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Diffstat (limited to 'src/backend/nodes/copyfuncs.c')
-rw-r--r--src/backend/nodes/copyfuncs.c303
1 files changed, 124 insertions, 179 deletions
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 3dc2bf0373a..ad50630931e 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.139 2001/03/22 03:59:31 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.140 2001/03/22 06:16:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -114,9 +114,8 @@ _copyPlan(Plan *from)
{
Plan *newnode = makeNode(Plan);
- /* ----------------
- * copy the node superclass fields
- * ----------------
+ /*
+ * copy the node superclass fields
*/
CopyPlanFields(from, newnode);
@@ -133,15 +132,13 @@ _copyResult(Result *from)
{
Result *newnode = makeNode(Result);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, resconstantqual);
@@ -165,15 +162,13 @@ _copyAppend(Append *from)
{
Append *newnode = makeNode(Append);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, appendplans);
newnode->isTarget = from->isTarget;
@@ -205,9 +200,8 @@ _copyScan(Scan *from)
{
Scan *newnode = makeNode(Scan);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyScanFields((Scan *) from, (Scan *) newnode);
@@ -224,9 +218,8 @@ _copySeqScan(SeqScan *from)
{
SeqScan *newnode = makeNode(SeqScan);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyScanFields((Scan *) from, (Scan *) newnode);
@@ -243,16 +236,14 @@ _copyIndexScan(IndexScan *from)
{
IndexScan *newnode = makeNode(IndexScan);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyScanFields((Scan *) from, (Scan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->indxid = listCopy(from->indxid);
Node_Copy(from, newnode, indxqual);
@@ -282,15 +273,14 @@ _copyTidScan(TidScan *from)
{
TidScan *newnode = makeNode(TidScan);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyScanFields((Scan *) from, (Scan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+
+ /*
+ * copy remainder of node
*/
newnode->needRescan = from->needRescan;
Node_Copy(from, newnode, tideval);
@@ -307,16 +297,14 @@ _copySubqueryScan(SubqueryScan *from)
{
SubqueryScan *newnode = makeNode(SubqueryScan);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyScanFields((Scan *) from, (Scan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, subplan);
@@ -352,9 +340,8 @@ _copyJoin(Join *from)
{
Join *newnode = makeNode(Join);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyJoinFields(from, newnode);
@@ -372,9 +359,8 @@ _copyNestLoop(NestLoop *from)
{
NestLoop *newnode = makeNode(NestLoop);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyJoinFields((Join *) from, (Join *) newnode);
@@ -392,16 +378,14 @@ _copyMergeJoin(MergeJoin *from)
{
MergeJoin *newnode = makeNode(MergeJoin);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyJoinFields((Join *) from, (Join *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, mergeclauses);
@@ -424,16 +408,14 @@ _copyHashJoin(HashJoin *from)
{
HashJoin *newnode = makeNode(HashJoin);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
CopyJoinFields((Join *) from, (Join *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, hashclauses);
newnode->hashjoinop = from->hashjoinop;
@@ -458,9 +440,8 @@ _copyMaterial(Material *from)
{
Material *newnode = makeNode(Material);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
@@ -477,9 +458,8 @@ _copySort(Sort *from)
{
Sort *newnode = makeNode(Sort);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
@@ -546,15 +526,13 @@ _copyUnique(Unique *from)
{
Unique *newnode = makeNode(Unique);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->numCols = from->numCols;
newnode->uniqColIdx = palloc(from->numCols * sizeof(AttrNumber));
@@ -572,15 +550,13 @@ _copySetOp(SetOp *from)
{
SetOp *newnode = makeNode(SetOp);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->cmd = from->cmd;
newnode->numCols = from->numCols;
@@ -600,15 +576,13 @@ _copyLimit(Limit *from)
{
Limit *newnode = makeNode(Limit);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, limitOffset);
Node_Copy(from, newnode, limitCount);
@@ -625,15 +599,13 @@ _copyHash(Hash *from)
{
Hash *newnode = makeNode(Hash);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, hashkey);
@@ -691,9 +663,8 @@ _copyFjoin(Fjoin *from)
{
Fjoin *newnode = makeNode(Fjoin);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
newnode->fj_initialized = from->fj_initialized;
@@ -726,9 +697,8 @@ _copyExpr(Expr *from)
{
Expr *newnode = makeNode(Expr);
- /* ----------------
- * copy node superclass fields
- * ----------------
+ /*
+ * copy node superclass fields
*/
newnode->typeOid = from->typeOid;
newnode->opType = from->opType;
@@ -748,9 +718,8 @@ _copyVar(Var *from)
{
Var *newnode = makeNode(Var);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->varno = from->varno;
newnode->varattno = from->varattno;
@@ -785,9 +754,8 @@ _copyOper(Oper *from)
{
Oper *newnode = makeNode(Oper);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->opno = from->opno;
newnode->opid = from->opid;
@@ -807,27 +775,27 @@ _copyConst(Const *from)
{
Const *newnode = makeNode(Const);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->consttype = from->consttype;
newnode->constlen = from->constlen;
if (from->constbyval || from->constisnull)
{
- /* ----------------
- * passed by value so just copy the datum.
- * Also, don't try to copy struct when value is null!
- * ----------------
+
+ /*
+ * passed by value so just copy the datum. Also, don't try to copy
+ * struct when value is null!
+ *
*/
newnode->constvalue = from->constvalue;
}
else
{
- /* ----------------
- * not passed by value. datum contains a pointer.
- * ----------------
+
+ /*
+ * not passed by value. datum contains a pointer.
*/
int length = from->constlen;
@@ -856,9 +824,8 @@ _copyParam(Param *from)
{
Param *newnode = makeNode(Param);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->paramkind = from->paramkind;
newnode->paramid = from->paramid;
@@ -879,9 +846,8 @@ _copyFunc(Func *from)
{
Func *newnode = makeNode(Func);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->funcid = from->funcid;
newnode->functype = from->functype;
@@ -900,9 +866,8 @@ _copyAggref(Aggref *from)
{
Aggref *newnode = makeNode(Aggref);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->aggname = pstrdup(from->aggname);
newnode->basetype = from->basetype;
@@ -924,9 +889,8 @@ _copySubLink(SubLink *from)
{
SubLink *newnode = makeNode(SubLink);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->subLinkType = from->subLinkType;
newnode->useor = from->useor;
@@ -946,9 +910,8 @@ _copyFieldSelect(FieldSelect *from)
{
FieldSelect *newnode = makeNode(FieldSelect);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, arg);
newnode->fieldnum = from->fieldnum;
@@ -967,9 +930,8 @@ _copyRelabelType(RelabelType *from)
{
RelabelType *newnode = makeNode(RelabelType);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, arg);
newnode->resulttype = from->resulttype;
@@ -1026,9 +988,8 @@ _copyCaseExpr(CaseExpr *from)
{
CaseExpr *newnode = makeNode(CaseExpr);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->casetype = from->casetype;
@@ -1048,9 +1009,8 @@ _copyCaseWhen(CaseWhen *from)
{
CaseWhen *newnode = makeNode(CaseWhen);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, expr);
Node_Copy(from, newnode, result);
@@ -1063,9 +1023,8 @@ _copyArrayRef(ArrayRef *from)
{
ArrayRef *newnode = makeNode(ArrayRef);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->refattrlength = from->refattrlength;
newnode->refelemlength = from->refelemlength;
@@ -1229,15 +1188,13 @@ _copyIndexPath(IndexPath *from)
{
IndexPath *newnode = makeNode(IndexPath);
- /* ----------------
- * copy the node superclass fields
- * ----------------
+ /*
+ * copy the node superclass fields
*/
CopyPathFields((Path *) from, (Path *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->indexid = listCopy(from->indexid);
Node_Copy(from, newnode, indexqual);
@@ -1258,15 +1215,13 @@ _copyTidPath(TidPath *from)
{
TidPath *newnode = makeNode(TidPath);
- /* ----------------
- * copy the node superclass fields
- * ----------------
+ /*
+ * copy the node superclass fields
*/
CopyPathFields((Path *) from, (Path *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, tideval);
newnode->unjoined_relids = listCopy(from->unjoined_relids);
@@ -1283,15 +1238,13 @@ _copyAppendPath(AppendPath *from)
{
AppendPath *newnode = makeNode(AppendPath);
- /* ----------------
- * copy the node superclass fields
- * ----------------
+ /*
+ * copy the node superclass fields
*/
CopyPathFields((Path *) from, (Path *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, subpaths);
@@ -1323,9 +1276,8 @@ _copyNestPath(NestPath *from)
{
NestPath *newnode = makeNode(NestPath);
- /* ----------------
- * copy the node superclass fields
- * ----------------
+ /*
+ * copy the node superclass fields
*/
CopyPathFields((Path *) from, (Path *) newnode);
CopyJoinPathFields((JoinPath *) from, (JoinPath *) newnode);
@@ -1342,16 +1294,14 @@ _copyMergePath(MergePath *from)
{
MergePath *newnode = makeNode(MergePath);
- /* ----------------
- * copy the node superclass fields
- * ----------------
+ /*
+ * copy the node superclass fields
*/
CopyPathFields((Path *) from, (Path *) newnode);
CopyJoinPathFields((JoinPath *) from, (JoinPath *) newnode);
- /* ----------------
- * copy the remainder of the node
- * ----------------
+ /*
+ * copy the remainder of the node
*/
Node_Copy(from, newnode, path_mergeclauses);
Node_Copy(from, newnode, outersortkeys);
@@ -1369,16 +1319,14 @@ _copyHashPath(HashPath *from)
{
HashPath *newnode = makeNode(HashPath);
- /* ----------------
- * copy the node superclass fields
- * ----------------
+ /*
+ * copy the node superclass fields
*/
CopyPathFields((Path *) from, (Path *) newnode);
CopyJoinPathFields((JoinPath *) from, (JoinPath *) newnode);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, path_hashclauses);
@@ -1394,9 +1342,8 @@ _copyPathKeyItem(PathKeyItem *from)
{
PathKeyItem *newnode = makeNode(PathKeyItem);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, key);
newnode->sortop = from->sortop;
@@ -1413,9 +1360,8 @@ _copyRestrictInfo(RestrictInfo *from)
{
RestrictInfo *newnode = makeNode(RestrictInfo);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
Node_Copy(from, newnode, clause);
newnode->eval_cost = from->eval_cost;
@@ -1447,9 +1393,8 @@ _copyJoinInfo(JoinInfo *from)
{
JoinInfo *newnode = makeNode(JoinInfo);
- /* ----------------
- * copy remainder of node
- * ----------------
+ /*
+ * copy remainder of node
*/
newnode->unjoined_relids = listCopy(from->unjoined_relids);
Node_Copy(from, newnode, jinfo_restrictinfo);
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-01 09:06:25 +0000