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#
# Bug mdev-3866: valgrind complain from ANALYZE on a table with BIT field
#
SET use_stat_tables = 'preferably';
CREATE TABLE t1 (pk int PRIMARY KEY, a bit(1), INDEX idx(a)
) ENGINE=MyISAM PARTITION BY KEY(pk) PARTITIONS 2;
INSERT INTO t1 VALUES (1,1),(2,0),(3,0),(4,1);
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
DROP TABLE t1;
#
# MDEV-21472: ALTER TABLE ... ANALYZE PARTITION ... with EITS reads and locks all rows
#
CREATE TABLE t1 (
id int(11) auto_increment primary key,
c1 int(11) DEFAULT NULL
) PARTITION BY RANGE (id) (
PARTITION p0 VALUES LESS THAN (4),
PARTITION p1 VALUES LESS THAN MAXVALUE
);
insert into t1(c1) values (1),(1),(1),(1), (1),(1),(1),(1);
insert into t1(c1) select c1 from t1;
insert into t1(c1) select c1 from t1;
select count(*) from t1;
count(*)
32
select count(*) from t1 where id <4;
count(*)
3
flush status;
set session use_stat_tables='preferably';
# Must NOT show "Engine-independent statistics collected":
alter table t1 analyze partition p0;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
# Should not have Handler_read_rnd_next=34
show session status like 'Handler_read_rnd%';
Variable_name Value
Handler_read_rnd 0
Handler_read_rnd_deleted 0
Handler_read_rnd_next 0
drop table t1;
SET use_stat_tables = DEFAULT;
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