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MDEV-15551 Server hangs or assertion `strcmp(share->unique_file_name,filename) || share->last_version' fails in test_if_reopen or unexpected ER_LOCK_DEADLOCK

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only use HA_EXTRA_PREPARE_FOR_DROP when the table is going to be dropped
This commit is contained in:
Sergei Golubchik
2018-07-16 15:12:38 +02:00
parent 5c744bb535
commit d57ddaa190
3 changed files with 19 additions and 1 deletions
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3
sql/sql_truncate.cc
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@ -400,7 +400,8 @@ bool Sql_cmd_truncate_table::lock_table(THD *thd, TABLE_LIST *table_ref,
{
DEBUG_SYNC(thd, "upgrade_lock_for_truncate");
/* To remove the table from the cache we need an exclusive lock. */
if (wait_while_table_is_used(thd, table, HA_EXTRA_PREPARE_FOR_DROP))
if (wait_while_table_is_used(thd, table,
*hton_can_recreate ? HA_EXTRA_PREPARE_FOR_DROP : HA_EXTRA_NOT_USED))
DBUG_RETURN(TRUE);
m_ticket_downgrade= table->mdl_ticket;
/* Close if table is going to be recreated. */