Move handler specific options into handlerton flag check

BUG#13108


mysql-test/r/federated.result:
  added test results for federated alter table
mysql-test/t/federated.test:
  added test for federated alter table
sql/examples/ha_example.cc:
  supports table re-creation
sql/examples/ha_tina.cc:
  supports table re-creation
sql/ha_blackhole.cc:
  supports table re-creation
sql/ha_federated.cc:
  added flag for not supporting alter
sql/ha_heap.cc:
  supports table recreation
sql/ha_myisam.cc:
  supports table recreation
sql/ha_myisammrg.cc:
  supports table re-creation
sql/handler.cc:
  implemented flag check function
sql/handler.h:
  added additional handlerton flags
  created a function to test flags
  replace ha_supports_generate macro with call to flag check
sql/sql_delete.cc:
  replaced ha_supports_generate with handlerton flag check
sql/sql_table.cc:
  added check for handlerton check for alter support

1 files changed, 3 insertions, 2 deletions

diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index 4001a51f459..d9734b7cae8 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -787,7 +787,7 @@ bool mysql_truncate(THD *thd, TABLE_LIST *table_list, bool dont_send_ok)
     TABLE *table= *table_ptr;
     table->file->info(HA_STATUS_AUTO | HA_STATUS_NO_LOCK);
     db_type table_type= table->s->db_type;
-    if (!ha_supports_generate(table_type))
+    if (!ha_check_storage_engine_flag(table_type, HTON_CAN_RECREATE))
       goto trunc_by_del;
     strmov(path, table->s->path);
     *table_ptr= table->next;			// Unlink table from list
@@ -818,7 +818,8 @@ bool mysql_truncate(THD *thd, TABLE_LIST *table_list, bool dont_send_ok)
                table_list->db, table_list->table_name);
       DBUG_RETURN(TRUE);
     }
-    if (!ha_supports_generate(table_type) || thd->lex->sphead)
+    if (!ha_check_storage_engine_flag(table_type, HTON_CAN_RECREATE)
+        || thd->lex->sphead)
       goto trunc_by_del;
     if (lock_and_wait_for_table_name(thd, table_list))
       DBUG_RETURN(TRUE);