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set @s= '1992-01-01';
set @e= '1999-12-31';
create table t (s date, e date);
# period start/end columns are implicit NOT NULL
alter table t add period for a(s, e);
show create table t;
Table Create Table
t CREATE TABLE `t` (
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `a` (`s`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
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;
Table Create Table
t CREATE TABLE `t` (
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `a` (`s`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t add id int;
show create table t;
Table Create Table
t CREATE TABLE `t` (
`s` date NOT NULL,
`e` date NOT NULL,
`id` int(11) DEFAULT NULL,
PERIOD FOR `a` (`s`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t drop id;
show create table t;
Table Create Table
t CREATE TABLE `t` (
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `a` (`s`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert t values(@e, @s);
ERROR 23000: CONSTRAINT `a` failed for `test`.`t`
alter table t drop constraint a;
ERROR HY000: Can't DROP CONSTRAINT `a`. Use DROP PERIOD `a` for this
# no-op
alter table t drop period if exists for b;
Warnings:
Note 1091 Can't DROP PERIOD `b`; check that it exists
# no-op
alter table t add period if not exists for a(e, s);
Warnings:
Note 1060 Duplicate column name 'a'
alter table t drop period if exists for a;
# no-op
alter table t drop period if exists for a;
Warnings:
Note 1091 Can't DROP PERIOD `a`; check that it exists
alter table t add period for a(s, e), add period if not exists for a(e, s);
show create table t;
Table Create Table
t CREATE TABLE `t` (
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `a` (`s`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t drop period for a;
# Constraint is dropped
insert t values(@e, @s);
alter table t drop period for a;
ERROR 42000: Can't DROP PERIOD `a`; check that it exists
alter table t add period for a(s, e), drop period for a;
ERROR 42000: Can't DROP PERIOD `a`; check that it exists
truncate t;
alter table t add period for a(s, e);
insert t values(@e, @s);
ERROR 23000: CONSTRAINT `a` failed for `test`.`t`
alter table t add period for a(s, e), drop period for a;
insert t values(@e, @s);
ERROR 23000: CONSTRAINT `a` failed for `test`.`t`
alter table t add s1 date not null, add period for b(s1, e), drop period for a;
show create table t;
Table Create Table
t CREATE TABLE `t` (
`s` date NOT NULL,
`e` date NOT NULL,
`s1` date NOT NULL,
PERIOD FOR `b` (`s1`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert t(s, s1, e) values(@e, @s, @e);
insert t(s, s1, e) values(@e, @e, @s);
ERROR 23000: CONSTRAINT `b` failed for `test`.`t`
create table t1 like t;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`s` date NOT NULL,
`e` date NOT NULL,
`s1` date NOT NULL,
PERIOD FOR `b` (`s1`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t2 (period for b(s,e)) select * from t;
ERROR 23000: CONSTRAINT `b` failed for `test`.`t2`
create table t2 (period for b(s1,e)) select * from t;
drop table t2;
# SQL16 11.27 <add table period definition>, Syntax Rules, 5)g)
# The declared type of BC1 shall be either DATE or a timestamp type
# and shall be equivalent to the declared type of BC2.
create or replace table t (s timestamp not null, e timestamp(6) not null);
alter table t add period for a(s, e);
ERROR HY000: Fields of PERIOD FOR `a` have different types
# SQL16 11.27 <add table period definition>, Syntax Rules, 5)c)
# 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);
alter table t add period for a(s, e);
ERROR 42S21: Duplicate column name 'a'
# SQL16 11.27 <add table period definition>, Syntax Rules, 5)i)
# Neither BC1 nor BC2 shall be an identity column, a generated column,
# 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));
alter table t add period for a(s, e);
ERROR HY000: Period field `e` cannot be GENERATED ALWAYS AS
create or replace table t (id int primary key,
s date,
e date as (s+1) VIRTUAL);
alter table t add period for a(s, e);
ERROR HY000: Period field `e` cannot be GENERATED ALWAYS AS
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;
alter table t add period for a(s, en);
ERROR HY000: Period field `en` cannot be GENERATED ALWAYS AS
# SQL16 11.27 <add table period definition>, Syntax Rules, 5)b)
# The table descriptor of T shall not include a period descriptor other
# than a system-time period descriptor.
alter table t add period for a(s, e);
alter table t add period for b(s, e);
ERROR HY000: Cannot specify more than one application-time period
# SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)e)v)2)B)
# Let S be the schema identified by the explicit or implicit
# <schema name> of TN. Let IDCN be an implementation-dependent
# <constraint name> that is not equivalent to the <constraint name> of
# any table constraint descriptor included in S. The following
# <table constraint definition> is implicit:
# CONSTRAINT IDCN CHECK ( CN1 < CN2 )
#
# Due to the above standard limitation, the constraint name can't always
# match the period name. So it matches when possible; and when not, it
# 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;
Table Create Table
t CREATE TABLE `t` (
`x` int(11) DEFAULT NULL,
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `mytime` (`s`, `e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t add constraint mytime check (x > 1);
show create table t;
Table Create Table
t CREATE TABLE `t` (
`x` int(11) DEFAULT NULL,
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `mytime` (`s`, `e`),
CONSTRAINT `mytime` CHECK (`x` > 1)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert t values (2, @e, @s);
ERROR 23000: CONSTRAINT `mytime_1` failed for `test`.`t`
alter table t add constraint mytime_1 check (x > 2);
insert t values (3, @e, @s);
ERROR 23000: CONSTRAINT `mytime_2` failed for `test`.`t`
drop table t;
#
# MDEV-20494 ER_NOT_FORM_FILE or assertion upon adding partition to period table
#
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);
Warnings:
Warning 4115 Maybe missing parameters: no rotation condition for multiple HISTORY partitions.
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');
alter table t1 add primary key(x, s, e);
ERROR 23000: Duplicate entry '1-2020-03-01-2020-03-02' for key 'PRIMARY'
alter table t1 add system versioning;
drop table t1;
#
# MDEV-18873 Server crashes in Compare_identifiers::operator or in
# my_strcasecmp_utf8 upon ADD PERIOD IF NOT EXISTS with empty name
#
alter table t add period if not exists for `` (s,e);
ERROR 42000: Incorrect column name ''
create table t(s DATE, e DATE);
alter table t add period if not exists for `` (s,e);
ERROR 42000: Incorrect column name ''
alter table t add period if not exists for ` ` (s,e);
ERROR 42000: Incorrect column name ' '
create table t2 (period for `` (s,e)) select * from t;
ERROR 42000: Incorrect column name ''
drop table t;
#
# MDEV-21941 RENAME doesn't work for system time or period fields
#
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;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`x` date NOT NULL,
`y` date NOT NULL,
PERIOD FOR `mytime` (`x`, `y`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
# End of 10.5 tests
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