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fix for bug #14381

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(BDB keylength limitted to 255)


mysql-test/r/bdb.result:
  fix bdb test after fixing the maximal length of BDB keys to 2^32-1
sql/ha_berkeley.h:
  use the maximal possible length of 2^32 - 1
This commit is contained in:
unknown 2005-11-01 19:37:59 +01:00
parent d5a81fdc25
commit 778088a546
2 changed files with 28 additions and 32 deletions
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56
mysql-test/r/bdb.result
View file

@ -1584,8 +1584,6 @@ g 10
h 10
i 10
alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v);
Warnings:
Warning 1071 Specified key was too long; max key length is 255 bytes
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
@ -1594,7 +1592,7 @@ t1 CREATE TABLE `t1` (
`t` text,
KEY `c` (`c`),
KEY `t` (`t`(10)),
KEY `v` (`v`(255))
KEY `v` (`v`)
) ENGINE=BerkeleyDB DEFAULT CHARSET=latin1
select count(*) from t1 where v='a';
count(*)
@ -1616,19 +1614,19 @@ count(*)
9
explain select count(*) from t1 where v='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 258 const # Using where
1 SIMPLE t1 ref v v 303 const # Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 258 NULL # Using where
1 SIMPLE t1 range v v 303 NULL # Using where
explain select count(*) from t1 where v between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 258 const # Using where
1 SIMPLE t1 ref v v 303 const # Using where
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 258 const # Using where
1 SIMPLE t1 ref v v 303 const # Using where
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 258 const # Using where
1 SIMPLE t1 ref v v 303 const # Using where
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
@ -1656,15 +1654,15 @@ i 10
select sql_big_result v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
alter table t1 drop key v, add key v (v(30));
show create table t1;
Table Create Table
@ -1746,8 +1744,6 @@ g 10
h 10
i 10
alter table t1 modify v varchar(600), drop key v, add key v (v);
Warnings:
Warning 1071 Specified key was too long; max key length is 255 bytes
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
@ -1756,7 +1752,7 @@ t1 CREATE TABLE `t1` (
`t` text,
KEY `c` (`c`),
KEY `t` (`t`(10)),
KEY `v` (`v`(255))
KEY `v` (`v`)
) ENGINE=BerkeleyDB DEFAULT CHARSET=latin1
select v,count(*) from t1 group by v limit 10;
v count(*)
@ -1785,15 +1781,15 @@ i 10
select sql_big_result v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
drop table t1;
create table t1 (a char(10), unique (a));
insert into t1 values ('a ');
@ -1874,7 +1870,7 @@ a b
drop table t1;
create table t1 (v varchar(65530), key(v));
Warnings:
Warning 1071 Specified key was too long; max key length is 255 bytes
Warning 1071 Specified key was too long; max key length is 1024 bytes
drop table if exists t1;
create table t1 (v varchar(65536));
Warnings:

4
sql/ha_berkeley.h
View file

@ -94,8 +94,8 @@ class ha_berkeley: public handler
uint max_supported_keys() const { return MAX_KEY-1; }
uint extra_rec_buf_length() { return BDB_HIDDEN_PRIMARY_KEY_LENGTH; }
ha_rows estimate_rows_upper_bound();
uint max_supported_key_length() const { return MAX_KEY_LENGTH; }
uint max_supported_key_part_length() const { return MAX_KEY_LENGTH; }
uint max_supported_key_length() const { return 4294967295L; }
uint max_supported_key_part_length() const { return 4294967295L; }
const key_map *keys_to_use_for_scanning() { return &key_map_full; }
bool has_transactions() { return 1;}