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outer references in subqueries in INSERT

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remove inconsistent limitation
This commit is contained in:
Sergei Golubchik
2019-09-24 19:47:45 +02:00
parent 173ae63114
commit c7320830a6
10 changed files with 29 additions and 33 deletions
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19
sql/sql_insert.cc
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@ -1512,25 +1512,6 @@ bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
DBUG_RETURN(TRUE);
if (thd->lex->handle_list_of_derived(table_list, DT_PREPARE))
DBUG_RETURN(TRUE);
/*
For subqueries in VALUES() we should not see the table in which we are
inserting (for INSERT ... SELECT this is done by changing table_list,
because INSERT ... SELECT share SELECT_LEX it with SELECT.
*/
if (!select_insert)
{
for (SELECT_LEX_UNIT *un= select_lex->first_inner_unit();
un;
un= un->next_unit())
{
for (SELECT_LEX *sl= un->first_select();
sl;
sl= sl->next_select())
{
sl->context.outer_context= 0;
}
}
}
if (duplic == DUP_UPDATE)
{