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Automatic repair of MyISAM tables + portability fixes

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This commit is contained in:
monty@tik.mysql.com
2000-10-11 00:06:37 +03:00
parent 16f11f94b2
commit 09dce662e2
27 changed files with 370 additions and 181 deletions
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98
sql/sql_table.cc
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@ -745,61 +745,61 @@ static int prepare_for_restore(THD* thd, TABLE_LIST* table)
{
String *packet = &thd->packet;
if(table->table) // do not overwrite existing tables on restore
if (table->table) // do not overwrite existing tables on restore
{
return send_check_errmsg(thd, table, "restore",
"table exists, will not overwrite on restore"
);
}
else
{
char* backup_dir = thd->lex.backup_dir;
char src_path[FN_REFLEN], dst_path[FN_REFLEN];
char* table_name = table->name;
char* db = thd->db ? thd->db : table->db;
if (!fn_format(src_path, table_name, backup_dir, reg_ext, 4 + 64))
return -1; // protect buffer overflow
sprintf(dst_path, "%s/%s/%s", mysql_real_data_home, db, table_name);
int lock_retcode;
pthread_mutex_lock(&LOCK_open);
if ((lock_retcode = lock_table_name(thd, table)) < 0)
{
pthread_mutex_unlock(&LOCK_open);
return -1;
}
if (lock_retcode && wait_for_locked_table_names(thd, table))
{
pthread_mutex_unlock(&LOCK_open);
return -1;
}
pthread_mutex_unlock(&LOCK_open);
if (my_copy(src_path,
fn_format(dst_path, dst_path,"",
reg_ext, 4),
MYF(MY_WME)))
{
return send_check_errmsg(thd, table, "restore",
"table exists, will not overwrite on restore"
);
"Failed copying .frm file");
}
else
bool save_no_send_ok = thd->net.no_send_ok;
thd->net.no_send_ok = 1;
// generate table will try to send OK which messes up the output
// for the client
if (generate_table(thd, table, 0))
{
char* backup_dir = thd->lex.backup_dir;
char src_path[FN_REFLEN], dst_path[FN_REFLEN];
char* table_name = table->name;
char* db = thd->db ? thd->db : table->db;
if(!fn_format(src_path, table_name, backup_dir, reg_ext, 4 + 64))
return -1; // protect buffer overflow
sprintf(dst_path, "%s/%s/%s", mysql_real_data_home, db, table_name);
int lock_retcode;
pthread_mutex_lock(&LOCK_open);
if((lock_retcode = lock_table_name(thd, table)) < 0)
{
pthread_mutex_unlock(&LOCK_open);
return -1;
}
if(lock_retcode && wait_for_locked_table_names(thd, table))
{
pthread_mutex_unlock(&LOCK_open);
return -1;
}
pthread_mutex_unlock(&LOCK_open);
if(my_copy(src_path,
fn_format(dst_path, dst_path,"",
reg_ext, 4),
MYF(MY_WME)))
{
return send_check_errmsg(thd, table, "restore",
"Failed copying .frm file");
}
bool save_no_send_ok = thd->net.no_send_ok;
thd->net.no_send_ok = 1;
// generate table will try to send OK which messes up the output
// for the client
if(generate_table(thd, table, 0))
{
thd->net.no_send_ok = save_no_send_ok;
return send_check_errmsg(thd, table, "restore",
"Failed generating table from .frm file");
}
thd->net.no_send_ok = save_no_send_ok;
return send_check_errmsg(thd, table, "restore",
"Failed generating table from .frm file");
}
thd->net.no_send_ok = save_no_send_ok;
}
return 0;
}