FLUSH STATUS;
create table t1(abc int primary key, xyz int invisible);
SHOW STATUS LIKE 'Feature_invisible_columns';
desc t1;
show create table t1;
select TABLE_CATALOG,TABLE_SCHEMA,TABLE_NAME,COLUMN_NAME,EXTRA from INFORMATION_SCHEMA.COLUMNS where TABLE_SCHEMA='test' and TABLE_NAME='t1';
drop table t1;
--error ER_TABLE_MUST_HAVE_COLUMNS
create table t1(a1 int invisible);
--error ER_PARSE_ERROR
create table t1(a1 blob,invisible(a1));
--error ER_INVISIBLE_NOT_NULL_WITHOUT_DEFAULT
create table t1(a1 int primary key invisible ,a2 int unique invisible , a3 blob,a4 int not null invisible unique);
--error ER_TABLE_MUST_HAVE_COLUMNS
create table t1(abc int not null invisible);
--echo MDEV-14849 CREATE + ALTER with user-invisible columns produce invalid table definition
create or replace table t1 (pk int auto_increment primary key invisible, i int);
--error ER_INVISIBLE_NOT_NULL_WITHOUT_DEFAULT
alter table t1 modify pk int invisible;
drop table t1;
create table t1(a int invisible, b int);
#should automatically add null
insert into t1 values(1);
insert into t1(a) values(2);
insert into t1(b) values(3);
insert into t1(a,b) values(5,5);
select * from t1;
select a,b from t1;
delete from t1;
insert into t1 values(1),(2),(3),(4);
select * from t1;
select a from t1;
drop table t1;

--echo #more complex case of invisible
create table t1(a int , b int invisible , c int invisible auto_increment unique, d blob , e int unique, f int);
desc t1;
insert into t1 values(1,'d blob',1,1),(1,'d blob',11,1),(1,'d blob',2,1),(1,'d blob',3,1),(1,'d blob',41,1);
select * from t1;
select a,b,c,d,e,f from t1;
drop table t1;

--echo #more complex case of invisible with sql_mode=NO_AUTO_VALUE_ON_ZERO
set sql_mode='NO_AUTO_VALUE_ON_ZERO';
create table t1(a int , b int invisible , c int invisible auto_increment unique, d blob , e int unique, f int);
desc t1;
insert into t1 values(1,'d blob',1,1),(1,'d blob',11,1),(1,'d blob',2,1),(1,'d blob',3,1),(1,'d blob',41,1);
select * from t1;
select a,b,c,d,e,f from t1;
drop table t1;
set sql_mode='';

--error ER_PARSE_ERROR
create table sdsdsd(a int , b int, invisible(a,b));
create table t1(a int,abc int as (a mod 3) virtual invisible);
desc t1;
--error ER_WRONG_VALUE_COUNT_ON_ROW
insert into t1 values(1,default);
insert into t1 values(1),(22),(233);
select * from t1;
select a,abc from t1;
drop table t1;
create table t1(abc int primary key invisible auto_increment, a int);
desc t1;
show create table t1;
insert into t1 values(1);
insert into t1 values(2);
insert into t1 values(3);
select * from t1;
select abc,a from t1;
delete  from t1;
insert into t1 values(1),(2),(3),(4),(6);
select abc,a from t1;
drop table t1;
create table t1(abc int);
--error ER_TABLE_MUST_HAVE_COLUMNS
alter table t1 change abc ss int invisible;
alter table t1 add column xyz int;
alter table t1 modify column abc  int ;
desc t1;
--error ER_WRONG_VALUE_COUNT_ON_ROW
insert into t1 values(22);
alter table t1 modify column abc  int invisible;
desc t1;
insert into t1 values(12);
drop table t1;
--echo #some test on copy table structure with table data;
--echo #table with invisible fields and unique keys;
create table t1(a int , b int invisible , c int invisible auto_increment unique, d blob , e int unique, f int);
desc t1;
insert into t1 values(1,'d blob',1,1),(1,'d blob',11,1),(1,'d blob',2,1),(1,'d blob',3,1),(1,'d blob',41,1);
select * from t1;
select a,b,c,d,e,f from t1;
--echo #this won't copy invisible fields and keys;
create table t2 as select * from t1;
desc t2;
select * from t2;
--error ER_BAD_FIELD_ERROR
select a,b,c,d,e,f from t2;
drop table t2;
--echo #now this will copy invisible fields
create table t2 as select a,b,c,d,e,f from t1;
desc t2;
select * from t2;
select a,b,c,d,e,f from t2;
drop table t2,t1;
--echo #some test related to copy of data from one table to another;
create table t1(a int , b int invisible , c int invisible auto_increment unique, d blob , e int unique, f int);
insert into t1 values(1,'d blob',1,1),(1,'d blob',11,1),(1,'d blob',2,1),(1,'d blob',3,1),(1,'d blob',41,1);
select a,b,c,d,e,f from t1;
create table t2(a int , b int invisible , c int invisible , d blob , e int unique, f int);
insert into t2 select * from t1;
select a,b,c,d,e,f from t2;
truncate t2;
insert into t2 (a,b,c,d,e,f) select a,b,c,d,e,f from t1;
select a,b,c,d,e,f from t2;
truncate t2;
drop table t1,t2;
--echo #some test related to creating view on table with invisible column;
create table t1(a int , b int invisible , c int invisible auto_increment unique, d blob , e int unique, f int);
insert into t1 values(1,'d blob',1,1),(1,'d blob',11,1),(1,'d blob',2,1),(1,'d blob',3,1),(1,'d blob',41,1);
create view v as select * from t1;
desc v;
select * from v;
--echo #v does not have invisible column;
--error ER_BAD_FIELD_ERROR
select a,b,c,d,e,f from v;
insert into v values(1,21,32,4);
select * from v;
--error ER_BAD_FIELD_ERROR
insert into v(a,b,c,d,e,f) values(1,12,3,4,5,6);
drop view v;
create view v as select a,b,c,d,e,f from t1;
desc v;
select * from v;
--echo #v does  have invisible column but they aren't invisible anymore.
select a,b,c,d,e,f from v;
insert into v values(1,26,33,4,45,66);
select a,b,c,d,e,f from v;
insert into v(a,b,c,d,e,f) values(1,32,31,41,5,6);
select a,b,c,d,e,f from v;
drop view v;
drop table t1;
--echo #now invisible column in where and some join query
create table t1 (a int unique , b int invisible unique, c int unique  invisible);
insert into t1(a,b,c) values(1,1,1);
insert into t1(a,b,c) values(2,2,2);
insert into t1(a,b,c) values(3,3,3);
insert into t1(a,b,c) values(4,4,4);
insert into t1(a,b,c) values(21,21,26);
insert into t1(a,b,c) values(31,31,35);
insert into t1(a,b,c) values(41,41,45);
insert into t1(a,b,c) values(22,22,24);
insert into t1(a,b,c) values(32,32,33);
insert into t1(a,b,c) values(42,42,43);
explain select * from t1 where b=3;
select * from t1 where b=3;
explain select * from t1 where c=3;
select * from t1 where c=3;
create table t2 as select a,b,c from t1;
desc t2;
explain select * from t1,t2 where t1.b = t2.c and t1.c = t2.b;
select * from t1,t2 where t1.b = t2.c and t1.c = t2.b;
drop table t1,t2;
--echo #Unhide  invisible columns
create table t1 (a int primary key, b int invisible, c int invisible unique);
show create table t1;
desc t1;
alter table t1 modify column b int;
desc t1;
alter table t1 change column c d int;
desc t1;
drop table t1;
SHOW STATUS LIKE 'Feature_invisible_columns';
--echo #invisible is non reserved
create table t1(a int unique , invisible int invisible, c int );
desc t1;
alter table t1 change column invisible hid int invisible;
desc t1;
drop table t1;
##Internal temp table
CREATE TABLE t1 (b int);
INSERT t1 values(1);
INSERT t1 values(2);
INSERT t1 values(3);
INSERT t1 values(4);
INSERT t1 values(5);
CREATE TABLE t2 (a int invisible) SELECT * FROM t1;
select * from t2 order by b;
select a,b from t2 order by b;
CREATE TABLE t3 (b int, a int invisible) SELECT * FROM t1;
select * from t3 order by b;
select a,b from t3 order by b;
--error ER_TABLE_MUST_HAVE_COLUMNS
CREATE TABLE t4 (b int invisible) SELECT * FROM t1;
--error ER_TABLE_MUST_HAVE_COLUMNS
CREATE TABLE t5 (a int invisible) SELECT b as a FROM t1;
drop table t1,t2,t3;

create table t1 (a int , b int invisible default 3, c int , d int invisible default 6);
DELIMITER //;
CREATE PROCEDURE
insert_t1(a int, b int)
MODIFIES SQL DATA
insert into t1 values(a,b);
//
DELIMITER ;//
call insert_t1(1,1);
call insert_t1(2,2);
select * from t1 order by a;
select a,b,c,d from t1 order by a;
DROP PROCEDURE insert_t1;
delete from t1;
prepare insert_1 from "insert into t1 values(@a,@c)";
prepare insert_2 from "insert into t1(a,b,c) values(@a,@b,@c)";
set @a=1, @c=1;
execute insert_1;
set @a=2,@b=2, @c=2;
execute insert_2;
select a,b,c,d from t1 order by a;
drop table t1;
#MDEV-15085 Non constant default getting Null values
create table t1(a int default 5 invisible, b int);
create table t2(a int default (b+11) invisible, b int);
insert into t1 values(1);
select a,b from t1;
insert into t2 values(1);
select a,b from t2;
drop table t1,t2;

#
# natural join and using
#
create table t1 (a int invisible, b int, c int);
create table t2 (a int, b int, d int);
insert t1 (a,b,c) values (0,2,3), (10, 20, 30);
insert t2 (a,b,d) values (1,2,4), (10, 30, 40);
select * from t1 join t2 using (a);
select * from t1 natural join t2;
drop table t1, t2;