From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Andreas(dot)Zeugswetter(at)telecom(dot)at (Zeugswetter Andreas DBT) |
Cc: | pgsql-hackers(at)hub(dot)org |
Subject: | Re: [HACKERS] Re: atttypmod of 0 |
Date: | 1998-02-05 17:57:21 |
Message-ID: | 199802051757.MAA06904@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
>
> This time it's during the parser (gdb told me). varcharin()
> is called with a atttypmod of 0 causing a palloc() of 0
> bytes. How should a VARCHAR type whithout a specified length
> behave? Is this type 1 character or a variable size up to
> 4096?
>
> I thought we fixed this on Feb 3. look at
> parse_expr.c line 104: it should read:
> if (con->typename != NULL)
> ! result = parser_typecast(val,
> con->typename, -1);
> else
>
> I think all funcs calling with atttypmod = 0 are allways wrong, should
> be -1.
> or a number > 0 (or 4 if atttypmod includes the VARHDRSZ don't know)
It does include the VARHDRSZ.
--
Bruce Momjian
maillist(at)candle(dot)pha(dot)pa(dot)us
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