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7fb9d64989
Part of MDEV-5336 Implement LOCK FOR BACKUP Originally both table metadata lock and global read lock protection were acquired before getting TABLE from table cache. This will be reordered in a future commit with MDL_BACKUP_XXX locks so that we first take table metadata lock, then get TABLE from table cache, then acquire analogue of global read lock. This patch both simplifies FLUSH TABLES code, makes FLUSH TABLES to lock less and also enables FLUSH TABLES code to be used with backup locks. The usage of FLUSH TABLES changes slightly: - FLUSH TABLES without any arguments will now only close not used tables and tables locked by the FLUSH TABLES connection. All not used table shares will be closed. Tables locked by the FLUSH TABLES connection will be reopened and re-locked after all others has stoped using the table (as before). If there was no locked tables, then FLUSH TABLES is instant and will not cause any waits. FLUSH TABLES will not wait for any in use table. - FLUSH TABLES with a table list, will ensure that the tables are closed before statement returns. The code is now only using MDL locks and not table share versions, which simplices the code greatly. One visible change is that the server will wait for the end of the transaction that are using the tables. Before FLUSH TABLES only waited for the statements to end. Signed-off-by: Monty <monty@mariadb.org>
391 lines
9.9 KiB
Plaintext
391 lines
9.9 KiB
Plaintext
--source include/have_ucs2.inc
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--source include/have_debug.inc
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let $MYSQLD_DATADIR= `select @@datadir`;
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--disable_warnings
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drop table if exists t1,t2;
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--enable_warnings
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#
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# Bug#601164: DELETE/UPDATE with ORDER BY index and LIMIT
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#
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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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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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update t1 set a=v order by b limit 1;
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select * from t1 order by b;
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drop table t1;
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#
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# Bug#604549: Expression for virtual column returns row
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#
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-- error ER_OPERAND_COLUMNS
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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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#
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# Bug#603654: Virtual column in ORDER BY, no other references of table columns
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#
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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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DROP TABLE t1;
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#
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# Bug#603186: Insert into a table with stored vurtual columns
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#
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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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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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SELECT a, v FROM t2;
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DROP TABLE t1,t2;
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#
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# Bug#604503: Virtual column expression with datetime comparison
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#
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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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SELECT a, v FROM t1;
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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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DROP TABLE t1, t2;
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#
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# Bug#607566: Virtual column in the select list of SELECT with ORDER BY
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#
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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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DROP TABLE t1;
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#
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# Bug#607168: CREATE TABLE AS SELECT that returns virtual columns
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#
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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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DROP TABLE t1,t2;
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#
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# Bug#607177: ROUND function in the expression for a virtual function
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#
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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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INSERT IGNORE INTO t1 VALUES (NULL,0,0);
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SELECT a, p, v, ROUND(a,p), ROUND(a,p+NULL) FROM t1;
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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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DROP TABLE t1;
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#
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# Bug#610890: SHOW CREATE TABLE with a virtual column
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#
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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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DROP TABLE t1;
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#
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# Bug#930814: no info in information schema for tables with virtual columns
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#
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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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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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DROP TABLE t1,t2;
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#
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# Bug mdev-354: virtual columns of ENUM and SET types
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#
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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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insert into t1(a,b) values (1,'bb'), (2,'aa'), (3,'cc');
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select * from t1;
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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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insert into t2(a,b) values (7,0), (2,3), (0,1);
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select * from t2;
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drop table t1,t2;
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#
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# Bug mdev-3938: INSERT DELAYED for a table with virtual columns
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#
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SET @old_debug= @@global.debug;
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SET @old_debug= @@global.debug;
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SET GLOBAL debug_dbug= "+d,write_delay_wakeup";
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CREATE TABLE t1 (a int,
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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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--echo # First test FLUSH TABLES
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INSERT INTO t1 (a,tsv) VALUES (1,DEFAULT);
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INSERT DELAYED INTO t1 (a,tsv) VALUES (2,DEFAULT);
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FLUSH TABLES;
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# Count may be 1 or 2, depending on FLUSH happened before or after delayed
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SELECT COUNT(*) > 0 FROM t1;
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--echo # Then test FLUSH TABLES t1;
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INSERT INTO t1 (a,tsv) VALUES (3,DEFAULT);
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INSERT DELAYED INTO t1 (a,tsv) VALUES (4,DEFAULT);
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FLUSH TABLES t1;
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SELECT COUNT(*) FROM t1;
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--echo # Then test FLUSH TABLES WITH READ LOCK;
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INSERT INTO t1 (a,tsv) VALUES (5,DEFAULT);
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INSERT DELAYED INTO t1 (a,tsv) VALUES (6,DEFAULT);
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FLUSH TABLES WITH READ LOCK;
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SELECT COUNT(*) FROM t1;
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set GLOBAL debug_dbug= @old_debug;
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unlock tables;
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DROP TABLE t1;
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--echo #
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--echo # MDEV-4823 Server crashes in Item_func_not::fix_fields on
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--echo # creating a table with a virtual column using NOT
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--echo #
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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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--echo # end of 5.2 tests
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#
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# SELECT that uses a virtual column and executed with BKA
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#
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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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select * from t1,t2 where t1.b=t2.c and d <= 100;
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set join_cache_level=default;
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drop table t1, t2;
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#
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# Test crashes when using convert_const_item()
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#
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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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insert into t1 (a) values (1),(3);
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select * from t1;
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select * from t1;
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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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insert into t1 (a) values (1),(3);
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select * from t1;
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select * from t1;
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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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insert into t1 (a) values (1),(3);
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select * from t1;
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select * from t1;
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drop table t1;
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#
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# Test output of show columns
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#
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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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show columns from t1;
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--replace_column 8 #
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show full columns from t1;
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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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INSERT IGNORE INTO `test`.`t1`(`a`,`b`,`c`,`d`) VALUES ( '1','a',NULL,'a');
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set sql_mode='strict_all_tables';
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--error ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN
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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 ER_WARNING_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN
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INSERT INTO `test`.`t1`(`a`,`b`,`c`,`d`) VALUES ( '1','a',NULL,'a');
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drop table t1;
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--echo #
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--echo # MDEV-5611: self-referencing virtual column
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--echo #
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--error ER_EXPRESSION_REFERS_TO_UNINIT_FIELD
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create table t1 (a int, b int as (b is null) virtual);
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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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--echo # end of 5.3 tests
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#
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# MDEV-7655 SHOW CREATE TABLE returns invalid DDL when using virtual columns along with a table collation
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#
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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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drop table t1;
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#
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# MDEV-11527 Virtual columns do not get along well with NO_ZERO_DATE
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#
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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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--echo #
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--echo # MDEV-11819 NO_ZERO_IN_DATE: Incorrect generated column value
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--echo #
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SET sql_mode='NO_ZERO_IN_DATE';
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CREATE TABLE t1
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(
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a datetime DEFAULT NULL,
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b datetime DEFAULT NULL,
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c time GENERATED ALWAYS AS (timediff(`a`,`b`)) VIRTUAL
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);
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INSERT INTO t1 VALUES ('2008-12-31 23:59:59.000001','2008-12-30 01:01:01.000002',DEFAULT);
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SELECT * FROM t1;
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DROP TABLE t1;
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SET sql_mode=DEFAULT;
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--echo #
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--echo # MDEV-15834 The code in TABLE_SHARE::init_from_binary_frm_image() is not safe
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--echo #
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--copy_file std_data/frm/t1.frm $MYSQLD_DATADIR/test/t1.frm
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SHOW TABLES;
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--replace_result $MYSQLD_DATADIR ./
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--error ER_NOT_FORM_FILE
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SHOW CREATE TABLE t1;
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--replace_result $MYSQLD_DATADIR ./
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--error ER_NOT_FORM_FILE
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ALTER TABLE t1;
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--remove_file $MYSQLD_DATADIR/test/t1.frm
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--echo #
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--echo # End of 5.5 tests
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--echo #
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--echo #
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--echo # End of 10.0 tests
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--echo #
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--echo #
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--echo # MDEV-8441 Bad SHOW CREATE TABLE output for a table with a virtual column
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--echo #
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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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DROP TABLE t1;
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# Make sure that if the first TIMESTAMP column appears to be virtual,
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# then no further promotion is done, so the next TIMESTAMP column "c" does not
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# get the "DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP" attributes.
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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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DROP TABLE t1;
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--echo #
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--echo # MDEV-8839 COLUMN_GET() produces warnings with no data
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--echo #
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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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SELECT COLUMN_GET(@aaa, 'price' AS INT) aaa;
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SELECT COLUMN_GET(@aaa, 'price' AS DOUBLE) aaa;
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--echo #
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--echo # End of 10.1 tests
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--echo #
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