Merge moonlight.intranet:/home/tomash/src/mysql_ab/mysql-4.1-runtime

into  moonlight.intranet:/home/tomash/src/mysql_ab/mysql-4.1-bug18819

mysql-test/r/innodb_mysql.result

@@ -104,3 +104,19 @@ SELECT `id1` FROM `t1` WHERE `id1` NOT IN (SELECT `id1` FROM `t2` WHERE `id2` =
 id1
 2
 DROP TABLE t1, t2;
+DROP TABLE IF EXISTS t2, t1;
+CREATE TABLE t1 (i INT NOT NULL PRIMARY KEY) ENGINE= InnoDB;
+CREATE TABLE t2 (
+i INT NOT NULL,
+FOREIGN KEY (i) REFERENCES t1 (i) ON DELETE NO ACTION
+) ENGINE= InnoDB;
+INSERT INTO t1 VALUES (1);
+INSERT INTO t2 VALUES (1);
+DELETE IGNORE FROM t1 WHERE i = 1;
+Warnings:
+Error	1217	Cannot delete or update a parent row: a foreign key constraint fails
+SELECT * FROM t1, t2;
+i	i
+1	1
+DROP TABLE t2, t1;
+End of 4.1 tests.

mysql-test/t/innodb_mysql.test

@@ -117,3 +117,32 @@ INSERT INTO `t2`(`id1`,`id2`,`id3`,`id4`) VALUES
 
 SELECT `id1` FROM `t1` WHERE `id1` NOT IN (SELECT `id1` FROM `t2` WHERE `id2` = 1 AND `id3` = 2);
 DROP TABLE t1, t2;
+
+
+#
+# BUG#18819: DELETE IGNORE hangs on foreign key parent delete
+#
+# The bug itself does not relate to InnoDB, but we have to use foreign
+# keys to reproduce it.
+#
+--disable_warnings
+DROP TABLE IF EXISTS t2, t1;
+--enable_warnings
+
+CREATE TABLE t1 (i INT NOT NULL PRIMARY KEY) ENGINE= InnoDB;
+CREATE TABLE t2 (
+  i INT NOT NULL,
+  FOREIGN KEY (i) REFERENCES t1 (i) ON DELETE NO ACTION
+) ENGINE= InnoDB;
+
+INSERT INTO t1 VALUES (1);
+INSERT INTO t2 VALUES (1);
+
+DELETE IGNORE FROM t1 WHERE i = 1;
+
+SELECT * FROM t1, t2;
+
+DROP TABLE t2, t1;
+
+
+--echo End of 4.1 tests.

sql/sql_delete.cc

@@ -253,7 +253,8 @@ int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
     mysql_unlock_tables(thd, thd->lock);
     thd->lock=0;
   }
-  if (error >= 0 || thd->net.report_error)
+  if ((error >= 0 || thd->net.report_error) &&
+      (!thd->lex->ignore || thd->is_fatal_error))
     send_error(thd,thd->killed ? ER_SERVER_SHUTDOWN: 0);
   else
   {