2008/11/24 Tom Lane <[EMAIL PROTECTED]>: > "Pavel Stehule" <[EMAIL PROTECTED]> writes: >> 2008/11/24 Peter Eisentraut <[EMAIL PROTECTED]>: >>> 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. > > Say again? The representation Peter is suggesting *is* what is used > in rules and views. If you've re-invented that wheel, undo it. >
Then I am blind. I store serialised transformed expression, but if better solution exists, then I'll use it. regards Pavel Stehule > regards, tom lane > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
