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|
drop table if exists t1,t2;
drop table if exists t1aa,t2aa;
drop database if exists mysqltest;
drop database if exists mysqltest1;
create table t1 (a int not null primary key, b int not null,c int not null, key(b,c));
insert into t1 values (1,2,2),(2,2,3),(3,2,4),(4,2,4);
-- Here we enable metadata just to check that the collation of the
-- resultset is non-binary for string type. This should be changed
-- after Bug#29394 is implemented.
check table t1 fast;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 5 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 27 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 check status Table is already up to date
check table t1 fast;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 5 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 27 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 check status Table is already up to date
check table t1 changed;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 5 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 2 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 check status OK
insert into t1 values (5,5,5);
check table t1 changed;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 5 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 2 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 check status OK
check table t1 medium;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 5 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 2 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 check status OK
check table t1 extended;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 5 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 2 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 check status OK
show index from t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def STATISTICS TABLE_NAME Table 253 64 2 N 1 0 8
def STATISTICS NON_UNIQUE Non_unique 8 1 1 N 32769 0 63
def STATISTICS INDEX_NAME Key_name 253 64 7 N 1 0 8
def STATISTICS SEQ_IN_INDEX Seq_in_index 8 2 1 N 32769 0 63
def STATISTICS COLUMN_NAME Column_name 253 64 1 N 1 0 8
def STATISTICS COLLATION Collation 253 1 1 Y 0 0 8
def STATISTICS CARDINALITY Cardinality 8 21 1 Y 32768 0 63
def STATISTICS SUB_PART Sub_part 8 3 0 Y 32768 0 63
def STATISTICS PACKED Packed 253 10 0 Y 0 0 8
def STATISTICS NULLABLE Null 253 3 0 N 1 0 8
def STATISTICS INDEX_TYPE Index_type 253 16 5 N 1 0 8
def STATISTICS COMMENT Comment 253 16 0 Y 0 0 8
def STATISTICS INDEX_COMMENT Index_Comment 253 1024 0 N 1 0 8
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 a A 5 NULL NULL BTREE
t1 1 b 1 b A 1 NULL NULL BTREE
t1 1 b 2 c A 5 NULL NULL BTREE
insert into t1 values (5,5,5);
ERROR 23000: Duplicate entry '5' for key 'PRIMARY'
-- Here we enable metadata just to check that the collation of the
-- resultset is non-binary for string type. This should be changed
-- after Bug#29394 is implemented.
optimize table t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 8 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 2 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 optimize status OK
optimize table t1;
Table Op Msg_type Msg_text
test.t1 optimize status Table is already up to date
drop table t1;
-- Here we enable metadata just to check that the collation of the
-- resultset is non-binary for string type. This should be changed
-- after Bug#29394 is implemented.
show variables like "wait_timeout%";
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def VARIABLES VARIABLE_NAME Variable_name 253 64 12 N 1 0 8
def VARIABLES VARIABLE_VALUE Value 253 16300 5 Y 0 0 8
Variable_name Value
wait_timeout 28800
show variables like "WAIT_timeout%";
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def VARIABLES VARIABLE_NAME Variable_name 253 64 12 N 1 0 8
def VARIABLES VARIABLE_VALUE Value 253 16300 5 Y 0 0 8
Variable_name Value
wait_timeout 28800
show variables like "this_doesn't_exists%";
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def VARIABLES VARIABLE_NAME Variable_name 253 64 0 N 1 0 8
def VARIABLES VARIABLE_VALUE Value 253 16300 0 Y 0 0 8
Variable_name Value
show table status from test like "this_doesn't_exists%";
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def TABLES TABLE_NAME Name 253 64 0 N 1 0 8
def TABLES ENGINE Engine 253 64 0 Y 0 0 8
def TABLES VERSION Version 8 21 0 Y 32800 0 63
def TABLES ROW_FORMAT Row_format 253 10 0 Y 0 0 8
def TABLES TABLE_ROWS Rows 8 21 0 Y 32800 0 63
def TABLES AVG_ROW_LENGTH Avg_row_length 8 21 0 Y 32800 0 63
def TABLES DATA_LENGTH Data_length 8 21 0 Y 32800 0 63
def TABLES MAX_DATA_LENGTH Max_data_length 8 21 0 Y 32800 0 63
def TABLES INDEX_LENGTH Index_length 8 21 0 Y 32800 0 63
def TABLES DATA_FREE Data_free 8 21 0 Y 32800 0 63
def TABLES AUTO_INCREMENT Auto_increment 8 21 0 Y 32800 0 63
def TABLES CREATE_TIME Create_time 12 19 0 Y 128 0 63
def TABLES UPDATE_TIME Update_time 12 19 0 Y 128 0 63
def TABLES CHECK_TIME Check_time 12 19 0 Y 128 0 63
def TABLES TABLE_COLLATION Collation 253 64 0 Y 0 0 8
def TABLES CHECKSUM Checksum 8 21 0 Y 32800 0 63
def TABLES CREATE_OPTIONS Create_options 253 255 0 Y 0 0 8
def TABLES TABLE_COMMENT Comment 253 2048 0 N 1 0 8
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
show databases;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def SCHEMATA SCHEMA_NAME Database 253 64 18 N 1 0 8
Database
information_schema
mysql
test
show databases like "test%";
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def SCHEMATA SCHEMA_NAME Database (test%) 253 64 4 N 1 0 8
Database (test%)
test
create table t1 (f1 int not null, f2 int not null, f3 int not null, f4 int not null, primary key(f1,f2,f3,f4));
insert into t1 values (1,1,1,0),(1,1,2,0),(1,1,3,0),(1,2,1,0),(1,2,2,0),(1,2,3,0),(1,3,1,0),(1,3,2,0),(1,3,3,0),(1,1,1,1),(1,1,2,1),(1,1,3,1),(1,2,1,1),(1,2,2,1),(1,2,3,1),(1,3,1,1),(1,3,2,1),(1,3,3,1);
-- Here we enable metadata just to check that the collation of the
-- resultset is non-binary for string type. This should be changed
-- after Bug#29394 is implemented.
analyze table t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 7 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 2 Y 0 31 8
Table Op Msg_type Msg_text
test.t1 analyze 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 0 PRIMARY 1 f1 A 1 NULL NULL BTREE
t1 0 PRIMARY 2 f2 A 3 NULL NULL BTREE
t1 0 PRIMARY 3 f3 A 9 NULL NULL BTREE
t1 0 PRIMARY 4 f4 A 18 NULL NULL BTREE
-- Here we enable metadata just to check that the collation of the
-- resultset is non-binary for string type. This should be changed
-- after Bug#29394 is implemented.
repair table t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def Table 253 128 7 Y 0 31 8
def Op 253 10 6 Y 0 31 8
def Msg_type 253 10 6 Y 0 31 8
def Msg_text 253 255 2 Y 0 31 8
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 0 PRIMARY 1 f1 A 1 NULL NULL BTREE
t1 0 PRIMARY 2 f2 A 3 NULL NULL BTREE
t1 0 PRIMARY 3 f3 A 9 NULL NULL BTREE
t1 0 PRIMARY 4 f4 A 18 NULL NULL BTREE
drop table t1;
create temporary table t1 (a int not null);
show create table t1;
Table Create Table
t1 CREATE TEMPORARY TABLE "t1" (
"a" int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 rename t2;
show create table t2;
Table Create Table
t2 CREATE TEMPORARY TABLE "t2" (
"a" int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t2;
create table t1 (
test_set set( 'val1', 'val2', 'val3' ) not null default '',
name char(20) default 'O''Brien' comment 'O''Brien as default',
c int not null comment 'int column',
`c-b` int comment 'name with a minus',
`space 2` int comment 'name with a space'
) comment = 'it\'s a table' ;
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"test_set" set('val1','val2','val3') NOT NULL,
"name" char(20) COMMENT 'O''Brien as default',
"c" int(11) NOT NULL COMMENT 'int column',
"c-b" int(11) COMMENT 'name with a minus',
"space 2" int(11) COMMENT 'name with a space'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='it''s a table'
set sql_quote_show_create=0;
show create table t1;
Table Create Table
t1 CREATE TABLE t1 (
test_set set('val1','val2','val3') NOT NULL,
"name" char(20) COMMENT 'O''Brien as default',
c int(11) NOT NULL COMMENT 'int column',
"c-b" int(11) COMMENT 'name with a minus',
"space 2" int(11) COMMENT 'name with a space'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='it''s a table'
set sql_quote_show_create=1;
show full columns from t1;
Field Type Collation Null Key Default Extra Privileges Comment
test_set set('val1','val2','val3') latin1_swedish_ci NO NULL
name char(20) latin1_swedish_ci YES NULL O'Brien as default
c int(11) NULL NO NULL int column
c-b int(11) NULL YES NULL name with a minus
space 2 int(11) NULL YES NULL name with a space
drop table t1;
create table t1 (a int not null, unique aa (a));
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"a" int(11) NOT NULL,
UNIQUE KEY "aa" ("a")
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int not null, primary key (a));
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"a" int(11) NOT NULL,
PRIMARY KEY ("a")
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
flush tables;
show open tables;
Database Table In_use Name_locked
mysql general_log 0 0
create table t1(n int);
insert into t1 values (1);
show open tables;
Database Table In_use Name_locked
test t1 0 0
mysql general_log 0 0
drop table t1;
create table t1 (a int not null, b VARCHAR(10), INDEX (b) ) AVG_ROW_LENGTH=10 CHECKSUM=1 COMMENT="test" ENGINE=MYISAM MIN_ROWS=10 MAX_ROWS=100 PACK_KEYS=1 DELAY_KEY_WRITE=1 ROW_FORMAT=fixed;
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"a" int(11) NOT NULL,
"b" varchar(10),
KEY "b" ("b")
) ENGINE=MyISAM DEFAULT CHARSET=latin1 MIN_ROWS=10 MAX_ROWS=100 AVG_ROW_LENGTH=10 PACK_KEYS=1 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED COMMENT='test'
alter table t1 MAX_ROWS=200 ROW_FORMAT=dynamic PACK_KEYS=0;
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"a" int(11) NOT NULL,
"b" varchar(10),
KEY "b" ("b")
) ENGINE=MyISAM DEFAULT CHARSET=latin1 MIN_ROWS=10 MAX_ROWS=200 AVG_ROW_LENGTH=10 PACK_KEYS=0 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=DYNAMIC COMMENT='test'
ALTER TABLE t1 AVG_ROW_LENGTH=0 CHECKSUM=0 COMMENT="" MIN_ROWS=0 MAX_ROWS=0 PACK_KEYS=DEFAULT DELAY_KEY_WRITE=0 ROW_FORMAT=default;
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"a" int(11) NOT NULL,
"b" varchar(10),
KEY "b" ("b")
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a decimal(9,2), b decimal (9,0), e double(9,2), f double(5,0), h float(3,2), i float(3,0));
show columns from t1;
Field Type Null Key Default Extra
a decimal(9,2) YES NULL
b decimal(9,0) YES NULL
e double(9,2) YES NULL
f double(5,0) YES NULL
h float(3,2) YES NULL
i float(3,0) YES NULL
show full columns from t1;
Field Type Collation Null Key Default Extra Privileges Comment
a decimal(9,2) NULL YES NULL
b decimal(9,0) NULL YES NULL
e double(9,2) NULL YES NULL
f double(5,0) NULL YES NULL
h float(3,2) NULL YES NULL
i float(3,0) NULL YES NULL
drop table t1;
create table t1 (
type_bool bool not null default 0,
type_tiny tinyint not null auto_increment primary key,
type_short smallint(3),
type_mediumint mediumint,
type_bigint bigint,
type_decimal decimal(5,2),
type_numeric numeric(5,2),
empty_char char(0),
type_char char(2),
type_varchar varchar(10),
type_timestamp timestamp not null,
type_date date not null default '0000-00-00',
type_time time not null default '00:00:00',
type_datetime datetime not null default '0000-00-00 00:00:00',
type_year year,
type_enum enum ('red', 'green', 'blue'),
type_set enum ('red', 'green', 'blue'),
type_tinyblob tinyblob,
type_blob blob,
type_medium_blob mediumblob,
type_long_blob longblob,
index(type_short)
) AVG_ROW_LENGTH=10 CHECKSUM=1 COMMENT="test" ENGINE=MYISAM MIN_ROWS=10 MAX_ROWS=100 PACK_KEYS=1 DELAY_KEY_WRITE=1 ROW_FORMAT=fixed CHARSET=latin1;
show create table t1;
Table Create Table
t1 CREATE TABLE "t1" (
"type_bool" tinyint(1) NOT NULL,
"type_tiny" tinyint(4) NOT NULL AUTO_INCREMENT,
"type_short" smallint(3),
"type_mediumint" mediumint(9),
"type_bigint" bigint(20),
"type_decimal" decimal(5,2),
"type_numeric" decimal(5,2),
"empty_char" char(0),
"type_char" char(2),
"type_varchar" varchar(10),
"type_timestamp" timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
"type_date" date NOT NULL,
"type_time" time NOT NULL,
"type_datetime" datetime NOT NULL,
"type_year" year(4),
"type_enum" enum('red','green','blue'),
"type_set" enum('red','green','blue'),
"type_tinyblob" tinyblob,
"type_blob" blob,
"type_medium_blob" mediumblob,
"type_long_blob" longblob,
PRIMARY KEY ("type_tiny"),
KEY "type_short" ("type_short")
) ENGINE=MyISAM DEFAULT CHARSET=latin1 MIN_ROWS=10 MAX_ROWS=100 AVG_ROW_LENGTH=10 PACK_KEYS=1 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED COMMENT='test'
insert into t1 (type_timestamp) values ("2003-02-07 10:00:01");
select * from t1;
type_bool type_tiny type_short type_mediumint type_bigint type_decimal type_numeric empty_char type_char type_varchar type_timestamp type_date type_time type_datetime type_year type_enum type_set type_tinyblob type_blob type_medium_blob type_long_blob
0 1 NULL NULL NULL NULL NULL NULL NULL NULL 2003-02-07 10:00:01 0000-00-00 00:00:00 0000-00-00 00:00:00 NULL NULL NULL NULL NULL NULL NULL
drop table t1;
create table t1 (a int not null);
create table t2 select max(a) from t1;
show columns from t2;
Field Type Null Key Default Extra
max(a) int(11) YES NULL
drop table t1,t2;
create table t1 (c decimal, d double, f float, r real);
show columns from t1;
Field Type Null Key Default Extra
c decimal(10,0) YES NULL
d double YES NULL
f float YES NULL
r double YES NULL
drop table t1;
create table t1 (c decimal(3,3), d double(3,3), f float(3,3));
show columns from t1;
Field Type Null Key Default Extra
c decimal(3,3) YES NULL
d double(3,3) YES NULL
f float(3,3) YES NULL
drop table t1;
CREATE TABLE ```ab``cd``` (i INT);
SHOW CREATE TABLE ```ab``cd```;
Table Create Table
`ab`cd` CREATE TABLE "`ab`cd`" (
"i" int(11)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE ```ab``cd```;
CREATE TABLE ```ab````cd``` (i INT);
SHOW CREATE TABLE ```ab````cd```;
Table Create Table
`ab``cd` CREATE TABLE "`ab``cd`" (
"i" int(11)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE ```ab````cd```;
CREATE TABLE ```a` (i INT);
SHOW CREATE TABLE ```a`;
Table Create Table
`a CREATE TABLE "`a" (
"i" int(11)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE ```a`;
CREATE TABLE `a.1` (i INT);
SHOW CREATE TABLE `a.1`;
Table Create Table
a.1 CREATE TABLE "a.1" (
"i" int(11)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE `a.1`;
select @@max_heap_table_size;
@@max_heap_table_size
1048576
CREATE TABLE t1 (
a int(11) default NULL,
KEY a USING BTREE (a)
) ENGINE=HEAP;
CREATE TABLE t2 (
b int(11) default NULL,
index(b)
) ENGINE=HEAP;
CREATE TABLE t3 (
a int(11) default NULL,
b int(11) default NULL,
KEY a USING BTREE (a),
index(b)
) ENGINE=HEAP;
insert into t1 values (1),(2);
insert into t2 values (1),(2);
insert into t3 values (1,1),(2,2);
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t3 MEMORY 10 Fixed 2 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
insert into t1 values (3),(4);
insert into t2 values (3),(4);
insert into t3 values (3,3),(4,4);
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t3 MEMORY 10 Fixed 4 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
insert into t1 values (5);
insert into t2 values (5);
insert into t3 values (5,5);
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t3 MEMORY 10 Fixed 5 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
delete from t1 where a=3;
delete from t2 where b=3;
delete from t3 where a=3;
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
t3 MEMORY 10 Fixed 4 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
truncate table t1;
truncate table t2;
truncate table t3;
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t3 MEMORY 10 Fixed 0 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
insert into t1 values (5);
insert into t2 values (5);
insert into t3 values (5,5);
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t3 MEMORY 10 Fixed 1 # # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
delete from t1 where a=5;
delete from t2 where b=5;
delete from t3 where a=5;
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
t3 MEMORY 10 Fixed 0 # # # # # NULL NULL NULL NULL latin1_swedish_ci NULL
drop table t1, t2, t3;
CREATE TABLE t1 (i int, KEY (i)) ENGINE=MEMORY;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i")
) ENGINE=MEMORY DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (i int, KEY USING HASH (i)) ENGINE=MEMORY;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i") USING HASH
) ENGINE=MEMORY DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MEMORY;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i") USING BTREE
) ENGINE=MEMORY DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (i int, KEY (i)) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i")
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i") USING BTREE
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (i int, KEY (i)) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i")
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 ENGINE=MEMORY;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i")
) ENGINE=MEMORY DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (i int, KEY USING BTREE (i)) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i") USING BTREE
) ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 ENGINE=MEMORY;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"i" int(11),
KEY "i" ("i") USING BTREE
) ENGINE=MEMORY DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(
field1 text NOT NULL,
PRIMARY KEY(field1(1000))
);
show index from t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def STATISTICS TABLE_NAME Table 253 64 2 N 1 0 8
def STATISTICS NON_UNIQUE Non_unique 8 1 1 N 32769 0 63
def STATISTICS INDEX_NAME Key_name 253 64 7 N 1 0 8
def STATISTICS SEQ_IN_INDEX Seq_in_index 8 2 1 N 32769 0 63
def STATISTICS COLUMN_NAME Column_name 253 64 6 N 1 0 8
def STATISTICS COLLATION Collation 253 1 1 Y 0 0 8
def STATISTICS CARDINALITY Cardinality 8 21 1 Y 32768 0 63
def STATISTICS SUB_PART Sub_part 8 3 4 Y 32768 0 63
def STATISTICS PACKED Packed 253 10 0 Y 0 0 8
def STATISTICS NULLABLE Null 253 3 0 N 1 0 8
def STATISTICS INDEX_TYPE Index_type 253 16 5 N 1 0 8
def STATISTICS COMMENT Comment 253 16 0 Y 0 0 8
def STATISTICS INDEX_COMMENT Index_Comment 253 1024 0 N 1 0 8
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 field1 A 0 1000 NULL BTREE
drop table t1;
create table t1 (
c1 int NOT NULL,
c2 int NOT NULL,
PRIMARY KEY USING HASH (c1),
INDEX USING BTREE(c2)
);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"c1" int(11) NOT NULL,
"c2" int(11) NOT NULL,
PRIMARY KEY ("c1") USING HASH,
KEY "c2" ("c2") USING BTREE
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
flush tables;
SHOW TABLE STATUS like 't1';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 NULL NULL NULL NULL # # # # NULL NULL NULL NULL NULL NULL NULL NULL Incorrect information in file: './test/t1.frm'
show create table t1;
ERROR HY000: Incorrect information in file: './test/t1.frm'
drop table if exists t1;
# Bug#12183: SHOW OPEN TABLES behavior doesn't match grammar.
DROP DATABASE IF EXISTS mysqltest1;
CREATE DATABASE mysqltest1;
use mysqltest1;
CREATE TABLE t1(a INT);
CREATE TABLE t2(a INT);
FLUSH TABLES;
SELECT 1 FROM t1;
1
SELECT 1 FROM t2;
1
SHOW OPEN TABLES FROM mysqltest1;
Database Table In_use Name_locked
mysqltest1 t1 0 0
mysqltest1 t2 0 0
SHOW OPEN TABLES FROM mysqltest1 LIKE 'z%';
Database Table In_use Name_locked
SHOW OPEN TABLES FROM mysqltest1 LIKE 't1%';
Database Table In_use Name_locked
mysqltest1 t1 0 0
SHOW OPEN TABLES FROM mysqltest1 LIKE '%1%';
Database Table In_use Name_locked
mysqltest1 t1 0 0
FLUSH TABLES;
DROP DATABASE mysqltest1;
use test;
SHOW TABLES FROM non_existing_database;
ERROR 42000: Unknown database 'non_existing_database'
End of 4.1 tests
SHOW TABLES FROM no_such_database;
ERROR 42000: Unknown database 'no_such_database'
SHOW COLUMNS FROM no_such_table;
ERROR 42S02: Table 'test.no_such_table' doesn't exist
flush status;
show variables like "log_queries_not_using_indexes";
Variable_name Value
log_queries_not_using_indexes ON
select 1 from information_schema.tables limit 1;
1
1
show status like 'slow_queries';
Variable_name Value
Slow_queries 1
set global log_queries_not_using_indexes=OFF;
show variables like "log_queries_not_using_indexes";
Variable_name Value
log_queries_not_using_indexes OFF
select 1 from information_schema.tables limit 1;
1
1
show status like 'slow_queries';
Variable_name Value
Slow_queries 1
set global log_queries_not_using_indexes=ON;
show variables like "log_queries_not_using_indexes";
Variable_name Value
log_queries_not_using_indexes ON
select 1 from information_schema.tables limit 1;
1
1
show status like 'slow_queries';
Variable_name Value
Slow_queries 2
show variables like 'myisam_recover_options';
Variable_name Value
myisam_recover_options OFF
End of 5.0 tests
SHOW AUTHORS;
show plugins;
create database `mysqlttest\1`;
create table `mysqlttest\1`.`a\b` (a int);
show tables from `mysqlttest\1`;
Tables_in_mysqlttest\1
a\b
show fields from `mysqlttest\1`.`a\b`;
Field Type Null Key Default Extra
a int(11) YES NULL
show columns from `a\b` from `mysqlttest\1`;
Field Type Null Key Default Extra
a int(11) YES NULL
show keys from `mysqlttest\1`.`a\b`;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_Comment
drop table `mysqlttest\1`.`a\b`;
drop database `mysqlttest\1`;
show engine foobar status;
ERROR 42000: Unknown table engine 'foobar'
show engine foobar logs;
ERROR 42000: Unknown table engine 'foobar'
show engine foobar mutex;
ERROR 42000: Unknown table engine 'foobar'
show engine mutex status;
ERROR 42000: Unknown table engine 'mutex'
show engine csv status;
Type Name Status
show engine csv logs;
Type Name Status
show engine csv mutex;
Type Name Status
set names utf8;
drop table if exists `été`;
create table `été` (field1 int);
show full tables;
Tables_in_test Table_type
été BASE TABLE
drop table `été`;
set names latin1;
show columns from `#mysql50#????????`;
Got one of the listed errors
End of 5.1 tests
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