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

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

1 files changed, 20 insertions, 1 deletions

diff --git a/mysql-test/t/derived.test b/mysql-test/t/derived.test
index caf673d95c1..77e76d16772 100644
--- a/mysql-test/t/derived.test
+++ b/mysql-test/t/derived.test
@@ -115,7 +115,7 @@ select mail_id,  if(folder.f_description!='', folder.f_description, folder.f_nam
 #
 create table t1 (a int);
 insert into t1 values (1),(2),(3);
--- error 1149
+-- error 1287
 update (select * from t1) as t1 set a = 5;
 -- error 1064
 delete from (select * from t1);
@@ -138,3 +138,22 @@ insert into t1 values (1),(2);
 select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
 explain select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
 drop table t1;
+
+
+#
+# multi-update & multi-delete with derived tables
+#
+CREATE TABLE `t1` (
+  `N` int(11) unsigned NOT NULL default '0',
+  `M` tinyint(1) default '0',
+) TYPE=MyISAM DEFAULT CHARSET=latin1;
+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;
+-- error 1287
+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;
+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;
+-- error 1287
+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;
+drop table t1;