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drop table if exists t1;
create table t1 ENGINE=MyISAM SELECT 1,"table 1";
repair table t1 use_frm;
Table Op Msg_type Msg_text
test.t1 repair warning Number of rows changed from 0 to 1
test.t1 repair status OK
alter table t1 ENGINE=HEAP;
repair table t1 use_frm;
Table Op Msg_type Msg_text
test.t1 repair note The storage engine for the table doesn't support repair
drop table t1;
create table t1(id int PRIMARY KEY, st varchar(10), KEY st_key(st)) ENGINE=MyISAM;
insert into t1 values(1, "One");
alter table t1 disable keys;
show keys from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
t1 0 PRIMARY 1 id A 1 NULL NULL BTREE
t1 1 st_key 1 st A NULL NULL NULL YES BTREE disabled
repair table t1 extended;
Table Op Msg_type Msg_text
test.t1 repair status OK
show keys from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
t1 0 PRIMARY 1 id A 1 NULL NULL BTREE
t1 1 st_key 1 st A NULL NULL NULL YES BTREE disabled
drop table t1;
repair table t1 use_frm;
Table Op Msg_type Msg_text
test.t1 repair Error Table 'test.t1' doesn't exist
test.t1 repair status OK
create table t1 engine=myisam SELECT 1,"table 1";
flush tables;
repair table t1;
Table Op Msg_type Msg_text
test.t1 repair Error Incorrect file format 't1'
test.t1 repair status OK
repair table t1 use_frm;
Table Op Msg_type Msg_text
test.t1 repair warning Number of rows changed from 0 to 1
test.t1 repair status OK
drop table t1;
CREATE TABLE t1(a INT, KEY(a)) ENGINE=MyISAM;
INSERT INTO t1 VALUES(1),(2),(3),(4),(5);
SET GLOBAL myisam_repair_threads=2;
REPAIR TABLE t1;
Table Op Msg_type Msg_text
test.t1 repair status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
t1 1 a 1 a A 5 NULL NULL YES BTREE
SET GLOBAL myisam_repair_threads=1;
DROP TABLE t1;
CREATE TABLE t1(a INT) ENGINE=MyISAM;
USE mysql;
REPAIR TABLE test.t1 USE_FRM;
Table Op Msg_type Msg_text
test.t1 repair status OK
USE test;
DROP TABLE t1;
CREATE TABLE t1(a CHAR(255), KEY(a)) ENGINE=MyISAM;
SET GLOBAL myisam_sort_buffer_size=4096;
SHOW VARIABLES LIKE "myisam_sort_buffer_size";
Variable_name Value
myisam_sort_buffer_size 4096
INSERT INTO t1 VALUES
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0');
ERROR HY000: myisam_sort_buffer_size is too small
SET GLOBAL myisam_repair_threads=2;
REPAIR TABLE t1;
Table Op Msg_type Msg_text
test.t1 repair error myisam_sort_buffer_size is too small
test.t1 repair warning Number of rows changed from 0 to 157
test.t1 repair status OK
SET GLOBAL myisam_repair_threads=1;
SET GLOBAL myisam_sort_buffer_size=DEFAULT;
DROP TABLE t1;
CREATE TABLE t1(a CHAR(255), KEY(a)) ENGINE=MyISAM;
SET GLOBAL myisam_sort_buffer_size=16384;
INSERT INTO t1 VALUES
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
('0'),('0'),('0'),('0'),('0'),('0'),('0');
SET GLOBAL myisam_repair_threads=2;
REPAIR TABLE t1;
Table Op Msg_type Msg_text
test.t1 repair status OK
SET GLOBAL myisam_repair_threads=1;
SET GLOBAL myisam_sort_buffer_size=DEFAULT;
DROP TABLE t1;
End of 4.1 tests
DROP TABLE IF EXISTS tt1;
CREATE TEMPORARY TABLE tt1 (c1 INT);
REPAIR TABLE tt1 USE_FRM;
Table Op Msg_type Msg_text
tt1 repair error Cannot repair temporary table from .frm file
DROP TABLE tt1;
SET GLOBAL myisam_sort_buffer_size=DEFAULT;
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