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SQL: delete from VIEW [fixes #291]

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This commit is contained in:
Aleksey Midenkov
2017-10-22 22:20:43 +03:00
parent c9520cb0c4
commit d70bb5e64e
3 changed files with 57 additions and 23 deletions
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7
sql/sql_delete.cc
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@ -220,7 +220,12 @@ static bool record_should_be_deleted(THD *thd, TABLE *table, SQL_SELECT *sel,
if (table->versioned())
{
bool row_is_alive= table->vers_end_field()->is_max();
if (table->pos_in_table_list->vers_conditions ? row_is_alive : !row_is_alive)
/* If we are doing TRUNCATE TABLE with SYSTEM_TIME condition then historical
record is deleted and current record is kept. Otherwise alive record is
deleted and historical record is kept. */
if ((thd->lex->sql_command == SQLCOM_TRUNCATE && table->pos_in_table_list->vers_conditions)
? row_is_alive
: !row_is_alive)
return false;
}