Fix for bug #1980

2 files changed, 74 insertions, 1 deletions

diff --git a/mysql-test/r/multi_update.result b/mysql-test/r/multi_update.result
index b0d597f238a..f6a96eb94a0 100644
--- a/mysql-test/r/multi_update.result
+++ b/mysql-test/r/multi_update.result
@@ -363,3 +363,30 @@ t2 rows after big delete	1900001
 select 't1 rows after big delete', count(*) from t1;
 t1 rows after big delete	count(*)
 t1 rows after big delete	1900001
+drop table t1,t2;
+set @ttype_save=@@table_type;
+set @@table_type=innodb;
+create table t1 ( c char(8) not null );
+insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9');
+insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F');
+alter table t1 add b char(8) not null;
+alter table t1 add a char(8) not null;
+alter table t1 add primary key (a,b,c);
+update t1 set a=c, b=c;
+create table t2 like t1;
+insert into t2 select * from t1;
+delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;
+drop table t1,t2;
+set @@table_type=bdb;
+create table t1 ( c char(8) not null );
+insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9');
+insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F');
+alter table t1 add b char(8) not null;
+alter table t1 add a char(8) not null;
+alter table t1 add primary key (a,b,c);
+update t1 set a=c, b=c;
+create table t2 like t1;
+insert into t2 select * from t1;
+delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;
+set @@table_type=@ttype_save;
+drop table t1,t2;
diff --git a/mysql-test/t/multi_update.test b/mysql-test/t/multi_update.test
index b3c742e0b30..0886b957ca7 100644
--- a/mysql-test/t/multi_update.test
+++ b/mysql-test/t/multi_update.test
@@ -309,4 +309,50 @@ delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 100*1000;
 select 't2 rows after big delete', count(*) from t2;
 select 't1 rows after big delete', count(*) from t1;
 
-#drop table t1,t2;
+drop table t1,t2;
+
+#
+# Test for bug #1980.
+#
+set @ttype_save=@@table_type;
+
+--disable_warnings
+set @@table_type=innodb;
+create table t1 ( c char(8) not null );
+--enable_warnings
+
+insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9');
+insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F');
+
+alter table t1 add b char(8) not null;
+alter table t1 add a char(8) not null;
+alter table t1 add primary key (a,b,c);
+update t1 set a=c, b=c;
+
+create table t2 like t1;
+insert into t2 select * from t1;
+
+delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;
+
+drop table t1,t2;
+
+--disable_warnings
+set @@table_type=bdb;
+create table t1 ( c char(8) not null );
+--enable_warnings
+
+insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9');
+insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F');
+
+alter table t1 add b char(8) not null;
+alter table t1 add a char(8) not null;
+alter table t1 add primary key (a,b,c);
+update t1 set a=c, b=c;
+
+create table t2 like t1;
+insert into t2 select * from t1;
+
+delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;
+
+set @@table_type=@ttype_save;
+drop table t1,t2;