Re: array type name mangling

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От Andrew Dunstan
Тема Re: array type name mangling
Дата
Msg-id 463C9DDA.8040502@dunslane.net
обсуждение исходный текст
Ответ на array type name mangling  (Andrew Dunstan <andrew@dunslane.net>)
Ответы Re: array type name mangling  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers

I wrote:
>
> In connection with completing David Fetter's array of composites 
> patch, I am looking at doing some better name mangling for array types 
> as recently discussed. What I'm thinking of is prepending one or more 
> underscores to the type name up to some limit (NAMEDATALEN / 2 ?) and 
> if necessary truncating the result, and then looking to see if there 
> is a name clash. That would, I hope, enable us to get rid of all the 
> places where we require names to be no more than NAMEDATALEN - 2 
> chars. Does that seem like a reasonable approach? Will it break 
> anything, i.e., is there somewhere that has assumes the array type for 
> foo will be called _foo  rather than ___foo ?

Actually, looking back in the email history I see Tom suggested this, 
which I'll try instead:

> prepend _, truncate to less than 64 bytes if necessary,
> then substitute numbers at the end if needed to get something unique. 



cheers

andrew


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