Merge sinisa@work.mysql.com:/home/bk/mysql

@appendixsubsec Changes in release 3.23.53

@itemize @bullet

@item

Fixed a bug with BDB @code[ALTER TABLE] with dropping column, and shutdown 

immediately thereafter.

@item

Fixed problem with @code{UNSIGNED BIGINT} on AIX (again).

@item

Fixed bug in pthread_mutex_trylock() on HPUX 11.0

objid	tablename	oid	test

1	t1	4	9

2	metatable	1	9

3	metaindex	1	9

objid	tablename	oid

1	t1	4

2	metatable	1

3	metaindex	1

-- source include/have_bdb.inc

#

# Small basic test for ALTER TABLE bug ..

#

drop table if exists t1;

create table t1(objid BIGINT not null, tablename  varchar(64), oid BIGINT not null, test BIGINT,  PRIMARY KEY (objid), UNIQUE(tablename))  type=BDB;

insert into t1 values(1, 't1',4,9);

insert into t1 values(2, 'metatable',1,9);

insert into t1 values(3, 'metaindex',1,9 );

select * from t1;

alter table t1 drop column test;

-- source include/have_bdb.inc

select * from t1;

drop table t1;

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