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Better bug fix for:

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#9728  'Decreased functionality in "on duplicate key update
#8147  'a column proclaimed ambigous in INSERT ... SELECT .. ON DUPLICATE'

This ensures fields are uniquely qualified and also that one can't update other tables in the ON DUPLICATE KEY UPDATE part
This commit is contained in:
monty@mishka.local
2005-06-27 16:46:41 +03:00
parent d0700b819e
commit 83f90e060e
14 changed files with 123 additions and 78 deletions
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42
sql/sql_parse.cc
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@@ -1943,10 +1943,10 @@ mysql_execute_command(THD *thd)
if (tables || &lex->select_lex != lex->all_selects_list)
mysql_reset_errors(thd);
/*
When subselects or time_zone info is used in a query
we create a new TABLE_LIST containing all referenced tables
and set local variable 'tables' to point to this list.
/*
When subselects or time_zone info is used in a query
we create a new TABLE_LIST containing all referenced tables
and set local variable 'tables' to point to this list.
*/
if ((&lex->select_lex != lex->all_selects_list ||
lex->time_zone_tables_used) &&
@@ -2831,6 +2831,8 @@ unsent_create_error:
case SQLCOM_INSERT_SELECT:
{
TABLE_LIST *first_local_table= (TABLE_LIST *) select_lex->table_list.first;
TABLE_LIST dup_tables;
TABLE *insert_table;
if ((res= insert_precheck(thd, tables)))
break;
@@ -2856,14 +2858,27 @@ unsent_create_error:
if ((res= open_and_lock_tables(thd, tables)))
break;
insert_table= tables->table;
/* Skip first table, which is the table we are inserting in */
select_lex->table_list.first= (byte*) first_local_table->next;
if (!(res= mysql_prepare_insert(thd, tables, first_local_table,
tables->table, lex->field_list, 0,
tables= (TABLE_LIST *) select_lex->table_list.first;
dup_tables= *first_local_table;
first_local_table->next= 0;
if (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.next= 0;
}
if (!(res= mysql_prepare_insert(thd, tables, first_local_table,
&dup_tables, insert_table,
lex->field_list, 0,
lex->update_list, lex->value_list,
lex->duplicates)) &&
(result= new select_insert(tables->table, &lex->field_list,
(result= new select_insert(insert_table, &lex->field_list,
&lex->update_list, &lex->value_list,
lex->duplicates, lex->ignore)))
{
@@ -2876,7 +2891,7 @@ unsent_create_error:
/* revert changes for SP */
lex->select_lex.resolve_mode= SELECT_LEX::INSERT_MODE;
delete result;
tables->table->insert_values= 0;
insert_table->insert_values= 0;
if (thd->net.report_error)
res= -1;
}
@@ -4950,10 +4965,11 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
the slow query log, and the relay log (if it exists).
*/
/*
Writing this command to the binlog may result in infinite loops when doing
mysqlbinlog|mysql, and anyway it does not really make sense to log it
automatically (would cause more trouble to users than it would help them)
/*
Writing this command to the binlog may result in infinite loops when
doing mysqlbinlog|mysql, and anyway it does not really make sense to
log it automatically (would cause more trouble to users than it would
help them)
*/
tmp_write_to_binlog= 0;
mysql_log.new_file(1);