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d270525dfd
- In ha_innobase::prepare_inplace_alter_table(), InnoDB should check whether the table is empty. If the table is empty then server should avoid downgrading the MDL after prepare phase. It is more like instant alter, does change only in dicationary and metadata. - Changed few debug test case to make non-empty DDL table
73 lines
2.4 KiB
Plaintext
73 lines
2.4 KiB
Plaintext
#
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# MDEV-24971 InnoDB access freed virtual column
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# after rollback of secondary index
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#
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CREATE TABLE t1(f1 INT, f2 INT AS (f1 + 2) VIRTUAL)ENGINE=InnoDB;
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INSERT INTO t1(f1) VALUES(1), (1);
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ALTER TABLE t1 ADD UNIQUE INDEX(f2), ALGORITHM=INPLACE, LOCK=EXCLUSIVE;
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ERROR 23000: Duplicate entry '3' for key 'f2'
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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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`f1` int(11) DEFAULT NULL,
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`f2` int(11) GENERATED ALWAYS AS (`f1` + 2) VIRTUAL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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DROP TABLE t1;
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CREATE TABLE t1(f1 INT, f2 INT AS (f1 + 2) VIRTUAL)ENGINE=InnoDB;
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INSERT INTO t1(f1) VALUES(1), (1);
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ALTER TABLE t1 ADD UNIQUE INDEX(f2), ALGORITHM=INPLACE, LOCK=SHARED;
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ERROR 23000: Duplicate entry '3' for key 'f2'
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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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`f1` int(11) DEFAULT NULL,
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`f2` int(11) GENERATED ALWAYS AS (`f1` + 2) VIRTUAL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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DROP TABLE t1;
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CREATE TABLE t1(f1 INT, f2 INT AS (f1) VIRTUAL)ENGINE=InnoDB;
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INSERT INTO t1(f1) VALUES(1);
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SET DEBUG_DBUG="+d,create_index_fail";
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SET DEBUG_SYNC="innodb_inplace_alter_table_enter SIGNAL con1_go WAIT_FOR alter_signal";
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ALTER TABLE t1 ADD COLUMN f3 INT AS (f1) VIRTUAL, ADD INDEX(f2, f3);
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connect con1,localhost,root,,,;
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SET DEBUG_SYNC="now WAIT_FOR con1_go";
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BEGIN;
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SELECT * FROM t1;
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f1 f2
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1 1
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SET DEBUG_SYNC="now SIGNAL alter_signal";
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connection default;
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ERROR 23000: Duplicate entry '' for key '*UNKNOWN*'
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connection con1;
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rollback;
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connection default;
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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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`f1` int(11) DEFAULT NULL,
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`f2` int(11) GENERATED ALWAYS AS (`f1`) VIRTUAL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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DROP TABLE t1;
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CREATE TABLE t1(f1 INT, f2 INT AS (f1) VIRTUAL)ENGINE=InnoDB;
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INSERT INTO t1(f1) VALUES(1);
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SET DEBUG_DBUG="+d,create_index_fail";
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SET DEBUG_SYNC="innodb_inplace_alter_table_enter SIGNAL con1_go WAIT_FOR alter_signal";
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ALTER TABLE t1 ADD INDEX(f2);
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connection con1;
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SET DEBUG_SYNC="now WAIT_FOR con1_go";
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BEGIN;
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INSERT INTO t1(f1) VALUES(1);
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SET DEBUG_SYNC="now SIGNAL alter_signal";
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connection default;
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ERROR 23000: Duplicate entry '' for key '*UNKNOWN*'
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connection con1;
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rollback;
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connection default;
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disconnect con1;
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DROP TABLE t1;
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CREATE TABLE t1(f1 CHAR(100), f2 CHAR(100) as (f1) VIRTUAL)ENGINE=InnoDB;
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ALTER TABLE t1 ADD COLUMN f3 CHAR(100) AS (f2) VIRTUAL, ADD INDEX(f3(10), f1, f3(12));
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ERROR 42S21: Duplicate column name 'f3'
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DROP TABLE t1;
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SET DEBUG_SYNC=RESET;
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