Re: WIP: default values for function parameters

2008/11/24 Peter Eisentraut <peter_e@gmx.net>:
> Pavel Stehule wrote:
>>
>> I have problem with sending patch, so I am send link
>> http://www.pgsql.cz/patches/defaults.diff.gz
>>
>> Example:
>> postgres=# create function fx(a int, b int default 30, c int default 40)
>
> Could you explain why you store the default expressions in a new posexpr
> type rather than in an array of text (compare pg_attrdef.adbin)?
>
>

I would to implement named params - and there expressions, that are
used as default params, should not be continual. I don't store params
as array of text because I would to eliminate repeated expression's
parsing. So I use similar machanism used for rules or views.

Pavel