Commit 4b4f7f76 authored by unknown's avatar unknown
Browse files

Enable key lengths of up to 3K on 32-bit platforms. 


mysql-test/r/bdb.result:
  Add new results
mysql-test/r/innodb.result:
  Add new results
mysql-test/t/bdb.test:
  Add simple test that large keys are allowed
mysql-test/t/innodb.test:
  Add simple test that large keys are allowed
sql/unireg.h:
  Allow key length of 3K even on 32-bit platforms
parent 3c8a8de4

mysql-test/r/bdb.result

+14 −0
Original line number Diff line number Diff line
@@ -1891,3 +1891,17 @@ t1 CREATE TABLE `t1` ( 
) ENGINE=BerkeleyDB DEFAULT CHARSET=latin1

drop table t1;

set storage_engine=MyISAM;

create table t1 (a varchar(255) character set utf8,

b varchar(255) character set utf8,

c varchar(255) character set utf8,

d varchar(255) character set utf8,

key (a,b,c,d)) engine=bdb;

drop table t1;

create table t1 (a varchar(255) character set utf8,

b varchar(255) character set utf8,

c varchar(255) character set utf8,

d varchar(255) character set utf8,

e varchar(255) character set utf8,

key (a,b,c,d,e)) engine=bdb;

ERROR 42000: Specified key was too long; max key length is 3072 bytes

End of 5.0 tests

mysql-test/r/innodb.result

+14 −0
Original line number Diff line number Diff line
@@ -2772,3 +2772,17 @@ insert into t2 values (4,_ucs2 0x05612020,_ucs2 0x05612020,'taken'); 
drop table t1;

drop table t2;

commit;

create table t1 (a varchar(255) character set utf8,

b varchar(255) character set utf8,

c varchar(255) character set utf8,

d varchar(255) character set utf8,

key (a,b,c,d)) engine=innodb;

drop table t1;

create table t1 (a varchar(255) character set utf8,

b varchar(255) character set utf8,

c varchar(255) character set utf8,

d varchar(255) character set utf8,

e varchar(255) character set utf8,

key (a,b,c,d,e)) engine=innodb;

ERROR 42000: Specified key was too long; max key length is 3072 bytes

End of 5.0 tests

mysql-test/t/bdb.test

+19 −0
Original line number Diff line number Diff line
@@ -974,3 +974,22 @@ drop table t1; 


# End varchar test

eval set storage_engine=$default;



#

# Test that we can create a large key

#

create table t1 (a varchar(255) character set utf8,

                 b varchar(255) character set utf8,

                 c varchar(255) character set utf8,

                 d varchar(255) character set utf8,

                 key (a,b,c,d)) engine=bdb;

drop table t1;

--error ER_TOO_LONG_KEY

create table t1 (a varchar(255) character set utf8,

                 b varchar(255) character set utf8,

                 c varchar(255) character set utf8,

                 d varchar(255) character set utf8,

                 e varchar(255) character set utf8,

                 key (a,b,c,d,e)) engine=bdb;



--echo End of 5.0 tests

mysql-test/t/innodb.test

+19 −0
Original line number Diff line number Diff line
@@ -1751,3 +1751,22 @@ insert into t2 values (4,_ucs2 0x05612020,_ucs2 0x05612020,'taken'); 
drop table t1;

drop table t2;

commit;



#

# Test that we can create a large (>1K) key

#

create table t1 (a varchar(255) character set utf8,

                 b varchar(255) character set utf8,

                 c varchar(255) character set utf8,

                 d varchar(255) character set utf8,

                 key (a,b,c,d)) engine=innodb;

drop table t1;

--error ER_TOO_LONG_KEY

create table t1 (a varchar(255) character set utf8,

                 b varchar(255) character set utf8,

                 c varchar(255) character set utf8,

                 d varchar(255) character set utf8,

                 e varchar(255) character set utf8,

                 key (a,b,c,d,e)) engine=innodb;



--echo End of 5.0 tests

sql/unireg.h

+1 −5
Original line number Diff line number Diff line
@@ -50,11 +50,7 @@ 
#define MAX_SYS_VAR_LENGTH 32

#define MAX_KEY 64				/* Max used keys */

#define MAX_REF_PARTS 16			/* Max parts used as ref */

#if SIZEOF_CHARP > 4

#define MAX_KEY_LENGTH 3072			/* max possible key, if 64 bits */

#else

#define MAX_KEY_LENGTH 1024			/* max possible key, if 32 bits */

#endif

#define MAX_KEY_LENGTH 3072			/* max possible key */

#if SIZEOF_OFF_T > 4

#define MAX_REFLENGTH 8				/* Max length for record ref */

#else