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Functions live in namespaces. Qualified function names work, eg

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SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.
This commit is contained in:
Tom Lane
2002-04-09 20:35:55 +00:00
parent c419c22414
commit f2d70d32eb
36 changed files with 655 additions and 661 deletions
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32
src/backend/nodes/list.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.39 2001/03/22 03:59:32 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.40 2002/04/09 20:35:50 tgl Exp $
*
* NOTES
* XXX a few of the following functions are duplicated to handle
@@ -233,6 +233,36 @@ length(List *l)
return i;
}
/*
* llast
*
* Get the last element of l ... error if empty list
*/
void *
llast(List *l)
{
if (l == NIL)
elog(ERROR, "llast: empty list");
while (lnext(l) != NIL)
l = lnext(l);
return lfirst(l);
}
/*
* llasti
*
* As above, but for integer lists
*/
int
llasti(List *l)
{
if (l == NIL)
elog(ERROR, "llasti: empty list");
while (lnext(l) != NIL)
l = lnext(l);
return lfirsti(l);
}
/*
* freeList
*