--- parser3/src/classes/string.C	2002/06/25 14:28:57	1.112
+++ parser3/src/classes/string.C	2002/08/15 10:38:18	1.117
@@ -3,10 +3,10 @@
 
 	Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
 	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
-
-	$Id: string.C,v 1.112 2002/06/25 14:28:57 paf Exp $
 */
 
+static const char* IDENT_STRING_C="$Date: 2002/08/15 10:38:18 $";
+
 #include "classes.h"
 #include "pa_request.h"
 #include "pa_vdouble.h"
@@ -105,9 +105,9 @@ static void _mid(Request& r, const Strin
 	Pool& pool=r.pool();
 	const String& string=*r.self->get_string();
 
-	size_t p=(size_t)params->as_int(0, "p must be int", r);
+	size_t p=(size_t)max(0, params->as_int(0, "p must be int", r));
 	size_t n=params->size()>1?
-		(size_t)params->as_int(1, "n must be int", r):string.size();
+		(size_t)max(0, params->as_int(1, "n must be int", r)):string.size();
 	
 	r.write_assign_lang(string.mid(p, p+n));
 }
@@ -327,7 +327,7 @@ const String* sql_result_string(Request&
 	default_code=0;
 	if(params->size()>1) {
 		Value& voptions=params->as_no_junction(1, "options must be hash, not code");
-		if(voptions.is_defined())
+		if(!voptions.is_string())
 			if(options=voptions.get_hash(&method_name)) {
 				if(Value *vlimit=(Value *)options->get(*sql_limit_name))
 					limit=(ulong)r.process_to_value(*vlimit).as_double();
@@ -353,16 +353,10 @@ const String* sql_result_string(Request&
 	const char *statement_cstr=
 		statement_string.cstr(String::UL_UNSPECIFIED, r.connection(&method_name));
 	String_sql_event_handlers handlers(pool, statement_string, statement_cstr);
-	try {
-		r.connection(&method_name)->query(
-			statement_cstr, offset, limit, 
-			handlers);
-	} catch(const Exception& e) { // query problem
-		// give more specific source [were url]
-		throw Exception("sql.execute",
-			&statement_string, 
-			"%s", e.comment());
-	}
+	r.connection(&method_name)->query(
+		statement_cstr, offset, limit, 
+		handlers,
+		statement_string);
 	
 	if(!handlers.got_cell)
 		return 0; // no lines, caller should return second param[default value]