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allow UPDATE and DELETE stetements with tables derived from subquery if they are not updated (BUG#2117)

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allow delete table by alias in multi-delete statement



include/mysqld_error.h:
  new error message about non-updateable table
mysql-test/r/derived.result:
  test of multi-update and multi-delete
mysql-test/t/derived.test:
  test of multi-update and multi-delete
sql/share/czech/errmsg.txt:
  new error message about non-updateable table
sql/share/danish/errmsg.txt:
  new error message about non-updateable table
sql/share/dutch/errmsg.txt:
  new error message about non-updateable table
sql/share/english/errmsg.txt:
  new error message about non-updateable table
sql/share/estonian/errmsg.txt:
  new error message about non-updateable table
sql/share/french/errmsg.txt:
  new error message about non-updateable table
sql/share/german/errmsg.txt:
  new error message about non-updateable table
sql/share/greek/errmsg.txt:
  new error message about non-updateable table
sql/share/hungarian/errmsg.txt:
  new error message about non-updateable table
sql/share/italian/errmsg.txt:
  new error message about non-updateable table
sql/share/japanese/errmsg.txt:
  new error message about non-updateable table
sql/share/korean/errmsg.txt:
  new error message about non-updateable table
sql/share/norwegian-ny/errmsg.txt:
  new error message about non-updateable table
sql/share/norwegian/errmsg.txt:
  new error message about non-updateable table
sql/share/polish/errmsg.txt:
  new error message about non-updateable table
sql/share/portuguese/errmsg.txt:
  new error message about non-updateable table
sql/share/romanian/errmsg.txt:
  new error message about non-updateable table
sql/share/russian/errmsg.txt:
  new error message about non-updateable table
sql/share/serbian/errmsg.txt:
  new error message about non-updateable table
sql/share/slovak/errmsg.txt:
  new error message about non-updateable table
sql/share/spanish/errmsg.txt:
  new error message about non-updateable table
sql/share/swedish/errmsg.txt:
  new error message about non-updateable table
sql/share/ukrainian/errmsg.txt:
  new error message about non-updateable table
sql/sql_parse.cc:
  allow delete table by alias
  separate error message for try to delete derived table
sql/sql_update.cc:
  test "is updated table derived?"
sql/sql_yacc.yy:
  error message in case of try to update derived table
This commit is contained in:
unknown
2004-01-04 23:44:33 +02:00
parent 63f15064a4
commit fbf563e86a
29 changed files with 132 additions and 14 deletions
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27
mysql-test/r/derived.result
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@@ -209,7 +209,7 @@ ERROR 42000: You have an error in your SQL syntax. Check the manual that corres
create table t1 (a int);
insert into t1 values (1),(2),(3);
update (select * from t1) as t1 set a = 5;
ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use
ERROR HY000: The target table t1 of the UPDATE is not updatable.
delete from (select * from t1);
ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near '(select * from t1)' at line 1
insert into (select * from t1) values (5);
@@ -245,3 +245,28 @@ id select_type table type possible_keys key key_len ref rows Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2
3 UNION t1 ALL NULL NULL NULL NULL 2
drop table t1;
CREATE TABLE `t1` (
`N` int(11) unsigned NOT NULL default '0',
`M` tinyint(1) default '0',
) TYPE=MyISAM DEFAULT CHARSET=latin1;
Warnings:
Warning 1286 'TYPE=database_engine' is deprecated. Use 'ENGINE=database_engine' instead.
INSERT INTO `t1` (N, M) VALUES (1, 0),(1, 0),(1, 0),(2, 0),(2, 0),(3, 0);
UPDATE `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2;
select * from t1;
N M
1 2
1 2
1 2
2 2
2 2
3 0
UPDATE `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2, P2.N = 2;
ERROR HY000: The target table P2 of the UPDATE is not updatable.
delete P1.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N;
select * from t1;
N M
3 0
delete P1.*,P2.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N;
ERROR HY000: The target table P2 of the DELETE is not updatable.
drop table t1;