diff options
Diffstat (limited to 'sql/sql_alter.cc')
| -rw-r--r-- | sql/sql_alter.cc | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/sql/sql_alter.cc b/sql/sql_alter.cc index bf78bd12192..a96b0a5a32b 100644 --- a/sql/sql_alter.cc +++ b/sql/sql_alter.cc @@ -1,5 +1,5 @@ /* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. - Copyright (c) 2016, MariaDB Corporation + Copyright (c) 2016, 2018, MariaDB Corporation This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -209,6 +209,35 @@ bool Alter_info::supports_lock(THD *thd, enum_alter_inplace_result result, return false; } +bool Alter_info::vers_prohibited(THD *thd) const +{ + if (thd->slave_thread || + thd->variables.vers_alter_history != VERS_ALTER_HISTORY_ERROR) + { + return false; + } + if (flags & ( + ALTER_PARSER_ADD_COLUMN | + ALTER_PARSER_DROP_COLUMN | + ALTER_CHANGE_COLUMN | + ALTER_COLUMN_ORDER)) + { + return true; + } + if (flags & ALTER_ADD_INDEX) + { + List_iterator_fast<Key> key_it(const_cast<List<Key> &>(key_list)); + Key *key; + while ((key= key_it++)) + { + if (key->type == Key::PRIMARY || key->type == Key::UNIQUE) + return true; + } + } + return false; +} + + Alter_table_ctx::Alter_table_ctx() : datetime_field(NULL), error_if_not_empty(false), tables_opened(0), |