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authorTom Lane <tgl@sss.pgh.pa.us>2002-12-12 15:49:42 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2002-12-12 15:49:42 +0000
commita0bf885f9eaccadd23b766ecbc064f17f06ae883 (patch)
tree62b65e5cf1a8ec02ece3a98c15457ddff018bb94 /src/include/nodes/makefuncs.h
parentdebb072886efcb15e7f0825e35b168afe316d37d (diff)
downloadpostgresql-a0bf885f9eaccadd23b766ecbc064f17f06ae883.tar.gz
postgresql-a0bf885f9eaccadd23b766ecbc064f17f06ae883.zip
Phase 2 of read-only-plans project: restructure expression-tree nodes
so that all executable expression nodes inherit from a common supertype Expr. This is somewhat of an exercise in code purity rather than any real functional advance, but getting rid of the extra Oper or Func node formerly used in each operator or function call should provide at least a little space and speed improvement. initdb forced by changes in stored-rules representation.
Diffstat (limited to 'src/include/nodes/makefuncs.h')
-rw-r--r--src/include/nodes/makefuncs.h13
1 files changed, 5 insertions, 8 deletions
diff --git a/src/include/nodes/makefuncs.h b/src/include/nodes/makefuncs.h
index 68f0dcda49a..d1f4ebfc400 100644
--- a/src/include/nodes/makefuncs.h
+++ b/src/include/nodes/makefuncs.h
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: makefuncs.h,v 1.42 2002/11/25 21:29:42 tgl Exp $
+ * $Id: makefuncs.h,v 1.43 2002/12/12 15:49:40 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,18 +22,13 @@ extern A_Expr *makeA_Expr(int oper, List *name, Node *lexpr, Node *rexpr);
extern A_Expr *makeSimpleA_Expr(int oper, const char *name,
Node *lexpr, Node *rexpr);
-extern Oper *makeOper(Oid opno,
- Oid opid,
- Oid opresulttype,
- bool opretset);
-
extern Var *makeVar(Index varno,
AttrNumber varattno,
Oid vartype,
int32 vartypmod,
Index varlevelsup);
-extern TargetEntry *makeTargetEntry(Resdom *resdom, Node *expr);
+extern TargetEntry *makeTargetEntry(Resdom *resdom, Expr *expr);
extern Resdom *makeResdom(AttrNumber resno,
Oid restype,
@@ -49,9 +44,11 @@ extern Const *makeConst(Oid consttype,
extern Const *makeNullConst(Oid consttype);
+extern Expr *makeBoolExpr(BoolExprType boolop, List *args);
+
extern Alias *makeAlias(const char *aliasname, List *colnames);
-extern RelabelType *makeRelabelType(Node *arg, Oid rtype, int32 rtypmod,
+extern RelabelType *makeRelabelType(Expr *arg, Oid rtype, int32 rtypmod,
CoercionForm rformat);
extern RangeVar *makeRangeVar(char *schemaname, char *relname);