Change internal string representation of BitString node to include a

leading 'b', as it appears to be more convenient this way for the input
and node functions.

src/backend/nodes/outfuncs.c

@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.130 2000/10/31 10:22:10 petere Exp $
+ *	$Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.131 2000/10/31 13:59:52 petere Exp $
  *
  * NOTES
  *	  Every (plan) node in POSTGRES has an associated "out" routine which
@@ -1353,7 +1353,8 @@ _outValue(StringInfo str, Value *value)
 			appendStringInfo(str, "\" ");
 			break;
 		case T_BitString:
-			appendStringInfo(str, " B%s ", value->val.str);
+			/* internal representation already has leading 'b' */
+			appendStringInfo(str, " %s ", value->val.str);
 			break;
 		default:
 			elog(NOTICE, "_outValue: don't know how to print type %d ",

src/backend/nodes/read.c

@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/read.c,v 1.24 2000/10/31 10:22:10 petere Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/read.c,v 1.25 2000/10/31 13:59:52 petere Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -236,7 +236,7 @@ nodeTokenType(char *token, int length)
 		retval = AT_SYMBOL;
 	else if (*token == '\"' && length > 1 && token[length - 1] == '\"')
 		retval = T_String;
-	else if (*token == 'B')
+	else if (*token == 'b')
 		retval = T_BitString;
 	else
 		retval = ATOM_TOKEN;
@@ -351,7 +351,7 @@ nodeRead(bool read_car_only)
 		case T_BitString:
 		{
 			char * val = palloc(tok_len);
-			/* skip leading 'B'*/
+			/* skip leading 'b'*/
 			strncpy(val, token + 1, tok_len - 1);
 			val[tok_len - 1] = '\0';
 			this_value = (Node *) makeBitString(val);

src/backend/parser/scan.l

@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.80 2000/10/31 10:22:11 petere Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.81 2000/10/31 13:59:53 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -282,10 +282,11 @@ other			.
 {xbitstart}		{
 					BEGIN(xbit);
 					startlit();
+					addlit("b", 1);
 				}
 <xbit>{xbitstop}	{
 					BEGIN(INITIAL);
-					if (literalbuf[strspn(literalbuf, "01")] != '\0')
+					if (literalbuf[strspn(literalbuf + 1, "01") + 1] != '\0')
 						elog(ERROR, "invalid bit string input: '%s'",
 							 literalbuf);
 					yylval.str = literalbuf;