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https://github.com/MariaDB/server.git
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382 lines
11 KiB
Text
382 lines
11 KiB
Text
drop table if exists t1,t2;
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create table t1 (a int, b int, v int as (a+1), index idx(b));
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insert into t1(a, b) values
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(4, 40), (3, 30), (5, 50), (7, 70), (8, 80), (2, 20), (1, 10);
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select * from t1 order by b;
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a b v
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1 10 2
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2 20 3
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3 30 4
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4 40 5
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5 50 6
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7 70 8
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8 80 9
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delete from t1 where v > 6 order by b limit 1;
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select * from t1 order by b;
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a b v
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1 10 2
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2 20 3
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3 30 4
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4 40 5
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5 50 6
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8 80 9
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update t1 set a=v order by b limit 1;
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select * from t1 order by b;
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a b v
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2 10 3
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2 20 3
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3 30 4
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4 40 5
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5 50 6
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8 80 9
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drop table t1;
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CREATE TABLE t1 (
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a int NOT NULL DEFAULT '0',
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v double AS ((1, a)) VIRTUAL
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);
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ERROR 21000: Operand should contain 1 column(s)
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CREATE TABLE t1 (
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a CHAR(255) BINARY NOT NULL DEFAULT 0,
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b CHAR(255) BINARY NOT NULL DEFAULT 0,
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v CHAR(255) BINARY AS (CONCAT(a,b)) VIRTUAL );
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INSERT INTO t1(a,b) VALUES ('4','7'), ('4','6');
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SELECT 1 AS C FROM t1 ORDER BY v;
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C
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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, b int DEFAULT 0, v INT AS (b+10) PERSISTENT);
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INSERT INTO t1(a) VALUES (1);
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SELECT b, v FROM t1;
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b v
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0 10
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DROP TABLE t1;
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CREATE TABLE t1(a int DEFAULT 100, v int AS (a+1) PERSISTENT);
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INSERT INTO t1 () VALUES ();
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CREATE TABLE t2(a int DEFAULT 100 , v int AS (a+1));
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INSERT INTO t2 () VALUES ();
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SELECT a, v FROM t1;
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a v
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100 101
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SELECT a, v FROM t2;
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a v
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100 101
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DROP TABLE t1,t2;
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CREATE TABLE t1 (
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a datetime NOT NULL DEFAULT '2000-01-01',
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v boolean AS (a < '2001-01-01')
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);
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INSERT INTO t1(a) VALUES ('2002-02-15');
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INSERT INTO t1(a) VALUES ('2000-10-15');
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SELECT a, v FROM t1;
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a v
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2002-02-15 00:00:00 0
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2000-10-15 00:00:00 1
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SELECT a, v FROM t1;
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a v
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2002-02-15 00:00:00 0
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2000-10-15 00:00:00 1
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CREATE TABLE t2 (
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a datetime NOT NULL DEFAULT '2000-01-01',
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v boolean AS (a < '2001-01-01') PERSISTENT
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);
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INSERT INTO t2(a) VALUES ('2002-02-15');
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INSERT INTO t2(a) VALUES ('2000-10-15');
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SELECT * FROM t2;
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a v
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2002-02-15 00:00:00 0
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2000-10-15 00:00:00 1
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DROP TABLE t1, t2;
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CREATE TABLE t1 (
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a char(255), b char(255), c char(255), d char(255),
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v char(255) AS (CONCAT(c,d) ) VIRTUAL
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);
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INSERT INTO t1(a,b,c,d) VALUES ('w','x','y','z'), ('W','X','Y','Z');
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SELECT v FROM t1 ORDER BY CONCAT(a,b);
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v
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yz
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YZ
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DROP TABLE t1;
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CREATE TABLE t1 (f1 INTEGER, v1 INTEGER AS (f1) VIRTUAL);
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CREATE TABLE t2 AS SELECT v1 FROM t1;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`v1` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t1,t2;
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CREATE TABLE t1 (p int, a double NOT NULL, v double AS (ROUND(a,p)) VIRTUAL);
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INSERT IGNORE INTO t1 VALUES (0,1,0);
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Warnings:
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Warning 1906 The value specified for generated column 'v' in table 't1' ignored
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INSERT IGNORE INTO t1 VALUES (NULL,0,0);
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Warnings:
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Warning 1906 The value specified for generated column 'v' in table 't1' ignored
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SELECT a, p, v, ROUND(a,p), ROUND(a,p+NULL) FROM t1;
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a p v ROUND(a,p) ROUND(a,p+NULL)
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1 0 1 1 NULL
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0 NULL NULL NULL NULL
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DROP TABLE t1;
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CREATE TABLE t1 (p int, a double NOT NULL);
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INSERT INTO t1(p,a) VALUES (0,1);
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INSERT INTO t1(p,a) VALUES (NULL,0);
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SELECT a, p, ROUND(a,p), ROUND(a,p+NULL) FROM t1;
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a p ROUND(a,p) ROUND(a,p+NULL)
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1 0 1 NULL
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0 NULL NULL NULL
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DROP TABLE t1;
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CREATE TABLE t1 (a char(32), v char(32) CHARACTER SET ucs2 AS (a) VIRTUAL);
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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` char(32) DEFAULT NULL,
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`v` char(32) CHARACTER SET ucs2 GENERATED ALWAYS AS (`a`) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t1;
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CREATE TABLE t1 (a int, b int);
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CREATE TABLE t2 (a int, b int as (a+1) VIRTUAL);
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SELECT table_schema, table_name, column_name, column_type, extra
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FROM information_schema.columns WHERE table_name = 't1';
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table_schema table_name column_name column_type extra
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test t1 a int(11)
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test t1 b int(11)
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SELECT table_schema, table_name, column_name, column_type, extra
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FROM information_schema.columns WHERE table_name = 't2';
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table_schema table_name column_name column_type extra
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test t2 a int(11)
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test t2 b int(11) VIRTUAL GENERATED
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DROP TABLE t1,t2;
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create table t1 (
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a int not null, b char(2) not null,
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c enum('Y','N') as (case when b = 'aa' then 'Y' else 'N' end) persistent
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);
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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) NOT NULL,
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`b` char(2) NOT NULL,
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`c` enum('Y','N') GENERATED ALWAYS AS (case when `b` = 'aa' then 'Y' else 'N' end) STORED
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t1(a,b) values (1,'bb'), (2,'aa'), (3,'cc');
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select * from t1;
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a b c
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1 bb N
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2 aa Y
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3 cc N
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create table t2 (
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a int, b int,
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c set("y","n")
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as (if(a=0,if(b=0,('n,n'),('n,y')),if(b=0,('y,n'),('y,y')))) persistent
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);
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` set('y','n') GENERATED ALWAYS AS (if(`a` = 0,if(`b` = 0,'n,n','n,y'),if(`b` = 0,'y,n','y,y'))) STORED
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t2(a,b) values (7,0), (2,3), (0,1);
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select * from t2;
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a b c
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7 0 y,n
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2 3 y
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0 1 y,n
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drop table t1,t2;
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CREATE TABLE t1 (
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ts TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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tsv TIMESTAMP AS (ADDDATE(ts, INTERVAL 1 DAY)) VIRTUAL
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) ENGINE=MyISAM;
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INSERT INTO t1 (tsv) VALUES (DEFAULT);
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INSERT DELAYED INTO t1 (tsv) VALUES (DEFAULT);
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FLUSH TABLES;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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2
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DROP TABLE t1;
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#
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# MDEV-4823 Server crashes in Item_func_not::fix_fields on
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# creating a table with a virtual column using NOT
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#
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CREATE TABLE t1 ( f1 INT, v4 INT AS ( NOT f1 ) VIRTUAL );
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drop table t1;
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# end of 5.2 tests
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create table t1 (a int, b int);
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insert into t1 values (3, 30), (4, 20), (1, 20);
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create table t2 (c int, d int, v int as (d+1), index idx(c));
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insert into t2(c,d) values
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(20, 100), (20, 300), (30, 100), (30, 200), (40, 500),
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(70, 100), (40, 300), (60, 100), (40, 100), (70, 100);
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insert into t2(c,d) values
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(120, 100), (150, 300), (130, 100), (130, 200), (140, 500),
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(170, 100), (180, 300), (160, 100), (40, 100), (170, 100);
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set join_cache_level=6;
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explain
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select * from t1,t2 where t1.b=t2.c and d <= 100;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
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1 SIMPLE t2 ref idx idx 5 test.t1.b 2 Using where
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select * from t1,t2 where t1.b=t2.c and d <= 100;
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a b c d v
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3 30 30 100 101
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4 20 20 100 101
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1 20 20 100 101
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set join_cache_level=default;
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drop table t1, t2;
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create table t1 (a bigint, b bigint as (a > '2'));
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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` bigint(20) DEFAULT NULL,
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`b` bigint(20) GENERATED ALWAYS AS (`a` > '2') VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t1 (a) values (1),(3);
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select * from t1;
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a b
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1 0
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3 1
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select * from t1;
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a b
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1 0
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3 1
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drop table t1;
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create table t1 (a bigint, b bigint as (a between 0 and 2));
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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` bigint(20) DEFAULT NULL,
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`b` bigint(20) GENERATED ALWAYS AS (`a` between 0 and 2) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t1 (a) values (1),(3);
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select * from t1;
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a b
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1 1
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3 0
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select * from t1;
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a b
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1 1
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3 0
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drop table t1;
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create table t1 (a char(10), b char(10) as (a between 0 and 2));
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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` char(10) DEFAULT NULL,
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`b` char(10) GENERATED ALWAYS AS (`a` between 0 and 2) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t1 (a) values (1),(3);
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select * from t1;
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a b
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1 1
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3 0
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select * from t1;
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a b
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1 1
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3 0
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drop table t1;
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CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` varchar(32) DEFAULT NULL,
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`c` int(11) AS (a MOD 10) VIRTUAL,
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`d` varchar(5) AS (LEFT(b,5)) PERSISTENT
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) ENGINE=MyISAM;
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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) NOT NULL,
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`b` varchar(32) DEFAULT NULL,
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`c` int(11) GENERATED ALWAYS AS (`a` % 10) VIRTUAL,
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`d` varchar(5) GENERATED ALWAYS AS (left(`b`,5)) STORED
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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show columns from t1;
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Field Type Null Key Default Extra
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a int(11) NO NULL
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b varchar(32) YES NULL
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c int(11) YES NULL VIRTUAL GENERATED
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d varchar(5) YES NULL STORED GENERATED
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show full columns from t1;
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Field Type Collation Null Key Default Extra Privileges Comment
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a int(11) NULL NO NULL #
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b varchar(32) latin1_swedish_ci YES NULL #
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c int(11) NULL YES NULL VIRTUAL GENERATED #
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d varchar(5) latin1_swedish_ci YES NULL STORED GENERATED #
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INSERT INTO `test`.`t1`(`a`,`b`,`c`,`d`) VALUES ( '1','a',NULL,NULL);
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UPDATE IGNORE `test`.`t1` SET `d`='b' WHERE `a`='1' AND `b`='a' AND `c`='1' AND `d`='a';
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Warnings:
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Warning 1906 The value specified for generated column 'd' in table 't1' ignored
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INSERT IGNORE INTO `test`.`t1`(`a`,`b`,`c`,`d`) VALUES ( '1','a',NULL,'a');
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Warnings:
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Warning 1906 The value specified for generated column 'd' in table 't1' ignored
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set sql_mode='strict_all_tables';
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UPDATE `test`.`t1` SET `d`='b' WHERE `a`='1' AND `b`='a' AND `c`='1' AND `d`='a';
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ERROR HY000: The value specified for generated column 'd' in table 't1' ignored
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INSERT INTO `test`.`t1`(`a`,`b`,`c`,`d`) VALUES ( '1','a',NULL,'a');
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ERROR HY000: The value specified for generated column 'd' in table 't1' ignored
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drop table t1;
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#
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# MDEV-5611: self-referencing virtual column
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#
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create table t1 (a int, b int as (b is null) virtual);
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ERROR 01000: Expression for field `b` is refering to uninitialized field `b`
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create table t1 (a int as (1+1), b int as (a is null) virtual);
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drop table t1;
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# end of 5.3 tests
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create table t1 (v1 varchar(255) as (c1) persistent, c1 varchar(50)) collate=latin1_general_ci;
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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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`v1` varchar(255) GENERATED ALWAYS AS (`c1`) STORED,
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`c1` varchar(50) COLLATE latin1_general_ci DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci
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drop table t1;
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set sql_mode='no_zero_date';
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create table t1 (
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ts timestamp not null default current_timestamp,
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tsv timestamp as (adddate(ts, interval 1 day)) virtual
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);
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drop table t1;
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set sql_mode=default;
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#
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# Start of 10.1 tests
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#
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#
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# MDEV-8441 Bad SHOW CREATE TABLE output for a table with a virtual column
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#
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CREATE TABLE t1 (a DATETIME, b TIMESTAMP AS (TIMESTAMP(a)));
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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` datetime DEFAULT NULL,
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`b` timestamp GENERATED ALWAYS AS (cast(`a` as datetime)) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t1;
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CREATE TABLE t1 (a DATETIME, b TIMESTAMP AS (TIMESTAMP(a)),c TIMESTAMP);
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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` datetime DEFAULT NULL,
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`b` timestamp GENERATED ALWAYS AS (cast(`a` as datetime)) VIRTUAL,
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`c` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t1;
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#
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# MDEV-8839 COLUMN_GET() produces warnings with no data
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#
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SET @aaa= COLUMN_CREATE('price', _binary 0xF0F1F2F3F4F5F6F7);
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SELECT COLUMN_GET(@aaa, 'price' AS DECIMAL) aaa;
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aaa
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0
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Warnings:
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Warning 1918 Encountered illegal value '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7' when converting to DECIMAL
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SELECT COLUMN_GET(@aaa, 'price' AS INT) aaa;
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aaa
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0
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Warnings:
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Warning 1918 Encountered illegal value '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7' when converting to INT
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SELECT COLUMN_GET(@aaa, 'price' AS DOUBLE) aaa;
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aaa
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0
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Warnings:
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Warning 1918 Encountered illegal value '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7' when converting to DOUBLE
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#
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# End of 10.1 tests
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#
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