diff options
Diffstat (limited to 'mysql-test/suite/period/r/overlaps.result')
| -rw-r--r-- | mysql-test/suite/period/r/overlaps.result | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/mysql-test/suite/period/r/overlaps.result b/mysql-test/suite/period/r/overlaps.result new file mode 100644 index 00000000..78b1ac18 --- /dev/null +++ b/mysql-test/suite/period/r/overlaps.result @@ -0,0 +1,451 @@ +create or replace table t(id int, s date, e date, +period for p(s,e), +primary key(id, p without overlaps) +) partition by key (id); +show create table t; +Table Create Table +t CREATE TABLE `t` ( + `id` int(11) NOT NULL, + `s` date NOT NULL, + `e` date NOT NULL, + PERIOD FOR `p` (`s`, `e`), + PRIMARY KEY (`id`,`p` WITHOUT OVERLAPS) +) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci + PARTITION BY KEY (`id`) +insert into t values (1, '2003-01-01', '2003-03-01'), +(1, '2003-05-01', '2003-07-01'); +insert into t values (1, '2003-02-01', '2003-04-01'); +ERROR 23000: Duplicate entry '1-2003-04-01-2003-02-01' for key 'PRIMARY' +insert into t values (1, '2003-04-01', '2003-06-01'); +ERROR 23000: Duplicate entry '1-2003-06-01-2003-04-01' for key 'PRIMARY' +insert into t values (1, '2003-05-15', '2003-06-15'); +ERROR 23000: Duplicate entry '1-2003-06-15-2003-05-15' for key 'PRIMARY' +insert into t values (1, '2003-04-01', '2003-08-01'); +ERROR 23000: Duplicate entry '1-2003-08-01-2003-04-01' for key 'PRIMARY' +insert into t values (1, '2003-03-01', '2003-05-01'); +# expand/shrink period +update t set s= '2002-12-01' where s = '2003-01-01'; +update t set s= '2003-01-01' where s = '2002-12-01'; +update t set e= '2003-08-01' where s = '2003-05-01'; +update t set e= '2003-07-01' where s = '2003-05-01'; +# move left/right +update t set s= '2002-12-15', e= '2003-01-15' where s = '2003-01-01'; +update t set s= '2003-01-01', e= '2003-02-01' where s = '2002-12-15'; +# diminish/enlarge +update t set s= '2003-01-10', e= '2003-01-20' where s = '2003-01-01'; +update t set s= '2003-01-01', e= '2003-02-01' where s = '2003-01-10'; +select * from t; +id s e +1 2003-01-01 2003-02-01 +1 2003-03-01 2003-05-01 +1 2003-05-01 2003-07-01 +# intersect left/right, strict inclusion/containment +update t set e= '2003-04-01' where s = '2003-01-01'; +ERROR 23000: Duplicate entry '1-2003-04-01-2003-01-01' for key 'PRIMARY' +update t set s= '2003-04-01' where s = '2003-05-01'; +ERROR 23000: Duplicate entry '1-2003-07-01-2003-04-01' for key 'PRIMARY' +update t set s= '2003-03-10', e= '2003-03-20' where s = '2003-01-01'; +ERROR 23000: Duplicate entry '1-2003-03-20-2003-03-10' for key 'PRIMARY' +update t set s= '2003-04-01', e= '2003-08-01' where s = '2003-03-01'; +ERROR 23000: Duplicate entry '1-2003-08-01-2003-04-01' for key 'PRIMARY' +# inclusion/containment with partial match +update t set s= '2003-03-01', e= '2003-04-01' where s = '2003-01-01'; +ERROR 23000: Duplicate entry '1-2003-04-01-2003-03-01' for key 'PRIMARY' +update t set s= '2003-04-01', e= '2003-05-01' where s = '2003-01-01'; +ERROR 23000: Duplicate entry '1-2003-05-01-2003-04-01' for key 'PRIMARY' +update t set s= '2003-03-01' where s = '2003-05-01'; +ERROR 23000: Duplicate entry '1-2003-07-01-2003-03-01' for key 'PRIMARY' +update t set e= '2003-05-01' where s = '2003-01-01'; +ERROR 23000: Duplicate entry '1-2003-05-01-2003-01-01' for key 'PRIMARY' +select * from t where year(s) = 2003; +id s e +1 2003-01-01 2003-02-01 +1 2003-03-01 2003-05-01 +1 2003-05-01 2003-07-01 +# UPDATE ... FOR PORTION test +insert t values (2, '2003-04-15', '2003-05-01'); +update t for portion of p from '2003-01-01' to '2003-01-15' + set id= 2; +select * from t; +id s e +1 2003-01-15 2003-02-01 +1 2003-03-01 2003-05-01 +1 2003-05-01 2003-07-01 +2 2003-01-01 2003-01-15 +2 2003-04-15 2003-05-01 +update t for portion of p from '2003-01-15' to '2003-02-01' + set id= 2; +select * from t; +id s e +1 2003-03-01 2003-05-01 +1 2003-05-01 2003-07-01 +2 2003-01-01 2003-01-15 +2 2003-01-15 2003-02-01 +2 2003-04-15 2003-05-01 +# Next, test UPDATE ... FOR PORTION resulting with an error +# Since MyISAM/Aria engines lack atomicity, the results would differ with +# innodb. So a table is going to be copied to one with explicit engine. +create table t_myisam (id int, s date, e date, +period for p(s,e), +primary key(id, p without overlaps)) +engine=myisam +select * from t; +update t_myisam for portion of p from '2003-04-01' to '2003-06-01' + set id= 2 order by s desc; +ERROR 23000: Duplicate entry '2-2003-05-01-2003-04-01' for key 'PRIMARY' +select * from t_myisam; +id s e +1 2003-03-01 2003-05-01 +1 2003-06-01 2003-07-01 +2 2003-01-01 2003-01-15 +2 2003-01-15 2003-02-01 +2 2003-04-15 2003-05-01 +2 2003-05-01 2003-06-01 +create table t_innodb (id int, s date, e date, +period for p(s,e), +primary key(id, p without overlaps)) +engine=innodb +select * from t; +update t_innodb for portion of p from '2003-04-01' to '2003-06-01' + set id= 2 order by s desc; +ERROR 23000: Duplicate entry '2-2003-05-01-2003-04-01' for key 'PRIMARY' +select * from t_innodb; +id s e +1 2003-03-01 2003-05-01 +1 2003-05-01 2003-07-01 +2 2003-01-01 2003-01-15 +2 2003-01-15 2003-02-01 +2 2003-04-15 2003-05-01 +drop table t_myisam, t_innodb; +create or replace table t(id int, s date, e date, +period for p(s,e), +primary key(id, q without overlaps)); +ERROR HY000: Period `q` is not found in table +create or replace table t(id int, s date, e date, +primary key(id, p without overlaps)); +ERROR HY000: Period `p` is not found in table +create or replace table t(id int, s date, e date, +period for p(s,e), +primary key(id, s, p without overlaps)); +ERROR HY000: Key `PRIMARY` cannot explicitly include column `s` +create or replace table t(id int, s date, e date, +period for p(s,e), +primary key(id)); +insert into t values (1, '2003-03-01', '2003-05-01'); +insert into t values (1, '2003-04-01', '2003-05-01'); +ERROR 23000: Duplicate entry '1' for key 'PRIMARY' +create or replace table t(id int, u int, s date, e date, +period for p(s,e), +primary key(id, p without overlaps), +unique(u)); +show create table t; +Table Create Table +t CREATE TABLE `t` ( + `id` int(11) NOT NULL, + `u` int(11) DEFAULT NULL, + `s` date NOT NULL, + `e` date NOT NULL, + PERIOD FOR `p` (`s`, `e`), + PRIMARY KEY (`id`,`p` WITHOUT OVERLAPS), + UNIQUE KEY `u` (`u`) +) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci +insert into t values (1, 1, '2003-03-01', '2003-05-01'); +insert into t values (1, 2, '2003-05-01', '2003-07-01'); +insert into t values (1, 3, '2003-04-01', '2003-05-01'); +ERROR 23000: Duplicate entry '1-2003-05-01-2003-04-01' for key 'PRIMARY' +create or replace table t(id int, u int, s date, e date, +period for p(s,e), +primary key(id, p without overlaps), +unique(u, p without overlaps)); +show create table t; +Table Create Table +t CREATE TABLE `t` ( + `id` int(11) NOT NULL, + `u` int(11) DEFAULT NULL, + `s` date NOT NULL, + `e` date NOT NULL, + PERIOD FOR `p` (`s`, `e`), + PRIMARY KEY (`id`,`p` WITHOUT OVERLAPS), + UNIQUE KEY `u` (`u`,`p` WITHOUT OVERLAPS) +) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci +insert into t values (2, NULL, '2003-03-01', '2003-05-01'); +insert into t values (2, NULL, '2003-03-01', '2003-05-01'); +ERROR 23000: Duplicate entry '2-2003-05-01-2003-03-01' for key 'PRIMARY' +insert into t values (3, NULL, '2003-03-01', '2003-05-01'); +insert into t values (1, 1, '2003-03-01', '2003-05-01'); +insert into t values (1, 2, '2003-05-01', '2003-07-01'); +insert into t values (4, NULL, '2003-03-01', '2003-05-01'); +create sequence seq start=5 engine=myisam; +update t set id= nextval(seq), u= nextval(seq), s='2003-05-01', e='2003-07-01' + where u is NULL; +select * from t; +id u s e +1 1 2003-03-01 2003-05-01 +1 2 2003-05-01 2003-07-01 +5 6 2003-05-01 2003-07-01 +7 8 2003-05-01 2003-07-01 +9 10 2003-05-01 2003-07-01 +drop sequence seq; +create or replace table t(id int, s date, e date, +period for p(s,e)); +insert into t values (1, '2003-01-01', '2003-03-01'), +(1, '2003-05-01', '2003-07-01'), +(1, '2003-02-01', '2003-04-01'); +alter table t add primary key(id, p without overlaps); +ERROR 23000: Duplicate entry '1-2003-04-01-2003-02-01' for key 'PRIMARY' +# Historical rows are not checked against constraints +set @@system_versioning_alter_history= keep; +alter table t add system versioning; +delete from t; +alter table t add primary key(id, p without overlaps); +insert into t values (1, '2003-01-01', '2003-03-01'), +(1, '2003-03-01', '2003-05-01'); +# `without overlaps` is not lost on alter table +alter table t add y int; +show create table t; +Table Create Table +t CREATE TABLE `t` ( + `id` int(11) NOT NULL, + `s` date NOT NULL, + `e` date NOT NULL, + `y` int(11) DEFAULT NULL, + PERIOD FOR `p` (`s`, `e`), + PRIMARY KEY (`id`,`p` WITHOUT OVERLAPS) +) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING +alter table t drop y; +create or replace table t1 like t; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `id` int(11) NOT NULL, + `s` date NOT NULL, + `e` date NOT NULL, + PERIOD FOR `p` (`s`, `e`), + PRIMARY KEY (`id`,`p` WITHOUT OVERLAPS) +) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING +create or replace table t1 (x int, s date, e date, +period for p(s,e), +primary key(x, p without overlaps)); +alter table t1 partition by key (x); +create or replace table t1 (x int, s date, e date, period for p (s, e)) +partition by hash (x); +alter table t1 add primary key (x, p without overlaps); +create or replace table t2 (x int, s date, e date, +period for p (s, e), +key(x, p without overlaps)); +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'without overlaps))' at line 3 +create or replace table t2 (x int, s date, e date, +period for p (s, e), +unique(x, p without overlaps, x, p without overlaps)); +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' x, p without overlaps))' at line 3 +create or replace table t1 (x varchar(100), s date, e date, +period for p(s,e), +primary key(x, p without overlaps)); +create or replace table t1 (x varchar(100) compressed, s date, e date, +period for p(s,e), +primary key(x, p without overlaps)); +ERROR HY000: Compressed column 'x' can't be used in key specification +create or replace table t (x int, s date, e date, period for apptime(s,e), +unique(x, apptime without overlaps) using hash); +ERROR HY000: Key `x` cannot have WITHOUT OVERLAPS +create or replace table t (x int, s date, e date, period for apptime(s,e), +b blob, unique(x, b, apptime without overlaps)); +ERROR HY000: Key `x` cannot have WITHOUT OVERLAPS +create or replace table t (x int, s date, e date, b blob unique, +period for apptime(s,e), +unique(x, apptime without overlaps)); +insert into t values (1, '2020-03-01', '2020-03-05', 'test'); +insert into t values (1, '2020-03-05', '2020-03-10', 'test'); +ERROR 23000: Duplicate entry 'test' for key 'b' +insert into t values (1, '2020-03-05', '2020-03-10', 'test2'); +insert into t values (1, '2020-03-03', '2020-03-10', 'test3'); +ERROR 23000: Duplicate entry '1-2020-03-10-2020-03-03' for key 'x' +create or replace table t (x int, s date, e date, period for apptime(s,e), +unique(x, apptime without overlaps)); +replace into t values (1, '2020-03-03', '2020-03-10'); +ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS' +insert into t values (1, '2020-03-03', '2020-03-10') +on duplicate key update x = 2; +ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS' +select * from t; +x s e +select * into outfile 'tmp_t.txt' from t; +load data infile 'tmp_t.txt' into table t; +load data infile 'tmp_t.txt' replace into table t; +ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS' +insert into t values (1, '2020-03-01', '2020-03-05'); +select * into outfile 'tmp_t.txt' from t; +load data infile 'tmp_t.txt' into table t; +ERROR 23000: Duplicate entry '1-2020-03-05-2020-03-01' for key 'x' +load data infile 'tmp_t.txt' ignore into table t; +Warnings: +Warning 1062 Duplicate entry '1-2020-03-05-2020-03-01' for key 'x' +load data infile 'tmp_t.txt' replace into table t; +ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS' +# MDEV-22599 WITHOUT OVERLAPS does not work with prefix indexes +create or replace table t1 (a varchar(6), s timestamp, e timestamp, +period for p(s,e), +unique(a(3), p without overlaps)); +insert into t1 values ('foo', '2012-01-01', '2015-12-31'); +insert into t1 values ('foobar', '2013-01-01', '2014-01-01'); +ERROR 23000: Duplicate entry 'foo-2014-01-01 00:00:00-2013-01-01 00:00:00' for key 'a' +insert into t1 values ('bar', '2012-01-01', '2015-12-31'), +('baz', '2013-01-01', '2014-01-01'); +select * from t1; +a s e +foo 2012-01-01 00:00:00 2015-12-31 00:00:00 +bar 2012-01-01 00:00:00 2015-12-31 00:00:00 +baz 2013-01-01 00:00:00 2014-01-01 00:00:00 +# MDEV-22753 Server crashes in handler::ha_check_overlaps or error 190 +# "Incompatible key or row definition" upon INSERT into versioned +# partitioned table with WITHOUT OVERLAPS +create or replace table t1 (f int, s date, e date, period for p(s,e), +unique(f, p without overlaps) +) engine=innodb with system versioning +partition by system_time limit 1000 +(partition p1 history, partition pn current); +alter table t1 add partition (partition p2 history); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `f` int(11) DEFAULT NULL, + `s` date NOT NULL, + `e` date NOT NULL, + PERIOD FOR `p` (`s`, `e`), + UNIQUE KEY `f` (`f`,`p` WITHOUT OVERLAPS) +) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING + PARTITION BY SYSTEM_TIME LIMIT 1000 +(PARTITION `p1` HISTORY ENGINE = InnoDB, + PARTITION `p2` HISTORY ENGINE = InnoDB, + PARTITION `pn` CURRENT ENGINE = InnoDB) +insert into t1 values (1,'2013-01-12','2015-11-04'), +(2,'2016-03-15','2024-11-09'); +# MDEV-22714 Assertion `index->table->is_instant()' failed upon +# multi-update on table with WITHOUT OVERLAPS +create or replace table t (a int); +insert into t values (0),(null),(0); +create or replace table t1 (f int, s date, e date, period for p(s,e), +unique(f, p without overlaps)); +insert into t1 values (0,'2026-02-12','2036-09-16'), +(null,'2025-03-09','2032-12-05'); +update ignore t join t1 set f = a; +# MDEV-22639 Assertion `inited != NONE' failed in +# handler::ha_check_overlaps upon multi-table update +create or replace table t (f int, s date, e date, period for p(s,e), +unique(f, p without overlaps)) engine=myisam; +insert into t values (1,'1988-08-25','2024-03-06'); +create or replace table t1 (a int) engine=myisam; +insert into t1 values (1),(2); +update t join t1 set s = '2020-01-01'; +# MDEV-22608 ASAN use-after-poison in TABLE::check_period_overlaps +create or replace table t1 (s date, e date, b bit, period for p(s,e), +unique(b, p without overlaps)) engine=myisam; +insert into t1 values ('2024-12-21','2034-06-29',0), +('2024-12-21','2034-06-29',1); +update t1 set b = 1; +ERROR 23000: Duplicate entry '\x01-2034-06-29-2024-12-21' for key 'b' +# MDEV-22677 Server crashes in ha_partition::open upon update on +# partitioned HEAP table with WITHOUT OVERLAPS +create or replace table t (id int, s date, e date, period for p(s,e), +primary key(id, p without overlaps) +) engine=heap partition by hash(id); +update t set id = 1; +drop table t, t1; +# +# MDEV-30415 PERIOD false positive overlap wtih utf8mb4_unicode_nopad_ci +# +CREATE TABLE t1 ( +datetime_column_name_1 DATETIME(6) NOT NULL, +datetime_column_name_2 DATETIME(6) NOT NULL, +text_column_name TEXT COLLATE utf8mb4_unicode_nopad_ci NOT NULL, +PERIOD FOR period_name (datetime_column_name_1, datetime_column_name_2), +UNIQUE KEY index_name (text_column_name(191),period_name WITHOUT OVERLAPS) +) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_nopad_ci; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, text_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '); +TRUNCATE TABLE t1; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, text_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'); +DROP TABLE t1; +CREATE TABLE `t1` ( +datetime_column_name_1 DATETIME(6) NOT NULL, +datetime_column_name_2 DATETIME(6) NOT NULL, +text_column_name TEXT COLLATE utf8mb4_unicode_nopad_ci NOT NULL, +PERIOD FOR period_name (datetime_column_name_1, datetime_column_name_2), +UNIQUE KEY index_name (text_column_name(191),period_name WITHOUT OVERLAPS) +) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_nopad_ci; +INSERT INTO t1 VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'def '), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'def'); +TRUNCATE TABLE t1; +INSERT INTO t1 VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'def'), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'def '), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'def '); +SELECT *, LENGTH(text_column_name) FROM t1; +datetime_column_name_1 datetime_column_name_2 text_column_name LENGTH(text_column_name) +2000-01-01 00:00:00.000000 2001-01-01 00:00:00.000000 def 3 +2000-01-01 00:00:00.000000 2001-01-01 00:00:00.000000 def 4 +2000-01-01 00:00:00.000000 2001-01-01 00:00:00.000000 def 5 +DROP TABLE t1; +CREATE TABLE t1 ( +datetime_column_name_1 DATETIME(6) NOT NULL, +datetime_column_name_2 DATETIME(6) NOT NULL, +text_column_name TEXT COLLATE utf8mb4_unicode_nopad_ci NOT NULL, +PERIOD FOR period_name (datetime_column_name_1, datetime_column_name_2), +UNIQUE KEY index_name (text_column_name(3),period_name WITHOUT OVERLAPS) +) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_nopad_ci; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, text_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '); +ERROR 23000: Duplicate entry 'abc-2001-01-01 00:00:00.000000-2000-01-01 00:00:00.000000' for key 'index_name' +TRUNCATE TABLE t1; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, text_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'); +ERROR 23000: Duplicate entry 'abc-2001-01-01 00:00:00.000000-2000-01-01 00:00:00.000000' for key 'index_name' +DROP TABLE t1; +CREATE TABLE t1 ( +datetime_column_name_1 DATETIME(6) NOT NULL, +datetime_column_name_2 DATETIME(6) NOT NULL, +char_column_name CHAR(255) COLLATE utf8mb4_unicode_nopad_ci NOT NULL, +PERIOD FOR period_name (datetime_column_name_1, datetime_column_name_2), +UNIQUE KEY index_name (char_column_name(191),period_name WITHOUT OVERLAPS) +) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_nopad_ci; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, char_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '); +ERROR 23000: Duplicate entry 'abc-2001-01-01 00:00:00.000000-2000-01-01 00:00:00.000000' for key 'index_name' +TRUNCATE TABLE t1; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, char_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'); +ERROR 23000: Duplicate entry 'abc-2001-01-01 00:00:00.000000-2000-01-01 00:00:00.000000' for key 'index_name' +DROP TABLE t1; +CREATE TABLE t1 ( +datetime_column_name_1 DATETIME(6) NOT NULL, +datetime_column_name_2 DATETIME(6) NOT NULL, +char_column_name CHAR(255) COLLATE utf8mb4_unicode_nopad_ci NOT NULL, +PERIOD FOR period_name (datetime_column_name_1, datetime_column_name_2), +UNIQUE KEY index_name (char_column_name(3),period_name WITHOUT OVERLAPS) +) DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_nopad_ci; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, char_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '); +ERROR 23000: Duplicate entry 'abc-2001-01-01 00:00:00.000000-2000-01-01 00:00:00.000000' for key 'index_name' +TRUNCATE TABLE t1; +INSERT INTO t1 (datetime_column_name_1, datetime_column_name_2, char_column_name) +VALUES +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc '), +('2000-01-01 00:00:00.000000', '2001-01-01 00:00:00.000000', 'abc'); +ERROR 23000: Duplicate entry 'abc-2001-01-01 00:00:00.000000-2000-01-01 00:00:00.000000' for key 'index_name' +DROP TABLE t1; |