Parser cleanup for expr and subqueries.

src/backend/parser/gram.y

@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.100 1998/02/01 19:43:34 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.101 1998/02/03 01:53:14 momjian Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -3330,6 +3330,16 @@ a_expr:  attr opt_indirection
 					n->subselect = $5;
 					$$ = (Node *)n;
 				}
+		| a_expr Op '(' SubSelect ')'
+				{
+					SubLink *n = makeNode(SubLink);
+					n->lefthand = lcons($1, NULL);
+					n->oper = lcons($2,NIL);
+					n->useor = false;
+					n->subLinkType = ALL_SUBLINK;
+					n->subselect = $4;
+					$$ = (Node *)n;
+				}
 		| a_expr AND a_expr
 				{	$$ = makeA_Expr(AND, NULL, $1, $3); }
 		| a_expr OR a_expr

src/backend/parser/parse_expr.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.14 1998/02/01 22:20:39 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.15 1998/02/03 01:53:16 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -101,7 +101,7 @@ transformExpr(ParseState *pstate, Node *expr, int precedence)
 				Value	   *val = &con->val;
 
 				if (con->typename != NULL)
-					result = parser_typecast(val, con->typename, 0);
+					result = parser_typecast(val, con->typename, -1);
 				else
 					result = (Node *) make_const(val);
 				break;

src/include/catalog/pg_type.h

@@ -7,7 +7,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_type.h,v 1.28 1998/01/24 22:48:42 momjian Exp $
+ * $Id: pg_type.h,v 1.29 1998/02/03 01:53:24 momjian Exp $
  *
  * NOTES
  *	  the genbki.sh script reads this file and generates .bki
@@ -366,6 +366,7 @@ DESCR("limited-range ISO-format date and time");
 
 
 #define USE_ATTTYPMOD(typeid)	((typeid) == BPCHAROID || (typeid) == VARCHAROID)
+#define VARLENA_FIXED_SIZE(typeid)	((typeid) == BPCHAROID)
 
 /*
  * prototypes for functions in pg_type.c