--- parser3/src/classes/table.C	2016/07/29 13:30:42	1.315
+++ parser3/src/classes/table.C	2016/07/29 22:40:58	1.317
@@ -22,7 +22,7 @@
 #define USE_STRINGSTREAM
 #endif
 
-volatile const char * IDENT_TABLE_C="$Id: table.C,v 1.315 2016/07/29 13:30:42 moko Exp $";
+volatile const char * IDENT_TABLE_C="$Id: table.C,v 1.317 2016/07/29 22:40:58 moko Exp $";
 
 // class
 
@@ -705,11 +705,10 @@ static void _menu(Request& r, MethodPara
 
 	Table& table=GET_SELF(r, VTable).table();
 	size_t saved_current=table.current();
-	size_t size=table.count();
 
 	if(delim_maybe_code) { // delimiter set
 		bool need_delim=false;
-		for(size_t row=0; row<size; row++) {
+		for(size_t row=0; row<table.count(); row++) {
 			table.set_current(row);
 
 			StringOrValue sv_processed=r.process(body_code);
@@ -729,7 +728,7 @@ static void _menu(Request& r, MethodPara
 				break;
 		}
 	} else {
-		for(size_t row=0; row<size; row++) {
+		for(size_t row=0; row<table.count(); row++) {
 			table.set_current(row);
  
 			r.process_write(body_code);
@@ -772,8 +771,12 @@ static void table_row_to_hash(Table::ele
 	bool exist=false;
 	switch(info->value_type) {
 		case C_STRING: {
-			size_t index=info->value_fields->get(0);
-			exist=info->hash->put_dont_replace(*key, (index < row->count()) ? new VString(*row->get(index)) : new VString());
+			if(info->value_fields->count()){
+				size_t index=info->value_fields->get(0);
+				exist=info->hash->put_dont_replace(*key, (index < row->count()) ? new VString(*row->get(index)) : VString::empty());
+			} else {
+				exist=info->hash->put_dont_replace(*key, VString::empty());
+			}
 			break;
 		}
 		case C_HASH: {
@@ -899,10 +902,12 @@ static void _hash(Request& r, MethodPara
 					throw Exception(PARSER_RUNTIME, 0, "you can't specify value field(s) with option $.distinct[tables] or $.type[tables]");
 
 				Value& value_fields_param=params[1];
-				if(value_fields_param.get_junction()){
+				if(value_fields_param.get_junction()){ // code specified
 					value_code=&value_fields_param;
 				} else if(value_fields_param.is_string()) { // one column as string was specified
-					value_fields+=self_table.column_name2index(*value_fields_param.get_string(), true);
+					const String &field_name=*value_fields_param.get_string();
+					if(!field_name.is_empty())
+						value_fields+=self_table.column_name2index(field_name, true);
 				} else if(Table* value_fields_table=value_fields_param.get_table()) { // list of columns were specified in table
 					for(Array_iterator<Table::element_type> i(*value_fields_table); i.has_next(); ) {
 						const String& value_field_name =*i.next()->get(0);
@@ -1083,7 +1088,6 @@ static void _foreach(Request& r, MethodP
 
 	Table& table=GET_SELF(r, VTable).table();
 	size_t saved_current=table.current();
-	size_t size=table.count();
 
 	const String* rownum_var_name=rownum_name.is_empty()? 0 : &rownum_name;
 	const String* value_var_name=value_name.is_empty()? 0 : &value_name;
@@ -1092,7 +1096,7 @@ static void _foreach(Request& r, MethodP
 
 	if(delim_maybe_code) { // delimiter set
 		bool need_delim=false;
-		for(size_t row=0; row<size; row++) {
+		for(size_t row=0; row<table.count(); row++) {
 			table.set_current(row);
 
 			if(rownum_var_name)
@@ -1117,7 +1121,7 @@ static void _foreach(Request& r, MethodP
 				break;
 		}
 	} else {
-		for(size_t row=0; row<size; row++) {
+		for(size_t row=0; row<table.count(); row++) {
 			table.set_current(row);
  
 			if(rownum_var_name)