Functions live in namespaces. Qualified function names work, eg

SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.

3 files changed, 13 insertions, 8 deletions

diff --git a/src/include/parser/gramparse.h b/src/include/parser/gramparse.h
index a9932ab59a..42ae42d9e6 100644
--- a/src/include/parser/gramparse.h
+++ b/src/include/parser/gramparse.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: gramparse.h,v 1.19 2001/11/05 17:46:34 momjian Exp $
+ * $Id: gramparse.h,v 1.20 2002/04/09 20:35:55 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -29,6 +29,7 @@ extern Oid	param_type(int t);
 extern int	yyparse(void);
 extern char *xlateSqlFunc(char *name);
 extern char *xlateSqlType(char *name);
+extern List *SystemFuncName(char *name);
 bool		exprIsNullConstant(Node *arg);
 
 #endif   /* GRAMPARSE_H */
diff --git a/src/include/parser/parse_agg.h b/src/include/parser/parse_agg.h
index 666e4ede76..03ac8dc646 100644
--- a/src/include/parser/parse_agg.h
+++ b/src/include/parser/parse_agg.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: parse_agg.h,v 1.21 2002/03/21 16:01:55 tgl Exp $
+ * $Id: parse_agg.h,v 1.22 2002/04/09 20:35:55 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -18,8 +18,8 @@
 
 extern void AddAggToParseState(ParseState *pstate, Aggref *aggref);
 extern void parseCheckAggregates(ParseState *pstate, Query *qry, Node *qual);
-extern Aggref *ParseAgg(ParseState *pstate, char *aggname, Oid basetype,
+extern Aggref *ParseAgg(ParseState *pstate, List *aggname, Oid basetype,
 		 List *args, bool agg_star, bool agg_distinct);
-extern void agg_error(char *caller, char *aggname, Oid basetypeID);
+extern void agg_error(const char *caller, List *aggname, Oid basetypeID);
 
 #endif   /* PARSE_AGG_H */
diff --git a/src/include/parser/parse_func.h b/src/include/parser/parse_func.h
index 01e5b16e2b..3a7641e1de 100644
--- a/src/include/parser/parse_func.h
+++ b/src/include/parser/parse_func.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: parse_func.h,v 1.37 2002/03/29 19:06:24 tgl Exp $
+ * $Id: parse_func.h,v 1.38 2002/04/09 20:35:55 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -48,18 +48,22 @@ typedef enum
 
 
 extern Node *ParseFuncOrColumn(ParseState *pstate,
-				  char *funcname, List *fargs,
+				  List *funcname, List *fargs,
 				  bool agg_star, bool agg_distinct, bool is_column);
 
-extern FuncDetailCode func_get_detail(char *funcname, List *fargs,
+extern FuncDetailCode func_get_detail(List *funcname, List *fargs,
 				int nargs, Oid *argtypes,
 				Oid *funcid, Oid *rettype,
 				bool *retset, Oid **true_typeids);
 
 extern bool typeInheritsFrom(Oid subclassTypeId, Oid superclassTypeId);
 
-extern void func_error(const char *caller, const char *funcname,
+extern void func_error(const char *caller, List *funcname,
 					   int nargs, const Oid *argtypes,
 					   const char *msg);
 
+extern Oid	LookupFuncName(List *funcname, int nargs, const Oid *argtypes);
+extern Oid	LookupFuncNameTypeNames(List *funcname, List *argtypes,
+									bool opaqueOK, const char *caller);
+
 #endif   /* PARSE_FUNC_H */