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authorDaniel Black <daniel@mariadb.org>2021-01-22 16:03:07 +1100
committerDaniel Black <daniel@mariadb.org>2021-01-25 17:58:36 +1100
commitc58d2c941c49550a85d610b1ad7b51cf0d4cd8db (patch)
tree981befc05df067e2e6959ef9eee607307d48ba31 /client
parent1a99958545f923f39344abe8b57bc80a2072510d (diff)
downloadmariadb-git-c58d2c941c49550a85d610b1ad7b51cf0d4cd8db.tar.gz
MDEV-20939: Race condition between mysqldump import and InnoDB persistent
statistics calculation mysqldump --system=stats and --system=timezones by default used ordinary INSERT statements populate EITS, innodb stats, and timezone tables. As these all have primary keys it could result in conflict. The behavior desired with --system= is to replace the tables. As such we assume --replace for the purposes of stats and timezone tables there if --insert-ignore isn't specified.
Diffstat (limited to 'client')
-rw-r--r--client/mysqldump.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/client/mysqldump.c b/client/mysqldump.c
index 96bfd754d42..2eaec829867 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -4640,7 +4640,7 @@ static int dump_all_servers()
static int dump_all_stats()
{
- my_bool prev_no_create_info;
+ my_bool prev_no_create_info, prev_opt_replace_into;
if (mysql_select_db(mysql, "mysql"))
{
@@ -4648,6 +4648,8 @@ static int dump_all_stats()
return 1; /* If --force */
}
fprintf(md_result_file,"\nUSE mysql;\n");
+ prev_opt_replace_into= opt_replace_into;
+ opt_replace_into|= !opt_ignore;
prev_no_create_info= opt_no_create_info;
opt_no_create_info= 1; /* don't overwrite recreate tables */
/* EITS added in 10.0.1 */
@@ -4666,6 +4668,7 @@ static int dump_all_stats()
dump_table("innodb_table_stats", "mysql", NULL, 0);
}
opt_no_create_info= prev_no_create_info;
+ opt_replace_into= prev_opt_replace_into;
return 0;
}
@@ -4676,12 +4679,14 @@ static int dump_all_stats()
static int dump_all_timezones()
{
- my_bool opt_prev_no_create_info;
+ my_bool opt_prev_no_create_info, opt_prev_replace_into;
if (mysql_select_db(mysql, "mysql"))
{
DB_error(mysql, "when selecting the database");
return 1; /* If --force */
}
+ opt_prev_replace_into= opt_replace_into;
+ opt_replace_into|= !opt_ignore;
opt_prev_no_create_info= opt_no_create_info;
opt_no_create_info= 1;
fprintf(md_result_file,"\nUSE mysql;\n");
@@ -4691,6 +4696,7 @@ static int dump_all_timezones()
dump_table("time_zone_transition", "mysql", NULL, 0);
dump_table("time_zone_transition_type", "mysql", NULL, 0);
opt_no_create_info= opt_prev_no_create_info;
+ opt_replace_into= opt_prev_replace_into;
return 0;
}