[Zope] parameter transfer to a zsql-method (lists, dictionaries etc.)

[Dieter Maurer]

Elena Schulz wrote at 2003-8-11 10:56 +0200:
 > >I think your parameter construction is wrong. You're telling Zope that a
 > list is a string, and furthermore, to iterate over a string, which won't
 > work.
 > 
 > In the ZSQLGuide I've got it says that ids:list:int indicates that ids is a
 > list of integers. So columns:list:string should mean that columns is a list
 > of strings. But even columns:list didn't work.
 > 
 > After further investigation I think the parameter-parsing of zsql-methods is
 > quite restricted and it's better to pass "complicated" structures via a
 > single dictionary. I'll try that. But still I would like to know how it
 > would work with lists and dtml_in constructs. Anyway some complete examples
 > including the parameter part would enhance the ZSQLGuide a lot.

At least in old time, the argument type casting of ZSQL Methods
was working only in special cases. I would not trust it.

When an argument has the correct type (i.e. a sequence), you can use "dtml_in"
in the normal way.


Dieter