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MDEV-16791 mariabackup : Support DDL commands during backup

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This commit is contained in:
Vladislav Vaintroub 2018-08-09 15:06:52 +01:00
commit 922e7badfc
26 changed files with 1074 additions and 80 deletions
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7
extra/mariabackup/backup_mysql.cc
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@ -1794,7 +1794,12 @@ mdl_lock_table(ulint space_id)
std::ostringstream lock_query;
lock_query << "SELECT 1 FROM " << full_table_name << " LIMIT 0";
msg_ts("Locking MDL for %s\n", full_table_name.c_str());
xb_mysql_query(mdl_con, lock_query.str().c_str(), false, true);
if (mysql_query(mdl_con, lock_query.str().c_str())) {
msg_ts("Warning : locking MDL failed for space id %zu, name %s\n", space_id, full_table_name.c_str());
} else {
MYSQL_RES *r = mysql_store_result(mdl_con);
mysql_free_result(r);
}
}
pthread_mutex_unlock(&mdl_lock_con_mutex);