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0381921e26
MDEV-33308 CHECK TABLE is modifying .frm file even if --read-only As noted in commitd0ef1aaf61
, MySQL as well as older versions of MariaDB server would during ALTER TABLE ... IMPORT TABLESPACE write bogus values to the PAGE_MAX_TRX_ID field to pages of the clustered index, instead of letting that field remain 0. In commit8777458a6e
this field was repurposed for PAGE_ROOT_AUTO_INC in the clustered index root page. To avoid trouble when upgrading from MySQL or older versions of MariaDB, we will try to detect and correct bogus values of PAGE_ROOT_AUTO_INC when opening a table for the first time from the SQL layer. btr_read_autoinc_with_fallback(): Add the parameters to mysql_version,max to indicate the TABLE_SHARE::mysql_version of the .frm file and the maximum value allowed for the type of the AUTO_INCREMENT column. In case the table was originally created in MySQL or an older version of MariaDB, read also the maximum value of the AUTO_INCREMENT column from the table and reset the PAGE_ROOT_AUTO_INC if it is above the limit. dict_table_t::get_index(const dict_col_t &) const: Find an index that starts with the specified column. ha_innobase::check_for_upgrade(): Return HA_ADMIN_FAILED if InnoDB needs upgrading but is in read-only mode. In this way, the call to update_frm_version() will be skipped. row_import_autoinc(): Adjust the AUTO_INCREMENT column at the end of ALTER TABLE...IMPORT TABLESPACE. This refinement was suggested by Debarun Banerjee. The changes outside InnoDB were developed by Michael 'Monty' Widenius: Added print_check_msg() service for easy reporting of check/repair messages in ENGINE=Aria and ENGINE=InnoDB. Fixed that CHECK TABLE do not update the .frm file under --read-only. Added 'handler_flags' to HA_CHECK_OPT as a way for storage engines to store state from handler::check_for_upgrade(). Reviewed by: Debarun Banerjee
232 lines
8.5 KiB
Text
232 lines
8.5 KiB
Text
CREATE TABLE t1 (id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB;
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INSERT INTO t1 VALUES(42);
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CREATE TABLE t1b LIKE t1;
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INSERT INTO t1b VALUES(3);
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CREATE TABLE t1z LIKE t1;
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CREATE TABLE t1t (id TINYINT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB;
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CREATE TABLE t0t LIKE t1t;
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INSERT INTO t1t VALUES(123);
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FLUSH TABLES t1,t1b,t1t FOR EXPORT;
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UNLOCK TABLES;
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CREATE TABLE t5_7 LIKE t1;
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CREATE TABLE t5_7b LIKE t1b;
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CREATE TABLE t10_1 LIKE t1;
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CREATE TABLE t10_1b LIKE t1b;
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ALTER TABLE t1 DISCARD TABLESPACE;
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ALTER TABLE t1b DISCARD TABLESPACE;
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ALTER TABLE t1z DISCARD TABLESPACE;
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ALTER TABLE t1t DISCARD TABLESPACE;
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ALTER TABLE t0t DISCARD TABLESPACE;
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ALTER TABLE t5_7 DISCARD TABLESPACE;
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ALTER TABLE t5_7b DISCARD TABLESPACE;
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ALTER TABLE t10_1 DISCARD TABLESPACE;
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ALTER TABLE t10_1b DISCARD TABLESPACE;
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FLUSH TABLES;
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ALTER TABLE t0t IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t0t.cfg', will attempt to import without schema verification
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INSERT INTO t0t VALUES(NULL);
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SELECT * FROM t0t;
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id
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123
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124
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DROP TABLE t0t;
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ALTER TABLE t1 IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t1.cfg', will attempt to import without schema verification
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ALTER TABLE t1b IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t1b.cfg', will attempt to import without schema verification
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ALTER TABLE t1z IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t1z.cfg', will attempt to import without schema verification
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ALTER TABLE t1t IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t1t.cfg', will attempt to import without schema verification
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ALTER TABLE t5_7 IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t5_7.cfg', will attempt to import without schema verification
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ALTER TABLE t5_7b IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t5_7b.cfg', will attempt to import without schema verification
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ALTER TABLE t10_1 IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t10_1.cfg', will attempt to import without schema verification
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ALTER TABLE t10_1b IMPORT TABLESPACE;
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Warnings:
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Warning 1810 IO Read error: (2, No such file or directory) Error opening './test/t10_1b.cfg', will attempt to import without schema verification
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FOUND 1 /InnoDB: Resetting PAGE_ROOT_AUTO_INC from 128 to 123 on table `test`\.`t0t`/ in mysqld.1.err
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FOUND 1 /InnoDB: Resetting PAGE_ROOT_AUTO_INC from 0 to 42 on table `test`\.`t1z`/ in mysqld.1.err
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FOUND 1 /InnoDB: Resetting PAGE_ROOT_AUTO_INC from 128 to 123 on table `test`\.`t1t`/ in mysqld.1.err
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FOUND 1 /InnoDB: Resetting PAGE_ROOT_AUTO_INC from 3 to 42 on table `test`\.`t5_7` \(created with version 50744\)/ in mysqld.1.err
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FOUND 1 /InnoDB: Resetting PAGE_ROOT_AUTO_INC from 3 to 42 on table `test`\.`t10_1` \(created with version 100149\)/ in mysqld.1.err
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FOUND 5 /InnoDB: Resetting PAGE_ROOT_AUTO_INC/ in mysqld.1.err
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# restart: --read-only
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7 check status OK
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test.t5_7b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7b check status OK
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test.t10_1 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1 check status OK
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test.t10_1b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1b check status OK
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b FOR UPGRADE;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7 check status OK
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test.t5_7b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7b check status OK
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test.t10_1 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1 check status OK
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test.t10_1b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1b check status OK
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# restart: --innodb-read-only --read-only
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7 check status OK
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test.t5_7b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7b check status OK
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test.t10_1 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1 check status OK
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test.t10_1b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1b check status OK
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b FOR UPGRADE;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7 check status OK
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test.t5_7b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t5_7b check status OK
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test.t10_1 check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1 check status OK
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test.t10_1b check note Auto_increment will be checked on each open until CHECK TABLE FOR UPGRADE is executed
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test.t10_1b check status OK
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# restart: --innodb-read-only
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check status Operation failed
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test.t5_7b check status Operation failed
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test.t10_1 check status Operation failed
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test.t10_1b check status Operation failed
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b FOR UPGRADE;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check status Operation failed
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test.t5_7b check status Operation failed
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test.t10_1 check status Operation failed
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test.t10_1b check status Operation failed
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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1
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SELECT COUNT(*) FROM t1b;
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COUNT(*)
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1
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SELECT COUNT(*) FROM t1t;
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COUNT(*)
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1
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SELECT COUNT(*) FROM t1z;
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COUNT(*)
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1
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SELECT COUNT(*) FROM t5_7;
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COUNT(*)
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1
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SELECT COUNT(*) FROM t5_7b;
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COUNT(*)
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1
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SELECT COUNT(*) FROM t10_1;
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COUNT(*)
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1
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SELECT COUNT(*) FROM t10_1b;
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COUNT(*)
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1
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# restart
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b FOR UPGRADE;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check note Auto_increment checked and .frm file version updated
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test.t5_7 check status OK
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test.t5_7b check note Auto_increment checked and .frm file version updated
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test.t5_7b check status OK
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test.t10_1 check note Auto_increment checked and .frm file version updated
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test.t10_1 check status OK
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test.t10_1b check note Auto_increment checked and .frm file version updated
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test.t10_1b check status OK
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INSERT INTO t1 VALUES(NULL);
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INSERT INTO t1b VALUES(NULL);
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INSERT INTO t1t VALUES(NULL);
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INSERT INTO t1z VALUES(NULL);
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INSERT INTO t5_7 VALUES(NULL);
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INSERT INTO t5_7b VALUES(NULL);
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INSERT INTO t10_1 VALUES(NULL);
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INSERT INTO t10_1b VALUES(NULL);
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CHECK TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b FOR UPGRADE;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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test.t1b check status OK
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test.t1t check status OK
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test.t1z check status OK
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test.t5_7 check status OK
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test.t5_7b check status OK
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test.t10_1 check status OK
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test.t10_1b check status OK
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SELECT * FROM t1;
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id
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4
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42
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SELECT * FROM t1b;
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id
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3
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347
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SELECT * FROM t1t;
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id
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123
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124
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SELECT * FROM t1z;
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id
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42
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43
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SELECT * FROM t5_7;
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id
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42
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43
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SELECT * FROM t5_7b;
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id
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3
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347
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SELECT * FROM t10_1;
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id
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42
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43
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SELECT * FROM t10_1b;
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id
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3
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347
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DROP TABLE t1, t1b, t1t, t1z, t5_7, t5_7b, t10_1, t10_1b;
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