Index: bool.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/utils/adt/bool.c,v
retrieving revision 1.35
diff -u -r1.35 bool.c
--- bool.c	29 Aug 2004 05:06:49 -0000	1.35
+++ bool.c	12 Oct 2004 07:52:14 -0000
@@ -37,29 +37,12 @@
 
 	switch (*b)
 	{
-		case 't':
-		case 'T':
-			if (pg_strncasecmp(b, "true", strlen(b)) == 0)
-				PG_RETURN_BOOL(true);
-			break;
-
 		case 'f':
 		case 'F':
 			if (pg_strncasecmp(b, "false", strlen(b)) == 0)
 				PG_RETURN_BOOL(false);
 			break;
 
-		case 'y':
-		case 'Y':
-			if (pg_strncasecmp(b, "yes", strlen(b)) == 0)
-				PG_RETURN_BOOL(true);
-			break;
-
-		case '1':
-			if (pg_strncasecmp(b, "1", strlen(b)) == 0)
-				PG_RETURN_BOOL(true);
-			break;
-
 		case 'n':
 		case 'N':
 			if (pg_strncasecmp(b, "no", strlen(b)) == 0)
@@ -70,17 +53,11 @@
 			if (pg_strncasecmp(b, "0", strlen(b)) == 0)
 				PG_RETURN_BOOL(false);
 			break;
-
-		default:
-			break;
+		case '\0':
+			PG_RETURN_BOOL(false);
 	}
 
-	ereport(ERROR,
-			(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
-			 errmsg("invalid input syntax for type boolean: \"%s\"", b)));
-
-	/* not reached */
-	PG_RETURN_BOOL(false);
+	PG_RETURN_BOOL(true);
 }
 
 /*