enhance nested query for pow/log scalar function

tests/script/general/parser/scalar_pow.sim

@@ -153,6 +153,7 @@ endi
 sql select c1, log(c2, 2), pow(c1,2), pow(c2,2)+2, pow(c2,3)+log(c3, 2)+pow(c5,2) as v4, pow(c4, 4.5)+pow(c3, 2), log(c1,2)+log(c3,4)+pow(c6,2.8)+2 as v6 from $stb order by ts desc
 
 print ===> $data00 , $data01 , $data02 , $data03 , $data04 , $data05
+
 if $data00 != 49 then
   return -1
 endi
@@ -162,13 +163,13 @@ endi
 if $data02 != 2401.000000000 then
   return -1
 endi
-if $data03 != 2401.000000000 then
+if $data03 != 2403.000000000 then
   return -1
 endi
-if $data04 != 117649.000000000 then
+if $data04 != 120055.614709844 then
   return -1
 endi
-if $data05 != 5.614709844 then
+if $data05 != 40356008.000000000 then
   return -1
 endi
 
@@ -252,7 +253,7 @@ sql_error select pow(c2,2) from $stb slimit 2;
 
 sql_error select pow(c2,2) from $stb interval(1m) slimit 2;
 print ===============> step 4 nested query
-
+print ===============> step 4.1 select expr... from (select * from super_tb order by ts desc)
 sql select c1, log(c2, 2), pow(c1,2), pow(c2,2)+2, pow(c2,3)+log(c3, 2)+pow(c5,2) as v4, pow(c4, 4.5)+pow(c3, 2), log(c1,2)+log(c3,4)+pow(c6,2.8)+2 as v6 from (select * from $stb order by ts desc)
 
 print ===> $data00 , $data01 , $data02 , $data03 , $data04 , $data05
@@ -268,13 +269,15 @@ endi
 if $data03 != 2403.000000000 then
   return -1
 endi
-if $data04 != 117649.000000000 then
+if $data04 !=  120055.614709844 then
   return -1
 endi
-if $data05 != 5.614709844 then
+if $data05 !=  40356008.000000000 then
   return -1
 endi
 
+print ==============> step 4.2 select expr... from (select * from child_tb order by ts); 
+
 sql select c1, log(c2, 2), pow(c1,2), pow(c2,2)+2, pow(c2,3)+log(c3, 2)+pow(c5,2) as v4, pow(c4, 4.5)+pow(c3, 2), log(c1,2)+log(c3,4)+pow(c6,2.8)+2 as v6 from (select * from $tb order by ts limit 2);
 print ===> $data00 , $data01 , $data02 , $data03 , $data04 , $data05
 print ===> $data10 , $data11 , $data12 , $data13 , $data14 , $data15
@@ -315,6 +318,70 @@ if $data15 != 2.000000000 then
   return -1
 endi
 
+print ====> step 4.3 select exprs... from (select * from super_tb ) order by ts desc;
+sql select c1, log(c2, 2), pow(c1,2), pow(c2,2)+2, pow(c2,3)+log(c3, 2)+pow(c5,2) as v4, pow(c4, 4.5)+pow(c3, 2), log(c1,2)+log(c3,4)+pow(c6,2.8)+2 as v6 from (select * from $stb ) order by ts desc
+
+print ===> $data00 , $data01 , $data02 , $data03 , $data04 , $data05
+if $data00 != 49 then
+  return -1
+endi
+if $data01 != 5.614709844 then
+  return -1
+endi
+if $data02 != 2401.000000000 then
+  return -1
+endi
+if $data03 != 2403.000000000 then
+  return -1
+endi
+if $data04 !=  120055.614709844 then
+  return -1
+endi
+if $data05 !=  40356008.000000000 then
+  return -1
+endi
+
+print ====> step 4.4 select exprs... from (select * from child_tb) order by ts limit 2;
+
+sql select c1, log(c2, 2), pow(c1,2), pow(c2,2)+2, pow(c2,3)+log(c3, 2)+pow(c5,2) as v4, pow(c4, 4.5)+pow(c3, 2), log(c1,2)+log(c3,4)+pow(c6,2.8)+2 as v6 from (select * from $tb ) order by ts limit 2;
+print ===> $data00 , $data01 , $data02 , $data03 , $data04 , $data05
+print ===> $data10 , $data11 , $data12 , $data13 , $data14 , $data15
+if $data00 != 0 then
+  return -1
+endi
+if $data01 != -2.000000000 then
+  return -1
+endi
+if $data02 != 0.000000000 then
+  return -1
+endi
+if $data03 != 2.062500000 then
+  return -1
+endi
+if $data04 != -inf then
+  return -1
+endi
+if $data05 != 0.000000000 then
+  return -1
+endi
+if $data10 != 1 then
+  return -1
+endi
+if $data11 != 0.000000000 then
+  return -1
+endi
+if $data12 != 1.000000000 then
+  return -1
+endi
+if $data13 != 3.000000000 then
+  return -1
+endi
+if $data14 != 2.000000000 then
+  return -1
+endi
+if $data15 != 2.000000000 then
+  return -1
+endi
 
 
 #print =============== clear