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After merge fixes

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Better fix for ON DUPLICATE KEY UPDATE
This commit is contained in:
monty@mysql.com
2005-07-04 03:24:25 +03:00
parent 86d7b02199
commit 75ff7d8085
8 changed files with 283 additions and 289 deletions
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51
sql/sql_insert.cc
View File

@ -327,7 +327,7 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
thd->used_tables=0;
values= its++;
if (mysql_prepare_insert(thd, table_list, table_list, table, fields, values,
if (mysql_prepare_insert(thd, table_list, table, fields, values,
update_fields, update_values, duplic, &unused_conds,
FALSE))
goto abort;
@ -734,10 +734,6 @@ static bool mysql_prepare_insert_check_table(THD *thd, TABLE_LIST *table_list,
mysql_prepare_insert()
thd Thread handler
table_list Global/local table list
dup_table_list Tables to be used in ON DUPLICATE KEY
It's either all global tables or only the table we
insert into, depending on if we are using GROUP BY
in the SELECT clause).
table Table to insert into (can be NULL if table should
be taken from table_list->table)
where Where clause (for insert ... select)
@ -759,18 +755,17 @@ static bool mysql_prepare_insert_check_table(THD *thd, TABLE_LIST *table_list,
*/
bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
TABLE_LIST *dup_table_list, TABLE *table,
List<Item> &fields, List_item *values,
TABLE *table, List<Item> &fields, List_item *values,
List<Item> &update_fields, List<Item> &update_values,
enum_duplicates duplic,
COND **where, bool select_insert)
{
SELECT_LEX= &thd->lex->select_lex;
SELECT_LEX *select_lex= &thd->lex->select_lex;
TABLE_LIST *save_table_list;
TABLE_LIST *save_next_local;
bool insert_into_view= (table_list->view != 0);
bool save_resolve_in_select_list;
bool res;
bool res= 0;
DBUG_ENTER("mysql_prepare_insert");
DBUG_PRINT("enter", ("table_list 0x%lx, table 0x%lx, view %d",
(ulong)table_list, (ulong)table,
@ -815,15 +810,23 @@ bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
select_lex->context.resolve_in_table_list_only(table_list);
if ((values && check_insert_fields(thd, table_list, fields, *values,
!insert_into_view)) ||
(values && setup_fields(thd, 0, *values, 0, 0, 0)) ||
setup_fields(thd, 0, update_values, 1, 0, 0))
(values && setup_fields(thd, 0, *values, 0, 0, 0)))
res= TRUE;
else if (duplic == DUP_UPDATE)
{
select_lex->context.resolve_in_table_list_only(dup_table_list);
select_lex->no_wrap_view_item= TRUE;
res= check_update_fields(thd, table_list, update_fields);
select_lex->no_wrap_view_item= FALSE;
if (select_lex->group_list.elements == 0)
{
/*
When we are not using GROUP BY we can refer to other tables in the
ON DUPLICATE KEY part
*/
table_list->next_local= save_next_local;
}
if (!res)
res= setup_fields(thd, 0, update_values, 1, 0, 0);
}
table_list->next_local= save_next_local;
select_lex->context.table_list= save_table_list;
@ -2013,8 +2016,8 @@ bool delayed_insert::handle_inserts(void)
bool mysql_insert_select_prepare(THD *thd)
{
LEX *lex= thd->lex;
SELECT_LEX *select_lex= &lex->select_lex;
TABLE_LIST *first_select_leaf_table;
TABLE_LIST dup_tables;
DBUG_ENTER("mysql_insert_select_prepare");
/*
@ -2022,38 +2025,28 @@ bool mysql_insert_select_prepare(THD *thd)
clause if table is VIEW
*/
dup_tables= *lex->query_tables;
if (lex->select_lex->group_list.elements != 0)
{
/*
When we are using GROUP BY we can't refere to other tables in the
ON DUPLICATE KEY part
*/
dup_tables.local_next= 0;
}
if (mysql_prepare_insert(thd, lex->query_tables, &dup_tables
if (mysql_prepare_insert(thd, lex->query_tables,
lex->query_tables->table, lex->field_list, 0,
lex->update_list, lex->value_list,
lex->duplicates,
&lex->select_lex.where, TRUE))
&select_lex->where, TRUE))
DBUG_RETURN(TRUE);
/*
exclude first table from leaf tables list, because it belong to
INSERT
*/
DBUG_ASSERT(lex->select_lex.leaf_tables != 0);
lex->leaf_tables_insert= lex->select_lex.leaf_tables;
DBUG_ASSERT(select_lex->leaf_tables != 0);
lex->leaf_tables_insert= select_lex->leaf_tables;
/* skip all leaf tables belonged to view where we are insert */
for (first_select_leaf_table= lex->select_lex.leaf_tables->next_leaf;
for (first_select_leaf_table= select_lex->leaf_tables->next_leaf;
first_select_leaf_table &&
first_select_leaf_table->belong_to_view &&
first_select_leaf_table->belong_to_view ==
lex->leaf_tables_insert->belong_to_view;
first_select_leaf_table= first_select_leaf_table->next_leaf)
{}
lex->select_lex.leaf_tables= first_select_leaf_table;
select_lex->leaf_tables= first_select_leaf_table;
DBUG_RETURN(FALSE);
}