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Merge 10.4 into 10.5

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This commit is contained in:
Marko Mäkelä
2021-09-24 08:42:23 +03:00
parent f5794e1dc6 913efaa328
commit 7e2b42324c
38 changed files with 768 additions and 603 deletions
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10
sql/sql_delete.cc
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@ -620,14 +620,18 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
if (!table->check_virtual_columns_marked_for_read())
{
DBUG_PRINT("info", ("Trying direct delete"));
if (select && select->cond &&
(select->cond->used_tables() == table->map))
bool use_direct_delete= !select || !select->cond;
if (!use_direct_delete &&
(select->cond->used_tables() & ~RAND_TABLE_BIT) == table->map)
{
DBUG_ASSERT(!table->file->pushed_cond);
if (!table->file->cond_push(select->cond))
{
use_direct_delete= TRUE;
table->file->pushed_cond= select->cond;
}
}
if (!table->file->direct_delete_rows_init())
if (use_direct_delete && !table->file->direct_delete_rows_init())
{
/* Direct deleting is supported */
DBUG_PRINT("info", ("Using direct delete"));