Merge mysql.com:/home/mydev/mysql-4.1

ERROR HY000: You can't specify target table 't2' for update in FROM clause

drop table t1, t2;

create table t1 (

a double(16,6),

a double(14,4),

b varchar(10),

index (a,b)

) engine=merge union=(t2,t3);

create table t2 (

a double(16,6),

a double(14,4),

b varchar(10),

index (a,b)

) engine=myisam;

create table t3 (

a double(16,6),

a double(14,4),

b varchar(10),

index (a,b)

) engine=myisam;

insert into t2 values ( null, '');

insert into t2 values ( 9999999999.999999, '');

insert into t2 values ( 9999999999.9999, '');

insert into t3 select * from t2;

select min(a), max(a) from t1;

min(a)	max(a)

9999999999.999998	9999999999.999998

9999999999.9999	9999999999.9999

flush tables;

select min(a), max(a) from t1;

min(a)	max(a)

9999999999.999998	9999999999.999998

9999999999.9999	9999999999.9999

drop table t1, t2, t3;

create table t1 (a int,b int,c int, index (a,b,c));

create table t2 (a int,b int,c int, index (a,b,c));

# non-debug build. But there is no guarantee that this will be always so.

#

create table t1 (

 a double(16,6),

 a double(14,4),

 b varchar(10),

 index (a,b)

) engine=merge union=(t2,t3);

create table t2 (

 a double(16,6),

 a double(14,4),

 b varchar(10),

 index (a,b)

) engine=myisam;

create table t3 (

 a double(16,6),

 a double(14,4),

 b varchar(10),

 index (a,b)

) engine=myisam;

insert into t2 values ( null, '');

# We may have insufficient accuracy for 16 digits of '9'.

# Suppress a "truncate" warning due to accuracy problems.

--disable_warnings

insert into t2 values ( 9999999999.999999, '');

--enable_warnings

insert into t2 values ( 9999999999.9999, '');

insert into t3 select * from t2;

select min(a), max(a) from t1;

flush tables;