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MDEV-25474 Background thread returns uninitialized statistics

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to mysql interpreter

InnoDB returns uninitialized statistics to mysql interpreter
when background thread is opening the table. So it leads to
assertion failure. In that case, InnoDB avoid sending
innodb statistics information to mysql interpreter.
This commit is contained in:
Thirunarayanan Balathandayuthapani 2021-04-21 21:12:33 +05:30
parent 64eeb250eb
commit fb96ac0a49
1 changed files with 6 additions and 2 deletions
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8
storage/innobase/handler/ha_innodb.cc
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@ -6261,9 +6261,10 @@ no_such_table:
innobase_copy_frm_flags_from_table_share(ib_table, table->s);
const bool bk_thread = THDVAR(thd, background_thread);
/* No point to init any statistics if tablespace is still encrypted
or if table is being opened by background thread */
if (THDVAR(thd, background_thread)) {
if (bk_thread) {
} else if (ib_table->is_readable()) {
dict_stats_init(ib_table);
} else {
@ -6515,7 +6516,10 @@ no_such_table:
}
}
info(HA_STATUS_NO_LOCK | HA_STATUS_VARIABLE | HA_STATUS_CONST);
if (!bk_thread) {
info(HA_STATUS_NO_LOCK | HA_STATUS_VARIABLE | HA_STATUS_CONST);
}
DBUG_RETURN(0);
}