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Inheritance overhaul by Chris Bitmead <chris@bitmead.com>

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This commit is contained in:
Bruce Momjian
2000-06-09 01:44:34 +00:00
parent fb070464c1
commit 8c1d09d591
32 changed files with 484 additions and 204 deletions
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17
src/backend/nodes/list.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.31 2000/04/12 17:15:16 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.32 2000/06/09 01:44:12 momjian Exp $
*
* NOTES
* XXX a few of the following functions are duplicated to handle
@ -522,6 +522,21 @@ set_differencei(List *l1, List *l2)
return result;
}
/*
* Reverse a list, non-destructively
*/
List *
lreverse(List *l)
{
List *result = NIL;
List *i;
foreach(i, l)
{
result = lcons(lfirst(i), result);
}
return result;
}
/*
* Return t if two integer lists have no members in common.
*/