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-- source include/have_ndb.inc
set @is_enable_default = @@global.ndb_index_stat_enable;
set @is_enable = 1;
source index_stat_enable.inc;
create table record_in_range(no int primary key auto_increment,
query varchar(256), part_count int,
explain_rows int, count_rows int) engine = innodb;
CREATE TABLE t1(
K INT NOT NULL AUTO_INCREMENT,
I INT,
J INT,
L INT,
PRIMARY KEY(K),
KEY(I,J),
KEY(L)
) ENGINE=ndbcluster
partition by key (K) partitions 1;
INSERT INTO t1(I,J,L) VALUES
(1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),
(6,6,6),(7,7,7),(8,8,8),(9,9,9),(0,0,0);
INSERT INTO t1(I,J,L) SELECT I,1,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,2,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,3,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,4,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,5,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,6,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,7,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,8,I FROM t1;
INSERT INTO t1(I,J,L) SELECT I,9,I FROM t1;
select i, count(*) from t1 group by 1 order by 1;
select l, count(*) from t1 group by 1 order by 1;
ANALYZE TABLE t1;
--disable_query_log
let $i = 10;
let $p = 1;
while ($i)
{
--let $q=SELECT count(*) as Count FROM t1 WHERE i = $i
--let $explain_type= query_get_value(EXPLAIN $q, type, 1)
--let $explain_rows= query_get_value(EXPLAIN $q, rows, 1)
--let $count_rows= query_get_value($q, Count, 1)
--eval insert into record_in_range(query,part_count,explain_rows,count_rows) values ('$q',$p,$explain_rows,$count_rows);
dec $i;
}
let $l = 10;
while ($l)
{
--let $q=SELECT count(*) as Count FROM t1 WHERE l = $l
--let $explain_type= query_get_value(EXPLAIN $q, type, 1)
--let $explain_rows= query_get_value(EXPLAIN $q, rows, 1)
--let $count_rows= query_get_value($q, Count, 1)
--eval insert into record_in_range(query,part_count,explain_rows,count_rows) values ('$q',$p,$explain_rows,$count_rows);
dec $l;
}
alter table t1 partition by key() partitions 8;
analyze table t1;
let $p = 8;
let $i = 10;
while ($i)
{
--let $q=SELECT count(*) as Count FROM t1 WHERE i = $i
--let $explain_type= query_get_value(EXPLAIN $q, type, 1)
--let $explain_rows= query_get_value(EXPLAIN $q, rows, 1)
--let $count_rows= query_get_value($q, Count, 1)
--eval insert into record_in_range(query,part_count,explain_rows,count_rows) values ('$q',$p,$explain_rows,$count_rows);
dec $i;
}
let $l = 10;
while ($l)
{
--let $q=SELECT count(*) as Count FROM t1 WHERE l = $l
--let $explain_type= query_get_value(EXPLAIN $q, type, 1)
--let $explain_rows= query_get_value(EXPLAIN $q, rows, 1)
--let $count_rows= query_get_value($q, Count, 1)
--eval insert into record_in_range(query,part_count,explain_rows,count_rows) values ('$q',$p,$explain_rows,$count_rows);
dec $l;
}
--enable_query_log
# Change sql_mode to allow the reporting query below
# which uses "DISTINCT with an ORDER BY on column which
# is not in the select list"
--source include/turn_off_only_full_group_by.inc
select distinct
substring(rr.query from INSTR(rr.query, 'WHERE')) as 'WHERE',
count_rows,
p1.val as p1_val,
if(p8.err_pct is not null and abs(p8.err_pct)<45,'-',p8.val) p8_val,
case when p1.err_pct is null then '-' when abs(p1.err_pct)<45 then '<45' else p1.err_pct end p1_err_pct,
case when p8.err_pct is null then '-' when abs(p8.err_pct)<45 then '<45' else p8.err_pct end p8_err_pct
from record_in_range rr,
(select query, explain_rows as val, if(count_rows>0,floor(100*(explain_rows - count_rows) / count_rows),NULL) err_pct
from record_in_range p where part_count = 1) p1,
(select query, explain_rows as val, if(count_rows>0,floor(100*(explain_rows - count_rows) / count_rows),NULL) err_pct
from record_in_range p where part_count = 8) p8
where rr.query = p1.query
and rr.query = p8.query
order by rr.no;
--source include/restore_sql_mode_after_turn_off_only_full_group_by.inc
DROP TABLE t1, record_in_range;
--echo End of 5.1 tests
set @is_enable = @is_enable_default;
source index_stat_enable.inc;
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