Code optimization(discussed with Monty)

BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

BitKeeper/etc/logging_ok

@@ -59,6 +59,7 @@ gerberb@ou800.zenez.com
 gluh@eagle.intranet.mysql.r18.ru
 gluh@gluh.(none)
 gluh@gluh.mysql.r18.ru
+gluh@mysql.com
 gordon@zero.local.lan
 greg@gcw.ath.cx
 greg@mysql.com

sql/sql_show.cc

@@ -2334,25 +2334,13 @@ static int get_schema_column_record(THD *thd, struct st_table_list *tables,
                    "NO" : "YES");
       table->field[6]->store((const char*) pos,
                              strlen((const char*) pos), cs);
-
-      switch (field->type()) {
-      case FIELD_TYPE_TINY_BLOB:
-      case FIELD_TYPE_MEDIUM_BLOB:
-      case FIELD_TYPE_LONG_BLOB:
-      case FIELD_TYPE_BLOB:
-      case FIELD_TYPE_VAR_STRING:
-      case FIELD_TYPE_STRING:
       if (field->has_charset())
+      {
         table->field[8]->store((longlong) field->representation_length()/
                                field->charset()->mbmaxlen);
-        else
-          table->field[8]->store((longlong) field->representation_length());
         table->field[8]->set_notnull();
         table->field[9]->store((longlong) field->representation_length());
         table->field[9]->set_notnull();
-        break;
-      default:
-        break;
       }
 
       {