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-rw-r--r--src/backend/executor/execQual.c10
-rw-r--r--src/backend/executor/nodeAgg.c16
-rw-r--r--src/backend/optimizer/plan/planner.c131
-rw-r--r--src/backend/optimizer/plan/setrefs.c3
-rw-r--r--src/backend/parser/analyze.c6
-rw-r--r--src/backend/parser/gram.c4
-rw-r--r--src/backend/parser/gram.y4
-rw-r--r--src/backend/parser/parse_agg.c4
-rw-r--r--src/backend/rewrite/rewriteHandler.c11
9 files changed, 173 insertions, 16 deletions
diff --git a/src/backend/executor/execQual.c b/src/backend/executor/execQual.c
index 55a12bd8317..f1ff8bbbb4c 100644
--- a/src/backend/executor/execQual.c
+++ b/src/backend/executor/execQual.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.26 1998/02/26 04:31:13 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.27 1998/03/30 16:35:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -203,8 +203,7 @@ ExecEvalArrayRef(ArrayRef *arrayRef,
static Datum
ExecEvalAggreg(Aggreg *agg, ExprContext *econtext, bool *isNull)
{
-
- *isNull = econtext->ecxt_nulls[agg->aggno];
+ *isNull = econtext->ecxt_nulls[agg->aggno];
return econtext->ecxt_values[agg->aggno];
}
@@ -648,6 +647,8 @@ ExecEvalFuncArgs(FunctionCachePtr fcache,
econtext,
&argIsNull,
argIsDone);
+
+
if (!(*argIsDone))
{
Assert(i == 0);
@@ -1356,8 +1357,11 @@ ExecQual(List *qual, ExprContext *econtext)
* ----------------
*/
result = false;
+
foreach(clause, qual)
{
+
+
result = ExecQualClause((Node *) lfirst(clause), econtext);
if (result == true)
break;
diff --git a/src/backend/executor/nodeAgg.c b/src/backend/executor/nodeAgg.c
index 848bd616bf0..c2b77c6e050 100644
--- a/src/backend/executor/nodeAgg.c
+++ b/src/backend/executor/nodeAgg.c
@@ -29,6 +29,7 @@
#include "storage/bufmgr.h"
#include "utils/palloc.h"
#include "utils/syscache.h"
+#include "optimizer/clauses.h"
/*
* AggFuncInfo -
@@ -109,10 +110,16 @@ ExecAgg(Agg *node)
isNull1 = FALSE,
isNull2 = FALSE;
+
+ /***S*H***/
+ do {
+
+
/* ---------------------
* get state info from node
* ---------------------
*/
+
aggstate = node->aggstate;
if (aggstate->agg_done)
return NULL;
@@ -229,6 +236,7 @@ ExecAgg(Agg *node)
}
}
}
+
/* ----------------
* for each tuple from the the outer plan, apply all the aggregates
@@ -477,11 +485,19 @@ ExecAgg(Agg *node)
* slot and return it.
* ----------------
*/
+
+ /***S*H***/
+ }
+ while((ExecQual(fix_opids(node->plan.qual),econtext)!=true) &&
+ (node->plan.qual!=NULL));
+
+
ExecStoreTuple(oneTuple,
aggstate->csstate.css_ScanTupleSlot,
InvalidBuffer,
false);
econtext->ecxt_scantuple = aggstate->csstate.css_ScanTupleSlot;
+
resultSlot = ExecProject(projInfo, &isDone);
if (oneTuple)
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index 824c0d29b35..35c19d6c44f 100644
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.23 1998/02/26 04:32:51 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.24 1998/03/30 16:36:04 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -59,6 +59,115 @@ make_groupPlan(List **tlist, bool tuplePerGroup,
*
*****************************************************************************/
+
+/***S*H***/ /* Anfang */
+
+static List *
+check_having_qual_for_aggs(Node *clause, List *subplanTargetList)
+{
+ List *t;
+ List *agg_list = NIL;
+
+ if (IsA(clause, Var))
+ {
+ TargetEntry *subplanVar;
+
+ /*
+ * Ha! A Var node!
+ */
+ subplanVar = match_varid((Var *) clause, subplanTargetList);
+
+ /*
+ * Change the varno & varattno fields of the var node.
+ *
+ */
+ ((Var *) clause)->varattno = subplanVar->resdom->resno;
+ return NIL;
+ }
+ /***S*H***/
+ else if (is_funcclause(clause) || not_clause(clause) ||
+ or_clause(clause) || and_clause(clause))
+ {
+
+ /*
+ * This is a function. Recursively call this routine for its
+ * arguments...
+ */
+ foreach(t, ((Expr *) clause)->args)
+ {
+ agg_list = nconc(agg_list,
+ check_having_qual_for_aggs(lfirst(t), subplanTargetList));
+ }
+ return agg_list;
+ }
+ else if (IsA(clause, Aggreg))
+ {
+ return lcons(clause,
+ check_having_qual_for_aggs(((Aggreg *) clause)->target, subplanTargetList));
+
+ }
+ else if (IsA(clause, ArrayRef))
+ {
+ ArrayRef *aref = (ArrayRef *) clause;
+
+ /*
+ * This is an arrayref. Recursively call this routine for its
+ * expression and its index expression...
+ */
+ foreach(t, aref->refupperindexpr)
+ {
+ agg_list = nconc(agg_list,
+ check_having_qual_for_aggs(lfirst(t), subplanTargetList));
+ }
+ foreach(t, aref->reflowerindexpr)
+ {
+ agg_list = nconc(agg_list,
+ check_having_qual_for_aggs(lfirst(t), subplanTargetList));
+ }
+ agg_list = nconc(agg_list,
+ check_having_qual_for_aggs(aref->refexpr, subplanTargetList));
+ agg_list = nconc(agg_list,
+ check_having_qual_for_aggs(aref->refassgnexpr, subplanTargetList));
+
+ return agg_list;
+ }
+ else if (is_opclause(clause))
+ {
+
+ /*
+ * This is an operator. Recursively call this routine for both its
+ * left and right operands
+ */
+ Node *left = (Node *) get_leftop((Expr *) clause);
+ Node *right = (Node *) get_rightop((Expr *) clause);
+
+ if (left != (Node *) NULL)
+ agg_list = nconc(agg_list,
+ check_having_qual_for_aggs(left, subplanTargetList));
+ if (right != (Node *) NULL)
+ agg_list = nconc(agg_list,
+ check_having_qual_for_aggs(right, subplanTargetList));
+
+ return agg_list;
+ }
+ else if (IsA(clause, Param) ||IsA(clause, Const))
+ {
+ /* do nothing! */
+ return NIL;
+ }
+ else
+ {
+
+ /*
+ * Ooops! we can not handle that!
+ */
+ elog(ERROR, "check_having_qual_for_aggs: Can not handle this having_qual!\n");
+ return NIL;
+ }
+}
+/***S*H***/ /* Ende */
+
+
Plan *
planner(Query *parse)
{
@@ -181,7 +290,22 @@ union_planner(Query *parse)
* the result tuple of the subplans.
*/
((Agg *) result_plan)->aggs =
- set_agg_tlist_references((Agg *) result_plan);
+ set_agg_tlist_references((Agg *) result_plan);
+
+ /***S*H***/
+ if(parse->havingQual!=NULL) {
+ List *clause;
+
+ /***S*H***/ /* set qpqual of having clause */
+ ((Agg *) result_plan)->plan.qual=cnfify((Expr *)parse->havingQual,true);
+
+ foreach(clause, ((Agg *) result_plan)->plan.qual)
+ {
+ ((Agg *) result_plan)->aggs = nconc(((Agg *) result_plan)->aggs,
+ check_having_qual_for_aggs((Node *) lfirst(clause),
+ ((Agg *) result_plan)->plan.lefttree->targetlist));
+ }
+ }
}
/*
@@ -429,3 +553,6 @@ pg_checkretval(Oid rettype, QueryTreeList *queryTreeList)
/* success */
return;
}
+
+
+
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index c82a711637b..de4bbf95198 100644
--- a/src/backend/optimizer/plan/setrefs.c
+++ b/src/backend/optimizer/plan/setrefs.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.19 1998/02/26 04:32:53 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.20 1998/03/30 16:36:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -839,6 +839,7 @@ replace_agg_clause(Node *clause, List *subplanTargetList)
}
}
+
/*
* del_agg_tlist_references
* Remove the Agg nodes from the target list
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c
index 64ec5fa37d9..6dfdd8c26fe 100644
--- a/src/backend/parser/analyze.c
+++ b/src/backend/parser/analyze.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.71 1998/02/26 04:33:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.72 1998/03/30 16:36:23 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -781,6 +781,10 @@ transformSelectStmt(ParseState *pstate, SelectStmt *stmt)
qry->targetList = transformTargetList(pstate, stmt->targetList);
qry->qual = transformWhereClause(pstate, stmt->whereClause);
+
+ /***S*H***/
+ qry->havingQual = transformWhereClause(pstate, stmt->havingClause);
+
qry->hasSubLinks = pstate->p_hasSubLinks;
qry->sortClause = transformSortClause(pstate,
diff --git a/src/backend/parser/gram.c b/src/backend/parser/gram.c
index 9c4cca1a40f..298852387dd 100644
--- a/src/backend/parser/gram.c
+++ b/src/backend/parser/gram.c
@@ -216,7 +216,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/Attic/gram.c,v 2.4 1998/03/18 16:50:15 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/Attic/gram.c,v 2.5 1998/03/30 16:36:32 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -6700,7 +6700,7 @@ case 463:
case 464:
#line 2529 "gram.y"
{
- elog(NOTICE, "HAVING not yet supported; ignore clause");
+ /***S*H***/ /* elog(NOTICE, "HAVING not yet supported; ignore clause");*/
yyval.node = yyvsp[0].node;
;
break;}
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index e9808c91027..71812de58b4 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.7 1998/03/18 16:50:19 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.8 1998/03/30 16:36:35 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -2527,7 +2527,7 @@ groupby: ColId
having_clause: HAVING a_expr
{
- elog(NOTICE, "HAVING not yet supported; ignore clause");
+ /***S*H***/ /* elog(NOTICE, "HAVING not yet supported; ignore clause");*/
$$ = $2;
}
| /*EMPTY*/ { $$ = NULL; }
diff --git a/src/backend/parser/parse_agg.c b/src/backend/parser/parse_agg.c
index e7a88101960..083d4ee15df 100644
--- a/src/backend/parser/parse_agg.c
+++ b/src/backend/parser/parse_agg.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_agg.c,v 1.9 1998/02/26 04:33:28 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_agg.c,v 1.10 1998/03/30 16:36:36 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -331,7 +331,7 @@ ParseAgg(ParseState *pstate, char *aggname, Oid basetype,
aggreg->target = lfirst(target);
if (usenulls)
aggreg->usenulls = true;
-
+
pstate->p_hasAggs = true;
return aggreg;
diff --git a/src/backend/rewrite/rewriteHandler.c b/src/backend/rewrite/rewriteHandler.c
index f3ccf54c23e..5bb24720f8f 100644
--- a/src/backend/rewrite/rewriteHandler.c
+++ b/src/backend/rewrite/rewriteHandler.c
@@ -6,7 +6,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.14 1998/02/26 04:35:16 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.15 1998/03/30 16:36:43 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -195,7 +195,7 @@ FireRetrieveRulesAtQuery(Query *parsetree,
if ((rt_entry_locks = relation->rd_rules) == NULL)
return NIL;
- locks = matchLocks(CMD_SELECT, rt_entry_locks, rt_index, parsetree);
+ locks = matchLocks(CMD_SELECT, rt_entry_locks, rt_index, parsetree);
/* find all retrieve instead */
foreach(i, locks)
@@ -375,6 +375,7 @@ ProcessRetrieveQuery(Query *parsetree,
List *product_queries = NIL;
int rt_index = 0;
+
foreach(rt, rtable)
{
RangeTblEntry *rt_entry = lfirst(rt);
@@ -384,6 +385,8 @@ ProcessRetrieveQuery(Query *parsetree,
rt_index++;
rt_entry_relation = heap_openr(rt_entry->relname);
+
+
if (rt_entry_relation->rd_rules != NULL)
{
result =
@@ -414,6 +417,7 @@ ProcessRetrieveQuery(Query *parsetree,
rt_entry_locks = rt_entry_relation->rd_rules;
heap_close(rt_entry_relation);
+
if (rt_entry_locks)
{
locks =
@@ -683,7 +687,6 @@ static int numQueryRewriteInvoked = 0;
List *
QueryRewrite(Query *parsetree)
{
-
QueryRewriteSubLink(parsetree->qual);
return QueryRewriteOne(parsetree);
}
@@ -780,6 +783,8 @@ deepRewriteQuery(Query *parsetree)
bool instead;
List *qual_products = NIL;
+
+
if (++numQueryRewriteInvoked > REWRITE_INVOKE_MAX)
{
elog(ERROR, "query rewritten %d times, may contain cycles",
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-30 15:12:08 +0000