创建函数：

create function insert_page(text,char,

char,text,

text,real,timestamp,int) returns bool as '

declare

url alias for $1;

touurl alias for $27;

i int;

urll text;

begin

i :=0;

urll := url;

while i < $28 loop

urll := touurl || i || urll;

insert into page_t

values(urll,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,

$12,$13,$14,$15,$16,$17,$18,$19,$20,$21,$22,$23,$24,$25,$26);

urll := url;

i := i + 1;

end loop;

if i < $28 then

return false;

else

return true;

end if;

end;

drop function insert_page(text,int);