Implement SEMI and ANTI joins in the planner and executor. (Semijoins replace

[postgresql] / src / backend / rewrite / rewriteManip.c

diff --git a/src/backend/rewrite/rewriteManip.c b/src/backend/rewrite/rewriteManip.c
index 63a8ba2bd05ad8ce59225fab8c1fc0e9d9b04b51..60492fe3d091fa52b349f5190a082531ec5277ea 100644 (file)
--- a/src/backend/rewrite/rewriteManip.c
+++ b/src/backend/rewrite/rewriteManip.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/rewrite/rewriteManip.c,v 1.107 2008/01/01 19:45:51 momjian Exp $
+ *       $PostgreSQL: pgsql/src/backend/rewrite/rewriteManip.c,v 1.108 2008/08/14 18:47:59 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -176,15 +176,15 @@ OffsetVarNodes_walker(Node *node, OffsetVarNodes_context *context)
                        j->rtindex += context->offset;
                /* fall through to examine children */
        }
-       if (IsA(node, InClauseInfo))
+       if (IsA(node, FlattenedSubLink))
        {
-               InClauseInfo *ininfo = (InClauseInfo *) node;
+               FlattenedSubLink *fslink = (FlattenedSubLink *) node;
 
                if (context->sublevels_up == 0)
                {
-                       ininfo->lefthand = offset_relid_set(ininfo->lefthand,
+                       fslink->lefthand = offset_relid_set(fslink->lefthand,
                                                                                                context->offset);
-                       ininfo->righthand = offset_relid_set(ininfo->righthand,
+                       fslink->righthand = offset_relid_set(fslink->righthand,
                                                                                                 context->offset);
                }
                /* fall through to examine children */
@@ -338,16 +338,16 @@ ChangeVarNodes_walker(Node *node, ChangeVarNodes_context *context)
                        j->rtindex = context->new_index;
                /* fall through to examine children */
        }
-       if (IsA(node, InClauseInfo))
+       if (IsA(node, FlattenedSubLink))
        {
-               InClauseInfo *ininfo = (InClauseInfo *) node;
+               FlattenedSubLink *fslink = (FlattenedSubLink *) node;
 
                if (context->sublevels_up == 0)
                {
-                       ininfo->lefthand = adjust_relid_set(ininfo->lefthand,
+                       fslink->lefthand = adjust_relid_set(fslink->lefthand,
                                                                                                context->rt_index,
                                                                                                context->new_index);
-                       ininfo->righthand = adjust_relid_set(ininfo->righthand,
+                       fslink->righthand = adjust_relid_set(fslink->righthand,
                                                                                                 context->rt_index,
                                                                                                 context->new_index);
                }
@@ -589,8 +589,8 @@ rangeTableEntry_used_walker(Node *node,
                /* fall through to examine children */
        }
        /* Shouldn't need to handle planner auxiliary nodes here */
-       Assert(!IsA(node, OuterJoinInfo));
-       Assert(!IsA(node, InClauseInfo));
+       Assert(!IsA(node, FlattenedSubLink));
+       Assert(!IsA(node, SpecialJoinInfo));
        Assert(!IsA(node, AppendRelInfo));
 
        if (IsA(node, Query))