From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:07:14 +0200 Subject: Adding upstream version 1:10.5.12. Signed-off-by: Daniel Baumann --- storage/perfschema/cursor_by_host.cc | 82 ++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 storage/perfschema/cursor_by_host.cc (limited to 'storage/perfschema/cursor_by_host.cc') diff --git a/storage/perfschema/cursor_by_host.cc b/storage/perfschema/cursor_by_host.cc new file mode 100644 index 00000000..6aa3423c --- /dev/null +++ b/storage/perfschema/cursor_by_host.cc @@ -0,0 +1,82 @@ +/* Copyright (c) 2011, 2015, 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, version 2.0, + as published by the Free Software Foundation. + + This program is also distributed with certain software (including + but not limited to OpenSSL) that is licensed under separate terms, + as designated in a particular file or component or in included license + documentation. The authors of MySQL hereby grant you an additional + permission to link the program and your derivative works with the + separately licensed software that they have included with MySQL. + + 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, version 2.0, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +/** + @file storage/perfschema/cursor_by_host.cc + Cursor CURSOR_BY_HOST (implementation). +*/ + +#include "my_global.h" +#include "cursor_by_host.h" +#include "pfs_buffer_container.h" + +ha_rows +cursor_by_host::get_row_count(void) +{ + return global_host_container.get_row_count(); +} + +cursor_by_host::cursor_by_host(const PFS_engine_table_share *share) + : PFS_engine_table(share, &m_pos), + m_pos(0), m_next_pos(0) +{} + +void cursor_by_host::reset_position(void) +{ + m_pos.m_index= 0; + m_next_pos.m_index= 0; +} + +int cursor_by_host::rnd_next(void) +{ + PFS_host *pfs; + + m_pos.set_at(&m_next_pos); + PFS_host_iterator it= global_host_container.iterate(m_pos.m_index); + pfs= it.scan_next(& m_pos.m_index); + if (pfs != NULL) + { + make_row(pfs); + m_next_pos.set_after(&m_pos); + return 0; + } + + return HA_ERR_END_OF_FILE; +} + +int +cursor_by_host::rnd_pos(const void *pos) +{ + PFS_host *pfs; + + set_position(pos); + + pfs= global_host_container.get(m_pos.m_index); + if (pfs != NULL) + { + make_row(pfs); + return 0; + } + + return HA_ERR_RECORD_DELETED; +} + -- cgit v1.2.3