Fix for AND/OR handling.

src/backend/optimizer/path/indxpath.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.34 1998/09/01 04:29:33 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.35 1998/09/21 15:41:26 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1293,8 +1293,13 @@ index_innerjoin(Query *root, RelOptInfo * rel, List *clausegroup_list,
 						  length(clausegroup),
 						  &temp_pages,
 						  &temp_selec);
+
 		pathnode->path.pathtype = T_IndexScan;
 		pathnode->path.parent = rel;
+	    pathnode->path.p_ordering.ordtype = SORTOP_ORDER;
+	    pathnode->path.p_ordering.ord.sortop = index->ordering;
+	    pathnode->path.keys = NIL;	/* not sure about this, bjm 1998/09/21 */
+
 		pathnode->indexid = index->relids;
 		pathnode->indexkeys = index->indexkeys;
 		pathnode->indexqual = clausegroup;

src/backend/optimizer/path/orindxpath.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/orindxpath.c,v 1.11 1998/09/01 04:29:41 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/orindxpath.c,v 1.12 1998/09/21 15:41:27 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -104,6 +104,15 @@ create_or_index_paths(Query *root,
 
 				pathnode->path.pathtype = T_IndexScan;
 				pathnode->path.parent = rel;
+			    pathnode->path.p_ordering.ordtype = SORTOP_ORDER;
+			    /*
+				 *	This is an IndexScan, but it does index lookups based
+				 *	on the order of the fields specified in the WHERE clause,
+				 *	not in any order, so the sortop is NULL.
+				 */
+			    pathnode->path.p_ordering.ord.sortop = NULL;
+			    pathnode->path.keys = NIL;	/* not sure about this, bjm 1998/09/21 */
+
 				pathnode->indexqual = lcons(clausenode, NIL);
 				pathnode->indexid = indexids;
 				pathnode->path.path_cost = cost;

src/backend/optimizer/util/pathnode.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.12 1998/09/01 04:30:08 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.13 1998/09/21 15:41:28 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -355,20 +355,17 @@ create_index_path(Query *root,
 						  &npages,
 						  &selec);
 		/* each clause gets an equal selectivity */
-		clausesel =
-			pow(selec,
-				1.0 / (double) length(restriction_clauses));
+		clausesel =	pow(selec, 1.0 / (double) length(restriction_clauses));
 
 		pathnode->indexqual = restriction_clauses;
-		pathnode->path.path_cost =
-			cost_index(lfirsti(index->relids),
-					   (int) npages,
-					   selec,
-					   rel->pages,
-					   rel->tuples,
-					   index->pages,
-					   index->tuples,
-					   false);
+		pathnode->path.path_cost = cost_index(lfirsti(index->relids),
+											   (int) npages,
+											   selec,
+											   rel->pages,
+											   rel->tuples,
+											   index->pages,
+											   index->tuples,
+											   false);
 
 #if 0
 		/* add in expensive functions cost!  -- JMH, 7/7/92 */