--echo #
--echo # Test of function defaults for any server, including embedded.
--echo #

--echo #
--echo # Function defaults run 1. No microsecond precision.
--echo #
let $current_timestamp=CURRENT_TIMESTAMP;
let $now=NOW();
let $timestamp=TIMESTAMP;
let $datetime=DATETIME;
source 'include/function_defaults.inc';

--echo #
--echo # Function defaults run 2. Six digits scale on seconds precision.
--echo #
let $current_timestamp=CURRENT_TIMESTAMP(6);
let $now=NOW(6);
let $timestamp=TIMESTAMP(6);
let $datetime=DATETIME(6);
source 'include/function_defaults.inc';

#
# MDEV-20403 Assertion `0' or Assertion `btr_validate_index(index, 0)' failed in row_upd_sec_index_entry or error code 126: Index is corrupted upon UPDATE with TIMESTAMP..ON UPDATE
#

# ON UPDATE NOW and indexed virtual columns
create table t1 (t timestamp, i int, v timestamp as (t) virtual, key(v));
insert t1 (t,i) values ('2006-03-01 23:59:59',1);
update t1 set i = 2;
check table t1;
drop table t1;

# ON UPDATE NOW and triggers
create table t1 (t timestamp, i int);
create trigger tr1 before update on t1 for each row set @new:=new.t;
insert t1 (t,i) values ('2006-03-01 23:59:59', 1);
update t1 set i = 2;
select if(@new = t, 'correct', 'wrong') from t1;
drop table t1;

# triggers, virtual columns, multi-update
create table t1 (i int, j int as (i));
create trigger tr1 before update on t1 for each row set @new:=new.j;
insert t1 (i) values (1);
update t1, t1 as t2 set t1.i = 2;
select if(@new = j, 'correct', 'wrong') from t1;
drop table t1;

# SET xxx=DEFAULT
create table t1 (a int, b varchar(20) default 'foo');
insert t1 values (1,'bla'),(2, 'bar');
select * from t1;
update t1 set b=default where a=1;
select * from t1;
drop table t1;

# ON UPDATE NOW and SET xxx=DEFAULT
create table t1 (
  a int,
  b timestamp default '2010-10-10 10:10:10' on update now(),
  c varchar(100) default 'x');
insert t1 (a) values (1),(2);
select * from t1;
set timestamp=unix_timestamp('2011-11-11 11-11-11');
update t1 set b=default, c=default(b) where a=1;
select * from t1;
drop table t1;
set timestamp=default;
