| Current Path : /usr/opt/mysql57/mysql-test/suite/gcol/r/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/opt/mysql57/mysql-test/suite/gcol/r/gcol_supported_sql_funcs_myisam.result |
SET @@session.default_storage_engine = 'MyISAM';
#
# NUMERIC FUNCTIONS
#
# ABS()
set sql_warnings = 1;
create table t1 (a int, b int generated always as (abs(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (abs(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-1, default);
select * from t1;
a b
-1 1
drop table t1;
set sql_warnings = 0;
# ACOS()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(acos(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(acos(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1, default);
insert into t1 values (1.0001,default);
insert into t1 values (0,default);
select * from t1;
a b
0 1.570796
1 0
1.0001 NULL
drop table t1;
set sql_warnings = 0;
# ASIN()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(asin(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(asin(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (0.2, default);
insert into t1 values (1.0001,default);
select * from t1;
a b
0.2 0.201358
1.0001 NULL
drop table t1;
set sql_warnings = 0;
#ATAN
set sql_warnings = 1;
create table t1 (a double, b double, c double generated always as (format(atan(a,b),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double DEFAULT NULL,
`c` double GENERATED ALWAYS AS (format(atan(`a`,`b`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-2,2,default);
insert into t1 values (format(PI(),6),0,default);
select * from t1;
a b c
-2 2 -0.785398
3.141593 0 1.570796
drop table t1;
set sql_warnings = 0;
set sql_warnings = 1;
create table t1 (a double, c double generated always as (format(atan(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`c` double GENERATED ALWAYS AS (format(atan(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-2,default);
insert into t1 values (format(PI(),6),default);
select * from t1;
a c
-2 -1.107149
3.141593 1.262627
drop table t1;
set sql_warnings = 0;
# ATAN2
set sql_warnings = 1;
create table t1 (a double, b double, c double generated always as (format(atan2(a,b),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double DEFAULT NULL,
`c` double GENERATED ALWAYS AS (format(atan(`a`,`b`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-2,2,default);
insert into t1 values (format(PI(),6),0,default);
select * from t1;
a b c
-2 2 -0.785398
3.141593 0 1.570796
drop table t1;
set sql_warnings = 0;
# CEIL()
set sql_warnings = 1;
create table t1 (a double, b int generated always as (ceil(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (ceiling(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1.23,default);
insert into t1 values (-1.23,default);
select * from t1;
a b
-1.23 -1
1.23 2
drop table t1;
set sql_warnings = 0;
# CONV()
set sql_warnings = 1;
create table t1 (a varchar(10), b int, c int, d varchar(10) generated always as (conv(a,b,c)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
`d` varchar(10) GENERATED ALWAYS AS (conv(`a`,`b`,`c`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a',16,2,default);
insert into t1 values ('6e',18,8,default);
insert into t1 values (-17,10,-18,default);
insert into t1 values (10+'10'+'10'+0xa,10,10,default);
select * from t1;
a b c d
-17 10 -18 -H
40 10 10 40
6e 18 8 172
a 16 2 1010
drop table t1;
set sql_warnings = 0;
# COS()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(cos(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(cos(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (format(PI(),6),default);
select * from t1;
a b
3.141593 -1
drop table t1;
set sql_warnings = 0;
# COT()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(cot(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(cot(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (0,default);
insert into t1 values (12,default);
select * from t1;
a b
12 -1.572673
drop table t1;
set sql_warnings = 0;
# CRC32()
set sql_warnings = 1;
create table t1 (a varchar(10), b bigint generated always as (crc32(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (crc32(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
insert into t1 values ('mysql',default);
select * from t1;
a b
MySQL 3259397556
mysql 2501908538
drop table t1;
set sql_warnings = 0;
# DEGREES()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(degrees(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(degrees(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (format(PI(),6),default);
insert into t1 values (format(PI()/2,6),default);
select * from t1;
a b
1.570796 89.999981
3.141593 180.00002
drop table t1;
set sql_warnings = 0;
# /
set sql_warnings = 1;
create table t1 (a double, b double generated always as (a/2) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS ((`a` / 2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2,default);
select * from t1;
a b
2 1
drop table t1;
set sql_warnings = 0;
# EXP()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(exp(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(exp(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2,default);
insert into t1 values (-2,default);
insert into t1 values (0,default);
select * from t1;
a b
-2 0.135335
0 1
2 7.389056
drop table t1;
set sql_warnings = 0;
# FLOOR()
set sql_warnings = 1;
create table t1 (a double, b bigint generated always as (floor(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (floor(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1.23,default);
insert into t1 values (-1.23,default);
select * from t1;
a b
-1.23 -2
1.23 1
drop table t1;
set sql_warnings = 0;
# LN()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(ln(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(ln(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2,default);
insert into t1 values (-2,default);
select * from t1;
a b
2 0.693147
drop table t1;
set sql_warnings = 0;
# LOG()
set sql_warnings = 1;
create table t1 (a double, b double, c double generated always as (format(log(a,b),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double DEFAULT NULL,
`c` double GENERATED ALWAYS AS (format(log(`a`,`b`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2,65536,default);
insert into t1 values (10,100,default);
insert into t1 values (1,100,default);
select * from t1;
a b c
10 100 2
2 65536 16
drop table t1;
set sql_warnings = 0;
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(log(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(log(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2,default);
insert into t1 values (-2,default);
select * from t1;
a b
2 0.693147
drop table t1;
set sql_warnings = 0;
# LOG2()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(log2(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(log2(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (65536,default);
insert into t1 values (-100,default);
select * from t1;
a b
65536 16
drop table t1;
set sql_warnings = 0;
# LOG10()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(log10(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(log10(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2,default);
insert into t1 values (100,default);
insert into t1 values (-100,default);
select * from t1;
a b
100 2
2 0.30103
drop table t1;
set sql_warnings = 0;
# -
set sql_warnings = 1;
create table t1 (a double, b double generated always as (a-1) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS ((`a` - 1)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2,default);
select * from t1;
a b
2 1
drop table t1;
set sql_warnings = 0;
# MOD()
set sql_warnings = 1;
create table t1 (a int, b int generated always as (mod(a,10)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` % 10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (11,default);
select * from t1;
a b
1 1
11 1
drop table t1;
set sql_warnings = 0;
# %
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a % 10) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` % 10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (11,default);
select * from t1;
a b
1 1
11 1
drop table t1;
set sql_warnings = 0;
# OCT()
set sql_warnings = 1;
create table t1 (a double, b varchar(10) generated always as (oct(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (conv(`a`,10,8)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (12,default);
select * from t1;
a b
12 14
drop table t1;
set sql_warnings = 0;
# PI()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(PI()*a*a,6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(((pi() * `a`) * `a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
select * from t1;
a b
1 3.141593
drop table t1;
set sql_warnings = 0;
# +
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a+1) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` + 1)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
select * from t1;
a b
1 2
drop table t1;
set sql_warnings = 0;
# POW, POWER
set sql_warnings = 1;
create table t1 (a int, b int generated always as (pow(a,2)) virtual, c int generated always as (power(a,2)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (pow(`a`,2)) VIRTUAL,
`c` int(11) GENERATED ALWAYS AS (pow(`a`,2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default,default);
insert into t1 values (2,default,default);
select * from t1;
a b c
1 1 1
2 4 4
drop table t1;
set sql_warnings = 0;
# RADIANS()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(radians(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(radians(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (90,default);
select * from t1;
a b
90 1.570796
drop table t1;
set sql_warnings = 0;
# ROUND()
set sql_warnings = 1;
create table t1 (a double, b int generated always as (round(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (round(`a`,0)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-1.23,default);
insert into t1 values (-1.58,default);
insert into t1 values (1.58,default);
select * from t1;
a b
-1.23 -1
-1.58 -2
1.58 2
drop table t1;
set sql_warnings = 0;
set sql_warnings = 1;
create table t1 (a double, b double, c int generated always as (round(a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double DEFAULT NULL,
`c` int(11) GENERATED ALWAYS AS (round(`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1.298,1,default);
insert into t1 values (1.298,0,default);
insert into t1 values (23.298,-1,default);
select * from t1;
a b c
1.298 0 1
1.298 1 1
23.298 -1 20
drop table t1;
set sql_warnings = 0;
# SIGN()
set sql_warnings = 1;
create table t1 (a double, b int generated always as (sign(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (sign(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-32,default);
insert into t1 values (0,default);
insert into t1 values (234,default);
select * from t1;
a b
-32 -1
0 0
234 1
drop table t1;
set sql_warnings = 0;
# SIN()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(sin(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(sin(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (format(PI()/2,6),default);
select * from t1;
a b
1.570796 1
drop table t1;
set sql_warnings = 0;
# SQRT()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(sqrt(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(sqrt(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (4,default);
insert into t1 values (20,default);
insert into t1 values (-16,default);
select * from t1;
a b
-16 NULL
20 4.472136
4 2
drop table t1;
set sql_warnings = 0;
# TAN()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (format(tan(a),6)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (format(tan(`a`),6)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (format(PI(),6),default);
insert into t1 values (format(PI()+1,6),default);
select * from t1;
a b
3.141593 0
4.141593 1.557409
drop table t1;
set sql_warnings = 0;
# *
set sql_warnings = 1;
create table t1 (a double, b double generated always as (a*3) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS ((`a` * 3)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (0,default);
insert into t1 values (1,default);
insert into t1 values (2,default);
select * from t1;
a b
0 0
1 3
2 6
drop table t1;
set sql_warnings = 0;
# TRUNCATE()
set sql_warnings = 1;
create table t1 (a double, b double generated always as (truncate(a,4)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (truncate(`a`,4)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1.223,default);
insert into t1 values (1.999,default);
insert into t1 values (1.999,default);
insert into t1 values (122,default);
select * from t1;
a b
1.223 1.223
1.999 1.999
1.999 1.999
122 122
drop table t1;
set sql_warnings = 0;
# Unary -
set sql_warnings = 1;
create table t1 (a double, b double generated always as (-a) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` double GENERATED ALWAYS AS (-(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (-1,default);
select * from t1;
a b
-1 1
1 -1
drop table t1;
set sql_warnings = 0;
#
# STRING FUNCTIONS
#
# ASCII()
set sql_warnings = 1;
create table t1 (a char(2), b int generated always as (ascii(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(2) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (ascii(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2',default);
insert into t1 values (2,default);
insert into t1 values ('dx',default);
select * from t1;
a b
2 50
2 50
dx 100
drop table t1;
set sql_warnings = 0;
# BIN()
set sql_warnings = 1;
create table t1 (a int, b varchar(10) generated always as (bin(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (conv(`a`,10,2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (12,default);
select * from t1;
a b
12 1100
drop table t1;
set sql_warnings = 0;
# BIT_LENGTH()
set sql_warnings = 1;
create table t1 (a varchar(10), b bigint generated always as (bit_length(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (bit_length(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('text',default);
select * from t1;
a b
text 32
drop table t1;
set sql_warnings = 0;
# CHAR_LENGTH()
set sql_warnings = 1;
create table t1 (a varchar(10), b bigint generated always as (char_length(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (char_length(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('text',default);
select * from t1;
a b
text 4
drop table t1;
set sql_warnings = 0;
# CHAR()
set sql_warnings = 1;
create table t1 (a int, b int, c varbinary(10) generated always as (char(a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` varbinary(10) GENERATED ALWAYS AS (char(`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (77,121,default);
select * from t1;
a b c
77 121 My
drop table t1;
set sql_warnings = 0;
# CHARACTER_LENGTH()
set sql_warnings = 1;
create table t1 (a varchar(10), b bigint generated always as (character_length(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (char_length(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('text',default);
select * from t1;
a b
text 4
drop table t1;
set sql_warnings = 0;
# CONCAT_WS()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c varchar(20) generated always as (concat_ws(',',a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` varchar(20) GENERATED ALWAYS AS (concat_ws(',',`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('value1','value2',default);
select * from t1;
a b c
value1 value2 value1,value2
drop table t1;
set sql_warnings = 0;
# CONCAT()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c varchar(20) generated always as (concat(a,',',b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` varchar(20) GENERATED ALWAYS AS (concat(`a`,',',`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('value1','value2',default);
select * from t1;
a b c
value1 value2 value1,value2
drop table t1;
set sql_warnings = 0;
# ELT()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c int, d varchar(10) generated always as (elt(c,a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
`d` varchar(10) GENERATED ALWAYS AS (elt(`c`,`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('value1','value2',1,default);
insert into t1 values ('value1','value2',2,default);
select * from t1;
a b c d
value1 value2 1 value1
value1 value2 2 value2
drop table t1;
set sql_warnings = 0;
# EXPORT_SET()
set sql_warnings = 1;
create table t1 (a int, b varchar(10) generated always as (export_set(a,'1','0','',10)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (export_set(`a`,'1','0','',10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (6,default);
select * from t1;
a b
6 0110000000
drop table t1;
set sql_warnings = 0;
# FIELD()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c int generated always as (field('aa',a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` int(11) GENERATED ALWAYS AS (field('aa',`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('aa','bb',default);
insert into t1 values ('bb','aa',default);
select * from t1;
a b c
aa bb 1
bb aa 2
drop table t1;
set sql_warnings = 0;
# FIND_IN_SET()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c int generated always as (find_in_set(a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` int(11) GENERATED ALWAYS AS (find_in_set(`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('aa','aa,bb,cc',default);
insert into t1 values ('aa','bb,aa,cc',default);
select * from t1;
a b c
aa aa,bb,cc 1
aa bb,aa,cc 2
drop table t1;
set sql_warnings = 0;
# FORMAT()
set sql_warnings = 1;
create table t1 (a double, b varchar(20) generated always as (format(a,2)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double DEFAULT NULL,
`b` varchar(20) GENERATED ALWAYS AS (format(`a`,2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (12332.123456,default);
select * from t1;
a b
12332.123456 12,332.12
drop table t1;
set sql_warnings = 0;
# HEX()
set sql_warnings = 1;
create table t1 (a int, b varchar(10) generated always as (hex(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (hex(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (17,default);
select * from t1;
a b
17 11
drop table t1;
set sql_warnings = 0;
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (hex(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (hex(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('abc',default);
select * from t1;
a b
abc 616263
drop table t1;
set sql_warnings = 0;
# INSERT()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c varchar(20) generated always as (insert(a,length(a),length(b),b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` varchar(20) GENERATED ALWAYS AS (insert(`a`,length(`a`),length(`b`),`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('start,','end',default);
select * from t1;
a b c
start, end startend
drop table t1;
set sql_warnings = 0;
# INSTR()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c int generated always as (instr(a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` int(11) GENERATED ALWAYS AS (locate(`b`,`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('foobarbar,','bar',default);
insert into t1 values ('xbar,','foobar',default);
select * from t1;
a b c
foobarbar, bar 4
xbar, foobar 0
drop table t1;
set sql_warnings = 0;
# LCASE()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (lcase(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (lower(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL mysql
drop table t1;
set sql_warnings = 0;
# LEFT()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(5) generated always as (left(a,5)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(5) GENERATED ALWAYS AS (left(`a`,5)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('foobarbar',default);
select * from t1;
a b
foobarbar fooba
drop table t1;
set sql_warnings = 0;
# LENGTH()
set sql_warnings = 1;
create table t1 (a varchar(10), b int generated always as (length(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('text',default);
select * from t1;
a b
text 4
drop table t1;
set sql_warnings = 0;
# LIKE
set sql_warnings = 1;
create table t1 (a varchar(10), b bool generated always as (a like 'H%o') virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((`a` like 'H%o')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
insert into t1 values ('MySQL',default);
select * from t1;
a b
Hello 1
MySQL 0
drop table t1;
set sql_warnings = 0;
# LOCATE()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (locate('bar',a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (locate('bar',`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('foobarbar',default);
select * from t1;
a b
foobarbar 4
drop table t1;
set sql_warnings = 0;
# LOWER()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (lower(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (lower(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL mysql
drop table t1;
set sql_warnings = 0;
# LPAD()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (lpad(a,4,' ')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (lpad(`a`,4,' ')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
insert into t1 values ('M',default);
select * from t1;
a b
M M
MySQL MySQ
drop table t1;
set sql_warnings = 0;
# LTRIM()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (ltrim(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (ltrim(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (' MySQL',default);
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL MySQL
MySQL MySQL
drop table t1;
set sql_warnings = 0;
# MAKE_SET()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c int, d varchar(30) generated always as (make_set(c,a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
`d` varchar(30) GENERATED ALWAYS AS (make_set(`c`,`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a','b',1,default);
insert into t1 values ('a','b',3,default);
select * from t1;
a b c d
a b 1 a
a b 3 a,b
drop table t1;
set sql_warnings = 0;
# MID()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (mid(a,1,2)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (substr(`a`,1,2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('foobarbar',default);
select * from t1;
a b
foobarbar fo
drop table t1;
set sql_warnings = 0;
# NOT LIKE
set sql_warnings = 1;
create table t1 (a varchar(10), b bool generated always as (a not like 'H%o') virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((not((`a` like 'H%o')))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
insert into t1 values ('MySQL',default);
select * from t1;
a b
Hello 0
MySQL 1
drop table t1;
set sql_warnings = 0;
# NOT REGEXP
set sql_warnings = 1;
create table t1 (a varchar(10), b bool generated always as (a not regexp 'H.+o') virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((not((`a` regexp 'H.+o')))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
insert into t1 values ('hello',default);
select * from t1;
a b
Hello 0
hello 0
drop table t1;
set sql_warnings = 0;
# OCTET_LENGTH()
set sql_warnings = 1;
create table t1 (a varchar(10), b int generated always as (octet_length(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('text',default);
select * from t1;
a b
text 4
drop table t1;
set sql_warnings = 0;
# ORD()
set sql_warnings = 1;
create table t1 (a varchar(10), b bigint generated always as (ord(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (ord(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2',default);
select * from t1;
a b
2 50
drop table t1;
set sql_warnings = 0;
# POSITION()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (position('bar' in a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (locate('bar',`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('foobarbar',default);
select * from t1;
a b
foobarbar 4
drop table t1;
set sql_warnings = 0;
# QUOTE()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (quote(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (quote(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Don''t',default);
select * from t1;
a b
Don't 'Don\'t'
drop table t1;
set sql_warnings = 0;
# REGEXP()
set sql_warnings = 1;
create table t1 (a varchar(10), b bool generated always as (a regexp 'H.+o') virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((`a` regexp 'H.+o')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
insert into t1 values ('hello',default);
select * from t1;
a b
Hello 1
hello 1
drop table t1;
set sql_warnings = 0;
# REPEAT()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(30) generated always as (repeat(a,3)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(30) GENERATED ALWAYS AS (repeat(`a`,3)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL MySQLMySQLMySQL
drop table t1;
set sql_warnings = 0;
# REPLACE()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(30) generated always as (replace(a,'aa','bb')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(30) GENERATED ALWAYS AS (replace(`a`,'aa','bb')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('maa',default);
select * from t1;
a b
maa mbb
drop table t1;
set sql_warnings = 0;
# REVERSE()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(30) generated always as (reverse(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(30) GENERATED ALWAYS AS (reverse(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('maa',default);
select * from t1;
a b
maa aam
drop table t1;
set sql_warnings = 0;
# RIGHT()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (right(a,4)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (right(`a`,4)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('foobarbar',default);
select * from t1;
a b
foobarbar rbar
drop table t1;
set sql_warnings = 0;
# RLIKE()
set sql_warnings = 1;
create table t1 (a varchar(10), b bool generated always as (a rlike 'H.+o') virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((`a` regexp 'H.+o')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
insert into t1 values ('MySQL',default);
select * from t1;
a b
Hello 1
MySQL 0
drop table t1;
set sql_warnings = 0;
# RPAD()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (rpad(a,4,'??')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (rpad(`a`,4,'??')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('He',default);
select * from t1;
a b
He He??
drop table t1;
set sql_warnings = 0;
# RTRIM();
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (rtrim(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (rtrim(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello ',default);
select * from t1;
a b
Hello Hello
drop table t1;
set sql_warnings = 0;
# SOUNDEX()
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(20) generated always as (soundex(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(20) GENERATED ALWAYS AS (soundex(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
select * from t1;
a b
Hello H400
drop table t1;
set sql_warnings = 0;
# SOUNDS LIKE
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a sounds like b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((soundex(`a`) = soundex(`b`))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello','Hello',default);
insert into t1 values ('Hello','MySQL',default);
insert into t1 values ('Hello','hello',default);
select * from t1;
a b c
Hello Hello 1
Hello MySQL 0
Hello hello 1
drop table t1;
set sql_warnings = 0;
# SPACE()
set sql_warnings = 1;
create table t1 (a varchar(5), b varchar(10) generated always as (concat(a,space(5))) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(5) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (concat(`a`,space(5))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello', default);
select * from t1;
a b
Hello Hello
drop table t1;
set sql_warnings = 0;
# STRCMP()
set sql_warnings = 1;
create table t1 (a varchar(9), b varchar(9), c tinyint(1) generated always as (strcmp(a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(9) DEFAULT NULL,
`b` varchar(9) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS (strcmp(`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello','Hello', default);
insert into t1 values ('Hello','Hello1', default);
select * from t1;
a b c
Hello Hello 0
Hello Hello1 -1
drop table t1;
set sql_warnings = 0;
# SUBSTR()
set sql_warnings = 1;
create table t1 (a varchar(5), b varchar(10) generated always as (substr(a,2)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(5) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (substr(`a`,2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
select * from t1;
a b
Hello ello
drop table t1;
set sql_warnings = 0;
# SUBSTRING_INDEX()
set sql_warnings = 1;
create table t1 (a varchar(15), b varchar(10) generated always as (substring_index(a,'.',2)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(15) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (substring_index(`a`,'.',2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('www.mysql.com',default);
select * from t1;
a b
www.mysql.com www.mysql
drop table t1;
set sql_warnings = 0;
# SUBSTRING()
set sql_warnings = 1;
create table t1 (a varchar(5), b varchar(10) generated always as (substring(a from 2 for 2)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(5) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (substr(`a`,2,2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('Hello',default);
select * from t1;
a b
Hello el
drop table t1;
set sql_warnings = 0;
# TRIM()
set sql_warnings = 1;
create table t1 (a varchar(15), b varchar(10) generated always as (trim(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(15) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (trim(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (' aa ',default);
select * from t1;
a b
aa aa
drop table t1;
set sql_warnings = 0;
# UCASE()
set sql_warnings = 1;
create table t1 (a varchar(5), b varchar(10) generated always as (ucase(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(5) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (upper(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL MYSQL
drop table t1;
set sql_warnings = 0;
# UNHEX()
set sql_warnings = 1;
create table t1 (a varchar(15), b varchar(10) generated always as (unhex(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(15) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (unhex(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('4D7953514C',default);
select * from t1;
a b
4D7953514C MySQL
drop table t1;
set sql_warnings = 0;
# UPPER()
set sql_warnings = 1;
create table t1 (a varchar(5), b varchar(10) generated always as (upper(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(5) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (upper(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL MYSQL
drop table t1;
set sql_warnings = 0;
# WEIGHT_STRING()
set sql_warnings = 1;
create table t1 (a varchar(5), b varchar(10) generated always as (weight_string(a as char(4))) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(5) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (weight_string(`a` as char(4))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL MYSQ
drop table t1;
set sql_warnings = 0;
#
# CONTROL FLOW FUNCTIONS
#
# CASE
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(16) generated always as (case a when NULL then 'asd' when 'b' then 'B' else a end) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(16) GENERATED ALWAYS AS ((case `a` when NULL then 'asd' when 'b' then 'B' else `a` end)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (NULL,default);
insert into t1 values ('b',default);
insert into t1 values ('c',default);
select * from t1;
a b
NULL NULL
b B
c c
drop table t1;
set sql_warnings = 0;
# IF
set sql_warnings = 1;
create table t1 (a int, b int, c int generated always as (if(a=1,a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) GENERATED ALWAYS AS (if((`a` = 1),`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,2,default);
insert into t1 values (3,4,default);
select * from t1;
a b c
1 2 1
3 4 4
drop table t1;
set sql_warnings = 0;
# IFNULL
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c varchar(10) generated always as (ifnull(a,'DEFAULT')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` varchar(10) GENERATED ALWAYS AS (ifnull(`a`,'DEFAULT')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (NULL,'adf',default);
insert into t1 values ('a','adf',default);
select * from t1;
a b c
NULL adf DEFAULT
a adf a
drop table t1;
set sql_warnings = 0;
# NULLIF
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10) generated always as (nullif(a,'DEFAULT')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (nullif(`a`,'DEFAULT')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('DEFAULT',default);
insert into t1 values ('a',default);
select * from t1;
a b
DEFAULT NULL
a a
drop table t1;
set sql_warnings = 0;
#
# OPERATORS
#
# AND, &&
set sql_warnings = 1;
create table t1 (a int, b bool generated always as (a>0 && a<2) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS (((`a` > 0) and (`a` < 2))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-1,default);
insert into t1 values (1,default);
select * from t1;
a b
-1 0
1 1
drop table t1;
set sql_warnings = 0;
# BETWEEN ... AND ...
set sql_warnings = 1;
create table t1 (a int, b bool generated always as (a between 0 and 2) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((`a` between 0 and 2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-1,default);
insert into t1 values (1,default);
select * from t1;
a b
-1 0
1 1
drop table t1;
set sql_warnings = 0;
# BINARY
set sql_warnings = 1;
create table t1 (a varchar(10), b varbinary(10) generated always as (binary a) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varbinary(10) GENERATED ALWAYS AS (cast(`a` as char charset binary)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('11',default);
insert into t1 values (1,default);
select * from t1;
a b
1 1
11 11
drop table t1;
set sql_warnings = 0;
# &
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a & 5) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` & 5)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (0,default);
select * from t1;
a b
0 0
1 1
drop table t1;
set sql_warnings = 0;
# ~
set sql_warnings = 1;
create table t1 (a int, b int generated always as (~a) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (~(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
select * from t1;
a b
drop table t1;
set sql_warnings = 0;
# |
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a | 5) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` | 5)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (0,default);
insert into t1 values (2,default);
select * from t1;
a b
0 5
1 5
2 7
drop table t1;
set sql_warnings = 0;
# ^
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a ^ 5) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` ^ 5)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (0,default);
insert into t1 values (2,default);
select * from t1;
a b
0 5
1 4
2 7
drop table t1;
set sql_warnings = 0;
# DIV
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a div 5) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` DIV 5)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (7,default);
select * from t1;
a b
1 0
7 1
drop table t1;
set sql_warnings = 0;
# <=>
set sql_warnings = 1;
create table t1 (a int, b int, c bool generated always as (a <=> b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` <=> `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,1,default);
insert into t1 values (NULL,NULL,default);
insert into t1 values (1,NULL,default);
select * from t1;
a b c
1 1 1
1 NULL 0
NULL NULL 1
drop table t1;
set sql_warnings = 0;
# =
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a=b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` = `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a','b',default);
insert into t1 values ('a','a',default);
select * from t1;
a b c
a a 1
a b 0
drop table t1;
set sql_warnings = 0;
# >=
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a >= b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` >= `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a','b',default);
insert into t1 values ('a','a',default);
select * from t1;
a b c
a a 1
a b 0
drop table t1;
set sql_warnings = 0;
# >
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a > b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` > `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a','b',default);
insert into t1 values ('a','a',default);
select * from t1;
a b c
a a 0
a b 0
drop table t1;
set sql_warnings = 0;
# IS NOT NULL
set sql_warnings = 1;
create table t1 (a int, b bool generated always as (a is not null) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((`a` is not null)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (NULL,default);
select * from t1;
a b
1 1
NULL 0
drop table t1;
set sql_warnings = 0;
# IS NULL
set sql_warnings = 1;
create table t1 (a int, b bool generated always as (a is null) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS (isnull(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (NULL,default);
select * from t1;
a b
1 0
NULL 1
drop table t1;
set sql_warnings = 0;
# <<
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a << 2) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` << 2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (3,default);
select * from t1;
a b
1 4
3 12
drop table t1;
set sql_warnings = 0;
# <=
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a <= b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` <= `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('b','a',default);
insert into t1 values ('b','b',default);
insert into t1 values ('b','c',default);
select * from t1;
a b c
b a 0
b b 1
b c 1
drop table t1;
set sql_warnings = 0;
# <
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a < b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` < `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('b','a',default);
insert into t1 values ('b','b',default);
insert into t1 values ('b','c',default);
select * from t1;
a b c
b a 0
b b 0
b c 1
drop table t1;
set sql_warnings = 0;
# NOT BETWEEN ... AND ...
set sql_warnings = 1;
create table t1 (a int, b bool generated always as (a not between 0 and 2) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` tinyint(1) GENERATED ALWAYS AS ((`a` not between 0 and 2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (-1,default);
insert into t1 values (1,default);
select * from t1;
a b
-1 1
1 0
drop table t1;
set sql_warnings = 0;
# <>
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a <> b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` <> `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('b','a',default);
insert into t1 values ('b','b',default);
insert into t1 values ('b','c',default);
select * from t1;
a b c
b a 1
b b 0
b c 1
drop table t1;
set sql_warnings = 0;
# !=
set sql_warnings = 1;
create table t1 (a varchar(10), b varchar(10), c bool generated always as (a != b) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) DEFAULT NULL,
`b` varchar(10) DEFAULT NULL,
`c` tinyint(1) GENERATED ALWAYS AS ((`a` <> `b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('b','a',default);
insert into t1 values ('b','b',default);
insert into t1 values ('b','c',default);
select * from t1;
a b c
b a 1
b b 0
b c 1
drop table t1;
set sql_warnings = 0;
# ||, OR
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a>5 || a<3) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (((`a` > 5) or (`a` < 3))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (4,default);
select * from t1;
a b
1 1
4 0
drop table t1;
set sql_warnings = 0;
# >>
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a >> 2) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` >> 2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (8,default);
insert into t1 values (3,default);
select * from t1;
a b
3 0
8 2
drop table t1;
set sql_warnings = 0;
# XOR
set sql_warnings = 1;
create table t1 (a int, b int generated always as (a xor 5) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS ((`a` xor 5)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (0,default);
insert into t1 values (1,default);
insert into t1 values (2,default);
select * from t1;
a b
0 1
1 0
2 0
drop table t1;
set sql_warnings = 0;
#
# DATE AND TIME FUNCTIONS
#
# ADDDATE()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (adddate(a,interval 1 month)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS ((`a` + interval 1 month)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008-09-30 00:00:00
drop table t1;
set sql_warnings = 0;
# ADDTIME()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (addtime(a,'02:00:00')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (addtime(`a`,'02:00:00')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008-08-31 02:00:00
drop table t1;
set sql_warnings = 0;
# CONVERT_TZ()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (convert_tz(a,'MET','UTC')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (convert_tz(`a`,'MET','UTC')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008-08-30 22:00:00
drop table t1;
set sql_warnings = 0;
# DATE_ADD()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (date_add(a,interval 1 month)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS ((`a` + interval 1 month)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008-09-30 00:00:00
drop table t1;
set sql_warnings = 0;
# DATE_FORMAT()
set sql_warnings = 1;
create table t1 (a datetime, b varchar(64) generated always as (date_format(a,'%W %M %D')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` varchar(64) GENERATED ALWAYS AS (date_format(`a`,'%W %M %D')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 Sunday August 31st
drop table t1;
set sql_warnings = 0;
# DATE_SUB()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (date_sub(a,interval 1 month)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS ((`a` - interval 1 month)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008-07-31 00:00:00
drop table t1;
set sql_warnings = 0;
# DATE()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (date(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (cast(`a` as date)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31 02:00:00',default);
select * from t1;
a b
2008-08-31 02:00:00 2008-08-31 00:00:00
drop table t1;
set sql_warnings = 0;
# DATEDIFF()
set sql_warnings = 1;
create table t1 (a datetime, b bigint generated always as (datediff(a,'2000-01-01')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS ((to_days(`a`) - to_days('2000-01-01'))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 3165
drop table t1;
set sql_warnings = 0;
# DAY()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (day(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (dayofmonth(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 31
drop table t1;
set sql_warnings = 0;
# DAYNAME()
set sql_warnings = 1;
create table t1 (a datetime, b varchar(10) generated always as (dayname(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (dayname(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 Sunday
drop table t1;
set sql_warnings = 0;
# DAYOFMONTH()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (dayofmonth(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (dayofmonth(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 31
drop table t1;
set sql_warnings = 0;
# DAYOFWEEK()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (dayofweek(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (dayofweek(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 1
drop table t1;
set sql_warnings = 0;
# DAYOFYEAR()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (dayofyear(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (dayofyear(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 244
drop table t1;
set sql_warnings = 0;
# EXTRACT
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (extract(year from a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (extract(year from `a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008
drop table t1;
set sql_warnings = 0;
# FROM_DAYS()
set sql_warnings = 1;
create table t1 (a bigint, b datetime generated always as (from_days(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (from_days(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (730669,default);
select * from t1;
a b
730669 2000-07-03 00:00:00
drop table t1;
set sql_warnings = 0;
# FROM_UNIXTIME()
set sql_warnings = 1;
create table t1 (a bigint, b datetime generated always as (from_unixtime(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (from_unixtime(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1196440219,default);
select * from t1;
a b
1196440219 2007-11-30 19:30:19
drop table t1;
set sql_warnings = 0;
# GET_FORMAT()
set sql_warnings = 1;
create table t1 (a datetime, b varchar(32) generated always as (date_format(a,get_format(DATE,'EUR'))) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` varchar(32) GENERATED ALWAYS AS (date_format(`a`,get_format(DATE, 'EUR'))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 31.08.2008
drop table t1;
set sql_warnings = 0;
# HOUR()
set sql_warnings = 1;
create table t1 (a time, b bigint generated always as (hour(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` time DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (hour(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('10:05:03',default);
select * from t1;
a b
10:05:03 10
drop table t1;
set sql_warnings = 0;
# LAST_DAY()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (last_day(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (last_day(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2003-02-05',default);
insert into t1 values ('2003-02-32',default);
select * from t1;
a b
2003-02-05 00:00:00 2003-02-28 00:00:00
drop table t1;
set sql_warnings = 0;
# MAKEDATE()
set sql_warnings = 1;
create table t1 (a int, b datetime generated always as (makedate(a,1)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (makedate(`a`,1)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2001,default);
select * from t1;
a b
2001 2001-01-01 00:00:00
drop table t1;
set sql_warnings = 0;
# MAKETIME()
set sql_warnings = 1;
create table t1 (a int, b time generated always as (maketime(a,1,3)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` time GENERATED ALWAYS AS (maketime(`a`,1,3)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (12,default);
select * from t1;
a b
12 12:01:03
drop table t1;
set sql_warnings = 0;
# MICROSECOND()
set sql_warnings = 1;
create table t1 (a datetime, b bigint generated always as (microsecond(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (microsecond(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2009-12-31 12:00:00.123456',default);
insert into t1 values ('2009-12-31 23:59:59.000010',default);
select * from t1;
a b
2009-12-31 12:00:00 0
2009-12-31 23:59:59 0
drop table t1;
set sql_warnings = 0;
# MINUTE()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (minute(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (minute(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2009-12-31 23:59:59.000010',default);
select * from t1;
a b
2009-12-31 23:59:59 59
drop table t1;
set sql_warnings = 0;
# MONTH()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (month(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (month(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2009-12-31 23:59:59.000010',default);
select * from t1;
a b
2009-12-31 23:59:59 12
drop table t1;
set sql_warnings = 0;
# MONTHNAME()
set sql_warnings = 1;
create table t1 (a datetime, b varchar(16) generated always as (monthname(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` varchar(16) GENERATED ALWAYS AS (monthname(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2009-12-31 23:59:59.000010',default);
select * from t1;
a b
2009-12-31 23:59:59 December
drop table t1;
set sql_warnings = 0;
# PERIOD_ADD()
set sql_warnings = 1;
create table t1 (a int, b int generated always as (period_add(a,2)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (period_add(`a`,2)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (200801,default);
select * from t1;
a b
200801 200803
drop table t1;
set sql_warnings = 0;
# PERIOD_DIFF()
set sql_warnings = 1;
create table t1 (a int, b int, c int generated always as (period_diff(a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) GENERATED ALWAYS AS (period_diff(`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (200802,200703,default);
select * from t1;
a b c
200802 200703 11
drop table t1;
set sql_warnings = 0;
# QUARTER()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (quarter(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (quarter(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 3
drop table t1;
set sql_warnings = 0;
# SEC_TO_TIME()
set sql_warnings = 1;
create table t1 (a bigint, b time generated always as (sec_to_time(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) DEFAULT NULL,
`b` time GENERATED ALWAYS AS (sec_to_time(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (2378,default);
select * from t1;
a b
2378 00:39:38
drop table t1;
set sql_warnings = 0;
# SECOND()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (second(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (second(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('10:05:03',default);
select * from t1;
a b
2010-05-03 00:00:00 0
drop table t1;
set sql_warnings = 0;
# STR_TO_DATE()
set sql_warnings = 1;
create table t1 (a varchar(64), b datetime generated always as (str_to_date(a,'%m/%d/%Y')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(64) DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (str_to_date(`a`,'%m/%d/%Y')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('04/30/2004',default);
select * from t1;
a b
04/30/2004 2004-04-30 00:00:00
drop table t1;
set sql_warnings = 0;
# SUBDATE()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (subdate(a,interval 1 month)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS ((`a` - interval 1 month)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008-07-31 00:00:00
drop table t1;
set sql_warnings = 0;
# SUBTIME()
set sql_warnings = 1;
create table t1 (a datetime, b datetime generated always as (subtime(a,'02:00:00')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime GENERATED ALWAYS AS (subtime(`a`,'02:00:00')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31',default);
select * from t1;
a b
2008-08-31 00:00:00 2008-08-30 22:00:00
drop table t1;
set sql_warnings = 0;
# TIME_FORMAT()
set sql_warnings = 1;
create table t1 (a datetime, b varchar(32) generated always as (time_format(a,'%r')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` varchar(32) GENERATED ALWAYS AS (time_format(`a`,'%r')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31 02:03:04',default);
select * from t1;
a b
2008-08-31 02:03:04 02:03:04 AM
drop table t1;
set sql_warnings = 0;
# TIME_TO_SEC()
set sql_warnings = 1;
create table t1 (a time, b bigint generated always as (time_to_sec(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` time DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (time_to_sec(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('22:23:00',default);
select * from t1;
a b
22:23:00 80580
drop table t1;
set sql_warnings = 0;
# TIME()
set sql_warnings = 1;
create table t1 (a datetime, b time generated always as (time(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` time GENERATED ALWAYS AS (cast(`a` as time)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-08-31 02:03:04',default);
select * from t1;
a b
2008-08-31 02:03:04 02:03:04
drop table t1;
set sql_warnings = 0;
# TIMEDIFF()
set sql_warnings = 1;
create table t1 (a datetime, b datetime, c time generated always as (timediff(a,b)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` datetime DEFAULT NULL,
`c` time GENERATED ALWAYS AS (timediff(`a`,`b`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-12-31 23:59:59.000001','2008-12-30 01:01:01.000002',default);
select * from t1;
a b c
2008-12-31 23:59:59 2008-12-30 01:01:01 46:58:58
drop table t1;
set sql_warnings = 0;
# TIMESTAMP()
set sql_warnings = 1;
create table t1 (a datetime, b timestamp generated always as (timestamp(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` timestamp GENERATED ALWAYS AS (cast(`a` as datetime)) VIRTUAL NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-12-31',default);
select * from t1;
a b
2008-12-31 00:00:00 2008-12-31 00:00:00
drop table t1;
set sql_warnings = 0;
# TIMESTAMPADD()
set sql_warnings = 1;
create table t1 (a datetime, b timestamp generated always as (timestampadd(minute,1,a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` timestamp GENERATED ALWAYS AS ((`a` + interval 1 minute)) VIRTUAL NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2003-01-02',default);
select * from t1;
a b
2003-01-02 00:00:00 2003-01-02 00:01:00
drop table t1;
set sql_warnings = 0;
# TIMESTAMPDIFF()
set sql_warnings = 1;
create table t1 (a timestamp, c bigint generated always as (timestampdiff(MONTH, a, a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`c` bigint(20) GENERATED ALWAYS AS (timestampdiff(MONTH,`a`,`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2003-02-01',default);
select * from t1;
a c
2003-02-01 00:00:00 0
drop table t1;
set sql_warnings = 0;
# TO_DAYS()
set sql_warnings = 1;
create table t1 (a datetime, b bigint generated always as (to_days(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` bigint(20) GENERATED ALWAYS AS (to_days(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2007-10-07',default);
select * from t1;
a b
2007-10-07 00:00:00 733321
drop table t1;
set sql_warnings = 0;
# WEEK()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (week(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (week(`a`,0)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-09-01',default);
select * from t1;
a b
2008-09-01 00:00:00 35
drop table t1;
set sql_warnings = 0;
# WEEKDAY()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (weekday(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (weekday(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-09-01',default);
select * from t1;
a b
2008-09-01 00:00:00 0
drop table t1;
set sql_warnings = 0;
# WEEKOFYEAR()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (weekofyear(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (week(`a`,3)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-09-01',default);
select * from t1;
a b
2008-09-01 00:00:00 36
drop table t1;
set sql_warnings = 0;
# YEAR()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (year(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (year(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-09-01',default);
select * from t1;
a b
2008-09-01 00:00:00 2008
drop table t1;
set sql_warnings = 0;
# YEARWEEK()
set sql_warnings = 1;
create table t1 (a datetime, b int generated always as (yearweek(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (yearweek(`a`,0)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2008-09-01',default);
select * from t1;
a b
2008-09-01 00:00:00 200835
drop table t1;
set sql_warnings = 0;
#
# FULL TEXT SEARCH FUNCTIONS
#
# None.
#
# CAST FUNCTIONS AND OPERATORS
#
# CAST()
set sql_warnings = 1;
create table t1 (a int, b bigint unsigned generated always as (cast(a as unsigned)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` bigint(20) unsigned GENERATED ALWAYS AS (cast(`a` as unsigned)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (-1,default);
select * from t1;
a b
-1 18446744073709551615
1 1
drop table t1;
set sql_warnings = 0;
# Convert()
set sql_warnings = 1;
create table t1 (a int, b bigint unsigned generated always as (convert(a,unsigned)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` bigint(20) unsigned GENERATED ALWAYS AS (cast(`a` as unsigned)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (1,default);
insert into t1 values (-1,default);
select * from t1;
a b
-1 18446744073709551615
1 1
drop table t1;
set sql_warnings = 0;
#
# XML FUNCTIONS
#
# ExtractValue()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (ExtractValue(a,'/b')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (extractvalue(`a`,'/b')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('<b>text</b>',default);
select * from t1;
a b
<b>text</b> text
drop table t1;
set sql_warnings = 0;
# None.
#
# JSON functions
#
# JSON_PRETTY()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (JSON_PRETTY(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (json_pretty(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('{}', default);
select * from t1;
a b
{} {}
drop table t1;
set sql_warnings = 0;
# JSON_STORAGE_SIZE()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (JSON_STORAGE_SIZE(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (json_storage_size(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('{}', default);
select * from t1;
a b
{} 5
drop table t1;
set sql_warnings = 0;
#
# OTHER FUNCTIONS
#
# AES_DECRYPT(), AES_ENCRYPT()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (aes_encrypt(aes_decrypt(a,'adf'),'adf')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (aes_encrypt(aes_decrypt(`a`,'adf'),'adf')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL NULL
drop table t1;
set sql_warnings = 0;
# BIT_COUNT()
set sql_warnings = 1;
create table t1 (a int, b int generated always as (bit_count(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (bit_count(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (5,default);
select * from t1;
a b
5 2
drop table t1;
set sql_warnings = 0;
# CHARSET()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (charset(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (charset(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('abc',default);
select * from t1;
a b
abc latin1
drop table t1;
set sql_warnings = 0;
# COERCIBILITY()
set sql_warnings = 1;
create table t1 (a varchar(1024), b int generated always as (coercibility(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (coercibility(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('abc',default);
select * from t1;
a b
abc 2
drop table t1;
set sql_warnings = 0;
# COLLATION()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (collation(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (collation(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('abc',default);
select * from t1;
a b
abc latin1_swedish_ci
drop table t1;
set sql_warnings = 0;
# COMPRESS(), UNCOMPRESS()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (uncompress(compress(a))) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (uncompress(compress(`a`))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL MySQL
drop table t1;
set sql_warnings = 0;
# ENCODE(), DECODE()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (decode(encode(a,'abc'),'abc')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (decode(encode(`a`,'abc'),'abc')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
Warnings:
Warning 1287 'ENCODE' is deprecated and will be removed in a future release. Please use AES_ENCRYPT instead
Warning 1287 'DECODE' is deprecated and will be removed in a future release. Please use AES_DECRYPT instead
select * from t1;
a b
MySQL MySQL
Warning 1287 'DECODE' is deprecated and will be removed in a future release. Please use AES_DECRYPT instead
Warning 1287 'ENCODE' is deprecated and will be removed in a future release. Please use AES_ENCRYPT instead
Warnings:
drop table t1;
set sql_warnings = 0;
# DEFAULT()
set sql_warnings = 1;
create table t1 (a varchar(1024) default 'aaa', b varchar(1024) generated always as (ifnull(a,default(a))) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT 'aaa',
`b` varchar(1024) GENERATED ALWAYS AS (ifnull(`a`,default(`a`))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('any value',default);
select * from t1;
a b
any value any value
drop table t1;
set sql_warnings = 0;
# DES_ENCRYPT(), DES_DECRYPT()
create table t1 (a varchar(1024), b varchar(1024) generated always as (des_encrypt(des_decrypt(a,'adf'),'adf')) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (des_encrypt(des_decrypt(`a`,'adf'),'adf')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('MySQL',default);
select * from t1;
a b
MySQL ÿw2¥ð
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drop table t1;
# INET_ATON(), INET_NTOA()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (inet_ntoa(inet_aton(a))) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (inet_ntoa(inet_aton(`a`))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('127.0.0.1',default);
select * from t1;
a b
127.0.0.1 127.0.0.1
drop table t1;
set sql_warnings = 0;
# MD5()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varbinary(32) generated always as (md5(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varbinary(32) GENERATED ALWAYS AS (md5(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('testing',default);
select * from t1;
a b
testing ae2b1fca515949e5d54fb22b8ed95575
drop table t1;
set sql_warnings = 0;
# PASSWORD()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (password(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (password(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('badpwd',default);
Warnings:
Warning 1681 'PASSWORD' is deprecated and will be removed in a future release.
select * from t1;
a b
Warning 1681 'PASSWORD' is deprecated and will be removed in a future release.
Warnings:
badpwd *AAB3E285149C0135D51A520E1940DD3263DC008C
drop table t1;
set sql_warnings = 0;
# SHA1()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (sha1(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (sha(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('abc',default);
select * from t1;
a b
abc a9993e364706816aba3e25717850c26c9cd0d89d
drop table t1;
set sql_warnings = 0;
# SHA()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (sha(a)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (sha(`a`)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('abc',default);
select * from t1;
a b
abc a9993e364706816aba3e25717850c26c9cd0d89d
drop table t1;
set sql_warnings = 0;
# SHA2()
set sql_warnings = 1;
create table t1 (a varchar(1024), b varchar(1024) generated always as (sha2(a,224)) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(1024) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (sha2(`a`,224)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('abc',default);
select * from t1;
a b
abc 23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7
drop table t1;
set sql_warnings = 0;
# UNCOMPRESSED_LENGTH()
set sql_warnings = 1;
create table t1 (a char, b varchar(1024) generated always as (uncompressed_length(compress(repeat(a,30)))) virtual);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(1) DEFAULT NULL,
`b` varchar(1024) GENERATED ALWAYS AS (uncompressed_length(compress(repeat(`a`,30)))) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a',default);
select * from t1;
a b
a 30
drop table t1;
set sql_warnings = 0;
DROP VIEW IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2,t3;
DROP PROCEDURE IF EXISTS p1;
DROP FUNCTION IF EXISTS f1;
DROP TRIGGER IF EXISTS trg1;
DROP TRIGGER IF EXISTS trg2;
set sql_warnings = 0;