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MDEV-22424 Server crashes in handler::check_duplicate_long_entry_key or Assertion `inited == NONE || lookup_handler != this' failed upon DELETE FOR PORTION on table with long unique key

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even if we're *allowed to* convert DELETE .. FOR PERIOD OF
into an update internally, doesn't think we'll *be able to*.

We always have to prepare for insert.
This commit is contained in:
Sergei Golubchik
2020-05-04 11:32:08 +02:00
parent 18502f99eb
commit 937dfb74cb
3 changed files with 13 additions and 2 deletions
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3
sql/sql_delete.cc
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@ -753,8 +753,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
&& !table->versioned()
&& table->file->has_transactions();
if (table->versioned(VERS_TIMESTAMP) ||
(table_list->has_period() && !portion_of_time_through_update))
if (table->versioned(VERS_TIMESTAMP) || (table_list->has_period()))
table->file->prepare_for_insert(1);
DBUG_ASSERT(table->file->inited != handler::NONE);