From 3f619478f796eddbba6e39502fe941b285dd97b1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:00:34 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- storage/myisammrg/myrg_close.c | 68 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 storage/myisammrg/myrg_close.c (limited to 'storage/myisammrg/myrg_close.c') diff --git a/storage/myisammrg/myrg_close.c b/storage/myisammrg/myrg_close.c new file mode 100644 index 00000000..636382f9 --- /dev/null +++ b/storage/myisammrg/myrg_close.c @@ -0,0 +1,68 @@ +/* Copyright (c) 2000, 2010, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* close a isam-database */ + +#include "myrg_def.h" + +int myrg_close(MYRG_INFO *info) +{ + int error=0,new_error; + MYRG_TABLE *file; + DBUG_ENTER("myrg_close"); + + /* + Assume that info->children_attached means that this is called from + direct use of MERGE, not from a MySQL server. In this case the + children must be closed and info->rec_per_key_part is part of the + 'info' multi_alloc. + If info->children_attached is false, this is called from a MySQL + server. Children are closed independently but info->rec_per_key_part + must be freed. + Just in case of a server panic (myrg_panic()) info->children_attached + might be true. We would close the children though they should be + closed independently and info->rec_per_key_part is not freed. + This should be acceptable for a panic. + In case of a MySQL server and no children, children_attached is + always true. In this case no rec_per_key_part has been allocated. + So it is correct to use the branch where an empty list of tables is + (not) closed. + */ + if (info->children_attached) + { + for (file= info->open_tables; file != info->end_table; file++) + { + /* purecov: begin inspected */ + if ((new_error= mi_close(file->table))) + error= new_error; + else + file->table= NULL; + /* purecov: end */ + } + } + else + my_free(info->rec_per_key_part); + delete_queue(&info->by_key); + mysql_mutex_lock(&THR_LOCK_open); + myrg_open_list=list_delete(myrg_open_list,&info->open_list); + mysql_mutex_unlock(&THR_LOCK_open); + mysql_mutex_destroy(&info->mutex); + my_free(info); + if (error) + { + DBUG_RETURN(my_errno=error); + } + DBUG_RETURN(0); +} -- cgit v1.2.3