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This commit is contained in:
Michael Widenius 2012-08-13 23:45:16 +03:00
commit c0f04fa31c
12 changed files with 139 additions and 29 deletions
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52
mysql-test/suite/heap/heap.result
View file

@ -738,3 +738,55 @@ SELECT c2 FROM t1;
c2
0
DROP TABLE t1;
CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=100;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
1600 2400
drop table t1;
CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=10000;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
16000 24000
drop table t1;
CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=3000 max_rows=3000;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
48000 72000
drop table t1;
CREATE TABLE t1 (a int, index(a)) engine=heap max_rows=15000;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
24000 36000
drop table t1;
create table t1 (c1 int, index(c1)) engine=heap max_rows=10000;
insert into t1 select rand(100000000);
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1 limit 488;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
16000 24000
insert into t1 select rand(100000000) from t1 limit 1;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
33024 49024
insert into t1 select rand(100000000) from t1 limit 1000;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
49024 73024
insert into t1 select rand(100000000) from t1;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
data_length index_length
81024 121024
drop table t1;

44
mysql-test/suite/heap/heap.test
View file

@ -485,3 +485,47 @@ INSERT INTO t1 VALUES('', 0);
ALTER TABLE t1 MODIFY c1 VARCHAR(101);
SELECT c2 FROM t1;
DROP TABLE t1;
#
# Show that MIN_ROWS and MAX_ROWS have an effect on how data_length
# and index_length are allocated.
# Result is different for 32 / 64 bit machines as pointer lengths are different
#
CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=100;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
drop table t1;
CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=10000;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
drop table t1;
CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=3000 max_rows=3000;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
drop table t1;
CREATE TABLE t1 (a int, index(a)) engine=heap max_rows=15000;
insert into t1 values(1);
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
drop table t1;
create table t1 (c1 int, index(c1)) engine=heap max_rows=10000;
insert into t1 select rand(100000000);
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1;
insert into t1 select rand(100000000) from t1 limit 488;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
insert into t1 select rand(100000000) from t1 limit 1;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
insert into t1 select rand(100000000) from t1 limit 1000;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
insert into t1 select rand(100000000) from t1;
select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
drop table t1;