Bug #19024- SHOW COUNT(*) WARNINGS not return Errors

  
The server variable warning_count should include the number of warnings, errors and notes according to the manual


mysql-test/r/user_var.result:
  Added warning_count results.
mysql-test/t/user_var.test:
  Added test case for warning_count.
sql/set_var.cc:
  Added number errors to warning_count.

mysql-test/r/user_var.result

@@ -215,6 +215,7 @@ select @@version;
 select @@global.version;
 @@global.version
 #
+End of 4.1 tests
 set @first_var= NULL;
 create table t1 select @first_var;
 show create table t1;
@@ -301,3 +302,11 @@ select @var;
 @var
 3
 drop table t1;
+insert into city 'blah';
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''blah'' at line 1
+SHOW COUNT(*) WARNINGS;
+@@session.warning_count
+1
+SHOW COUNT(*) ERRORS;
+@@session.error_count
+1

mysql-test/t/user_var.test

@@ -144,6 +144,8 @@ select @@version;
 --replace_column 1 #
 select @@global.version;
 
+--echo End of 4.1 tests
+
 # Bug #6598: problem with cast(NULL as signed integer);
 #
 
@@ -210,4 +212,10 @@ select @var:=f2 from t1 group by f1 order by f2 desc limit 1;
 select @var;
 drop table t1;
 
-# End of 4.1 tests
+#
+# Bug#19024 - SHOW COUNT(*) WARNINGS not return Errors 
+#
+--error 1064
+insert into city 'blah';
+SHOW COUNT(*) WARNINGS;
+SHOW COUNT(*) ERRORS;

sql/set_var.cc

@@ -2917,6 +2917,7 @@ static byte *get_warning_count(THD *thd)
 {
   thd->sys_var_tmp.long_value=
     (thd->warn_count[(uint) MYSQL_ERROR::WARN_LEVEL_NOTE] +
+     thd->warn_count[(uint) MYSQL_ERROR::WARN_LEVEL_ERROR] +
      thd->warn_count[(uint) MYSQL_ERROR::WARN_LEVEL_WARN]);
   return (byte*) &thd->sys_var_tmp.long_value;
 }