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cleanup: remove TABLE::vcol_set

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use a read_set instead. a bit in the read_set means "the field
value is needed" (read or generated, whatever it takes).
This commit is contained in:
Sergei Golubchik
2018-06-01 16:59:21 +02:00
parent ac9cc63892
commit 45dee3fc83
22 changed files with 95 additions and 219 deletions
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13
sql/sql_update.cc
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@ -2536,17 +2536,10 @@ int multi_update::do_updates()
not its dependencies
*/
while(TABLE *tbl= check_opt_it++)
{
if (tbl->vcol_set)
{
bitmap_clear_all(tbl->vcol_set);
for (Field **vf= tbl->vfield; *vf; vf++)
{
if (Field **vf= tbl->vfield)
for (; *vf; vf++)
if (bitmap_is_set(tbl->read_set, (*vf)->field_index))
tbl->mark_virtual_col(*vf);
}
}
}
(*vf)->vcol_info->expr->walk(&Item::register_field_in_read_map, 1, 0);
for (cur_table= update_tables; cur_table; cur_table= cur_table->next_local)
{