mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
476 lines
16 KiB
Text
476 lines
16 KiB
Text
SET @@session.default_storage_engine = 'MyISAM';
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# - UNIQUE KEY
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# - INDEX
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# - FULLTEXT INDEX
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# - SPATIAL INDEX (not supported)
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# - FOREIGN INDEX (partially supported)
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# - CHECK (allowed but not used)
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# UNIQUE
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create table t1 (a int, b int as (a*2) unique);
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drop table t1;
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create table t1 (a int, b int as (a*2) persistent unique);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) GENERATED ALWAYS AS (`a` * 2) STORED,
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UNIQUE KEY `b` (`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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describe t1;
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Field Type Null Key Default Extra
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a int(11) YES NULL
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b int(11) YES UNI NULL STORED GENERATED
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drop table t1;
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create table t1 (a int, b int as (a*2), unique key (b));
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drop table t1;
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create table t1 (a int, b int as (a*2) persistent, unique (b));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) GENERATED ALWAYS AS (`a` * 2) STORED,
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UNIQUE KEY `b` (`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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describe t1;
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Field Type Null Key Default Extra
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a int(11) YES NULL
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b int(11) YES UNI NULL STORED GENERATED
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drop table t1;
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create table t1 (a int, b int as (a*2));
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alter table t1 add unique key (b);
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drop table t1;
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create table t1 (a int, b int as (a*2) persistent);
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alter table t1 add unique key (b);
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drop table t1;
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# Testing data manipulation operations involving UNIQUE keys
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# on virtual columns can be found in:
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# - vcol_ins_upd.inc
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# - vcol_select.inc
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#
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# INDEX
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create table t1 (a int, b int as (a*2), index (b));
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drop table t1;
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create table t1 (a int, b int as (a*2), index (a,b));
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drop table t1;
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create table t1 (a int, b int as (a*2) persistent, index (b));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) GENERATED ALWAYS AS (`a` * 2) STORED,
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KEY `b` (`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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describe t1;
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Field Type Null Key Default Extra
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a int(11) YES NULL
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b int(11) YES MUL NULL STORED GENERATED
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drop table t1;
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create table t1 (a int, b int as (a*2) persistent, index (a,b));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) GENERATED ALWAYS AS (`a` * 2) STORED,
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KEY `a` (`a`,`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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describe t1;
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Field Type Null Key Default Extra
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a int(11) YES MUL NULL
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b int(11) YES NULL STORED GENERATED
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drop table t1;
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create table t1 (a int, b int as (a*2));
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alter table t1 add index (b);
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alter table t1 add index (a,b);
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drop table t1;
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create table t1 (a int, b int as (a*2) persistent);
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alter table t1 add index (b);
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drop table t1;
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create table t1 (a int, b int as (a*2) persistent);
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alter table t1 add index (a,b);
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create table t2 like t1;
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drop table t2;
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drop table t1;
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# Testing data manipulation operations involving INDEX
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# on virtual columns can be found in:
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# - vcol_select.inc
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#
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# TODO: FULLTEXT INDEX
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# SPATIAL INDEX
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# Error "All parts of a SPATIAL index must be NOT NULL"
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create table t1 (a int, b geometry as (a+1) persistent, spatial index (b));
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ERROR 42000: All parts of a SPATIAL index must be NOT NULL
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create table t1 (a int, b int as (a+1) persistent);
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alter table t1 add spatial index (b);
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ERROR HY000: Incorrect arguments to SPATIAL INDEX
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drop table t1;
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# FOREIGN KEY
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# Rejected FK options.
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create table t1 (a int, b int as (a+1) persistent,
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foreign key (b) references t2(a) on update set null);
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ERROR HY000: Cannot define foreign key with ON UPDATE SET NULL clause on a generated column
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create table t1 (a int, b int as (a+1) persistent,
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foreign key (b) references t2(a) on update cascade);
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ERROR HY000: Cannot define foreign key with ON UPDATE CASCADE clause on a generated column
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create table t1 (a int, b int as (a+1) persistent,
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foreign key (b) references t2(a) on delete set null);
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ERROR HY000: Cannot define foreign key with ON DELETE SET NULL clause on a generated column
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create table t1 (a int, b int as (a+1) persistent);
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alter table t1 add foreign key (b) references t2(a) on update set null;
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ERROR HY000: Cannot define foreign key with ON UPDATE SET NULL clause on a generated column
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alter table t1 add foreign key (b) references t2(a) on update cascade;
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ERROR HY000: Cannot define foreign key with ON UPDATE CASCADE clause on a generated column
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alter table t1 add foreign key (b) references t2(a) on delete set null;
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ERROR HY000: Cannot define foreign key with ON DELETE SET NULL clause on a generated column
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drop table t1;
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# Allowed FK options.
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create table t2 (a int primary key, b char(5));
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create table t1 (a int, b int as (a % 10) persistent,
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foreign key (b) references t2(a) on update restrict);
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drop table t1;
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create table t1 (a int, b int as (a % 10) persistent,
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foreign key (b) references t2(a) on update no action);
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drop table t1;
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create table t1 (a int, b int as (a % 10) persistent,
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foreign key (b) references t2(a) on delete restrict);
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drop table t1;
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create table t1 (a int, b int as (a % 10) persistent,
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foreign key (b) references t2(a) on delete cascade);
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drop table t1;
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create table t1 (a int, b int as (a % 10) persistent,
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foreign key (b) references t2(a) on delete no action);
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drop table t1;
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# Testing data manipulation operations involving FOREIGN KEY
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# on virtual columns can be found in:
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# - vcol_ins_upd.inc
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# - vcol_select.inc
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create table t1 (a int, b timestamp as (now()), key (b));
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ERROR HY000: Function or expression 'current_timestamp()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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create table t1 (a int, b timestamp as (now()));
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alter table t1 add index (b);
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ERROR HY000: Function or expression 'current_timestamp()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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drop table t1;
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create table t1 (a int, b varchar(100) as (user()), key (b));
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ERROR HY000: Function or expression 'user()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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create table t1 (a int, b varchar(100) as (user()));
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alter table t1 add index (b);
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ERROR HY000: Function or expression 'user()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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drop table t1;
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create table t1 (a int, b double as (rand()), key (b));
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ERROR HY000: Function or expression 'rand()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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create table t1 (a int, b double as (rand()));
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alter table t1 add index (b);
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ERROR HY000: Function or expression 'rand()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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drop table t1;
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CREATE OR REPLACE TABLE t1 (
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f2 DOUBLE NOT NULL DEFAULT '0',
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f3 DOUBLE NOT NULL DEFAULT '0',
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f4 DOUBLE,
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f5 DOUBLE DEFAULT '0',
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v4 DOUBLE AS (IF(f4,f3,f2)) VIRTUAL,
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KEY (f5),
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KEY (v4)
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);
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INSERT INTO t1 (f2,f3,f4,f5) VALUES (5,4,1,0),(5,7,NULL,0);
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INSERT INTO t1 (f2,f3,f4,f5) SELECT f2, f3, f5, f3 FROM t1;
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INSERT INTO t1 (f2,f3,f4,f5) VALUES (5,0,NULL,1);
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INSERT INTO t1 (f2,f3,f4,f5) SELECT f2, f5, f5, f3 FROM t1;
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DELETE FROM t1 WHERE f5 = 1 OR v4 = 4 ORDER BY f5,v4 LIMIT 9;
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SELECT * from t1;
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f2 f3 f4 f5 v4
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5 7 NULL 0 5
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5 4 0 4 5
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5 7 0 7 5
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5 0 0 4 5
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5 0 0 7 5
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5 7 7 7 7
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5 1 1 0 1
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DROP TABLE t1;
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CREATE TABLE t1 (
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d DECIMAL(63,0) NOT NULL DEFAULT 0,
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c VARCHAR(64) NOT NULL DEFAULT '',
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vd DECIMAL(63,0) AS (d) VIRTUAL,
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vc VARCHAR(2048) AS (c) VIRTUAL,
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pk BIGINT AUTO_INCREMENT,
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PRIMARY KEY(pk));
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INSERT INTO t1 (d,c) VALUES (0.5,'foo');
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Warnings:
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Note 1265 Data truncated for column 'd' at row 1
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SELECT * FROM t1 WHERE vc != 'bar' ORDER BY vd;
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d c vd vc pk
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1 foo 1 foo 1
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DROP TABLE t1;
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CREATE TABLE t1 (
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pk BIGINT,
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c CHAR(64) NOT NULL DEFAULT '',
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vc CHAR(64) AS (c) VIRTUAL,
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PRIMARY KEY(pk),
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INDEX(vc(32))
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);
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DELETE FROM t1 WHERE vc IS NULL ORDER BY pk;
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DROP TABLE t1;
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SET sql_mode='';
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CREATE TABLE t1 (a INT GENERATED ALWAYS AS (1) VIRTUAL,KEY(a)) ENGINE=MyISAM;
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INSERT INTO t1 SELECT 1 FROM seq_1_to_2 ;
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Warnings:
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Warning 1906 The value specified for generated column 'a' in table 't1' has been ignored
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Warning 1906 The value specified for generated column 'a' in table 't1' has been ignored
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SELECT * FROM t1;
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a
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1
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1
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DROP TABLE t1;
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CREATE TABLE t1 (a INT GENERATED ALWAYS AS (1) VIRTUAL,KEY(a)) ENGINE=MyISAM;
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INSERT INTO t1 SELECT 1 UNION SELECT 1;
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Warnings:
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Warning 1906 The value specified for generated column 'a' in table 't1' has been ignored
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SELECT * FROM t1;
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a
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1
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DROP TABLE t1;
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#
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# Original test
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#
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create table t1 (a int, b int as (a+1), c int, index(b));
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insert t1 (a,c) values (0x7890abcd, 0x76543210);
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insert t1 (a,c) select seq, sin(seq)*10000 from seq_1_to_1000;
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explain select * from t1 where b=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref b b 5 const 1
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select * from t1 where b=10;
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a b c
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9 10 4121
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MyISAM file: datadir/test/t1
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Record format: Fixed length
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Character set: ? (0)
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Data records: 1001 Deleted blocks: 0
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Recordlength: 9
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table description:
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Key Start Len Index Type
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1 10 4 multip. long NULL
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update t1 set a=20 where b=10;
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select * from t1 where b=10;
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a b c
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select * from t1 where b=21;
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a b c
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20 21 4121
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20 21 9129
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delete from t1 where b=21;
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select * from t1 where b=21;
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a b c
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alter table t1 add column d char(20) as (concat(a,c));
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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create index i on t1 (d);
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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check table t1 quick;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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check table t1 medium;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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check table t1 extended;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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show keys from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored
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t1 1 b 1 b A 999 NULL NULL YES BTREE NO
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t1 1 i 1 d A 999 NULL NULL YES BTREE NO
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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delete from t1 where b=12;
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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show keys from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored
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t1 1 b 1 b A 998 NULL NULL YES BTREE NO
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t1 1 i 1 d A 998 NULL NULL YES BTREE NO
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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optimize table t1;
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Table Op Msg_type Msg_text
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test.t1 optimize status OK
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show keys from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored
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t1 1 b 1 b A 998 NULL NULL YES BTREE NO
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t1 1 i 1 d A 998 NULL NULL YES BTREE NO
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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repair table t1;
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Table Op Msg_type Msg_text
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test.t1 repair status OK
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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repair table t1 quick;
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Table Op Msg_type Msg_text
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test.t1 repair status OK
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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repair table t1 extended;
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Table Op Msg_type Msg_text
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test.t1 repair status OK
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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repair table t1 use_frm;
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Table Op Msg_type Msg_text
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test.t1 repair warning Number of rows changed from 0 to 998
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test.t1 repair status OK
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select * from t1 where b=11;
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a b c d
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10 11 -5440 10-5440
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update t1 set a=30 where b=11;
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select * from t1 where b=11;
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a b c d
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select * from t1 where b=31;
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a b c d
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30 31 -5440 30-5440
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30 31 -9880 30-9880
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drop table t1;
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#
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# MDEV-11606 Server crashes in mi_make_key / sort_key_read
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#
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CREATE TABLE t1 (
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pk BIGINT AUTO_INCREMENT,
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col_date DATE NULL,
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col_datetime DATETIME(1) NULL,
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col_int TINYINT(13) UNSIGNED ZEROFILL NULL,
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col_varchar VARBINARY(2222) NULL,
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col_timestamp TIMESTAMP(2) NULL,
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col_bit BIT(64) NOT NULL DEFAULT 0,
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col_blob MEDIUMBLOB NULL,
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col_dec DECIMAL(10,9) ZEROFILL NOT NULL DEFAULT 0,
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col_time TIME(4) NULL,
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col_year YEAR NOT NULL DEFAULT '1970',
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col_char CHAR(129) NULL,
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col_enum SET('','a','b','c','d','e','f','foo','bar') NULL,
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vcol_dec DECIMAL(50,18) ZEROFILL AS (col_dec) VIRTUAL,
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vcol_bit BIT(48) AS (col_bit) VIRTUAL,
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vcol_char CHAR(224) AS (col_char) VIRTUAL,
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vcol_datetime DATETIME(4) AS (col_datetime) VIRTUAL,
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vcol_year YEAR AS (col_year) VIRTUAL,
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vcol_varchar VARBINARY(356) AS (col_varchar) VIRTUAL,
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vcol_blob MEDIUMBLOB AS (col_blob) VIRTUAL,
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vcol_timestamp TIMESTAMP(5) AS (col_timestamp) VIRTUAL,
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vcol_int BIGINT(46) AS (col_int) VIRTUAL,
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vcol_time TIME(1) AS (col_time) VIRTUAL,
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vcol_date DATE AS (col_date) VIRTUAL,
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vcol_enum SET('','a','b','c','d','e','f','foo','bar') AS (col_enum) VIRTUAL,
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UNIQUE(pk),
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PRIMARY KEY(pk)
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) ENGINE=MyISAM;
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SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
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ALTER TABLE t1 ADD INDEX(col_enum,vcol_int);
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SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
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ALTER TABLE t1 ADD INDEX(col_year);
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DROP TABLE t1;
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create table t1 (
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pk int primary key auto_increment,
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b bit default null,
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key(b)
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) engine=myisam;
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insert into t1 values (null, 0);
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repair table t1 extended;
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Table Op Msg_type Msg_text
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test.t1 repair status OK
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drop table t1;
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create table t1 ( id int primary key,
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hexid varchar(10) generated always as (hex(id)) stored,
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key (hexid)) engine=myisam;
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insert into t1 (id) select 100;
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select * from t1;
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id hexid
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100 64
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drop table t1;
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#
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# MDEV-15881 Assertion `is_valid_value_slow()' failed in Datetime::Datetime or corrupt data after ALTER with indexed persistent column
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#
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CREATE TABLE t1 (i INT, d1 DATE, d2 DATE NOT NULL, t TIMESTAMP, KEY(t)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1,'2023-03-16','2023-03-15','2012-12-12 12:12:12');
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ALTER TABLE t1 MODIFY t FLOAT AS (i) PERSISTENT;
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SELECT i, d1, d2 INTO OUTFILE 'load_t1' FROM t1;
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DELETE FROM t1;
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LOAD DATA INFILE 'load_t1' INTO TABLE t1 (i,d1,d2);
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SELECT * FROM t1 WHERE d2 < d1;
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i d1 d2 t
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1 2023-03-16 2023-03-15 1
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DROP TABLE t1;
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CREATE TABLE t1 (
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i INT DEFAULT NULL,
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d1 DATE DEFAULT NULL,
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d2 DATE NOT NULL,
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t FLOAT GENERATED ALWAYS AS (i) STORED,
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KEY (t)
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) ENGINE=MyISAM;
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LOAD DATA INFILE 'load_t1' INTO TABLE t1 (i,d1,d2);
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SELECT * FROM t1 WHERE d2 < d1;
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i d1 d2 t
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1 2023-03-16 2023-03-15 1
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DROP TABLE t1;
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#
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# MDEV-20015 Assertion `!in_use->is_error()' failed in TABLE::update_virtual_field
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#
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create or replace table t1 (a int);
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insert into t1 (a) values (1), (1);
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create or replace table t2 (pk int, b int, c int as (b) virtual, primary key (pk), key(c));
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insert into t2 (pk) select a from t1;
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ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
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drop tables t1, t2;
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#
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# MDEV-23294 Segfault or assertion upon MyISAM repair
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#
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set @old_mode= @@sql_mode;
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set @old_myisam_repair_threads= @@myisam_repair_threads;
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set sql_mode='', myisam_repair_threads=2;
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create table t (a binary,b blob,c blob as (concat (a,b)),h char,index (c)) engine=innodb;
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Warnings:
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Warning 1286 Unknown storage engine 'innodb'
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Warning 1266 Using storage engine MyISAM for table 't'
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Note 1071 Specified key was too long; max key length is 1000 bytes
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insert into t values (0,0,default,0);
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create table ti like t;
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alter table ti engine=myisam;
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insert into ti select * from t;
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Warnings:
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Warning 1906 The value specified for generated column 'c' in table 'ti' has been ignored
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drop tables ti, t;
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create table t (id int,a varchar(1),b varchar(1),c varchar(1) generated always as (concat (a,b)),key(c)) engine=myisam;
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insert into t values (0,0,9687,0);
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Warnings:
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Warning 1265 Data truncated for column 'b' at row 1
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Warning 1906 The value specified for generated column 'c' in table 't' has been ignored
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Warning 1265 Data truncated for column 'c' at row 1
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repair table t quick;
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Table Op Msg_type Msg_text
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test.t repair status OK
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drop table t;
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create table t1 (b varchar(1024), c char(3), unique(b,c)) engine=myisam;
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insert into t1 values ('foo','baz');
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alter table t1 disable keys;
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set session myisam_repair_threads= 2;
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insert into t1 select 'qux';
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ERROR 21S01: Column count doesn't match value count at row 1
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drop table t1;
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set sql_mode= @old_mode;
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set myisam_repair_threads= @old_myisam_repair_threads;
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