some more.

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Have you found a better solution?

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