_group update

odbctest/mql/problem/basic/36prepare/12valid.mql

@@ -7,6 +7,7 @@ matchcount(v_varchar, "*abc*", v_text, `hello word 2003 123-456-789 中华人民
 
 select _group from /test/prepare where v_varchar=='*abc*'
 /**
+output()
 count(1)
 matchcount(_group, {
   "_all": [

odbctest/mql/problem/basic/36prepare/20class.mql

@@ -17,5 +17,5 @@ create class if not exists /test/mprepare (
 	) with partition=(v_int)
 ;
 
-delete from /test/mprepare with mversion
+delete from /test/mprepare with version
 ;

odbctest/mql/problem/basic/36prepare/22valid.mql

@@ -7,6 +7,7 @@ matchcount(v_varchar, "*abc*", v_text, `hello word 2003 123-456-789 中华人民
 
 select _group from /test/mprepare where v_varchar=='*abc*'
 /**
+output()
 count(1)
 matchcount(_group, {
   "_all": [