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Rename rule CURRENT to OLD in source tree. Add mapping for backward

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compatiblity with old rules.
This commit is contained in:
Bruce Momjian
2000-06-12 19:40:58 +00:00
parent 767e6d17b4
commit 332f0f5fc0
12 changed files with 94 additions and 91 deletions
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16
src/backend/rewrite/rewriteHandler.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.74 2000/05/30 00:49:51 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.75 2000/06/12 19:40:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -107,11 +107,11 @@ gatherRewriteMeta(Query *parsetree,
OffsetVarNodes((Node *) info->rule_action->targetList, rt_length, 0);
OffsetVarNodes(info->rule_qual, rt_length, 0);
ChangeVarNodes((Node *) info->rule_action->qual,
PRS2_CURRENT_VARNO + rt_length, rt_index, 0);
PRS2_OLD_VARNO + rt_length, rt_index, 0);
ChangeVarNodes((Node *) info->rule_action->targetList,
PRS2_CURRENT_VARNO + rt_length, rt_index, 0);
PRS2_OLD_VARNO + rt_length, rt_index, 0);
ChangeVarNodes(info->rule_qual,
PRS2_CURRENT_VARNO + rt_length, rt_index, 0);
PRS2_OLD_VARNO + rt_length, rt_index, 0);
/*
* bug here about replace CURRENT -- sort of replace current is
@ -125,7 +125,7 @@ gatherRewriteMeta(Query *parsetree,
result_reln = info->rule_action->resultRelation;
switch (result_reln)
{
case PRS2_CURRENT_VARNO:
case PRS2_OLD_VARNO:
new_result_reln = rt_index;
break;
case PRS2_NEW_VARNO: /* XXX */
@ -796,9 +796,9 @@ ApplyRetrieveRule(Query *parsetree,
OffsetVarNodes((Node *) rule_action, rt_length, 0);
ChangeVarNodes((Node *) rule_qual,
PRS2_CURRENT_VARNO + rt_length, rt_index, 0);
PRS2_OLD_VARNO + rt_length, rt_index, 0);
ChangeVarNodes((Node *) rule_action,
PRS2_CURRENT_VARNO + rt_length, rt_index, 0);
PRS2_OLD_VARNO + rt_length, rt_index, 0);
if (relation_level)
{
@ -1061,7 +1061,7 @@ CopyAndAddQual(Query *parsetree,
rtable = nconc(rtable, copyObject(rule_action->rtable));
new_tree->rtable = rtable;
OffsetVarNodes(new_qual, rt_length, 0);
ChangeVarNodes(new_qual, PRS2_CURRENT_VARNO + rt_length, rt_index, 0);
ChangeVarNodes(new_qual, PRS2_OLD_VARNO + rt_length, rt_index, 0);
}
/* XXX -- where current doesn't work for instead nothing.... yet */
AddNotQual(new_tree, new_qual);