First phase of SCHEMA changes, concentrating on fixing the grammar and

the parsetree representation.  As yet we don't *do* anything with schema
names, just drop 'em on the floor; but you can enter schema-compatible
command syntax, and there's even a primitive CREATE SCHEMA command.
No doc updates yet, except to note that you can now extract a field
from a function-returning-row's result with (foo(...)).fieldname.

src/include/commands/command.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: command.h,v 1.33 2002/03/05 05:33:29 momjian Exp $
+ * $Id: command.h,v 1.34 2002/03/21 16:01:41 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -72,4 +72,9 @@ extern void AlterTableOwner(const char *relationName, const char *newOwnerName);
  */
 extern void LockTableCommand(LockStmt *lockstmt);
 
+/*
+ * SCHEMA
+ */
+extern void CreateSchemaCommand(CreateSchemaStmt *parsetree);
+
 #endif   /* COMMAND_H */