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Diffstat (limited to 'storage/perfschema/cursor_by_user.h')
-rw-r--r-- | storage/perfschema/cursor_by_user.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/storage/perfschema/cursor_by_user.h b/storage/perfschema/cursor_by_user.h new file mode 100644 index 00000000000..c4f9cabc2dd --- /dev/null +++ b/storage/perfschema/cursor_by_user.h @@ -0,0 +1,59 @@ +/* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + + 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 + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#ifndef CURSOR_BY_USER_H +#define CURSOR_BY_USER_H + +/** + @file storage/perfschema/cursor_by_user.h + Cursor CURSOR_BY_USER (declarations). +*/ + +#include "pfs_engine_table.h" +#include "pfs_user.h" +#include "table_helper.h" + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** Cursor CURSOR_BY_USER. */ +class cursor_by_user : public PFS_engine_table +{ +public: + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +protected: + cursor_by_user(const PFS_engine_table_share *share); + +public: + ~cursor_by_user() + {} + +protected: + virtual void make_row(PFS_user *user)= 0; + +private: + /** Current position. */ + PFS_simple_index m_pos; + /** Next position. */ + PFS_simple_index m_next_pos; +}; + +/** @} */ +#endif |