--source include/have_partition.inc

set @s= '1992-01-01';
set @e= '1999-12-31';

create table t (s date, e date);

--echo # period start/end columns are implicit NOT NULL
alter table t add period for a(s, e);
show create table t;

create or replace table t (s date, e date);
alter table t change s s date, add period for a(s, e);
show create table t;

alter table t add id int;
show create table t;
alter table t drop id;
show create table t;

--error ER_CONSTRAINT_FAILED
insert t values(@e, @s);

--error ER_PERIOD_CONSTRAINT_DROP
alter table t drop constraint a;

--echo # no-op
alter table t drop period if exists for b;
--echo # no-op
alter table t add period if not exists for a(e, s);

alter table t drop period if exists for a;
--echo # no-op
alter table t drop period if exists for a;

alter table t add period for a(s, e), add period if not exists for a(e, s);
show create table t;

alter table t drop period for a;
--echo # Constraint is dropped
insert t values(@e, @s);

--error ER_CANT_DROP_FIELD_OR_KEY
alter table t drop period for a;
--error ER_CANT_DROP_FIELD_OR_KEY
alter table t add period for a(s, e), drop period for a;

truncate t;
alter table t add period for a(s, e);
--error ER_CONSTRAINT_FAILED
insert t values(@e, @s);
alter table t add period for a(s, e), drop period for a;
--error ER_CONSTRAINT_FAILED
insert t values(@e, @s);
alter table t add s1 date not null, add period for b(s1, e), drop period for a;
show create table t;
insert t(s, s1, e) values(@e, @s, @e);
--error ER_CONSTRAINT_FAILED
insert t(s, s1, e) values(@e, @e, @s);

create table t1 like t;
show create table t1;
drop table t1;

--error ER_CONSTRAINT_FAILED
create table t2 (period for b(s,e)) select * from t;

create table t2 (period for b(s1,e)) select * from t;
drop table t2;

--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)g)
--echo # The declared type of BC1 shall be either DATE or a timestamp type
--echo # and shall be equivalent to the declared type of BC2.
create or replace table t (s timestamp not null, e timestamp(6) not null);
--error ER_PERIOD_TYPES_MISMATCH
alter table t add period for a(s, e);

--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)c)
--echo # No column of T shall have a column name that is equivalent to ATPN.
create or replace table t (a int, s date, e date);
--error ER_DUP_FIELDNAME
alter table t add period for a(s, e);

--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)i)
--echo # Neither BC1 nor BC2 shall be an identity column, a generated column,
--echo # a system-time period start column, or a system-time period end column.
create or replace table t (id int primary key,
                           s date,
                           e date generated always as (s+1));
--error ER_PERIOD_FIELD_WRONG_ATTRIBUTES
alter table t add period for a(s, e);

create or replace table t (id int primary key,
                           s date,
                           e date as (s+1) VIRTUAL);
--error ER_PERIOD_FIELD_WRONG_ATTRIBUTES
alter table t add period for a(s, e);

create or replace table t (id int primary key, s timestamp(6), e timestamp(6),
                           st timestamp(6) as row start,
                           en timestamp(6) as row end,
                           period for system_time (st, en)) with system versioning;
--error ER_PERIOD_FIELD_WRONG_ATTRIBUTES
alter table t add period for a(s, en);

--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)b)
--echo # The table descriptor of T shall not include a period descriptor other
--echo # than a system-time period descriptor.
alter table t add period for a(s, e);
--error ER_MORE_THAN_ONE_PERIOD
alter table t add period for b(s, e);

--echo # SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)e)v)2)B)
--echo # Let S be the schema identified by the explicit or implicit
--echo # <schema name> of TN. Let IDCN be an implementation-dependent
--echo # <constraint name> that is not equivalent to the <constraint name> of
--echo # any table constraint descriptor included in S. The following
--echo # <table constraint definition> is implicit:
--echo # CONSTRAINT IDCN CHECK ( CN1 < CN2 )
--echo #
--echo # Due to the above standard limitation, the constraint name can't always
--echo # match the period name. So it matches when possible; and when not, it
--echo # is unique not taken name prefixed with period name.
create or replace table t (x int, s date, e date,
                           period for mytime(s, e));
show create table t;
alter table t add constraint mytime check (x > 1);
show create table t;
--error ER_CONSTRAINT_FAILED
insert t values (2, @e, @s);
alter table t add constraint mytime_1 check (x > 2);
--error ER_CONSTRAINT_FAILED
insert t values (3, @e, @s);

drop table t;

--echo #
--echo # MDEV-20494 ER_NOT_FORM_FILE or assertion upon adding partition to period table
--echo #
create table t1 (f date, t date, period for app(f,t)) with system versioning partition by system_time ( partition p1 history, partition pn current );
lock table t1 write;
alter table t1 add partition (partition p2 history);
unlock tables;

create or replace table t1 (x int, s date, e date, period for app(s,e));
insert into t1 values(1, '2020-03-01', '2020-03-02');
insert into t1 values(1, '2020-03-01', '2020-03-02');
--error ER_DUP_ENTRY
alter table t1 add primary key(x, s, e);
alter table t1 add system versioning;

# cleanup
drop table t1;

--echo #
--echo # MDEV-18873 Server crashes in Compare_identifiers::operator or in 
--echo # my_strcasecmp_utf8 upon ADD PERIOD IF NOT EXISTS with empty name
--echo #

# When there is no table defined.
--error ER_WRONG_COLUMN_NAME
alter table t add period if not exists for `` (s,e);

# When there is an actual table.
create table t(s DATE, e DATE);
--error ER_WRONG_COLUMN_NAME
alter table t add period if not exists for `` (s,e);

# When the last character is space
--error ER_WRONG_COLUMN_NAME
alter table t add period if not exists for ` ` (s,e);

# Create table with an empty period name
--error ER_WRONG_COLUMN_NAME
create table t2 (period for `` (s,e)) select * from t;
drop table t;

--echo #
--echo # MDEV-21941 RENAME doesn't work for system time or period fields
--echo #
create or replace table t1 (
  a int, s date, e date,
  period for mytime(s, e));

alter table t1 rename column s to x;
alter table t1 rename column e to y;

show create table t1;
# cleanup
drop table t1;

--echo # End of 10.5 tests