1 files changed, 117 insertions, 0 deletions
diff --git a/src/backend/nodes/makefuncs.c b/src/backend/nodes/makefuncs.c
new file mode 100644
index 00000000000..a461524e7ad
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+++ b/src/backend/nodes/makefuncs.c
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+/*
+ * makefuncs.c--
+ *    creator functions for primitive nodes. The functions here are for
+ *    the most frequently created nodes.
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *    $Header: /cvsroot/pgsql/src/backend/nodes/makefuncs.c,v 1.1.1.1 1996/07/09 06:21:32 scrappy Exp $
+ *
+ * NOTES
+ *    Creator functions in POSTGRES 4.2 are generated automatically. Most of
+ *    them are rarely used. Now we don't generate them any more. If you want
+ *    one, you have to write it yourself.
+ *
+ * HISTORY
+ *    AUTHOR		DATE		MAJOR EVENT
+ *    Andrew Yu		Oct 20, 1994	file creation
+ */
+#include "postgres.h"
+#include "nodes/pg_list.h"
+#include "nodes/primnodes.h"
+#include "nodes/makefuncs.h"
+
+/*
+ * makeOper -
+ *    creates an Oper node
+ */
+Oper *
+makeOper(Oid opno,
+	 Oid opid,
+	 Oid opresulttype,
+	 int opsize,
+	 FunctionCachePtr op_fcache)
+{
+    Oper *oper = makeNode(Oper);
+
+    oper->opno = opno;
+    oper->opid = opid;
+    oper->opresulttype = opresulttype;
+    oper->opsize = opsize;
+    oper->op_fcache = op_fcache;
+    return oper;
+}
+
+/*
+ * makeVar -
+ *    creates a Var node
+ *
+ */
+Var *
+makeVar(Index varno, 
+	AttrNumber varattno,
+	Oid vartype,
+	Index varnoold,
+	AttrNumber varoattno)
+{
+    Var *var = makeNode(Var);
+
+    var->varno =  varno;
+    var->varattno = varattno;
+    var->vartype = vartype;
+    var->varnoold =  varnoold;
+    var->varoattno = varoattno;
+
+    return var;
+}
+
+/*
+ * makeResdom -
+ *    creates a Resdom (Result Domain) node
+ */
+Resdom *
+makeResdom(AttrNumber resno,
+	   Oid restype,
+	   int reslen,
+	   char *resname,
+	   Index reskey,
+	   Oid reskeyop,
+	   int resjunk)
+{
+    Resdom *resdom = makeNode(Resdom);
+
+    resdom->resno = resno; 
+    resdom->restype = restype;
+    resdom->reslen = reslen;
+    resdom->resname = resname;
+    resdom->reskey = reskey;
+    resdom->reskeyop = reskeyop;
+    resdom->resjunk = resjunk;
+    return resdom;
+}
+
+/*
+ * makeConst -
+ *    creates a Const node
+ */
+Const *
+makeConst(Oid consttype,
+	  Size constlen,
+	  Datum constvalue,
+	  bool constisnull,
+	  bool constbyval,
+	  bool constisset)
+{
+    Const *cnst = makeNode(Const);
+
+    cnst->consttype = consttype;
+    cnst->constlen = constlen;
+    cnst->constvalue = constvalue;
+    cnst->constisnull = constisnull;
+    cnst->constbyval = constbyval;
+    cnst->constisset = constisset;
+    return cnst;
+}
+