88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
/* Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/* Create a MYMERGE_-file */
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#include <fcntl.h>
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#include <sys/types.h>
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#include "my_dbug.h"
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#include "my_inttypes.h"
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#include "my_io.h"
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#include "my_thread_local.h"
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#include "mysql/psi/mysql_file.h"
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#include "storage/myisammrg/myrg_def.h"
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#include "typelib.h"
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/* create file named 'name' and save filenames in it
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table_names should be NULL or a vector of string-pointers with
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a NULL-pointer last
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*/
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int myrg_create(const char *name, const char **table_names, uint insert_method,
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bool fix_names) {
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int save_errno;
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uint errpos;
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File file;
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char buff[FN_REFLEN], *end;
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DBUG_TRACE;
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errpos = 0;
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if ((file = mysql_file_create(rg_key_file_MRG,
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fn_format(buff, name, "", MYRG_NAME_EXT,
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MY_UNPACK_FILENAME | MY_APPEND_EXT),
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0, O_RDWR | O_EXCL | O_NOFOLLOW, MYF(MY_WME))) <
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0)
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goto err;
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errpos = 1;
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if (table_names) {
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for (; *table_names; table_names++) {
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my_stpcpy(buff, *table_names);
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if (fix_names) fn_same(buff, name, 4);
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*(end = strend(buff)) = '\n';
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end[1] = 0;
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if (mysql_file_write(file, (uchar *)buff, (uint)(end - buff + 1),
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MYF(MY_WME | MY_NABP)))
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goto err;
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}
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}
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if (insert_method != MERGE_INSERT_DISABLED) {
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end =
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strxmov(buff, "#INSERT_METHOD=",
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get_type(&merge_insert_method, insert_method - 1), "\n", NullS);
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if (mysql_file_write(file, (uchar *)buff, (uint)(end - buff),
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MYF(MY_WME | MY_NABP)))
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goto err;
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}
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if (mysql_file_close(file, MYF(0))) goto err;
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return 0;
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err:
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save_errno = my_errno() ? my_errno() : -1;
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switch (errpos) {
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case 1:
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(void)mysql_file_close(file, MYF(0));
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}
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set_my_errno(save_errno);
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return save_errno;
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} /* myrg_create */
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