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MDEV-11240: Server crashes in check_view_single_update or Assertion `derived->table' failed in mysql_derived_merge_for_insert

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Before "merge" view shoud be inited to maintaing transitive attributes like "multitable".
This commit is contained in:
Oleksandr Byelkin
2017-08-16 19:18:39 +02:00
committed by Sergei Golubchik
parent cb1e76e4de
commit c548fb0667
3 changed files with 3 additions and 9 deletions
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4
sql/sql_derived.cc
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@ -520,6 +520,8 @@ bool mysql_derived_merge_for_insert(THD *thd, LEX *lex, TABLE_LIST *derived)
derived->merge_underlying_list != 0));
if (derived->merged_for_insert)
DBUG_RETURN(FALSE);
if (derived->init_derived(thd, FALSE))
DBUG_RETURN(TRUE);
if (derived->is_materialized_derived())
DBUG_RETURN(mysql_derived_prepare(thd, lex, derived));
if ((thd->lex->sql_command == SQLCOM_UPDATE_MULTI ||
@ -537,8 +539,6 @@ bool mysql_derived_merge_for_insert(THD *thd, LEX *lex, TABLE_LIST *derived)
DBUG_ASSERT(derived->table);
}
}
else
derived->table= derived->merge_underlying_list->table;
DBUG_RETURN(FALSE);
}