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Diffstat (limited to 'src/backend/optimizer/plan/setrefs.c')
-rw-r--r--src/backend/optimizer/plan/setrefs.c70
1 files changed, 35 insertions, 35 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index 63ec89ba72c..d8b1046fa07 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 1.37 1999/02/03 21:16:38 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.38 1999/02/09 17:03:01 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -34,14 +34,14 @@
#include "optimizer/tlist.h"
static void set_join_tlist_references(Join *join);
-static void set_tempscan_tlist_references(SeqScan *tempscan);
-static void set_temp_tlist_references(Temp *temp);
+static void set_nonamescan_tlist_references(SeqScan *nonamescan);
+static void set_noname_tlist_references(Noname *noname);
static List *replace_clause_joinvar_refs(Expr *clause,
List *outer_tlist, List *inner_tlist);
static List *replace_subclause_joinvar_refs(List *clauses,
List *outer_tlist, List *inner_tlist);
static Var *replace_joinvar_refs(Var *var, List *outer_tlist, List *inner_tlist);
-static List *tlist_temp_references(Oid tempid, List *tlist);
+static List *tlist_noname_references(Oid nonameid, List *tlist);
static void replace_result_clause(Node *clause, List *subplanTargetList);
static bool OperandIsInner(Node *opnd, int inner_relid);
static List *replace_agg_clause(Node *expr, List *targetlist);
@@ -74,10 +74,10 @@ set_tlist_references(Plan *plan)
if (IsA_Join(plan))
set_join_tlist_references((Join *) plan);
else if (IsA(plan, SeqScan) &&plan->lefttree &&
- IsA_Temp(plan->lefttree))
- set_tempscan_tlist_references((SeqScan *) plan);
+ IsA_Noname(plan->lefttree))
+ set_nonamescan_tlist_references((SeqScan *) plan);
else if (IsA(plan, Sort))
- set_temp_tlist_references((Temp *) plan);
+ set_noname_tlist_references((Noname *) plan);
else if (IsA(plan, Result))
set_result_tlist_references((Result *) plan);
else if (IsA(plan, Hash))
@@ -136,49 +136,49 @@ set_join_tlist_references(Join *join)
}
/*
- * set-tempscan-tlist-references--
- * Modifies the target list of a node that scans a temp relation (i.e., a
- * sort or hash node) so that the varnos refer to the child temporary.
+ * set-nonamescan-tlist-references--
+ * Modifies the target list of a node that scans a noname relation (i.e., a
+ * sort or hash node) so that the varnos refer to the child noname.
*
- * 'tempscan' is a seqscan node
+ * 'nonamescan' is a seqscan node
*
* Returns nothing of interest, but modifies internal fields of nodes.
*
*/
static void
-set_tempscan_tlist_references(SeqScan *tempscan)
+set_nonamescan_tlist_references(SeqScan *nonamescan)
{
- Temp *temp = (Temp *) ((Plan *) tempscan)->lefttree;
+ Noname *noname = (Noname *) ((Plan *) nonamescan)->lefttree;
- ((Plan *) tempscan)->targetlist = tlist_temp_references(temp->tempid,
- ((Plan *) tempscan)->targetlist);
- set_temp_tlist_references(temp);
+ ((Plan *) nonamescan)->targetlist = tlist_noname_references(noname->nonameid,
+ ((Plan *) nonamescan)->targetlist);
+ set_noname_tlist_references(noname);
}
/*
- * set-temp-tlist-references--
- * The temp's vars are made consistent with (actually, identical to) the
- * modified version of the target list of the node from which temp node
+ * set-noname-tlist-references--
+ * The noname's vars are made consistent with (actually, identical to) the
+ * modified version of the target list of the node from which noname node
* receives its tuples.
*
- * 'temp' is a temp (e.g., sort, hash) plan node
+ * 'noname' is a noname (e.g., sort, hash) plan node
*
* Returns nothing of interest, but modifies internal fields of nodes.
*
*/
static void
-set_temp_tlist_references(Temp *temp)
+set_noname_tlist_references(Noname *noname)
{
- Plan *source = ((Plan *) temp)->lefttree;
+ Plan *source = ((Plan *) noname)->lefttree;
if (source != NULL)
{
set_tlist_references(source);
- ((Plan *) temp)->targetlist = copy_vars(((Plan *) temp)->targetlist,
+ ((Plan *) noname)->targetlist = copy_vars(((Plan *) noname)->targetlist,
(source)->targetlist);
}
else
- elog(ERROR, "calling set_temp_tlist_references with empty lefttree");
+ elog(ERROR, "calling set_noname_tlist_references with empty lefttree");
}
/*
@@ -475,25 +475,25 @@ replace_joinvar_refs(Var *var, List *outer_tlist, List *inner_tlist)
}
/*
- * tlist-temp-references--
- * Creates a new target list for a node that scans a temp relation,
- * setting the varnos to the id of the temp relation and setting varids
+ * tlist-noname-references--
+ * Creates a new target list for a node that scans a noname relation,
+ * setting the varnos to the id of the noname relation and setting varids
* if necessary (varids are only needed if this is a targetlist internal
* to the tree, in which case the targetlist entry always contains a var
- * node, so we can just copy it from the temp).
+ * node, so we can just copy it from the noname).
*
- * 'tempid' is the id of the temp relation
+ * 'nonameid' is the id of the noname relation
* 'tlist' is the target list to be modified
*
* Returns new target list
*
*/
static List *
-tlist_temp_references(Oid tempid,
+tlist_noname_references(Oid nonameid,
List *tlist)
{
List *t_list = NIL;
- TargetEntry *temp = (TargetEntry *) NULL;
+ TargetEntry *noname = (TargetEntry *) NULL;
TargetEntry *xtl = NULL;
List *entry;
@@ -507,16 +507,16 @@ tlist_temp_references(Oid tempid,
else
oattno = 0;
- temp = makeTargetEntry(xtl->resdom,
- (Node *) makeVar(tempid,
+ noname = makeTargetEntry(xtl->resdom,
+ (Node *) makeVar(nonameid,
xtl->resdom->resno,
xtl->resdom->restype,
xtl->resdom->restypmod,
0,
- tempid,
+ nonameid,
oattno));
- t_list = lappend(t_list, temp);
+ t_list = lappend(t_list, noname);
}
return t_list;
}