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First cut at full support for OUTER JOINs. There are still a few loose

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ends to clean up (see my message of same date to pghackers), but mostly
it works.  INITDB REQUIRED!
This commit is contained in:
Tom Lane
2000-09-12 21:07:18 +00:00
parent b5c0ab278b
commit ed5003c584
93 changed files with 6386 additions and 4262 deletions
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14
src/backend/commands/creatinh.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.63 2000/08/04 06:12:11 inoue Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.64 2000/09/12 21:06:47 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -259,7 +259,6 @@ change_varattnos_walker(Node *node, const AttrNumber *newattno)
{
Var *var = (Var *) node;
Assert(newattno != NULL);
if (var->varlevelsup == 0 && var->varno == 1)
{
/*
@ -270,18 +269,19 @@ change_varattnos_walker(Node *node, const AttrNumber *newattno)
*/
Assert(newattno[var->varattno - 1] > 0);
var->varattno = newattno[var->varattno - 1];
return true;
}
else
return false;
return false;
}
return expression_tree_walker(node, change_varattnos_walker, (void *)newattno);
return expression_tree_walker(node, change_varattnos_walker,
(void *) newattno);
}
static bool
change_varattnos_of_a_node(Node *node, const AttrNumber *newattno)
{
return expression_tree_walker(node, change_varattnos_walker, (void *)newattno);
return change_varattnos_walker(node, newattno);
}
/*
* MergeAttributes
* Returns new schema given initial schema and supers.