1 /* 2 Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License, version 2.0, 6 as published by the Free Software Foundation. 7 8 This program is also distributed with certain software (including 9 but not limited to OpenSSL) that is licensed under separate terms, 10 as designated in a particular file or component or in included license 11 documentation. The authors of MySQL hereby grant you an additional 12 permission to link the program and your derivative works with the 13 separately licensed software that they have included with MySQL. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License, version 2.0, for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 23 */ 24 25 #ifndef NDB_LOCAL_SCHEMA_H 26 #define NDB_LOCAL_SCHEMA_H 27 28 class Ndb_local_schema 29 { 30 /* 31 Base functionality for working with local schema 32 objects like tables, triggers and databases 33 */ 34 class Base { 35 bool m_have_mdl_lock; 36 bool m_push_warnings; 37 38 bool mdl_try_lock(void) const; 39 void mdl_unlock(void); 40 41 protected: 42 class THD* m_thd; 43 const char* m_db; 44 const char* m_name; 45 46 void log_warning(const char* fmt, ...) const; 47 48 Base(); // Not implemented 49 Base(const Base&); // Not implemented 50 Base(class THD* thd, const char* db, const char* name); 51 ~Base(); 52 have_mdl_lock(void)53 bool have_mdl_lock(void) const { return m_have_mdl_lock; } 54 }; 55 56 public: 57 58 /* 59 Class used for working with a table in the 60 local MySQL Servers "dictionary" 61 */ 62 63 class Table : protected Base 64 { 65 bool m_frm_file_exist; 66 bool m_ndb_file_exist; 67 bool m_has_triggers; 68 69 bool file_exists(const char* ext) const; 70 bool remove_file(const char* ext) const; 71 bool rename_file(const char* new_db, const char* new_name, 72 const char* ext) const; 73 74 // Read the engine type from .frm and return true if it says NDB 75 bool frm_engine_is_ndb(void) const; 76 77 public: 78 Table(); // Not implemented 79 Table(const Table&); // Not implemented 80 Table(class THD* thd, const char* db, const char* name); 81 82 bool is_local_table(void) const; 83 void remove_table(void) const; 84 void rename_table(const char* new_db, const char* new_name) const; 85 }; 86 }; 87 88 #endif 89