New tests on errors added. Comments corrected. Some procedures corrected.

mysql-test/r/table_value_constr.result

@@ -1630,4 +1630,22 @@ ANALYZE
     }
   }
 }
+# different number of values in TVC
+values (1,2),(3,4,5);
+ERROR HY000: The used table value constructor has a different number of values
+# subquery that uses VALUES structure(s)
+select * from t1
+where a in (values (1));
+ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
+select * from t1
+where a in (select 2 union values (1));
+ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
+select * from t1
+where a in (values (1) union select 2);
+ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
+# illegal parameter data types in TVC
+values (1,point(1,1)),(1,1);
+ERROR HY000: Illegal parameter data types geometry and int for operation 'TABLE VALUE CONSTRUCTOR'
+values (1,point(1,1)+1);
+ERROR HY000: Illegal parameter data types geometry and int for operation '+'
 drop table t1;

mysql-test/t/table_value_constr.test

@@ -852,4 +852,25 @@ values (3,4)
 union all
 values (1,2);
 
+--echo # different number of values in TVC
+--error ER_WRONG_NUMBER_OF_VALUES_IN_TVC
+values (1,2),(3,4,5);
+
+--echo # subquery that uses VALUES structure(s)
+--error ER_TVC_IN_SUBQUERY
+select * from t1
+where a in (values (1));
+--error ER_TVC_IN_SUBQUERY
+select * from t1
+where a in (select 2 union values (1));
+--error ER_TVC_IN_SUBQUERY
+select * from t1
+where a in (values (1) union select 2);
+
+--echo # illegal parameter data types in TVC
+--error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
+values (1,point(1,1)),(1,1);
+--error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
+values (1,point(1,1)+1);
+
 drop table t1;
\ No newline at end of file

sql/item_subselect.cc

@@ -265,13 +265,15 @@ bool Item_subselect::fix_fields(THD *thd_param, Item **ref)
   if (check_stack_overrun(thd, STACK_MIN_SIZE, (uchar*)&res))
     return TRUE;
   
-  if (unit->first_select() &&
-      unit->first_select()->tvc)
+  for (SELECT_LEX *sl= unit->first_select(); sl; sl= sl->next_select())
+  {
+    if (sl->tvc)
     {
-    my_error(ER_NO_TVC_IN_SUBQUERY, MYF(0));
+      my_error(ER_TVC_IN_SUBQUERY, MYF(0));
       res= 1;
       goto end;
     }
+  }
   
   if (!(res= engine->prepare(thd)))
   {

sql/share/errmsg-utf8.txt

@@ -7492,7 +7492,5 @@ ER_SP_STACK_TRACE
         eng "At line %u in %s"
 ER_WRONG_NUMBER_OF_VALUES_IN_TVC
         eng "The used table value constructor has a different number of values"
-ER_UNKNOWN_VALUE_IN_TVC
-        eng "Unknown value '%d' in table values constructor definition"
-ER_NO_TVC_IN_SUBQUERY
+ER_TVC_IN_SUBQUERY
+	eng "Table value constructor can't be used as specification of subquery isn't implemented yet"
\ No newline at end of file
-	eng "The usage of table value constructor as specification of subselect isn't implemented yet"
\ No newline at end of file