#
# This tests various issues when vcol items allocate memory (e.g. more items)
# not in the TABLE::expr_arena.
#

#
# MDEV-9690 concurrent queries with virtual columns crash in temporal code
#
create table t1 (a datetime,
  # get_datetime_value
  b int as (a > 1),                             # Arg_comparator
  c int as (a in (1,2,3)),                      # in_datetime
  d int as ((a,a) in ((1,1),(2,1),(NULL,1))),   # cmp_item_datetime
  # other issues
  e int as ((a,1) in ((1,1),(2,1),(NULL,1)))    # cmp_item_row::alloc_comparators()
);
enable_prepare_warnings;
show create table t1;
disable_prepare_warnings;
connect con1, localhost, root;
disable_warnings;
insert t1 (a) values ('2010-10-10 10:10:10');
enable_warnings;
select * from t1;
disconnect con1;
connection default;
disable_warnings;
select * from t1;
enable_warnings;
drop table t1;

connect con1, localhost, root;
create table t1 (a datetime,
  b datetime as (least(a,1))                    # Item_func_min_max::get_date
);
insert t1 (a) values ('2010-10-10 10:10:10');
select * from t1;
disconnect con1;
connection default;
select * from t1;
drop table t1;

#
# MDEV-13435 Crash when selecting virtual columns generated using JSON functions
#
create table t1 (
  id int  not null ,
  js varchar(1000) not null,
  t time AS (cast(json_value(json_extract(js,concat('$.singleDay."', dayname(curdate()),'"')),'$.start') as time)) virtual);
insert  into t1(id,js) values (0, '{"default" : {"start": "00:00:00", "end":"23:59:50"}}');
select * from t1;
drop table t1;