diff options
Diffstat (limited to 'sql/sql_alter.cc')
| -rw-r--r-- | sql/sql_alter.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sql/sql_alter.cc b/sql/sql_alter.cc index 0de39e4970f..b3a036eda9e 100644 --- a/sql/sql_alter.cc +++ b/sql/sql_alter.cc @@ -359,6 +359,18 @@ bool Sql_cmd_alter_table::execute(THD *thd) SELECT_LEX *select_lex= &lex->select_lex; /* first table of first SELECT_LEX */ TABLE_LIST *first_table= (TABLE_LIST*) select_lex->table_list.first; + + const bool used_engine= lex->create_info.used_fields & HA_CREATE_USED_ENGINE; + DBUG_ASSERT((m_storage_engine_name.str != NULL) == used_engine); + if (used_engine) + { + if (resolve_storage_engine_with_error(thd, &lex->create_info.db_type, + lex->create_info.tmp_table())) + return true; // Engine not found, substitution is not allowed + if (!lex->create_info.db_type) // Not found, but substitution is allowed + lex->create_info.used_fields&= ~HA_CREATE_USED_ENGINE; + } + /* Code in mysql_alter_table() may modify its HA_CREATE_INFO argument, so we have to use a copy of this structure to make execution |